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#!/usr/bin/env ruby
require 'test/unit'
require 'rake'
require 'test/rake_test_setup'
######################################################################
class TestAnEmptyInvocationChain < Test::Unit::TestCase
include TestMethods
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
include TestMethods
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_exception 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
include TestMethods
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_exception RuntimeError do
@chain.append(@first_member)
end
assert_match(/A.*=>.*B.*=>.*A/, ex.message)
end
end
|
