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require 'rubygems/test_case'
require 'rubygems/request_set'
class TestGemRequestSet < Gem::TestCase
def setup
super
Gem::RemoteFetcher.fetcher = @fetcher = Gem::FakeFetcher.new
@DR = Gem::DependencyResolver
end
def test_gem
util_spec "a", "2"
rs = Gem::RequestSet.new
rs.gem "a", "= 2"
assert_equal [Gem::Dependency.new("a", "=2")], rs.dependencies
end
def test_gem_duplicate
rs = Gem::RequestSet.new
rs.gem 'a', '1'
rs.gem 'a', '2'
assert_equal [dep('a', '= 1', '= 2')], rs.dependencies
end
def test_import
rs = Gem::RequestSet.new
rs.gem 'a'
rs.import [dep('b')]
assert_equal [dep('a'), dep('b')], rs.dependencies
end
def test_install_from_gemdeps
spec_fetcher do |fetcher|
fetcher.gem 'a', 2
end
rs = Gem::RequestSet.new
installed = []
Tempfile.open 'gem.deps.rb' do |io|
io.puts 'gem "a"'
io.flush
rs.install_from_gemdeps :gemdeps => io.path do |req, installer|
installed << req.full_name
end
end
assert_includes installed, 'a-2'
end
def test_load_gemdeps
rs = Gem::RequestSet.new
Tempfile.open 'gem.deps.rb' do |io|
io.puts 'gem "a"'
io.flush
rs.load_gemdeps io.path
end
assert_equal [dep('a')], rs.dependencies
assert rs.vendor_set
end
def test_load_gemdeps_without_groups
rs = Gem::RequestSet.new
Tempfile.open 'gem.deps.rb' do |io|
io.puts 'gem "a", :group => :test'
io.flush
rs.load_gemdeps io.path, [:test]
end
assert_empty rs.dependencies
end
def test_resolve
a = util_spec "a", "2", "b" => ">= 2"
b = util_spec "b", "2"
rs = Gem::RequestSet.new
rs.gem "a"
res = rs.resolve StaticSet.new([a, b])
assert_equal 2, res.size
names = res.map { |s| s.full_name }.sort
assert_equal ["a-2", "b-2"], names
end
def test_resolve_incompatible
a1 = util_spec 'a', 1
a2 = util_spec 'a', 2
rs = Gem::RequestSet.new
rs.gem 'a', '= 1'
rs.gem 'a', '= 2'
set = StaticSet.new [a1, a2]
assert_raises Gem::UnsatisfiableDependencyError do
rs.resolve set
end
end
def test_resolve_vendor
a_name, _, a_directory = vendor_gem 'a', 1 do |s|
s.add_dependency 'b', '~> 2.0'
end
b_name, _, b_directory = vendor_gem 'b', 2
rs = Gem::RequestSet.new
Tempfile.open 'gem.deps.rb' do |io|
io.puts <<-gems_deps_rb
gem "#{a_name}", :path => "#{a_directory}"
gem "#{b_name}", :path => "#{b_directory}"
gems_deps_rb
io.flush
rs.load_gemdeps io.path
end
res = rs.resolve
assert_equal 2, res.size
names = res.map { |s| s.full_name }.sort
assert_equal ["a-1", "b-2"], names
assert_equal [@DR::IndexSet, @DR::VendorSet],
rs.sets.map { |set| set.class }
end
def test_sorted_requests
a = util_spec "a", "2", "b" => ">= 2"
b = util_spec "b", "2", "c" => ">= 2"
c = util_spec "c", "2"
rs = Gem::RequestSet.new
rs.gem "a"
rs.resolve StaticSet.new([a, b, c])
names = rs.sorted_requests.map { |s| s.full_name }
assert_equal %w!c-2 b-2 a-2!, names
end
def test_install
spec_fetcher do |fetcher|
fetcher.gem "a", "1", "b" => "= 1"
fetcher.gem "b", "1"
fetcher.clear
end
rs = Gem::RequestSet.new
rs.gem 'a'
rs.resolve
reqs = []
installers = []
installed = rs.install({}) do |req, installer|
reqs << req
installers << installer
end
assert_equal %w[b-1 a-1], reqs.map { |req| req.full_name }
assert_equal %w[b-1 a-1],
installers.map { |installer| installer.spec.full_name }
assert_path_exists File.join @gemhome, 'specifications', 'a-1.gemspec'
assert_path_exists File.join @gemhome, 'specifications', 'b-1.gemspec'
assert_equal %w[b-1 a-1], installed.map { |s| s.full_name }
end
def test_install_into
spec_fetcher do |fetcher|
fetcher.gem "a", "1", "b" => "= 1"
fetcher.gem "b", "1"
end
rs = Gem::RequestSet.new
rs.gem "a"
rs.resolve
installed = rs.install_into @tempdir
assert_path_exists File.join @tempdir, 'specifications', 'a-1.gemspec'
assert_path_exists File.join @tempdir, 'specifications', 'b-1.gemspec'
assert_equal %w!b-1 a-1!, installed.map { |s| s.full_name }
end
end
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