summaryrefslogtreecommitdiff
path: root/test/rubygems/test_gem_specification.rb
blob: 5784fa58af19cb5949619935d87432794156374b (plain)
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require 'benchmark'
require 'rubygems/test_case'
require 'pathname'
require 'stringio'
require 'rubygems/ext'
require 'rubygems/specification'
require 'rubygems/installer'

class TestGemSpecification < Gem::TestCase

  LEGACY_YAML_SPEC = <<-EOF
--- !ruby/object:Gem::Specification
rubygems_version: "1.0"
name: keyedlist
version: !ruby/object:Gem::Version
  version: 0.4.0
date: 2004-03-28 15:37:49.828000 +02:00
platform:
summary: A Hash which automatically computes keys.
require_paths:
  - lib
files:
  - lib/keyedlist.rb
autorequire: keyedlist
author: Florian Gross
email: flgr@ccan.de
has_rdoc: true
  EOF

  LEGACY_RUBY_SPEC = <<-EOF
Gem::Specification.new do |s|
  s.name = %q{keyedlist}
  s.version = %q{0.4.0}
  s.has_rdoc = true
  s.summary = %q{A Hash which automatically computes keys.}
  s.files = [%q{lib/keyedlist.rb}]
  s.require_paths = [%q{lib}]
  s.autorequire = %q{keyedlist}
  s.author = %q{Florian Gross}
  s.email = %q{flgr@ccan.de}
end
  EOF

  def make_spec_c1
    @c1 = util_spec 'a', '1' do |s|
      s.executable = 'exec'
      s.extensions << 'ext/a/extconf.rb'
      s.test_file = 'test/suite.rb'
      s.requirements << 'A working computer'
      s.rubyforge_project = 'example'
      s.license = 'MIT'

      s.add_dependency 'rake', '> 0.4'
      s.add_dependency 'jabber4r', '> 0.0.0'
      s.add_dependency 'pqa', ['> 0.4', '<= 0.6']

      s.mark_version
      s.files = %w[lib/code.rb]
    end
  end

  def ext_spec
    @ext = util_spec 'ext', '1' do |s|
      s.executable = 'exec'
      s.test_file = 'test/suite.rb'
      s.extensions = %w[ext/extconf.rb]
      s.license = 'MIT'

      s.mark_version
      s.files = %w[lib/code.rb]
      s.installed_by_version = v('2.2')
    end
  end

  def setup
    super

    @a1 = util_spec 'a', '1' do |s|
      s.executable = 'exec'
      s.test_file = 'test/suite.rb'
      s.requirements << 'A working computer'
      s.rubyforge_project = 'example'
      s.license = 'MIT'

      s.mark_version
      s.files = %w[lib/code.rb]
    end

    @a2 = util_spec 'a', '2' do |s|
      s.files = %w[lib/code.rb]
    end

    @a3 = util_spec 'a', '3' do |s|
      s.metadata['allowed_push_host'] = "https://privategemserver.com"
    end

    @current_version = Gem::Specification::CURRENT_SPECIFICATION_VERSION

    load 'rubygems/syck_hack.rb'
  end

  def test_self_activate
    foo = util_spec 'foo', '1'

    assert_activate %w[foo-1], foo
  end

  def test_self_activate_ambiguous_direct
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec("b", "1", { "c" => ">= 1" }, "lib/d.rb")
      b2 = new_spec("b", "2", { "c" => ">= 2" }, "lib/d.rb")
      c1 = new_spec "c", "1"
      c2 = new_spec "c", "2"

      Gem::Specification.reset
      install_specs c1, c2, b1, b2, a1

      a1.activate
      assert_equal %w(a-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names

      require "d"

      assert_equal %w(a-1 b-2 c-2), loaded_spec_names
      assert_equal [], unresolved_names
    end
  end

  def test_find_in_unresolved_tree_is_not_exponentiental
    save_loaded_features do
      num_of_pkg = 7
      num_of_version_per_pkg = 3
      packages = (0..num_of_pkg).map do |pkgi|
        (0..num_of_version_per_pkg).map do |pkg_version|
          deps = Hash[((pkgi + 1)..num_of_pkg).map { |deppkgi|
            ["pkg#{deppkgi}", ">= 0"]
          }]
          new_spec "pkg#{pkgi}", pkg_version.to_s, deps
        end
      end
      base = new_spec "pkg_base", "1", {"pkg0" => ">= 0"}

      Gem::Specification.reset
      install_specs(*packages.flatten.reverse)
      install_specs base
      base.activate

      tms = Benchmark.measure {
        assert_raises(LoadError) { require 'no_such_file_foo' }
      }
      assert_operator tms.total, :<=, 10
    end
  end

  def test_self_activate_ambiguous_indirect
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 1"
      b2 = new_spec "b", "2", "c" => ">= 2"
      c1 = new_spec "c", "1", nil, "lib/d.rb"
      c2 = new_spec "c", "2", nil, "lib/d.rb"

      install_specs c1, c2, b1, b2, a1

      a1.activate
      assert_equal %w(a-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names

      require "d"

      assert_equal %w(a-1 b-2 c-2), loaded_spec_names
      assert_equal [], unresolved_names
    end
  end

  def test_self_activate_ambiguous_indirect_conflict
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      a2 = new_spec "a", "2", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 1"
      b2 = new_spec "b", "2", "c" => ">= 2"
      c1 = new_spec "c", "1", nil, "lib/d.rb"
      c2 = new_spec("c", "2", { "a" => "1" }, "lib/d.rb") # conflicts with a-2

      install_specs c1, b1, a1, a2, c2, b2

      a2.activate
      assert_equal %w(a-2), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names

      require "d"

      assert_equal %w(a-2 b-1 c-1), loaded_spec_names
      assert_equal [], unresolved_names
    end
  end

  def test_self_activate_ambiguous_unrelated
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 1"
      b2 = new_spec "b", "2", "c" => ">= 2"
      c1 = new_spec "c", "1"
      c2 = new_spec "c", "2"
      d1 = new_spec "d", "1", nil, "lib/d.rb"

      install_specs d1, c1, c2, b1, b2, a1

      a1.activate
      assert_equal %w(a-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names

      require "d"

      assert_equal %w(a-1 d-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names
    end
  end

  def test_require_should_prefer_latest_gem_level1
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 0" # unresolved
      b2 = new_spec "b", "2", "c" => ">= 0"
      c1 = new_spec "c", "1", nil, "lib/c.rb"  # 1st level
      c2 = new_spec "c", "2", nil, "lib/c.rb"

      install_specs c1, c2, b1, b2, a1

      a1.activate

      require "c"

      assert_equal %w(a-1 b-2 c-2), loaded_spec_names
    end
  end

  def test_require_should_prefer_latest_gem_level2
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 0" # unresolved
      b2 = new_spec "b", "2", "c" => ">= 0"
      c1 = new_spec "c", "1", "d" => ">= 0"  # 1st level
      c2 = new_spec "c", "2", "d" => ">= 0"
      d1 = new_spec "d", "1", nil, "lib/d.rb" # 2nd level
      d2 = new_spec "d", "2", nil, "lib/d.rb"

      install_specs d1, d2, c1, c2, b1, b2, a1

      a1.activate

      require "d"

      assert_equal %w(a-1 b-2 c-2 d-2), loaded_spec_names
    end
  end

  def test_require_finds_in_2nd_level_indirect
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 0" # unresolved
      b2 = new_spec "b", "2", "c" => ">= 0"
      c1 = new_spec "c", "1", "d" => "<= 2" # 1st level
      c2 = new_spec "c", "2", "d" => "<= 2"
      d1 = new_spec "d", "1", nil, "lib/d.rb" # 2nd level
      d2 = new_spec "d", "2", nil, "lib/d.rb"
      d3 = new_spec "d", "3", nil, "lib/d.rb"

      install_specs d1, d2, d3, c1, c2, b1, b2, a1

      a1.activate

      require "d"

      assert_equal %w(a-1 b-2 c-2 d-2), loaded_spec_names
    end
  end

  def test_require_should_prefer_reachable_gems
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 0" # unresolved
      b2 = new_spec "b", "2", "c" => ">= 0"
      c1 = new_spec "c", "1", "d" => "<= 2" # 1st level
      c2 = new_spec "c", "2", "d" => "<= 2"
      d1 = new_spec "d", "1", nil, "lib/d.rb" # 2nd level
      d2 = new_spec "d", "2", nil, "lib/d.rb"
      d3 = new_spec "d", "3", nil, "lib/d.rb"
      e  = new_spec "anti_d", "1", nil, "lib/d.rb"

      install_specs d1, d2, d3, e, c1, c2, b1, b2, a1

      a1.activate

      require "d"

      assert_equal %w(a-1 b-2 c-2 d-2), loaded_spec_names
    end
  end

  def test_require_should_not_conflict
    save_loaded_features do
      base = new_spec "0", "1", "A" => ">= 1"
      a1 = new_spec "A", "1", {"c" => ">= 2", "b" => "> 0"}, "lib/a.rb"
      a2 = new_spec "A", "2", {"c" => ">= 2", "b" => "> 0"}, "lib/a.rb"
      b1 = new_spec "b", "1", {"c" => "= 1"}, "lib/d.rb"
      b2 = new_spec "b", "2", {"c" => "= 2"}, "lib/d.rb"
      c1 = new_spec "c", "1", {}, "lib/c.rb"
      c2 = new_spec "c", "2", {}, "lib/c.rb"
      c3 = new_spec "c", "3", {}, "lib/c.rb"

      install_specs c1, c2, c3, b1, b2, a1, a2, base

      base.activate
      assert_equal %w(0-1), loaded_spec_names
      assert_equal ["A (>= 1)"], unresolved_names

      require "d"

      assert_equal %w(0-1 A-2 b-2 c-2), loaded_spec_names
      assert_equal [], unresolved_names
    end
  end

  def test_inner_clonflict_in_indirect_gems
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 1" # unresolved
      b2 = new_spec "b", "2", "c" => ">= 1", "d" => "< 3"
      c1 = new_spec "c", "1", "d" => "<= 2" # 1st level
      c2 = new_spec "c", "2", "d" => "<= 2"
      c3 = new_spec "c", "3", "d" => "<= 3"
      d1 = new_spec "d", "1", nil, "lib/d.rb" # 2nd level
      d2 = new_spec "d", "2", nil, "lib/d.rb"
      d3 = new_spec "d", "3", nil, "lib/d.rb"

      install_specs d1, d2, d3, c1, c2, c3, b1, b2, a1

      a1.activate

      require "d"

      assert_includes [%w(a-1 b-2 c-3 d-2),%w(a-1 b-2 d-2)], loaded_spec_names
    end
  end

  def test_inner_clonflict_in_indirect_gems_reversed
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      b1 = new_spec "b", "1", "xc" => ">= 1" # unresolved
      b2 = new_spec "b", "2", "xc" => ">= 1", "d" => "< 3"
      c1 = new_spec "xc", "1", "d" => "<= 3" # 1st level
      c2 = new_spec "xc", "2", "d" => "<= 2"
      c3 = new_spec "xc", "3", "d" => "<= 3"
      d1 = new_spec "d", "1", nil, "lib/d.rb" # 2nd level
      d2 = new_spec "d", "2", nil, "lib/d.rb"
      d3 = new_spec "d", "3", nil, "lib/d.rb"

      install_specs d1, d2, d3, c1, c2, c3, b1, b2, a1

      a1.activate

      require "d"

      assert_includes [%w(a-1 b-2 d-2 xc-3), %w(a-1 b-2 d-2)], loaded_spec_names
    end
  end

