diff options
Diffstat (limited to 'activesupport/test/test_case_test.rb')
| -rw-r--r-- | activesupport/test/test_case_test.rb | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/activesupport/test/test_case_test.rb b/activesupport/test/test_case_test.rb new file mode 100644 index 0000000000..151b623171 --- /dev/null +++ b/activesupport/test/test_case_test.rb @@ -0,0 +1,219 @@ +require 'abstract_unit' + +class AssertDifferenceTest < ActiveSupport::TestCase + def setup + @object = Class.new do + attr_accessor :num + def increment + self.num += 1 + end + + def decrement + self.num -= 1 + end + end.new + @object.num = 0 + end + + def test_assert_not + assert_equal true, assert_not(nil) + assert_equal true, assert_not(false) + + e = assert_raises(Minitest::Assertion) { assert_not true } + assert_equal 'Expected true to be nil or false', e.message + + e = assert_raises(Minitest::Assertion) { assert_not true, 'custom' } + assert_equal 'custom', e.message + end + + def test_assert_no_difference_pass + assert_no_difference '@object.num' do + # ... + end + end + + def test_assert_no_difference_fail + error = assert_raises(Minitest::Assertion) do + assert_no_difference '@object.num' do + @object.increment + end + end + assert_equal "\"@object.num\" didn't change by 0.\nExpected: 0\n Actual: 1", error.message + end + + def test_assert_no_difference_with_message_fail + error = assert_raises(Minitest::Assertion) do + assert_no_difference '@object.num', 'Object Changed' do + @object.increment + end + end + assert_equal "Object Changed.\n\"@object.num\" didn't change by 0.\nExpected: 0\n Actual: 1", error.message + end + + def test_assert_difference + assert_difference '@object.num', +1 do + @object.increment + end + end + + def test_assert_difference_with_implicit_difference + assert_difference '@object.num' do + @object.increment + end + end + + def test_arbitrary_expression + assert_difference '@object.num + 1', +2 do + @object.increment + @object.increment + end + end + + def test_negative_differences + assert_difference '@object.num', -1 do + @object.decrement + end + end + + def test_expression_is_evaluated_in_the_appropriate_scope + silence_warnings do + local_scope = local_scope = 'foo' + assert_difference('local_scope; @object.num') { @object.increment } + end + end + + def test_array_of_expressions + assert_difference [ '@object.num', '@object.num + 1' ], +1 do + @object.increment + end + end + + def test_array_of_expressions_identify_failure + assert_raises(Minitest::Assertion) do + assert_difference ['@object.num', '1 + 1'] do + @object.increment + end + end + end + + def test_array_of_expressions_identify_failure_when_message_provided + assert_raises(Minitest::Assertion) do + assert_difference ['@object.num', '1 + 1'], 1, 'something went wrong' do + @object.increment + end + end + end +end + +class AlsoDoingNothingTest < ActiveSupport::TestCase +end + +# Setup and teardown callbacks. +class SetupAndTeardownTest < ActiveSupport::TestCase + setup :reset_callback_record, :foo + teardown :foo, :sentinel + + def test_inherited_setup_callbacks + assert_equal [:reset_callback_record, :foo], self.class._setup_callbacks.map(&:raw_filter) + assert_equal [:foo], @called_back + assert_equal [:foo, :sentinel], self.class._teardown_callbacks.map(&:raw_filter) + end + + def setup + end + + def teardown + end + + protected + + def reset_callback_record + @called_back = [] + end + + def foo + @called_back << :foo + end + + def sentinel + assert_equal [:foo], @called_back + end +end + +class SubclassSetupAndTeardownTest < SetupAndTeardownTest + setup :bar + teardown :bar + + def test_inherited_setup_callbacks + assert_equal [:reset_callback_record, :foo, :bar], self.class._setup_callbacks.map(&:raw_filter) + assert_equal [:foo, :bar], @called_back + assert_equal [:foo, :sentinel, :bar], self.class._teardown_callbacks.map(&:raw_filter) + end + + protected + def bar + @called_back << :bar + end + + def sentinel + assert_equal [:foo, :bar, :bar], @called_back + end +end + +class TestCaseTaggedLoggingTest < ActiveSupport::TestCase + def before_setup + require 'stringio' + @out = StringIO.new + self.tagged_logger = ActiveSupport::TaggedLogging.new(Logger.new(@out)) + super + end + + def test_logs_tagged_with_current_test_case + assert_match "#{self.class}: #{name}\n", @out.string + end +end + +class TestOrderTest < ActiveSupport::TestCase + def setup + @original_test_order = ActiveSupport::TestCase.test_order + end + + def teardown + ActiveSupport::TestCase.test_order = @original_test_order + end + + def test_defaults_to_random + ActiveSupport::TestCase.test_order = nil + + assert_equal :random, ActiveSupport::TestCase.test_order + + assert_equal :random, ActiveSupport.test_order + end + + def test_test_order_is_global + ActiveSupport::TestCase.test_order = :sorted + + assert_equal :sorted, ActiveSupport.test_order + assert_equal :sorted, ActiveSupport::TestCase.test_order + assert_equal :sorted, self.class.test_order + assert_equal :sorted, Class.new(ActiveSupport::TestCase).test_order + + ActiveSupport.test_order = :random + + assert_equal :random, ActiveSupport.test_order + assert_equal :random, ActiveSupport::TestCase.test_order + assert_equal :random, self.class.test_order + assert_equal :random, Class.new(ActiveSupport::TestCase).test_order + end + + def test_i_suck_and_my_tests_are_order_dependent! + ActiveSupport::TestCase.test_order = :random + + klass = Class.new(ActiveSupport::TestCase) do + i_suck_and_my_tests_are_order_dependent! + end + + assert_equal :alpha, klass.test_order + assert_equal :random, ActiveSupport::TestCase.test_order + end +end |