diff options
Diffstat (limited to 'test/rake/test_invocation_chain.rb')
-rw-r--r-- | test/rake/test_invocation_chain.rb | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/test/rake/test_invocation_chain.rb b/test/rake/test_invocation_chain.rb new file mode 100644 index 0000000000..a5843bfd2a --- /dev/null +++ b/test/rake/test_invocation_chain.rb @@ -0,0 +1,75 @@ +require 'test/unit' +require 'rake' + +###################################################################### +class TestAnEmptyInvocationChain < Test::Unit::TestCase + + def setup + @empty = Rake::InvocationChain::EMPTY + end + + def test_should_be_able_to_add_members + assert_nothing_raised do + @empty.append("A") + end + end + + def test_to_s + assert_equal "TOP", @empty.to_s + end +end + +###################################################################### +class TestAnInvocationChainWithOneMember < Test::Unit::TestCase + + def setup + @empty = Rake::InvocationChain::EMPTY + @first_member = "A" + @chain = @empty.append(@first_member) + end + + def test_should_report_first_member_as_a_member + assert @chain.member?(@first_member) + end + + def test_should_fail_when_adding_original_member + ex = assert_raise RuntimeError do + @chain.append(@first_member) + end + assert_match(/circular +dependency/i, ex.message) + assert_match(/A.*=>.*A/, ex.message) + end + + def test_to_s + assert_equal "TOP => A", @chain.to_s + end + +end + +###################################################################### +class TestAnInvocationChainWithMultipleMember < Test::Unit::TestCase + + def setup + @first_member = "A" + @second_member = "B" + ch = Rake::InvocationChain::EMPTY.append(@first_member) + @chain = ch.append(@second_member) + end + + def test_should_report_first_member_as_a_member + assert @chain.member?(@first_member) + end + + def test_should_report_second_member_as_a_member + assert @chain.member?(@second_member) + end + + def test_should_fail_when_adding_original_member + ex = assert_raise RuntimeError do + @chain.append(@first_member) + end + assert_match(/A.*=>.*B.*=>.*A/, ex.message) + end +end + + |