  ##
  # [A] depends on
  #     [C]  = 1.0 depends on
  #         [B] = 2.0
  #     [B] ~> 1.0 (satisfied by 1.0)

  def test_self_activate_checks_dependencies
    a  = util_spec 'a', '1.0'
            a.add_dependency 'c', '= 1.0'
            a.add_dependency 'b', '~> 1.0'

    b1 = util_spec 'b', '1.0'
    b2 = util_spec 'b', '2.0'
    c  = util_spec 'c', '1.0', 'b' => '= 2.0'
    install_specs b1, b2, c, a

    e = assert_raises Gem::LoadError do
      assert_activate nil, a, c, "b"
    end

    expected = "can't satisfy 'b (~> 1.0)', already activated 'b-2.0'"
    assert_equal expected, e.message
  end

  ##
  # [A] depends on
  #     [B] ~> 1.0 (satisfied by 1.0)
  #     [C]  = 1.0 depends on
  #         [B] = 2.0

  def test_self_activate_divergent
    a  = util_spec 'a', '1.0', 'b' => '~> 1.0', 'c' => '= 1.0'
    b1 = util_spec 'b', '1.0'
    b2 = util_spec 'b', '2.0'
    c  = util_spec 'c', '1.0', 'b' => '= 2.0'

    install_specs b1, b2, c, a

    e = assert_raises Gem::ConflictError do
      assert_activate nil, a, c, "b"
    end

    assert_match(/Unable to activate c-1.0,/, e.message)
    assert_match(/because b-1.0 conflicts with b .= 2.0/, e.message)
  end

  ##
  # DOC

  def test_self_activate_old_required
    e1, = util_spec 'e', '1', 'd' => '= 1'
    @d1 = util_spec 'd', '1'
    @d2 = util_spec 'd', '2'

    install_specs @d1, @d2, e1

    assert_activate %w[d-1 e-1], e1, "d"
  end

  ##
  # DOC

  def test_self_activate_platform_alternate
    @x1_m = util_spec 'x', '1' do |s|
      s.platform = Gem::Platform.new %w[cpu my_platform 1]
    end

    @x1_o = util_spec 'x', '1' do |s|
      s.platform = Gem::Platform.new %w[cpu other_platform 1]
    end

    @w1 = util_spec 'w', '1', 'x' => nil

    util_set_arch 'cpu-my_platform1'
    install_specs @x1_m, @x1_o, @w1

    assert_activate %w[x-1-cpu-my_platform-1 w-1], @w1, @x1_m
  end

  ##
  # DOC

  def test_self_activate_platform_bump
    @y1 = util_spec 'y', '1'

    @y1_1_p = util_spec 'y', '1.1' do |s|
      s.platform = Gem::Platform.new %w[cpu my_platform 1]
    end

    @z1 = util_spec 'z', '1', 'y' => nil
    install_specs @y1, @y1_1_p, @z1

    assert_activate %w[y-1 z-1], @z1, @y1
  end

  ##
  # [C] depends on
  #     [A] = 1.a
  #     [B] = 1.0 depends on
  #         [A] >= 0 (satisfied by 1.a)

  def test_self_activate_prerelease
    @c1_pre = util_spec 'c', '1.a', "a" => "1.a", "b" => "1"
    @a1_pre = util_spec 'a', '1.a'
    @b1     = util_spec 'b', '1' do |s|
      s.add_dependency 'a'
      s.add_development_dependency 'aa'
    end
    install_specs @a1_pre, @b1, @c1_pre

    assert_activate %w[a-1.a b-1 c-1.a], @c1_pre, @a1_pre, @b1
  end

  def test_self_activate_via_require
    a1 = new_spec "a", "1", "b" => "= 1"
    b1 = new_spec "b", "1", nil, "lib/b/c.rb"
    b2 = new_spec "b", "2", nil, "lib/b/c.rb"

    install_specs b1, b2, a1

    a1.activate
    save_loaded_features do
      require "b/c"
    end

    assert_equal %w(a-1 b-1), loaded_spec_names
  end

  def test_self_activate_via_require_wtf
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0", "d" => "> 0"    # this
      b1 = new_spec "b", "1", { "c" => ">= 1" }, "lib/b.rb"
      b2 = new_spec "b", "2", { "c" => ">= 2" }, "lib/b.rb" # this
      c1 = new_spec "c", "1"
      c2 = new_spec "c", "2"                                # this
      d1 = new_spec "d", "1", { "c" => "< 2" },  "lib/d.rb"
      d2 = new_spec "d", "2", { "c" => "< 2" },  "lib/d.rb" # this

      install_specs c1, c2, b1, b2, d1, d2, a1

      a1.activate

      assert_equal %w(a-1), loaded_spec_names
      assert_equal ["b (> 0)", "d (> 0)"], unresolved_names

      require "b"

      e = assert_raises Gem::LoadError do
        require "d"
      end

      assert_equal "unable to find a version of 'd' to activate", e.message

      assert_equal %w(a-1 b-2 c-2), loaded_spec_names
      assert_equal ["d (> 0)"], unresolved_names
    end
  end

  def test_self_activate_deep_unambiguous
    a1 = new_spec "a", "1", "b" => "= 1"
    b1 = new_spec "b", "1", "c" => "= 1"
    b2 = new_spec "b", "2", "c" => "= 2"
    c1 = new_spec "c", "1"
    c2 = new_spec "c", "2"

    install_specs c1, c2, b1, b2, a1

    a1.activate
    assert_equal %w(a-1 b-1 c-1), loaded_spec_names
  end

  def test_self_activate_loaded
    foo = util_spec 'foo', '1'

    assert foo.activate
    refute foo.activate
  end

  ##
  # [A] depends on
  #     [B] >= 1.0 (satisfied by 2.0)
  # [C] depends on nothing

  def test_self_activate_unrelated
    a = util_spec 'a', '1.0', 'b' => '>= 1.0'
    b = util_spec 'b', '1.0'
    c = util_spec 'c', '1.0'
    install_specs b, c, a

    assert_activate %w[b-1.0 c-1.0 a-1.0], a, c, "b"
  end

  ##
  # [A] depends on
  #     [B] >= 1.0 (satisfied by 2.0)
  #     [C]  = 1.0 depends on
  #         [B] ~> 1.0
  #
  # and should resolve using b-1.0
  # TODO: move these to specification

  def test_self_activate_over
    a = util_spec 'a', '1.0', 'b' => '>= 1.0', 'c' => '= 1.0'
    install_specs util_spec 'b', '1.0'
    install_specs util_spec 'b', '1.1'
    install_specs util_spec 'b', '2.0'
    install_specs util_spec 'c', '1.0', 'b' => '~> 1.0'
    install_specs a

    a.activate

    assert_equal %w[a-1.0 c-1.0], loaded_spec_names
    assert_equal ["b (>= 1.0, ~> 1.0)"], unresolved_names
  end

  ##
  # [A] depends on
  #     [B] ~> 1.0 (satisfied by 1.1)
  #     [C]  = 1.0 depends on
  #         [B] = 1.0
  #
  # and should resolve using b-1.0
  #
  # TODO: this is not under, but over... under would require depth
  # first resolve through a dependency that is later pruned.

  def test_self_activate_under
    a    = util_spec 'a', '1.0', 'b' => '~> 1.0', 'c' => '= 1.0'
    b1   = util_spec 'b', '1.0'
    b1_1 = util_spec 'b', '1.1'
    c    = util_spec 'c', '1.0', 'b' => '= 1.0'

    install_specs b1, b1_1, c, a

    assert_activate %w[b-1.0 c-1.0 a-1.0], a, c, "b"
  end

  ##
  # [A1] depends on
  #    [B] > 0 (satisfied by 2.0)
  # [B1] depends on
  #    [C] > 0 (satisfied by 1.0)
  # [B2] depends on nothing!
  # [C1] depends on nothing

  def test_self_activate_dropped
    a1 = util_spec 'a', '1', 'b' => nil
    b1 = util_spec 'b', '1', 'c' => nil
    b2 = util_spec 'b', '2'
    c1 = util_spec 'c', '1'
    install_specs c1, b1, b2, a1

    assert_activate %w[b-2 a-1], a1, "b"
  end

  ##
  # [A] depends on
  #     [B] >= 1.0 (satisfied by 1.1) depends on
  #         [Z]
  #     [C] >= 1.0 depends on
  #         [B] = 1.0
  #
  # and should backtrack to resolve using b-1.0, pruning Z from the
  # resolve.

  def test_self_activate_raggi_the_edgecase_generator
    a    = util_spec 'a', '1.0', 'b' => '>= 1.0', 'c' => '>= 1.0'
    b1   = util_spec 'b', '1.0'
    b1_0 = util_spec 'b', '1.1', 'z' => '>= 1.0'
    c    = util_spec 'c', '1.0', 'b' => '= 1.0'
    z    = util_spec 'z', '1'

    install_specs z, b1, b1_0, c, z

    assert_activate %w[b-1.0 c-1.0 a-1.0], a, c, "b"
  end

  def test_self_activate_conflict
    install_specs util_spec 'b', '1.0'
    install_specs util_spec 'b', '2.0'

    gem "b", "= 1.0"

    assert_raises Gem::LoadError do
      gem "b", "= 2.0"
    end
  end

  def test_self_all_equals
    a = new_spec "foo", "1", nil, "lib/foo.rb"

    install_specs a
    Gem::Specification.all = [a]

    assert_equal a, Gem::Specification.find_inactive_by_path('foo')
  end

  def test_self_attribute_names
    expected_value = %w[
      authors
      autorequire
      bindir
      cert_chain
      date
      dependencies
      description
      email
      executables
      extensions
      extra_rdoc_files
      files
      homepage
      licenses
      metadata
      name
      platform
      post_install_message
      rdoc_options
      require_paths
      required_ruby_version
      required_rubygems_version
      requirements
      rubyforge_project
      rubygems_version
      signing_key
      specification_version
      summary
      test_files
      version
    ]

    actual_value = Gem::Specification.attribute_names.map { |a| a.to_s }.sort

    assert_equal expected_value, actual_value
  end

  def test_self__load_future
    spec = Gem::Specification.new
    spec.name = 'a'
    spec.version = '1'
    spec.specification_version = @current_version + 1

    new_spec = Marshal.load Marshal.dump(spec)

    assert_equal 'a', new_spec.name
    assert_equal Gem::Version.new(1), new_spec.version
    assert_equal @current_version, new_spec.specification_version
  end

  def test_self_from_yaml
    @a1.instance_variable_set :@specification_version, nil

    spec = Gem::Specification.from_yaml @a1.to_yaml

    assert_equal Gem::Specification::NONEXISTENT_SPECIFICATION_VERSION,
                 spec.specification_version
  end

  def test_self_from_yaml_syck_date_bug
    # This is equivalent to (and totally valid) psych 1.0 output and
    # causes parse errors on syck.
    yaml = @a1.to_yaml
    yaml.sub!(/^date:.*/, "date: 2011-04-26 00:00:00.000000000Z")

    new_spec = with_syck do
      Gem::Specification.from_yaml yaml
    end

    assert_kind_of Time, @a1.date
    assert_kind_of Time, new_spec.date
  end

  def test_self_from_yaml_syck_default_key_bug
    # This is equivalent to (and totally valid) psych 1.0 output and
    # causes parse errors on syck.
    yaml = <<-YAML
--- !ruby/object:Gem::Specification
name: posix-spawn
version: !ruby/object:Gem::Version
  version: 0.3.6
  prerelease:
dependencies:
- !ruby/object:Gem::Dependency
  name: rake-compiler
  requirement: &70243867725240 !ruby/object:Gem::Requirement
    none: false
    requirements:
    - - =
      - !ruby/object:Gem::Version
        version: 0.7.6
  type: :development
  prerelease: false
  version_requirements: *70243867725240
platform: ruby
files: []
test_files: []
bindir:
    YAML

    new_spec = with_syck do
      Gem::Specification.from_yaml yaml
    end

    op = new_spec.dependencies.first.requirement.requirements.first.first
    refute_kind_of YAML::Syck::DefaultKey, op

    refute_match %r%DefaultKey%, new_spec.to_ruby
  end

  def test_self_from_yaml_cleans_up_defaultkey
    yaml = <<-YAML
--- !ruby/object:Gem::Specification
name: posix-spawn
version: !ruby/object:Gem::Version
  version: 0.3.6
  prerelease:
dependencies:
- !ruby/object:Gem::Dependency
  name: rake-compiler
  requirement: &70243867725240 !ruby/object:Gem::Requirement
    none: false
    requirements:
    - - !ruby/object:YAML::Syck::DefaultKey {}

