* 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, 80 insertions, 0 deletions

diff --git a/test/rake/test_rake_definitions.rb b/test/rake/test_rake_definitions.rb
new file mode 100644
index 0000000000..839c40419e
--- /dev/null
+++ b/test/rake/test_rake_definitions.rb
@@ -0,0 +1,80 @@
+require File.expand_path('../helper', __FILE__)
+require 'fileutils'
+
+class TestRakeDefinitions < Rake::TestCase
+  include Rake
+
+  EXISTINGFILE = "existing"
+
+  def setup
+    super
+
+    Task.clear
+  end
+
+  def test_task
+    done = false
+    task :one => [:two] do done = true end
+    task :two
+    task :three => [:one, :two]
+    check_tasks(:one, :two, :three)
+    assert done, "Should be done"
+  end
+
+  def test_file_task
+    done = false
+    file "one" => "two" do done = true end
+    file "two"
+    file "three" => ["one", "two"]
+    check_tasks("one", "two", "three")
+    assert done, "Should be done"
+  end
+
+  def check_tasks(n1, n2, n3)
+    t = Task[n1]
+    assert Task === t, "Should be a Task"
+    assert_equal n1.to_s, t.name
+    assert_equal [n2.to_s], t.prerequisites.collect{|n| n.to_s}
+    t.invoke
+    t2 = Task[n2]
+    assert_equal FileList[], t2.prerequisites
+    t3 = Task[n3]
+    assert_equal [n1.to_s, n2.to_s], t3.prerequisites.collect{|n|n.to_s}
+  end
+
+  def test_incremental_definitions
+    runs = []
+    task :t1 => [:t2] do runs << "A"; 4321 end
+    task :t1 => [:t3] do runs << "B"; 1234 end
+    task :t1 => [:t3]
+    task :t2
+    task :t3
+    Task[:t1].invoke
+    assert_equal ["A", "B"], runs
+    assert_equal ["t2", "t3"], Task[:t1].prerequisites
+  end
+
+  def test_missing_dependencies
+    task :x => ["missing"]
+    assert_raises(RuntimeError) { Task[:x].invoke }
+  end
+
+  def test_implicit_file_dependencies
+    runs = []
+    create_existing_file
+    task :y => [EXISTINGFILE] do |t| runs << t.name end
+    Task[:y].invoke
+    assert_equal runs, ['y']
+  end
+
+  private # ----------------------------------------------------------
+
+  def create_existing_file
+    Dir.mkdir File.dirname(EXISTINGFILE) unless
+      File.exist?(File.dirname(EXISTINGFILE))
+    open(EXISTINGFILE, "w") do |f| f.puts "HI" end unless
+      File.exist?(EXISTINGFILE)
+  end
+
+end
+