* lib/rake: Import Rake 0.9.2

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 271 insertions, 0 deletions

diff --git a/test/rake/test_rake_task.rb b/test/rake/test_rake_task.rb
new file mode 100644
index 0000000000..ebbcb2ac2d
--- /dev/null
+++ b/test/rake/test_rake_task.rb
@@ -0,0 +1,271 @@
+require File.expand_path('../helper', __FILE__)
+require 'fileutils'
+
+class TestRakeTask < Rake::TestCase
+  include Rake
+
+  def setup
+    super
+
+    Task.clear
+    Rake::TaskManager.record_task_metadata = true
+  end
+
+  def teardown
+    Rake::TaskManager.record_task_metadata = false
+
+    super
+  end
+
+  def test_create
+    arg = nil
+    t = task(:name) { |task| arg = task; 1234 }
+    assert_equal "name", t.name
+    assert_equal [], t.prerequisites
+    assert t.needed?
+    t.execute(0)
+    assert_equal t, arg
+    assert_nil t.source
+    assert_equal [], t.sources
+    assert_equal 1, t.locations.size
+    assert_match(/#{Regexp.quote(__FILE__)}/, t.locations.first)
+  end
+
+  def test_inspect
+#    t = task(:foo, :needs => [:bar, :baz])
+    t = task(:foo => [:bar, :baz])
+    assert_equal "<Rake::Task foo => [bar, baz]>", t.inspect
+  end
+
+  def test_invoke
+    runlist = []
+    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
+    t2 = task(:t2) { |t| runlist << t.name }
+    t3 = task(:t3) { |t| runlist << t.name }
+    assert_equal ["t2", "t3"], t1.prerequisites
+    t1.invoke
+    assert_equal ["t2", "t3", "t1"], runlist
+  end
+
+  def test_invoke_with_circular_dependencies
+    runlist = []
+    t1 = task(:t1 => [:t2]) { |t| runlist << t.name; 3321 }
+    t2 = task(:t2 => [:t1]) { |t| runlist << t.name }
+    assert_equal ["t2"], t1.prerequisites
+    assert_equal ["t1"], t2.prerequisites
+    ex = assert_raises RuntimeError do
+      t1.invoke
+    end
+    assert_match(/circular dependency/i, ex.message)
+    assert_match(/t1 => t2 => t1/, ex.message)
+  end
+
+  def test_dry_run_prevents_actions
+    Rake.application.options.dryrun = true
+    runlist = []
+    t1 = task(:t1) { |t| runlist << t.name; 3321 }
+    _, err = capture_io { t1.invoke }
+    assert_match(/execute .*t1/i, err)
+    assert_match(/dry run/i, err)
+    refute_match(/invoke/i, err)
+    assert_equal [], runlist
+  ensure
+    Rake.application.options.dryrun = false
+  end
+
+  def test_tasks_can_be_traced
+    Rake.application.options.trace = true
+    t1 = task(:t1)
+    _, err = capture_io {
+      t1.invoke
+    }
+    assert_match(/invoke t1/i, err)
+    assert_match(/execute t1/i, err)
+  ensure
+    Rake.application.options.trace = false
+  end
+
+  def test_no_double_invoke
+    runlist = []
+    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
+    t2 = task(:t2 => [:t3]) { |t| runlist << t.name }
+    t3 = task(:t3) { |t| runlist << t.name }
+    t1.invoke
+    assert_equal ["t3", "t2", "t1"], runlist
+  end
+
+  def test_can_double_invoke_with_reenable
+    runlist = []
+    t1 = task(:t1) { |t| runlist << t.name }
+    t1.invoke
+    t1.reenable
+    t1.invoke
+    assert_equal ["t1", "t1"], runlist
+  end
+
+  def test_clear
+    t = task("t" => "a") { }
+    t.clear
+    assert t.prerequisites.empty?, "prerequisites should be empty"
+    assert t.actions.empty?, "actions should be empty"
+  end
+
+  def test_clear_prerequisites
+    t = task("t" => ["a", "b"])
+    assert_equal ['a', 'b'], t.prerequisites
+    t.clear_prerequisites
+    assert_equal [], t.prerequisites
+  end
+
+  def test_clear_actions
+    t = task("t") { }
+    t.clear_actions
+    assert t.actions.empty?, "actions should be empty"