      - !ruby/object:Gem::Version
        version: 0.7.6
  type: :development
  prerelease: false
  version_requirements: *70243867725240
platform: ruby
files: []
test_files: []
bindir:
    YAML

    new_spec = Gem::Specification.from_yaml yaml

    op = new_spec.dependencies.first.requirement.requirements.first.first
    refute_kind_of YAML::Syck::DefaultKey, op

    refute_match %r%DefaultKey%, new_spec.to_ruby
  end

  def test_self_from_yaml_cleans_up_defaultkey_from_newer_192
    yaml = <<-YAML
--- !ruby/object:Gem::Specification
name: posix-spawn
version: !ruby/object:Gem::Version
  version: 0.3.6
  prerelease:
dependencies:
- !ruby/object:Gem::Dependency
  name: rake-compiler
  requirement: &70243867725240 !ruby/object:Gem::Requirement
    none: false
    requirements:
    - - !ruby/object:Syck::DefaultKey {}

      - !ruby/object:Gem::Version
        version: 0.7.6
  type: :development
  prerelease: false
  version_requirements: *70243867725240
platform: ruby
files: []
test_files: []
bindir:
    YAML

    new_spec = Gem::Specification.from_yaml yaml

    op = new_spec.dependencies.first.requirement.requirements.first.first
    refute_kind_of YAML::Syck::DefaultKey, op

    refute_match %r%DefaultKey%, new_spec.to_ruby
  end

  def test_self_from_yaml_cleans_up_Date_objects
    yaml = <<-YAML
--- !ruby/object:Gem::Specification
rubygems_version: 0.8.1
specification_version: 1
name: diff-lcs
version: !ruby/object:Gem::Version
  version: 1.1.2
date: 2004-10-20
summary: Provides a list of changes that represent the difference between two sequenced collections.
require_paths:
  - lib
author: Austin Ziegler
email: diff-lcs@halostatue.ca
homepage: http://rubyforge.org/projects/ruwiki/
rubyforge_project: ruwiki
description: "Test"
bindir: bin
has_rdoc: true
required_ruby_version: !ruby/object:Gem::Version::Requirement
  requirements:
    -
      - ">="
      - !ruby/object:Gem::Version
        version: 1.8.1
  version:
platform: ruby
files:
  - tests/00test.rb
rdoc_options:
  - "--title"
  - "Diff::LCS -- A Diff Algorithm"
  - "--main"
  - README
  - "--line-numbers"
extra_rdoc_files:
  - README
  - ChangeLog
  - Install
executables:
  - ldiff
  - htmldiff
extensions: []
requirements: []
dependencies: []
    YAML

    new_spec = Gem::Specification.from_yaml yaml

    assert_kind_of Time, new_spec.date
  end

  def test_self_load
    full_path = @a2.spec_file
    write_file full_path do |io|
      io.write @a2.to_ruby_for_cache
    end

    spec = Gem::Specification.load full_path

    @a2.files.clear

    assert_equal @a2, spec
  end

  def test_self_load_relative
    open 'a-2.gemspec', 'w' do |io|
      io.write @a2.to_ruby_for_cache
    end

    spec = Gem::Specification.load 'a-2.gemspec'

    @a2.files.clear

    assert_equal @a2, spec

    assert_equal File.join(@tempdir, 'a-2.gemspec'), spec.loaded_from
  end

  def test_self_load_tainted
    full_path = @a2.spec_file
    write_file full_path do |io|
      io.write @a2.to_ruby_for_cache
    end

    full_path.taint
    loader = Thread.new { $SAFE = 1; Gem::Specification.load full_path }
    spec = loader.value

    @a2.files.clear

    assert_equal @a2, spec
  end

  def test_self_load_escape_curly
    @a2.name = 'a};raise "improper escaping";%q{'

    full_path = @a2.spec_file
    write_file full_path do |io|
      io.write @a2.to_ruby_for_cache
    end

    spec = Gem::Specification.load full_path

    @a2.files.clear

    assert_equal @a2, spec
  end

  def test_self_load_escape_interpolation
    @a2.name = 'a#{raise %<improper escaping>}'

    full_path = @a2.spec_file
    write_file full_path do |io|
      io.write @a2.to_ruby_for_cache
    end

    spec = Gem::Specification.load full_path

    @a2.files.clear

    assert_equal @a2, spec
  end

  def test_self_load_escape_quote
    @a2.name = 'a";raise "improper escaping";"'

    full_path = @a2.spec_file
    write_file full_path do |io|
      io.write @a2.to_ruby_for_cache
    end

    spec = Gem::Specification.load full_path

    @a2.files.clear

    assert_equal @a2, spec
  end

  if defined?(Encoding)
  def test_self_load_utf8_with_ascii_encoding
    int_enc = Encoding.default_internal
    silence_warnings { Encoding.default_internal = 'US-ASCII' }

    spec2 = @a2.dup
    bin = "\u5678"
    spec2.authors = [bin]
    full_path = spec2.spec_file
    write_file full_path do |io|
      io.write spec2.to_ruby_for_cache.force_encoding('BINARY').sub("\\u{5678}", bin.force_encoding('BINARY'))
    end

    spec = Gem::Specification.load full_path

    spec2.files.clear

    assert_equal spec2, spec
  ensure
    silence_warnings { Encoding.default_internal = int_enc }
  end
  end

  def test_self_load_legacy_ruby
    spec = Gem::Deprecate.skip_during do
      eval LEGACY_RUBY_SPEC
    end
    assert_equal 'keyedlist', spec.name
    assert_equal '0.4.0', spec.version.to_s
    assert_equal Gem::Specification::TODAY, spec.date
    assert spec.required_ruby_version.satisfied_by?(Gem::Version.new('1'))
    assert_equal false, spec.has_unit_tests?
  end

  def test_self_normalize_yaml_input_with_183_yaml
    input = "!ruby/object:Gem::Specification "
    assert_equal "--- #{input}", Gem::Specification.normalize_yaml_input(input)
  end

  def test_self_normalize_yaml_input_with_non_183_yaml
    input = "--- !ruby/object:Gem::Specification "
    assert_equal input, Gem::Specification.normalize_yaml_input(input)
  end

  def test_self_normalize_yaml_input_with_183_io
    input = "!ruby/object:Gem::Specification "
    assert_equal "--- #{input}",
      Gem::Specification.normalize_yaml_input(StringIO.new(input))
  end

  def test_self_normalize_yaml_input_with_non_183_io
    input = "--- !ruby/object:Gem::Specification "
    assert_equal input,
      Gem::Specification.normalize_yaml_input(StringIO.new(input))
  end

  def test_self_normalize_yaml_input_with_192_yaml
    input = "--- !ruby/object:Gem::Specification \nblah: !!null \n"
    expected = "--- !ruby/object:Gem::Specification \nblah: \n"

    assert_equal expected, Gem::Specification.normalize_yaml_input(input)
  end

  def test_self_outdated
    spec_fetcher do |fetcher|
      fetcher.download 'a', 4

      fetcher.spec 'a', 3
    end

    assert_equal %w[a], Gem::Specification.outdated
  end

  def test_self_outdated_and_latest_remotes
    specs = spec_fetcher do |fetcher|
      fetcher.download 'a', 4
      fetcher.download 'b', 3

      fetcher.spec 'a', '3.a'
      fetcher.spec 'b', 2
    end

    expected = [
      [specs['a-3.a'], v(4)],
      [specs['b-2'],   v(3)],
    ]

    assert_equal expected, Gem::Specification.outdated_and_latest_version.to_a
  end

  def test_self_remove_spec
    install_specs @a1

    assert_includes Gem::Specification.all_names, 'a-1'
    assert_includes Gem::Specification.stubs.map { |s| s.full_name }, 'a-1'

    uninstall_gem @a1
    Gem::Specification.reset

    refute_includes Gem::Specification.all_names, 'a-1'
    refute_includes Gem::Specification.stubs.map { |s| s.full_name }, 'a-1'
  end

  def test_self_remove_spec_removed
    open @a1.spec_file, 'w' do |io|
      io.write @a1.to_ruby
    end

    Gem::Specification.reset

    FileUtils.rm @a1.spec_file # bug #698

    Gem::Specification.reset

    refute_includes Gem::Specification.all_names, 'a-1'
    refute_includes Gem::Specification.stubs.map { |s| s.full_name }, 'a-1'
  end

  DATA_PATH = File.expand_path "../data", __FILE__

  def test_handles_private_null_type
    path = File.join DATA_PATH, "null-type.gemspec.rz"

    data = Marshal.load Gem.inflate(Gem.read_binary(path))

    assert_equal nil, data.rubyforge_project
  end

  def test_emits_zulu_timestamps_properly
    t = Time.utc(2012, 3, 12)
    @a2.date = t

    yaml = with_psych { @a2.to_yaml }

    assert_match %r!date: 2012-03-12 00:00:00\.000000000 Z!, yaml
  end if RUBY_VERSION =~ /1\.9\.2/

  def test_initialize
    spec = Gem::Specification.new do |s|
      s.name = "blah"
      s.version = "1.3.5"
    end

    assert_equal "blah", spec.name
    assert_equal "1.3.5", spec.version.to_s
    assert_equal Gem::Platform::RUBY, spec.platform
    assert_equal nil, spec.summary
    assert_equal [], spec.files

    assert_equal [], spec.test_files
    assert_equal [], spec.rdoc_options
    assert_equal [], spec.extra_rdoc_files
    assert_equal [], spec.executables
    assert_equal [], spec.extensions
    assert_equal [], spec.requirements
    assert_equal [], spec.dependencies
    assert_equal 'bin', spec.bindir
    assert_equal '>= 0', spec.required_ruby_version.to_s
    assert_equal '>= 0', spec.required_rubygems_version.to_s
  end

  def test_initialize_future
    version = Gem::Specification::CURRENT_SPECIFICATION_VERSION + 1
    spec = Gem::Specification.new do |s|
      s.name = "blah"
      s.version = "1.3.5"

      s.specification_version = version

      s.new_unknown_attribute = "a value"
    end

    assert_equal "blah", spec.name
    assert_equal "1.3.5", spec.version.to_s
  end

  def test_initialize_copy
    spec = Gem::Specification.new do |s|
      s.name = "blah"
      s.version = "1.3.5"
      s.summary = 'summary'
      s.description = 'description'
      s.authors = 'author a', 'author b'
      s.licenses = 'BSD'
      s.files = 'lib/file.rb'
      s.test_files = 'test/file.rb'
      s.rdoc_options = '--foo'
      s.extra_rdoc_files = 'README.txt'
      s.executables = 'exec'
      s.extensions = 'ext/extconf.rb'
      s.requirements = 'requirement'
      s.add_dependency 'some_gem'
    end

