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_no_difference assert_no_difference '@object.num' do # ... end 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 AssertBlankTest < ActiveSupport::TestCase BLANK = [ EmptyTrue.new, nil, false, '', ' ', " \n\t \r ", [], {} ] NOT_BLANK = [ EmptyFalse.new, Object.new, true, 0, 1, 'x', [nil], { nil => 0 } ] def test_assert_blank_true BLANK.each { |v| assert_blank v } end def test_assert_blank_false NOT_BLANK.each { |v| begin assert_blank v fail 'should not get to here' rescue Exception => e assert_match(/is not blank/, e.message) end } end end class AssertPresentTest < ActiveSupport::TestCase BLANK = [ EmptyTrue.new, nil, false, '', ' ', " \n\t \r ", [], {} ] NOT_BLANK = [ EmptyFalse.new, Object.new, true, 0, 1, 'x', [nil], { nil => 0 } ] def test_assert_blank_true NOT_BLANK.each { |v| assert_present v } end def test_assert_blank_false BLANK.each { |v| begin assert_present v fail 'should not get to here' rescue Exception => e assert_match(/is blank/, e.message) end } end end class AlsoDoingNothingTest < ActiveSupport::TestCase end # Setup and teardown callbacks. class SetupAndTeardownTest < ActiveSupport::TestCase setup :reset_callback_record, :foo teardown :foo, :sentinel, :foo 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, :foo], 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, :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, :foo, :bar], self.class._teardown_callbacks.map(&:raw_filter) end protected def bar @called_back << :bar end def sentinel assert_equal [:foo, :bar, :bar, :foo], @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 tagged_logger.info 'test' assert_equal "[#{self.class.name}] [#{__name__}] test\n", @out.string end end