* lib/rake: Import Rake 0.9.2

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

test/rake/test_rake_task_with_arguments.rb

@@ -0,0 +1,162 @@
+require File.expand_path('../helper', __FILE__)
+
+class TestRakeTaskWithArguments < 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_no_args_given
+    t = task :t
+    assert_equal [], t.arg_names
+  end
+
+  def test_args_given
+    t = task :t, :a, :b
+    assert_equal [:a, :b], t.arg_names
+  end
+
+  def test_name_and_needs
+    t = task(:t => [:pre])
+    assert_equal "t", t.name
+    assert_equal [], t.arg_names
+    assert_equal ["pre"], t.prerequisites
+  end
+
+  def test_name_args_and_explicit_needs
+    ignore_deprecations do
+      t = task(:t, :x, :y, :needs => [:pre])
+      assert_equal "t", t.name
+      assert_equal [:x, :y], t.arg_names
+      assert_equal ["pre"], t.prerequisites
+    end
+  end
+
+  def test_illegal_keys_in_task_name_hash
+    ignore_deprecations do
+      assert_raises RuntimeError do
+        t = task(:t, :x, :y => 1, :needs => [:pre])
+      end
+    end
+  end
+
+  def test_arg_list_is_empty_if_no_args_given
+    t = task(:t) { |tt, args| assert_equal({}, args.to_hash) }
+    t.invoke(1, 2, 3)
+  end
+
+  def test_tasks_can_access_arguments_as_hash
+    t = task :t, :a, :b, :c do |tt, args|
+      assert_equal({:a => 1, :b => 2, :c => 3}, args.to_hash)
+      assert_equal 1, args[:a]
+      assert_equal 2, args[:b]
+      assert_equal 3, args[:c]
+      assert_equal 1, args.a
+      assert_equal 2, args.b
+      assert_equal 3, args.c
+    end
+    t.invoke(1, 2, 3)
+  end
+
+  def test_actions_of_various_arity_are_ok_with_args
+    notes = []
+    t = task(:t, :x) do
+      notes << :a
+    end
+    t.enhance do | |
+      notes << :b
+    end
+    t.enhance do |task|
+      notes << :c
+      assert_kind_of Task, task
+    end
+    t.enhance do |t2, args|
+      notes << :d
+      assert_equal t, t2
+      assert_equal({:x => 1}, args.to_hash)
+    end
+    t.invoke(1)
+    assert_equal [:a, :b, :c, :d], notes
+  end
+
+  def test_arguments_are_passed_to_block
+    t = task(:t, :a, :b) { |tt, args|
+      assert_equal( { :a => 1, :b => 2 }, args.to_hash )
+    }
+    t.invoke(1, 2)
+  end
+
+  def test_extra_parameters_are_ignored
+    t = task(:t, :a) { |tt, args|
+      assert_equal 1, args.a
+      assert_nil args.b
+    }
+    t.invoke(1, 2)
+  end
+
+  def test_arguments_are_passed_to_all_blocks
+    counter = 0
+    t = task :t, :a
+    task :t do |tt, args|
+      assert_equal 1, args.a
+      counter += 1
+    end
+    task :t do |tt, args|
+      assert_equal 1, args.a
+      counter += 1
+    end
+    t.invoke(1)
+    assert_equal 2, counter
+  end
+
+  def test_block_with_no_parameters_is_ok
+    t = task(:t) { }
+    t.invoke(1, 2)
+  end
+
+  def test_name_with_args
+    desc "T"
+    t = task(:tt, :a, :b)
+    assert_equal "tt", t.name
+    assert_equal "T", t.comment
+    assert_equal "[a,b]", t.arg_description
+    assert_equal "tt[a,b]", t.name_with_args
+    assert_equal [:a, :b],t.arg_names
+  end
+
+  def test_named_args_are_passed_to_prereqs
+    value = nil
+    pre = task(:pre, :rev) { |t, args| value = args.rev }
+    t = task(:t, [:name, :rev] => [:pre])
+    t.invoke("bill", "1.2")
+    assert_equal "1.2", value
+  end
+
+  def test_args_not_passed_if_no_prereq_names
+    pre = task(:pre) { |t, args|
+      assert_equal({}, args.to_hash)
+      assert_equal "bill", args.name
+    }
+    t = task(:t, [:name, :rev] => [:pre])
+    t.invoke("bill", "1.2")
+  end
+
+  def test_args_not_passed_if_no_arg_names
+    pre = task(:pre, :rev) { |t, args|
+      assert_equal({}, args.to_hash)
+    }
+    t = task(:t  => [:pre])
+    t.invoke("bill", "1.2")
+  end
+end
+