    new_spec = spec.dup

    assert_equal "blah", spec.name
    assert_same  spec.name, new_spec.name

    assert_equal "1.3.5", spec.version.to_s
    assert_same spec.version, new_spec.version

    assert_equal Gem::Platform::RUBY, spec.platform
    assert_same spec.platform, new_spec.platform

    assert_equal 'summary', spec.summary
    assert_same spec.summary, new_spec.summary

    assert_equal %w[README.txt bin/exec ext/extconf.rb lib/file.rb
                    test/file.rb].sort,
                 spec.files
    refute_same spec.files, new_spec.files, 'files'

    assert_equal %w[test/file.rb], spec.test_files
    refute_same spec.test_files, new_spec.test_files, 'test_files'

    assert_equal %w[--foo], spec.rdoc_options
    refute_same spec.rdoc_options, new_spec.rdoc_options, 'rdoc_options'

    assert_equal %w[README.txt], spec.extra_rdoc_files
    refute_same spec.extra_rdoc_files, new_spec.extra_rdoc_files,
                'extra_rdoc_files'

    assert_equal %w[exec], spec.executables
    refute_same spec.executables, new_spec.executables, 'executables'

    assert_equal %w[ext/extconf.rb], spec.extensions
    refute_same spec.extensions, new_spec.extensions, 'extensions'

    assert_equal %w[requirement], spec.requirements
    refute_same spec.requirements, new_spec.requirements, 'requirements'

    assert_equal [Gem::Dependency.new('some_gem', Gem::Requirement.default)],
                 spec.dependencies
    refute_same spec.dependencies, new_spec.dependencies, 'dependencies'

    assert_equal 'bin', spec.bindir
    assert_same spec.bindir, new_spec.bindir

    assert_equal '>= 0', spec.required_ruby_version.to_s
    assert_same spec.required_ruby_version, new_spec.required_ruby_version

    assert_equal '>= 0', spec.required_rubygems_version.to_s
    assert_same spec.required_rubygems_version,
                new_spec.required_rubygems_version
  end

  def test_initialize_copy_broken
    spec = Gem::Specification.new do |s|
      s.name = 'a'
      s.version = '1'
    end

    spec.instance_variable_set :@licenses, :blah
    spec.loaded_from = '/path/to/file'

    e = assert_raises Gem::FormatException do
      spec.dup
    end

    assert_equal 'a-1 has an invalid value for @licenses', e.message
    assert_equal '/path/to/file', e.file_path
  end

  def test__dump
    @a2.platform = Gem::Platform.local
    @a2.instance_variable_set :@original_platform, 'old_platform'

    data = Marshal.dump @a2

    same_spec = Marshal.load data

    assert_equal 'old_platform', same_spec.original_platform
  end

  def test_activate
    @a2.activate

    assert @a2.activated?
  end

  def test_add_dependency_with_type
    gem = util_spec "awesome", "1.0" do |awesome|
      awesome.add_dependency true
      awesome.add_dependency :gem_name
    end

    assert_equal %w[true gem_name], gem.dependencies.map { |dep| dep.name }
  end

  def test_add_dependency_from_existing_dependency
    dep  = Gem::Dependency.new("existing_dep", Gem::Requirement.new('> 1'), :runtime)
    spec = Gem::Specification.new { |s| s.add_dependency dep }
    assert_equal dep, spec.dependencies.first
  end

  def test_add_dependency_with_type_explicit
    gem = util_spec "awesome", "1.0" do |awesome|
      awesome.add_development_dependency "monkey"
    end

    monkey = gem.dependencies.detect { |d| d.name == "monkey" }
    assert_equal(:development, monkey.type)
  end

  def test_author
    assert_equal 'A User', @a1.author
  end

  def test_authors
    assert_equal ['A User'], @a1.authors
  end

  def test_bindir_equals
    @a1.bindir = 'apps'

    assert_equal 'apps', @a1.bindir
  end

  def test_bindir_equals_nil
    @a2.bindir = nil
    @a2.executable = 'app'

    assert_equal nil, @a2.bindir
    assert_equal %w[app lib/code.rb].sort, @a2.files
  end

  def test_extensions_equals_nil
    @a2.instance_variable_set(:@extensions, nil)
    assert_equal nil, @a2.instance_variable_get(:@extensions)
    assert_equal %w[lib/code.rb], @a2.files
  end

  def test_test_files_equals_nil
    @a2.instance_variable_set(:@test_files, nil)
    assert_equal nil, @a2.instance_variable_get(:@test_files)
    assert_equal %w[lib/code.rb], @a2.files
  end

  def test_executables_equals_nil
    @a2.instance_variable_set(:@executables, nil)
    assert_equal nil, @a2.instance_variable_get(:@executables)
    assert_equal %w[lib/code.rb], @a2.files
  end

  def test_extra_rdoc_files_equals_nil
    @a2.instance_variable_set(:@extra_rdoc_files, nil)
    assert_equal nil, @a2.instance_variable_get(:@extra_rdoc_files)
    assert_equal %w[lib/code.rb], @a2.files
  end

  def test_build_args
    ext_spec

    assert_empty @ext.build_args

    open @ext.build_info_file, 'w' do |io|
      io.puts
    end

    assert_empty @ext.build_args

    open @ext.build_info_file, 'w' do |io|
      io.puts '--with-foo-dir=wherever'
    end

    assert_equal %w[--with-foo-dir=wherever], @ext.build_args
  end

  def test_build_extensions
    ext_spec

    refute_path_exists @ext.extension_dir, 'sanity check'
    refute_empty @ext.extensions, 'sanity check'

    extconf_rb = File.join @ext.gem_dir, @ext.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "clean:\n\techo clean"
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    @ext.build_extensions

    assert_path_exists @ext.extension_dir
  end

  def test_default_spec_stub_is_marked_default
    default = new_default_spec 'default', 2
    install_default_gems default

    stub = Gem::Specification.stubs.find { |s| s.name == 'default' }
    assert_predicate stub, :default_gem?

    stub = Gem::Specification.find_all_by_name('default').first
    assert_predicate stub, :default_gem?
  end

  def test_build_extensions_built
    ext_spec

    refute_empty @ext.extensions, 'sanity check'

    gem_build_complete =
      File.join @ext.extension_dir, 'gem.build_complete'

    FileUtils.mkdir_p @ext.extension_dir
    FileUtils.touch gem_build_complete

    @ext.build_extensions

    gem_make_out = File.join @ext.extension_dir, 'gem_make.out'
    refute_path_exists gem_make_out
  end

  def test_build_extensions_default_gem
    spec = new_default_spec 'default', 1
    spec.extensions << 'extconf.rb'

    extconf_rb = File.join spec.gem_dir, spec.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    spec.build_extensions

    refute_path_exists spec.extension_dir
  end

  def test_build_extensions_error
    ext_spec

    refute_empty @ext.extensions, 'sanity check'

    assert_raises Gem::Ext::BuildError do
      @ext.build_extensions
    end
  end

  def test_build_extensions_extensions_dir_unwritable
    skip 'chmod not supported' if Gem.win_platform?

    ext_spec

    refute_empty @ext.extensions, 'sanity check'

    extconf_rb = File.join @ext.gem_dir, @ext.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "clean:\n\techo clean"
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    FileUtils.mkdir_p File.join @ext.base_dir, 'extensions'
    FileUtils.chmod 0555, @ext.base_dir
    FileUtils.chmod 0555, File.join(@ext.base_dir, 'extensions')

    @ext.build_extensions
    refute_path_exists @ext.extension_dir
  ensure
    unless ($DEBUG or win_platform?) then
      FileUtils.chmod 0755, File.join(@ext.base_dir, 'extensions')
      FileUtils.chmod 0755, @ext.base_dir
    end
  end

  def test_build_extensions_no_extensions_dir_unwritable
    skip 'chmod not supported' if Gem.win_platform?

    ext_spec

    refute_empty @ext.extensions, 'sanity check'

    extconf_rb = File.join @ext.gem_dir, @ext.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "clean:\n\techo clean"
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    FileUtils.rm_r File.join @gemhome, 'extensions'
    FileUtils.chmod 0555, @gemhome

    @ext.build_extensions

    gem_make_out = File.join @ext.extension_dir, 'gem_make.out'
    refute_path_exists gem_make_out
  ensure
    FileUtils.chmod 0755, @gemhome
  end

  def test_build_extensions_none
    refute_path_exists @a1.extension_dir, 'sanity check'
    assert_empty @a1.extensions, 'sanity check'

    @a1.build_extensions

    refute_path_exists @a1.extension_dir
  end

  def test_build_extensions_old
    ext_spec

    refute_empty @ext.extensions, 'sanity check'

    @ext.installed_by_version = v(0)

    @ext.build_extensions

    gem_make_out = File.join @ext.extension_dir, 'gem_make.out'
    refute_path_exists gem_make_out
  end

  def test_build_extensions_preview
    ext_spec

    extconf_rb = File.join @ext.gem_dir, @ext.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "clean:\n\techo clean"
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    refute_empty @ext.extensions, 'sanity check'

    @ext.installed_by_version = v('2.2.0.preview.2')

    @ext.build_extensions

    gem_make_out = File.join @ext.extension_dir, 'gem_make.out'
    assert_path_exists gem_make_out
  end

  def test_contains_requirable_file_eh
    code_rb = File.join @a1.gem_dir, 'lib', 'code.rb'
    FileUtils.mkdir_p File.dirname code_rb
    FileUtils.touch code_rb

    assert @a1.contains_requirable_file? 'code'
  end

  def test_contains_requirable_file_eh_extension
    ext_spec

    _, err = capture_io do
      refute @ext.contains_requirable_file? 'nonexistent'
    end

    expected = "Ignoring ext-1 because its extensions are not built.  " +
               "Try: gem pristine ext --version 1\n"

    assert_equal expected, err
  end

  def test_date
    assert_equal Gem::Specification::TODAY, @a1.date
  end

  def test_date_equals_date
    @a1.date = Date.new(2003, 9, 17)
    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
  end

  def test_date_equals_string
    @a1.date = '2003-09-17'
    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
  end

  def test_date_equals_string_bad
    assert_raises Gem::InvalidSpecificationException do
      @a1.date = '9/11/2003'
    end
  end

  def test_date_equals_time
    @a1.date = Time.local(2003, 9, 17, 0,0,0)
    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
  end

  def test_date_equals_time_local
    @a1.date = Time.local(2003, 9, 17, 19,50,0) # may not pass in utc >= +4
    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
  end

  def test_date_equals_time_utc
    @a1.date = Time.utc(2003, 9, 17, 19,50,0)
    assert_equal Time.utc(2003, 9, 17, 0,0,0), @a1.date
  end

  def test_date_tolerates_hour_sec_zulu
    @a1.date = "2012-01-12 11:22:33.4444444 Z"
    assert_equal Time.utc(2012,01,12,0,0,0), @a1.date
  end

  def test_date_tolerates_hour_sec_and_timezone
    @a1.date = "2012-01-12 11:22:33.4444444 +02:33"
    assert_equal Time.utc(2012,01,12,0,0,0), @a1.date
  end

  def test_dependencies
    util_setup_deps
    assert_equal [@bonobo, @monkey], @gem.dependencies
  end

  def test_dependent_gems
    util_setup_deps

    assert_empty @gem.dependent_gems

    bonobo = util_spec 'bonobo', 1
    install_gem bonobo
    install_gem @gem

    expected = [
      [@gem, @bonobo, [bonobo]],
    ]

    assert_equal expected, bonobo.dependent_gems
  end

  def test_doc_dir
    assert_equal File.join(@gemhome, 'doc', 'a-1'), @a1.doc_dir
  end

