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require 'test_helper'
class MinitestUtilsTest < Minitest::Test
def capture_exception
yield
rescue Exception => exception
exception
end
test 'defines method name' do
assert MinitestUtilsTest.instance_methods.include?(:test_defines_method_name)
end
test 'improves assert message' do
exception = capture_exception { assert nil }
assert_equal "expected: truthy value\ngot: nil", exception.message
end
test 'improves refute message' do
exception = capture_exception { refute 1234 }
assert_equal "expected: falsy value\ngot: 1234", exception.message
end
test 'raises exception for duplicated method name' do
assert_raises(RuntimeError) {
Class.new(Minitest::Test) do
test 'some test'
test 'some test'
end
}
end
test 'flunks method without block' do
test_case = Class.new(Minitest::Test) do
test 'flunk test'
end
assert_raises(Minitest::Assertion) {
test_case.new('test').test_flunk_test
}
end
test 'defines setup steps' do
setups = []
test_case = Class.new(Minitest::Test) do
setup { setups << 1 }
setup { setups << 2 }
setup { setups << 3 }
test('do something') {}
end
test_case.new(Minitest::AbstractReporter).run
assert_equal [1, 2, 3], setups
end
test 'defines teardown steps' do
teardowns = []
test_case = Class.new(Minitest::Test) do
teardown { teardowns << 1 }
teardown { teardowns << 2 }
teardown { teardowns << 3 }
test('do something') {}
end
test_case.new(Minitest::AbstractReporter).run
assert_equal [1, 2, 3], teardowns
end
end
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