+  end
+
+  def test_find
+    task :tfind
+    assert_equal "tfind", Task[:tfind].name
+    ex = assert_raises(RuntimeError) { Task[:leaves] }
+    assert_equal "Don't know how to build task 'leaves'", ex.message
+  end
+
+  def test_defined
+    assert ! Task.task_defined?(:a)
+    task :a
+    assert Task.task_defined?(:a)
+  end
+
+  def test_multi_invocations
+    runs = []
+    p = proc do |t| runs << t.name end
+    task({:t1=>[:t2,:t3]}, &p)
+    task({:t2=>[:t3]}, &p)
+    task(:t3, &p)
+    Task[:t1].invoke
+    assert_equal ["t1", "t2", "t3"], runs.sort
+  end
+
+  def test_task_list
+    task :t2
+    task :t1 => [:t2]
+    assert_equal ["t1", "t2"], Task.tasks.collect {|t| t.name}
+  end
+
+  def test_task_gives_name_on_to_s
+    task :abc
+    assert_equal "abc", Task[:abc].to_s
+  end
+
+  def test_symbols_can_be_prerequisites
+    task :a => :b
+    assert_equal ["b"], Task[:a].prerequisites
+  end
+
+  def test_strings_can_be_prerequisites
+    task :a => "b"
+    assert_equal ["b"], Task[:a].prerequisites
+  end
+
+  def test_arrays_can_be_prerequisites
+    task :a => ["b", "c"]
+    assert_equal ["b", "c"], Task[:a].prerequisites
+  end
+
+  def test_filelists_can_be_prerequisites
+    task :a => FileList.new.include("b", "c")
+    assert_equal ["b", "c"], Task[:a].prerequisites
+  end
+
+  def test_prerequiste_tasks_returns_tasks_not_strings
+    a = task :a => ["b", "c"]
+    b = task :b
+    c = task :c
+    assert_equal [b, c], a.prerequisite_tasks
+  end
+
+  def test_prerequiste_tasks_fails_if_prerequisites_are_undefined
+    a = task :a => ["b", "c"]
+    b = task :b
+    assert_raises(RuntimeError) do
+      a.prerequisite_tasks
+    end
+  end
+
+  def test_prerequiste_tasks_honors_namespaces
+    a = b = nil
+    namespace "X" do
+      a = task :a => ["b", "c"]
+      b = task :b
+    end
+    c = task :c
+
+    assert_equal [b, c], a.prerequisite_tasks
+  end
+
+  def test_timestamp_returns_now_if_all_prereqs_have_no_times
+    a = task :a => ["b", "c"]
+    b = task :b
+    c = task :c
+
+    faux_stamp = 100
+    flexmock(Time, :now => faux_stamp)
+
+    assert_equal faux_stamp, a.timestamp
+  end
+
+  def test_timestamp_returns_latest_prereq_timestamp
+    a = task :a => ["b", "c"]
+    b = task :b
+    c = task :c
+
+    faux_stamp = 100
+    flexmock(Time, :now => faux_stamp-10)
+    flexmock(b, :timestamp => faux_stamp - 1)
+    flexmock(c, :timestamp => faux_stamp)
+
+    assert_equal faux_stamp, a.timestamp
+  end
+
+  def test_investigation_output
+    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
+    task(:t2)
+    task(:t3)
+    out = t1.investigation
+    assert_match(/class:\s*Rake::Task/, out)
+    assert_match(/needed:\s*true/, out)
+    assert_match(/pre-requisites:\s*--t[23]/, out)
+  end
+
+
+  def test_extended_comments
+    desc %{
+      This is a comment.
+
+      And this is the extended comment.
+      name -- Name of task to execute.
+      rev  -- Software revision to use.
+    }
+    t = task(:t, :name, :rev)
+    assert_equal "[name,rev]", t.arg_description
+    assert_equal "This is a comment.", t.comment
+    assert_match(/^\s*name -- Name/, t.full_comment)
+    assert_match(/^\s*rev  -- Software/, t.full_comment)
+    assert_match(/\A\s*This is a comment\.$/, t.full_comment)
+  end
+
+  def test_multiple_comments
+    desc "line one"
+    t = task(:t)
+    desc "line two"
+    task(:t)
+    assert_equal "line one / line two", t.comment
+  end
+
+  def test_settable_comments
+    t = task(:t)
+    t.comment = "HI"
+    assert_equal "HI", t.comment
+  end
+end
+