  def test_doc_dir_type
    assert_equal File.join(@gemhome, 'doc', 'a-1', 'ri'), @a1.doc_dir('ri')
  end

  def test_runtime_dependencies
    util_setup_deps
    assert_equal [@bonobo], @gem.runtime_dependencies
  end

  def test_development_dependencies
    util_setup_deps
    assert_equal [@monkey], @gem.development_dependencies
  end

  def test_description
    assert_equal 'This is a test description', @a1.description
  end

  def test_eql_eh
    g1 = new_spec 'gem', 1
    g2 = new_spec 'gem', 1

    assert_equal g1, g2
    assert_equal g1.hash, g2.hash
    assert_equal true, g1.eql?(g2)
  end

  def test_eql_eh_extensions
    spec = @a1.dup
    spec.extensions = 'xx'

    refute_operator @a1, :eql?, spec
    refute_operator spec, :eql?, @a1
  end

  def test_executables
    @a1.executable = 'app'
    assert_equal %w[app], @a1.executables
  end

  def test_executable_equals
    @a2.executable = 'app'
    assert_equal 'app', @a2.executable
    assert_equal %w[bin/app lib/code.rb].sort, @a2.files
  end

  def test_extensions
    assert_equal ['ext/extconf.rb'], ext_spec.extensions
  end

  def test_extension_dir
    enable_shared, RbConfig::CONFIG['ENABLE_SHARED'] =
      RbConfig::CONFIG['ENABLE_SHARED'], 'no'

    ext_spec

    refute_empty @ext.extensions

    expected =
      File.join(@ext.base_dir, 'extensions', Gem::Platform.local.to_s,
                "#{Gem.ruby_api_version}-static", @ext.full_name)

    assert_equal expected, @ext.extension_dir
  ensure
    RbConfig::CONFIG['ENABLE_SHARED'] = enable_shared
  end

  def test_extension_dir_override
    enable_shared, RbConfig::CONFIG['ENABLE_SHARED'] =
      RbConfig::CONFIG['ENABLE_SHARED'], 'no'

    class << Gem
      alias orig_default_ext_dir_for default_ext_dir_for

      def Gem.default_ext_dir_for(base_dir)
        'elsewhere'
      end
    end

    ext_spec

    refute_empty @ext.extensions

    expected = File.join @tempdir, 'elsewhere', @ext.full_name

    assert_equal expected, @ext.extension_dir
  ensure
    RbConfig::CONFIG['ENABLE_SHARED'] = enable_shared

    class << Gem
      remove_method :default_ext_dir_for

      alias default_ext_dir_for orig_default_ext_dir_for
    end
  end

  def test_files
    @a1.files = %w(files bin/common)
    @a1.test_files = %w(test_files bin/common)
    @a1.executables = %w(executables common)
    @a1.extra_rdoc_files = %w(extra_rdoc_files bin/common)
    @a1.extensions = %w(extensions bin/common)

    expected = %w[
      bin/common
      bin/executables
      extensions
      extra_rdoc_files
      files
      test_files
    ]
    assert_equal expected, @a1.files
  end

  def test_files_append
    @a1.files            = %w(files bin/common)
    @a1.test_files       = %w(test_files bin/common)
    @a1.executables      = %w(executables common)
    @a1.extra_rdoc_files = %w(extra_rdoc_files bin/common)
    @a1.extensions       = %w(extensions bin/common)

    expected = %w[
      bin/common
      bin/executables
      extensions
      extra_rdoc_files
      files
      test_files
    ]
    assert_equal expected, @a1.files

    @a1.files << "generated_file.c"

    expected << "generated_file.c"
    expected.sort!

    assert_equal expected, @a1.files
  end

  def test_files_duplicate
    @a2.files = %w[a b c d b]
    @a2.extra_rdoc_files = %w[x y z x]
    @a2.normalize

    assert_equal %w[a b c d x y z], @a2.files
    assert_equal %w[x y z], @a2.extra_rdoc_files
  end

  def test_files_extra_rdoc_files
    @a2.files = %w[a b c d]
    @a2.extra_rdoc_files = %w[x y z]
    @a2.normalize
    assert_equal %w[a b c d x y z], @a2.files
  end

  def test_files_non_array
    @a1.files = "F"
    @a1.test_files = "TF"
    @a1.executables = "X"
    @a1.extra_rdoc_files = "ERF"
    @a1.extensions = "E"

    assert_equal %w[E ERF F TF bin/X], @a1.files
  end

  def test_files_non_array_pathological
    @a1.instance_variable_set :@files, "F"
    @a1.instance_variable_set :@test_files, "TF"
    @a1.instance_variable_set :@extra_rdoc_files, "ERF"
    @a1.instance_variable_set :@extensions, "E"
    @a1.instance_variable_set :@executables, "X"

    assert_equal %w[E ERF F TF bin/X], @a1.files
    assert_kind_of Integer, @a1.hash
  end

  def test_for_cache
    @a2.add_runtime_dependency 'b', '1'
    @a2.dependencies.first.instance_variable_set :@type, nil
    @a2.required_rubygems_version = Gem::Requirement.new '> 0'
    @a2.test_files = %w[test/test_b.rb]

    refute_empty @a2.files
    refute_empty @a2.test_files

    spec = @a2.for_cache

    assert_empty spec.files
    assert_empty spec.test_files

    refute_empty @a2.files
    refute_empty @a2.test_files
  end

  def test_full_gem_path
    assert_equal File.join(@gemhome, 'gems', @a1.full_name), @a1.full_gem_path

    @a1.original_platform = 'mswin32'

    assert_equal File.join(@gemhome, 'gems', @a1.original_name),
                 @a1.full_gem_path
  end

  def test_full_gem_path_double_slash
    gemhome = @gemhome.to_s.sub(/\w\//, '\&/')
    @a1.loaded_from = File.join gemhome, "specifications", @a1.spec_name

    expected = File.join @gemhome, "gems", @a1.full_name
    assert_equal expected, @a1.full_gem_path
  end

  def test_full_name
    assert_equal 'a-1', @a1.full_name

    @a1 = Gem::Specification.new "a", 1
    @a1.platform = Gem::Platform.new ['universal', 'darwin', nil]
    assert_equal 'a-1-universal-darwin', @a1.full_name

    @a1 = Gem::Specification.new "a", 1
    @a1.instance_variable_set :@new_platform, 'mswin32'
    assert_equal 'a-1-mswin32', @a1.full_name, 'legacy'

    return if win_platform?

    @a1 = Gem::Specification.new "a", 1
    @a1.platform = 'current'
    assert_equal 'a-1-x86-darwin-8', @a1.full_name
  end

  def test_full_name_windows
    test_cases = {
      'i386-mswin32'      => 'a-1-x86-mswin32-60',
      'i386-mswin32_80'   => 'a-1-x86-mswin32-80',
      'i386-mingw32'      => 'a-1-x86-mingw32'
    }

    test_cases.each do |arch, expected|
      @a1 = Gem::Specification.new "a", 1
      util_set_arch arch
      @a1.platform = 'current'
      assert_equal expected, @a1.full_name
    end
  end

  def test_gem_build_complete_path
    expected = File.join @a1.extension_dir, 'gem.build_complete'
    assert_equal expected, @a1.gem_build_complete_path
  end

  def test_hash
    assert_equal @a1.hash, @a1.hash
    assert_equal @a1.hash, @a1.dup.hash
    refute_equal @a1.hash, @a2.hash
  end

  def test_installed_by_version
    assert_equal v(0), @a1.installed_by_version

    @a1.installed_by_version = Gem.rubygems_version

    assert_equal Gem.rubygems_version, @a1.installed_by_version
  end

  def test_base_dir
    assert_equal @gemhome, @a1.base_dir
  end

  def test_base_dir_not_loaded
    @a1.instance_variable_set :@loaded_from, nil

    assert_equal Gem.dir, @a1.base_dir
  end

  def test_base_dir_default
    default_dir =
      File.join Gem::Specification.default_specifications_dir, @a1.spec_name

    @a1.instance_variable_set :@loaded_from, default_dir

    assert_equal Gem.default_dir, @a1.base_dir
  end

  def test_lib_files
    @a1.files = %w[lib/foo.rb Rakefile]

    assert_equal %w[lib/foo.rb], @a1.lib_files
  end

  def test_license
    assert_equal 'MIT', @a1.license
  end

  def test_licenses
    assert_equal ['MIT'], @a1.licenses
  end

  def test_name
    assert_equal 'a', @a1.name
  end

  def test_original_name
    assert_equal 'a-1', @a1.full_name

    @a1.platform = 'i386-linux'
    @a1.instance_variable_set :@original_platform, 'i386-linux'
    assert_equal 'a-1-i386-linux', @a1.original_name
  end

  def test_platform
    assert_equal Gem::Platform::RUBY, @a1.platform
  end

  def test_platform_change_reset_full_name
    orig_full_name = @a1.full_name

    @a1.platform = "universal-unknown"
    refute_equal orig_full_name, @a1.full_name
  end

  def test_platform_change_reset_cache_file
    orig_cache_file = @a1.cache_file

    @a1.platform = "universal-unknown"
    refute_equal orig_cache_file, @a1.cache_file
  end

  def test_platform_equals
    @a1.platform = nil
    assert_equal Gem::Platform::RUBY, @a1.platform

    @a1.platform = Gem::Platform::RUBY
    assert_equal Gem::Platform::RUBY, @a1.platform

    test_cases = {
      'i386-mswin32'    => ['x86', 'mswin32', '60'],
      'i386-mswin32_80' => ['x86', 'mswin32', '80'],
      'i386-mingw32'    => ['x86', 'mingw32', nil ],
      'x86-darwin8'     => ['x86', 'darwin',  '8' ],
    }

    test_cases.each do |arch, expected|
      util_set_arch arch
      @a1.platform = Gem::Platform::CURRENT
      assert_equal Gem::Platform.new(expected), @a1.platform
    end
  end

  def test_platform_equals_current
    @a1.platform = Gem::Platform::CURRENT
    assert_equal Gem::Platform.local, @a1.platform
    assert_equal Gem::Platform.local.to_s, @a1.original_platform
  end

  def test_platform_equals_legacy
    @a1.platform = 'mswin32'
    assert_equal Gem::Platform.new('x86-mswin32'), @a1.platform

    @a1.platform = 'i586-linux'
    assert_equal Gem::Platform.new('x86-linux'), @a1.platform

    @a1.platform = 'powerpc-darwin'
    assert_equal Gem::Platform.new('ppc-darwin'), @a1.platform
  end

  def test_prerelease_spec_adds_required_rubygems_version
    @prerelease = util_spec('tardis', '2.2.0.a')
    refute @prerelease.required_rubygems_version.satisfied_by?(Gem::Version.new('1.3.1'))
    assert @prerelease.required_rubygems_version.satisfied_by?(Gem::Version.new('1.4.0'))
  end

  def test_require_paths
    enable_shared 'no' do
      ext_spec

      @ext.require_paths = 'lib'

      assert_equal [@ext.extension_dir, 'lib'], @ext.require_paths
    end
  end

  def test_require_paths_default_ext_dir_for
    class << Gem
      send :alias_method, :orig_default_ext_dir_for, :default_ext_dir_for
    end

    def Gem.default_ext_dir_for base_dir
      '/foo'
    end

    enable_shared 'no' do
      ext_spec

      @ext.require_paths = 'lib'

      assert_equal [File.expand_path('/foo/ext-1'), 'lib'], @ext.require_paths
    end
  ensure
    class << Gem
      send :remove_method, :default_ext_dir_for
      send :alias_method,  :default_ext_dir_for, :orig_default_ext_dir_for
      send :remove_method, :orig_default_ext_dir_for
    end
  end

  def test_source
    assert_kind_of Gem::Source::Installed, @a1.source
  end

  def test_source_paths
    ext_spec

    @ext.require_paths = %w[lib ext foo]
    @ext.extensions << 'bar/baz'

    expected = %w[
      lib
      ext
      foo
      bar
    ]

    assert_equal expected, @ext.source_paths
  end

  def test_full_require_paths
    ext_spec

    @ext.require_paths = 'lib'

    expected = [
      File.join(@gemhome, 'gems', @ext.original_name, 'lib'),
      @ext.extension_dir,
    ]

    assert_equal expected, @ext.full_require_paths
  end

  def test_to_fullpath
    ext_spec

    @ext.require_paths = 'lib'

    dir = File.join(@gemhome, 'gems', @ext.original_name, 'lib')
    expected_rb = File.join(dir, 'code.rb')
    FileUtils.mkdir_p dir
    FileUtils.touch expected_rb

    dir = @ext.extension_dir
    ext = RbConfig::CONFIG["DLEXT"]
    expected_so = File.join(dir, "ext.#{ext}")
    FileUtils.mkdir_p dir
    FileUtils.touch expected_so

    assert_nil @ext.to_fullpath("code")
    assert_nil @ext.to_fullpath("code.rb")
    assert_nil @ext.to_fullpath("code.#{ext}")

    assert_nil @ext.to_fullpath("ext")
    assert_nil @ext.to_fullpath("ext.rb")
    assert_nil @ext.to_fullpath("ext.#{ext}")

    @ext.activate

    assert_equal expected_rb, @ext.to_fullpath("code")
    assert_equal expected_rb, @ext.to_fullpath("code.rb")
    assert_nil @ext.to_fullpath("code.#{ext}")

    assert_equal expected_so, @ext.to_fullpath("ext")
    assert_nil @ext.to_fullpath("ext.rb")
    assert_equal expected_so, @ext.to_fullpath("ext.#{ext}")

    assert_nil @ext.to_fullpath("notexist")
  end

  def test_require_already_activated
    save_loaded_features do
      a1 = new_spec "a", "1", nil, "lib/d.rb"

      install_specs a1 # , a2, b1, b2, c1, c2

      a1.activate
      assert_equal %w(a-1), loaded_spec_names
      assert_equal [], unresolved_names

      assert require "d"

      assert_equal %w(a-1), loaded_spec_names
      assert_equal [], unresolved_names
    end
  end

  def test_require_already_activated_indirect_conflict
    save_loaded_features do
      a1 = new_spec "a", "1", "b" => "> 0"
      a2 = new_spec "a", "2", "b" => "> 0"
      b1 = new_spec "b", "1", "c" => ">= 1"
      b2 = new_spec "b", "2", "c" => ">= 2"
      c1 = new_spec "c", "1", nil, "lib/d.rb"
      c2 = new_spec("c", "2", { "a" => "1" }, "lib/d.rb") # conflicts with a-2

      install_specs c1, b1, a1, a2, c2, b2

      a1.activate
      c1.activate
      assert_equal %w(a-1 c-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names

      assert require "d"

      assert_equal %w(a-1 c-1), loaded_spec_names
      assert_equal ["b (> 0)"], unresolved_names
    end
  end

  def test_requirements
    assert_equal ['A working computer'], @a1.requirements
  end

  def test_allowed_push_host
    assert_equal nil, @a1.metadata['allowed_push_host']
    assert_equal 'https://privategemserver.com', @a3.metadata['allowed_push_host']
  end

  def test_runtime_dependencies_legacy
    make_spec_c1
    # legacy gems don't have a type
    @c1.runtime_dependencies.each do |dep|
      dep.instance_variable_set :@type, nil
    end

    expected = %w[rake jabber4r pqa]

    assert_equal expected, @c1.runtime_dependencies.map { |d| d.name }
  end

  def test_spaceship_name
    s1 = new_spec 'a', '1'
    s2 = new_spec 'b', '1'

    assert_equal(-1, (s1 <=> s2))
    assert_equal( 0, (s1 <=> s1))
    assert_equal( 1, (s2 <=> s1))
  end

  def test_spaceship_platform
    s1 = new_spec 'a', '1'
    s2 = new_spec 'a', '1' do |s|
      s.platform = Gem::Platform.new 'x86-my_platform1'
    end

    assert_equal( -1, (s1 <=> s2))
    assert_equal(  0, (s1 <=> s1))
    assert_equal(  1, (s2 <=> s1))
  end

  def test_spaceship_version
    s1 = new_spec 'a', '1'
    s2 = new_spec 'a', '2'

    assert_equal( -1, (s1 <=> s2))
    assert_equal(  0, (s1 <=> s1))
    assert_equal(  1, (s2 <=> s1))
  end

  def test_spec_file
    assert_equal File.join(@gemhome, 'specifications', 'a-1.gemspec'),
                 @a1.spec_file
  end

  def test_spec_name
    assert_equal 'a-1.gemspec', @a1.spec_name
  end

  def test_summary
    assert_equal 'this is a summary', @a1.summary
  end

  def test_test_files
    @a1.test_file = 'test/suite.rb'
    assert_equal ['test/suite.rb'], @a1.test_files
  end

  def test_runtime_predicate_true
    @a2.add_runtime_dependency 'b', '1'
    assert_predicate @a2.dependencies.first, :runtime?

    @a2.dependencies.first.instance_variable_set :@type, nil
    assert_predicate @a2.dependencies.first, :runtime?
  end

  def test_runtime_predicate_false
    @a2.add_development_dependency 'b', '1'
    refute_predicate @a2.dependencies.first, :runtime?
  end

  def test_to_ruby
    @a2.add_runtime_dependency 'b', '1'
    @a2.dependencies.first.instance_variable_set :@type, nil
    @a2.required_rubygems_version = Gem::Requirement.new '> 0'
    @a2.require_paths << 'other'

    ruby_code = @a2.to_ruby

    expected = <<-SPEC
# -*- encoding: utf-8 -*-
# stub: a 2 ruby lib\0other

Gem::Specification.new do |s|
  s.name = "a"
  s.version = "2"

  s.required_rubygems_version = Gem::Requirement.new(\"> 0\") if s.respond_to? :required_rubygems_version=
  s.require_paths = ["lib", "other"]
  s.authors = ["A User"]
  s.date = "#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}"
  s.description = "This is a test description"
  s.email = "example@example.com"
  s.files = ["lib/code.rb"]
  s.homepage = "http://example.com"
  s.rubygems_version = "#{Gem::VERSION}"
  s.summary = "this is a summary"

  if s.respond_to? :specification_version then
    s.specification_version = #{Gem::Specification::CURRENT_SPECIFICATION_VERSION}

    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
      s.add_runtime_dependency(%q<b>, [\"= 1\"])
    else
      s.add_dependency(%q<b>, [\"= 1\"])
    end
  else
    s.add_dependency(%q<b>, [\"= 1\"])
  end
end
    SPEC

    assert_equal expected, ruby_code

    same_spec = eval ruby_code

    assert_equal @a2, same_spec
  end

  def test_to_ruby_for_cache
    @a2.add_runtime_dependency 'b', '1'
    @a2.dependencies.first.instance_variable_set :@type, nil
    @a2.required_rubygems_version = Gem::Requirement.new '> 0'
    @a2.installed_by_version = Gem.rubygems_version

    # cached specs do not have spec.files populated:
    ruby_code = @a2.to_ruby_for_cache

    expected = <<-SPEC
# -*- encoding: utf-8 -*-
# stub: a 2 ruby lib

Gem::Specification.new do |s|
  s.name = "a"
  s.version = "2"

  s.required_rubygems_version = Gem::Requirement.new(\"> 0\") if s.respond_to? :required_rubygems_version=
  s.require_paths = ["lib"]
  s.authors = ["A User"]
  s.date = "#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}"
  s.description = "This is a test description"
  s.email = "example@example.com"
  s.homepage = "http://example.com"
  s.rubygems_version = "#{Gem::VERSION}"
  s.summary = "this is a summary"

  s.installed_by_version = "#{Gem::VERSION}" if s.respond_to? :installed_by_version

  if s.respond_to? :specification_version then
    s.specification_version = #{Gem::Specification::CURRENT_SPECIFICATION_VERSION}

    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
      s.add_runtime_dependency(%q<b>, [\"= 1\"])
    else
      s.add_dependency(%q<b>, [\"= 1\"])
    end
  else
    s.add_dependency(%q<b>, [\"= 1\"])
  end
end
    SPEC

    assert_equal expected, ruby_code

    same_spec = eval ruby_code

    # cached specs do not have spec.files populated:
    @a2.files = []
    assert_equal @a2, same_spec
  end

  def test_to_ruby_fancy
    make_spec_c1

    @c1.platform = Gem::Platform.local
    ruby_code = @c1.to_ruby

    local = Gem::Platform.local
    expected_platform = "[#{local.cpu.inspect}, #{local.os.inspect}, #{local.version.inspect}]"
    stub_require_paths =
      @c1.instance_variable_get(:@require_paths).join "\u0000"
    extensions = @c1.extensions.join "\u0000"

    expected = <<-SPEC
# -*- encoding: utf-8 -*-
# stub: a 1 #{win_platform? ? "x86-mswin32-60" : "x86-darwin-8"} #{stub_require_paths}
# stub: #{extensions}

Gem::Specification.new do |s|
  s.name = "a"
  s.version = "1"
  s.platform = Gem::Platform.new(#{expected_platform})

  s.required_rubygems_version = Gem::Requirement.new(\">= 0\") if s.respond_to? :required_rubygems_version=
  s.require_paths = ["lib"]
  s.authors = ["A User"]
  s.date = "#{Gem::Specification::TODAY.strftime "%Y-%m-%d"}"
  s.description = "This is a test description"
  s.email = "example@example.com"
  s.executables = ["exec"]
  s.extensions = ["ext/a/extconf.rb"]
  s.files = ["bin/exec", "ext/a/extconf.rb", "lib/code.rb", "test/suite.rb"]
  s.homepage = "http://example.com"
  s.licenses = ["MIT"]
  s.requirements = ["A working computer"]
  s.rubyforge_project = "example"
  s.rubygems_version = "#{Gem::VERSION}"
  s.summary = "this is a summary"
  s.test_files = ["test/suite.rb"]

  if s.respond_to? :specification_version then
    s.specification_version = 4

    if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
      s.add_runtime_dependency(%q<rake>, [\"> 0.4\"])
      s.add_runtime_dependency(%q<jabber4r>, [\"> 0.0.0\"])
      s.add_runtime_dependency(%q<pqa>, [\"<= 0.6\", \"> 0.4\"])
    else
      s.add_dependency(%q<rake>, [\"> 0.4\"])
      s.add_dependency(%q<jabber4r>, [\"> 0.0.0\"])
      s.add_dependency(%q<pqa>, [\"<= 0.6\", \"> 0.4\"])
    end
  else
    s.add_dependency(%q<rake>, [\"> 0.4\"])
    s.add_dependency(%q<jabber4r>, [\"> 0.0.0\"])
    s.add_dependency(%q<pqa>, [\"<= 0.6\", \"> 0.4\"])
  end
end
    SPEC

    assert_equal expected, ruby_code

    same_spec = eval ruby_code

    assert_equal @c1, same_spec
  end

  def test_to_ruby_legacy
    gemspec1 = Gem::Deprecate.skip_during do
      eval LEGACY_RUBY_SPEC
    end
    ruby_code = gemspec1.to_ruby
    gemspec2 = eval ruby_code

    assert_equal gemspec1, gemspec2
  end

  def test_to_ruby_nested_hash
    metadata = {}
    metadata[metadata] = metadata

    @a2.metadata = metadata

    ruby = @a2.to_ruby

    assert_match %r%^  s\.metadata = \{ "%, ruby
  end

  def test_to_ruby_platform
    @a2.platform = Gem::Platform.local
    @a2.instance_variable_set :@original_platform, 'old_platform'

    ruby_code = @a2.to_ruby

    same_spec = eval ruby_code

    assert_equal 'old_platform', same_spec.original_platform
  end

  def test_to_yaml
    yaml_str = @a1.to_yaml

    refute_match '!!null', yaml_str

    same_spec = Gem::Specification.from_yaml(yaml_str)

    assert_equal @a1, same_spec
  end

  def test_to_yaml_fancy
    @a1.platform = Gem::Platform.local
    yaml_str = @a1.to_yaml

    same_spec = Gem::Specification.from_yaml(yaml_str)

    assert_equal Gem::Platform.local, same_spec.platform

    assert_equal @a1, same_spec
  end

  def test_to_yaml_platform_empty_string
    @a1.instance_variable_set :@original_platform, ''

    assert_match %r|^platform: ruby$|, @a1.to_yaml
  end

  def test_to_yaml_platform_legacy
    @a1.platform = 'powerpc-darwin7.9.0'
    @a1.instance_variable_set :@original_platform, 'powerpc-darwin7.9.0'

    yaml_str = @a1.to_yaml

    same_spec = YAML.load yaml_str

    assert_equal Gem::Platform.new('powerpc-darwin7'), same_spec.platform
    assert_equal 'powerpc-darwin7.9.0', same_spec.original_platform
  end

  def test_to_yaml_platform_nil
    @a1.instance_variable_set :@original_platform, nil

    assert_match %r|^platform: ruby$|, @a1.to_yaml
  end

  def test_validate
    util_setup_validate

    Dir.chdir @tempdir do
      assert @a1.validate
    end
  end

  def x s; s.gsub(/xxx/, ''); end
  def w; x "WARxxxNING"; end
  def t; x "TOxxxDO"; end
  def f; x "FxxxIXME"; end

  def test_validate_authors
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.authors = [""]

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  no author specified\n", @ui.error, 'error'

      @a1.authors = [Object.new]

      assert_equal [], @a1.authors

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal "authors may not be empty", e.message

      @a1.authors = ["#{f} (who is writing this software)"]

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not an author}, e.message

      @a1.authors = ["#{t} (who is writing this software)"]

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not an author}, e.message
    end
  end

  def test_validate_autorequire
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.autorequire = 'code'

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  deprecated autorequire specified\n",
                   @ui.error, 'error'
    end
  end

  def test_validate_dependencies
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.add_runtime_dependency     'b', '>= 1.0.rc1'
      @a1.add_development_dependency 'c', '>= 2.0.rc2'
      @a1.add_runtime_dependency     'd', '~> 1.2.3'
      @a1.add_runtime_dependency     'e', '~> 1.2.3.4'
      @a1.add_runtime_dependency     'g', '~> 1.2.3', '>= 1.2.3.4'
      @a1.add_runtime_dependency     'h', '>= 1.2.3', '<= 2'
      @a1.add_runtime_dependency     'i', '>= 1.2'
      @a1.add_runtime_dependency     'j', '>= 1.2.3'
      @a1.add_runtime_dependency     'k', '> 1.2'
      @a1.add_runtime_dependency     'l', '> 1.2.3'
      @a1.add_runtime_dependency     'm', '~> 2.1.0'
      @a1.add_runtime_dependency     'n', '~> 0.1.0'

      use_ui @ui do
        @a1.validate
      end

      expected = <<-EXPECTED
#{w}:  prerelease dependency on b (>= 1.0.rc1) is not recommended
#{w}:  prerelease dependency on c (>= 2.0.rc2, development) is not recommended
#{w}:  pessimistic dependency on d (~> 1.2.3) may be overly strict
  if d is semantically versioned, use:
    add_runtime_dependency 'd', '~> 1.2', '>= 1.2.3'
#{w}:  pessimistic dependency on e (~> 1.2.3.4) may be overly strict
  if e is semantically versioned, use:
    add_runtime_dependency 'e', '~> 1.2', '>= 1.2.3.4'
#{w}:  open-ended dependency on i (>= 1.2) is not recommended
  if i is semantically versioned, use:
    add_runtime_dependency 'i', '~> 1.2'
#{w}:  open-ended dependency on j (>= 1.2.3) is not recommended
  if j is semantically versioned, use:
    add_runtime_dependency 'j', '~> 1.2', '>= 1.2.3'
#{w}:  open-ended dependency on k (> 1.2) is not recommended
  if k is semantically versioned, use:
    add_runtime_dependency 'k', '~> 1.2', '> 1.2'
#{w}:  open-ended dependency on l (> 1.2.3) is not recommended
  if l is semantically versioned, use:
    add_runtime_dependency 'l', '~> 1.2', '> 1.2.3'
#{w}:  pessimistic dependency on m (~> 2.1.0) may be overly strict
  if m is semantically versioned, use:
    add_runtime_dependency 'm', '~> 2.1', '>= 2.1.0'
#{w}:  See http://guides.rubygems.org/specification-reference/ for help
      EXPECTED

      assert_equal expected, @ui.error, 'warning'
    end
  end

  def test_validate_dependencies_open_ended
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.add_runtime_dependency 'b', '~> 1.2'
      @a1.add_runtime_dependency 'b', '>= 1.2.3'

      use_ui @ui do
        e = assert_raises Gem::InvalidSpecificationException do
          @a1.validate
        end

        expected = <<-EXPECTED
duplicate dependency on b (>= 1.2.3), (~> 1.2) use:
    add_runtime_dependency 'b', '>= 1.2.3', '~> 1.2'
        EXPECTED

        assert_equal expected, e.message
      end

      assert_equal <<-EXPECTED, @ui.error
#{w}:  See http://guides.rubygems.org/specification-reference/ for help
      EXPECTED
    end
  end

  def test_validate_description
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.description = ''

      use_ui @ui do
        @a1.validate
      end

      @ui = Gem::MockGemUi.new
      @a1.summary = "this is my summary"
      @a1.description = @a1.summary

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  description and summary are identical\n",
                   @ui.error, "error"

      @a1.description = "#{f} (describe your package)"

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not a description}, e.message

      @a1.description = "#{t} (describe your package)"

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not a description}, e.message
    end
  end

  def test_validate_email
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.email = ""

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  no email specified\n", @ui.error, "error"

      @a1.email = "FIxxxXME (your e-mail)".sub(/xxx/, "")

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not an email}, e.message

      @a1.email = "#{t} (your e-mail)"

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not an email}, e.message
    end
  end

  def test_validate_empty
    e = assert_raises Gem::InvalidSpecificationException do
      Gem::Specification.new.validate
    end

    assert_equal 'missing value for attribute name', e.message
  end

  def test_validate_error
    assert_raises Gem::InvalidSpecificationException do
      use_ui @ui do
        Gem::Specification.new.validate
      end
    end

    assert_match 'See http://guides.rubygems.org/specification-reference/ for help', @ui.error
  end

  def test_validate_executables
    util_setup_validate

    FileUtils.mkdir_p File.join(@tempdir, 'bin')
    File.open File.join(@tempdir, 'bin', 'exec'), 'w' do end
    FileUtils.mkdir_p File.join(@tempdir, 'exec')

    use_ui @ui do
      Dir.chdir @tempdir do
        assert @a1.validate
      end
    end

    assert_equal %w[exec], @a1.executables

    assert_equal '', @ui.output, 'output'
    assert_match "#{w}:  bin/exec is missing #! line\n", @ui.error, 'error'
  end

  def test_validate_empty_require_paths
    if win_platform? then
      skip 'test_validate_empty_require_paths skipped on MS Windows (symlink)'
    else
      util_setup_validate

      @a1.require_paths = []
      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal 'specification must have at least one require_path',
                   e.message
    end
  end

  def test_validate_files
    skip 'test_validate_files skipped on MS Windows (symlink)' if win_platform?
    util_setup_validate

    @a1.files += ['lib', 'lib2']
    @a1.extensions << 'ext/a/extconf.rb'

    Dir.chdir @tempdir do
      FileUtils.ln_s 'lib/code.rb', 'lib2' unless vc_windows?

      use_ui @ui do
        @a1.validate
      end

      assert_match 'WARNING:  lib2 is a symlink, which is not supported on all platforms', @ui.error
    end

    assert_equal %w[bin/exec ext/a/extconf.rb lib/code.rb lib2 test/suite.rb].sort,
                 @a1.files
  end

  def test_validate_files_recursive
    util_setup_validate
    FileUtils.touch @a1.file_name

    @a1.files = [@a1.file_name]

    e = assert_raises Gem::InvalidSpecificationException do
      @a1.validate
    end

    assert_equal "#{@a1.full_name} contains itself (#{@a1.file_name}), check your files list",
                 e.message
  end

  def test_validate_homepage
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.homepage = nil

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  no homepage specified\n", @ui.error, 'error'

      @ui = Gem::MockGemUi.new

      @a1.homepage = ''

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  no homepage specified\n", @ui.error, 'error'

      @a1.homepage = 'over at my cool site'

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal '"over at my cool site" is not a URI', e.message
    end
  end

  def test_validate_license
    util_setup_validate

    use_ui @ui do
      @a1.licenses.clear
      @a1.validate
    end

    assert_match <<-warning, @ui.error
WARNING:  licenses is empty, but is recommended.  Use a license abbreviation from:
http://opensource.org/licenses/alphabetical
    warning
  end

  def test_validate_name
    util_setup_validate

    e = assert_raises Gem::InvalidSpecificationException do
      @a1.name = :json
      @a1.validate
    end

    assert_equal 'invalid value for attribute name: ":json"', e.message
  end

  def test_validate_non_nil
    util_setup_validate

    Dir.chdir @tempdir do
      assert @a1.validate

      Gem::Specification.non_nil_attributes.each do |name|
        next if name == :files # set by #normalize
        spec = @a1.dup
        spec.instance_variable_set "@#{name}", nil

        e = assert_raises Gem::InvalidSpecificationException do
          spec.validate
        end

        assert_match %r%^#{name}%, e.message
      end
    end
  end

  def test_validate_permissions
    skip 'chmod not supported' if Gem.win_platform?

    util_setup_validate

    Dir.chdir @tempdir do
      File.chmod 0640, File.join('lib', 'code.rb')
      File.chmod 0640, File.join('bin', 'exec')

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  lib/code.rb is not world-readable\n", @ui.error
      assert_match "#{w}:  bin/exec is not world-readable\n", @ui.error
      assert_match "#{w}:  bin/exec is not executable\n", @ui.error
    end
  end

  def test_validate_permissions_of_missing_file_non_packaging
    skip 'chmod not supported' if Gem.win_platform?

    util_setup_validate

    Dir.chdir @tempdir do
      File.delete File.join('lib', 'code.rb')

      use_ui @ui do
        assert @a1.validate(false)
      end
    end
  end

  def test_validate_platform_legacy
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.platform = 'mswin32'
      assert @a1.validate

      @a1.platform = 'i586-linux'
      assert @a1.validate

      @a1.platform = 'powerpc-darwin'
      assert @a1.validate
    end
  end

  def test_validate_rubygems_version
    util_setup_validate

    @a1.rubygems_version = "3"
    e = assert_raises Gem::InvalidSpecificationException do
      @a1.validate
    end

    assert_equal "expected RubyGems version #{Gem::VERSION}, was 3",
                 e.message
  end

  def test_validate_specification_version
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.specification_version = '1.0'

      e = assert_raises Gem::InvalidSpecificationException do
        use_ui @ui do
          @a1.validate
        end
      end

      err = 'specification_version must be a Fixnum (did you mean version?)'
      assert_equal err, e.message
    end
  end

  def test_validate_summary
    util_setup_validate

    Dir.chdir @tempdir do
      @a1.summary = ''

      use_ui @ui do
        @a1.validate
      end

      assert_match "#{w}:  no summary specified\n", @ui.error, 'error'

      @a1.summary = "#{f} (describe your package)"

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not a summary}, e.message

      @a1.summary = "#{t} (describe your package)"

      e = assert_raises Gem::InvalidSpecificationException do
        @a1.validate
      end

      assert_equal %{"#{f}" or "#{t}" is not a summary}, e.message
    end
  end

  def test_validate_warning
    util_setup_validate

    use_ui @ui do
      @a1.licenses.clear
      @a1.validate
    end

    assert_match 'See http://guides.rubygems.org/specification-reference/ for help', @ui.error
  end

  def test_version
    assert_equal Gem::Version.new('1'), @a1.version
  end

  def test_version_change_reset_full_name
    orig_full_name = @a1.full_name

    @a1.version = "2"

    refute_equal orig_full_name, @a1.full_name
  end

  def test_version_change_reset_cache_file
    orig_cache_file = @a1.cache_file

    @a1.version = "2"

    refute_equal orig_cache_file, @a1.cache_file
  end

  def test__load_fixes_Date_objects
    spec = new_spec "a", 1
    spec.instance_variable_set :@date, Date.today

    spec = Marshal.load Marshal.dump(spec)

    assert_kind_of Time, spec.date
  end

  def test_load_errors_contain_filename
    specfile = Tempfile.new(self.class.name.downcase)
    specfile.write "raise 'boom'"
    specfile.close
    begin
      capture_io do
        Gem::Specification.load(specfile.path)
      end
    rescue => e
      name_rexp = Regexp.new(Regexp.escape(specfile.path))
      assert e.backtrace.grep(name_rexp).any?
    end
  ensure
    specfile.delete
  end

  ##
  # KEEP p-1-x86-darwin-8
  # KEEP p-1
  # KEEP c-1.2
  # KEEP a_evil-9
  #      a-1
  #      a-1-x86-my_platform-1
  # KEEP a-2
  #      a-2-x86-other_platform-1
  # KEEP a-2-x86-my_platform-1
  #      a-3.a
  # KEEP a-3-x86-other_platform-1

  def test_latest_specs
    spec_fetcher do |fetcher|
      fetcher.spec 'a', 1 do |s|
        s.platform = Gem::Platform.new 'x86-my_platform1'
      end

      fetcher.spec 'a', 2

      fetcher.spec 'a', 2 do |s|
        s.platform = Gem::Platform.new 'x86-my_platform1'
      end

      fetcher.spec 'a', 2 do |s|
        s.platform = Gem::Platform.new 'x86-other_platform1'
      end

      fetcher.spec 'a', 3 do |s|
        s.platform = Gem::Platform.new 'x86-other_platform1'
      end
    end

    expected = %W[
                  a-2
                  a-2-x86-my_platform-1
                  a-3-x86-other_platform-1
                 ]

    latest_specs = Gem::Specification.latest_specs.map(&:full_name).sort

    assert_equal expected, latest_specs
  end

  def test_metadata_validates_ok
    util_setup_validate

    Dir.chdir @tempdir do
      @m1 = quick_gem 'm', '1' do |s|
        s.files = %w[lib/code.rb]
        s.metadata = { 'one' => "two", 'two' => "three" }
      end

      use_ui @ui do
        @m1.validate
      end
    end
  end

  def test_metadata_key_type_validation_fails
    util_setup_validate

    Dir.chdir @tempdir do
      @m2 = quick_gem 'm', '2' do |s|
        s.files = %w[lib/code.rb]
        s.metadata = { 1 => "fail" }
      end

      e = assert_raises Gem::InvalidSpecificationException do
        @m2.validate
      end

      assert_equal "metadata keys must be a String", e.message
    end
  end

  def test_metadata_key_size_validation_fails
    util_setup_validate

    Dir.chdir @tempdir do
      @m2 = quick_gem 'm', '2' do |s|
        s.files = %w[lib/code.rb]
        s.metadata = { ("x" * 129) => "fail" }
      end

      e = assert_raises Gem::InvalidSpecificationException do
        @m2.validate
      end

      assert_equal "metadata key too large (129 > 128)", e.message
    end
  end

  def test_metadata_value_type_validation_fails
    util_setup_validate

    Dir.chdir @tempdir do
      @m2 = quick_gem 'm', '2' do |s|
        s.files = %w[lib/code.rb]
        s.metadata = { 'fail' => [] }
      end

      e = assert_raises Gem::InvalidSpecificationException do
        @m2.validate
      end

      assert_equal "metadata values must be a String", e.message
    end
  end

  def test_metadata_value_size_validation_fails
    util_setup_validate

    Dir.chdir @tempdir do
      @m2 = quick_gem 'm', '2' do |s|
        s.files = %w[lib/code.rb]
        s.metadata = { 'fail' => ("x" * 1025) }
      end

      e = assert_raises Gem::InvalidSpecificationException do
        @m2.validate
      end

      assert_equal "metadata value too large (1025 > 1024)", e.message
    end
  end

  def test_metadata_specs
    valid_ruby_spec = <<-EOF
# -*- encoding: utf-8 -*-
# stub: m 1 ruby lib

Gem::Specification.new do |s|
  s.name = "m"
  s.version = "1"

  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
  s.metadata = { "one" => "two", "two" => "three" } if s.respond_to? :metadata=
  s.require_paths = ["lib"]
  s.authors = ["A User"]
  s.date = "#{Gem::Specification::TODAY.strftime("%Y-%m-%d")}"
  s.description = "This is a test description"
  s.email = "example@example.com"
  s.files = ["lib/code.rb"]
  s.homepage = "http://example.com"
  s.rubygems_version = "#{Gem::VERSION}"
  s.summary = "this is a summary"
end
    EOF

    @m1 = quick_gem 'm', '1' do |s|
      s.files = %w[lib/code.rb]
      s.metadata = { 'one' => "two", 'two' => "three" }
    end

    assert_equal @m1.to_ruby, valid_ruby_spec
  end

  def test_missing_extensions_eh
    ext_spec

    assert @ext.missing_extensions?

    extconf_rb = File.join @ext.gem_dir, @ext.extensions.first
    FileUtils.mkdir_p File.dirname extconf_rb

    open extconf_rb, 'w' do |f|
      f.write <<-'RUBY'
        open 'Makefile', 'w' do |f|
          f.puts "clean:\n\techo clean"
          f.puts "default:\n\techo built"
          f.puts "install:\n\techo installed"
        end
      RUBY
    end

    @ext.build_extensions

    refute @ext.missing_extensions?
  end

  def test_missing_extensions_eh_default_gem
    spec = new_default_spec 'default', 1
    spec.extensions << 'extconf.rb'

    refute spec.missing_extensions?
  end

  def test_missing_extensions_eh_legacy
    ext_spec

    @ext.installed_by_version = v '2.2.0.preview.2'

    assert @ext.missing_extensions?

    @ext.installed_by_version = v '2.2.0.preview.1'

    refute @ext.missing_extensions?
  end

  def test_missing_extensions_eh_none
    refute @a1.missing_extensions?
  end

  def test_find_by_name
    install_specs util_spec "a"
    install_specs util_spec "a", 1

    assert Gem::Specification.find_by_name "a"
    assert Gem::Specification.find_by_name "a", "1"
    assert Gem::Specification.find_by_name "a", ">1"

    assert_raises Gem::LoadError do
      Gem::Specification.find_by_name "monkeys"
    end
  end

  def test_find_by_name_prerelease
    b = util_spec "b", "2.a"

    b.activate

    install_specs b

    assert Gem::Specification.find_by_name "b"

    assert_raises Gem::LoadError do
      Gem::Specification.find_by_name "b", "1"
    end

    assert Gem::Specification.find_by_name "b", ">1"
  end

  def test_find_by_path
    a = new_spec "foo", "1", nil, "lib/foo.rb"

    install_specs a

    assert_equal a, Gem::Specification.find_by_path('foo')
    a.activate
    assert_equal a, Gem::Specification.find_by_path('foo')
  end

  def test_find_inactive_by_path
    a = new_spec "foo", "1", nil, "lib/foo.rb"

    install_specs a

    assert_equal a, Gem::Specification.find_inactive_by_path('foo')
    a.activate
    assert_equal nil, Gem::Specification.find_inactive_by_path('foo')
  end

  def test_load_default_gem
    Gem::Specification.reset
    assert_equal [], Gem::Specification.map(&:full_name)

    default_gem_spec = new_default_spec("default", "2.0.0.0",
                                        nil, "default/gem.rb")
    spec_path = File.join(@default_spec_dir, default_gem_spec.spec_name)
    write_file(spec_path) do |file|
      file.print(default_gem_spec.to_ruby)
    end
    Gem::Specification.reset
    assert_equal ["default-2.0.0.0"], Gem::Specification.map(&:full_name)
  end

  def test_detect_bundled_gem_in_old_ruby
    util_set_RUBY_VERSION '1.9.3', 551

    spec = new_spec 'bigdecimal', '1.1.0' do |s|
      s.summary = "This bigdecimal is bundled with Ruby"
    end

    assert spec.bundled_gem_in_old_ruby?
  ensure
    util_restore_RUBY_VERSION
  end

  def util_setup_deps
    @gem = util_spec "awesome", "1.0" do |awesome|
      awesome.add_runtime_dependency "bonobo", []
      awesome.add_development_dependency "monkey", []
    end

    @bonobo = Gem::Dependency.new("bonobo", [])
    @monkey = Gem::Dependency.new("monkey", [], :development)
  end

  def util_setup_validate
    Dir.chdir @tempdir do
      FileUtils.mkdir_p File.join("ext", "a")
      FileUtils.mkdir_p "lib"
      FileUtils.mkdir_p "test"
      FileUtils.mkdir_p "bin"

      FileUtils.touch File.join("ext", "a", "extconf.rb")
      FileUtils.touch File.join("lib", "code.rb")
      FileUtils.touch File.join("test", "suite.rb")

      File.open "bin/exec", "w", 0755 do |fp|
        fp.puts "#!#{Gem.ruby}"
      end
    end
  end

  def with_syck
    begin
      verbose, $VERBOSE = $VERBOSE, nil
      require "yaml"
      old_engine = YAML::ENGINE.yamler
      YAML::ENGINE.yamler = 'syck'
      load 'rubygems/syck_hack.rb'
    rescue NameError
      # probably on 1.8, ignore
    ensure
      $VERBOSE = verbose
    end

    yield
  ensure
    begin
      YAML::ENGINE.yamler = old_engine
      load 'rubygems/syck_hack.rb'
    rescue NameError
      # ignore
    end
  end

  def with_psych
    begin
      require "yaml"
      old_engine = YAML::ENGINE.yamler
      YAML::ENGINE.yamler = 'psych'
      load 'rubygems/syck_hack.rb'
    rescue NameError
      # probably on 1.8, ignore
    end

    yield
  ensure
    begin
      YAML::ENGINE.yamler = old_engine
      load 'rubygems/syck_hack.rb'
    rescue NameError
      # ignore
    end
  end

  def silence_warnings
    old_verbose, $VERBOSE = $VERBOSE, false
    yield
  ensure
    $VERBOSE = old_verbose
  end
end