def test_parses_yaml_no_end(self):
        sample = inspect.cleandoc(
            u"""TAP version 13
            1..2
            ok 1 A passing test
               ---
               test: sample yaml
            not ok 2 A failing test"""
        )
        parser = Parser()
        lines = []

        for line in parser.parse_text(sample):
            lines.append(line)

        try:
            import yaml
            from more_itertools import peekable  # noqa

            converted_yaml = yaml.load(u"""test: sample yaml""")
            self.assertEqual(4, len(lines))
            self.assertEqual(13, lines[0].version)
            self.assertEqual(converted_yaml, lines[2].yaml_block)
            self.assertEqual("test", lines[3].category)
            self.assertIsNone(lines[3].yaml_block)
        except ImportError:
            self.assertEqual(6, len(lines))
            self.assertEqual(13, lines[0].version)
            for l in list(range(3, 5)):
                self.assertEqual("unknown", lines[l].category)
            self.assertEqual("test", lines[5].category)

    def test_finds_description(self):
        parser = Parser()

        line = parser.parse_line("ok 42 A passing test.")

        self.assertEqual("test", line.category)
        self.assertEqual("A passing test.", line.description)

    def test_finds_skip(self):
        parser = Parser()

        line = parser.parse_line('ok A description # SKIP for now')

        self.assertEqual('test', line.category)
        self.assertTrue(line.skip)

    def test_after_hash_is_not_description(self):
        parser = Parser()

        line = parser.parse_line("ok A description # Not part of description.")

        self.assertEqual("test", line.category)
        self.assertEqual("A description", line.description)

    def test_ignores_plan_with_any_non_skip_directive(self):
        """The parser only recognizes SKIP directives in plans."""
        parser = Parser()

        line = parser.parse_line('1..42 # TODO will not work.')

        self.assertEqual('unknown', line.category)

    def test_unrecognizable_line(self):
        """The parser returns an unrecognizable line."""
        parser = Parser()

        line = parser.parse_line('This is not a valid TAP line. # srsly')

        self.assertEqual('unknown', line.category)

    def test_finds_todo(self):
        parser = Parser()

        line = parser.parse_line('ok A description # TODO Not done')

        self.assertEqual('test', line.category)
        self.assertTrue(line.todo)

    def test_finds_plan(self):
        """The parser extracts a plan line."""
        parser = Parser()

        line = parser.parse_line('1..42')

        self.assertEqual('plan', line.category)
        self.assertEqual(42, line.expected_tests)

    def test_bail_out_line(self):
        """The parser extracts a bail out line."""
        parser = Parser()

        line = parser.parse_line('Bail out! This is the reason to bail.')

        self.assertEqual('bail', line.category)
        self.assertEqual('This is the reason to bail.', line.reason)

    def test_finds_plan_with_skip(self):
        """The parser extracts a plan line containing a SKIP."""
        parser = Parser()

        line = parser.parse_line('1..42 # Skipping this test file.')

        self.assertEqual('plan', line.category)
        self.assertTrue(line.skip)

    def test_finds_number(self):
        """The parser extracts a test number."""
        parser = Parser()

        line = parser.parse_line('ok 42 is the magic number.')

        self.assertEqual('test', line.category)
        self.assertEqual(42, line.number)

    def test_finds_version(self):
        """The parser extracts a version line."""
        parser = Parser()

        line = parser.parse_line('TAP version 13')

        self.assertEqual('version', line.category)
        self.assertEqual(13, line.version)

    def test_finds_ok(self):
        """The parser extracts an ok line."""
        parser = Parser()

        line = parser.parse_line("ok - This is a passing test line.")

        self.assertEqual("test", line.category)
        self.assertTrue(line.ok)
        self.assertTrue(line.number is None)

    def test_finds_not_ok(self):
        """The parser extracts a not ok line."""
        parser = Parser()

        line = parser.parse_line('not ok - This is a failing test line.')

        self.assertEqual('test', line.category)
        self.assertFalse(line.ok)
        self.assertTrue(line.number is None)

    def test_diagnostic_line(self):
        """The parser extracts a diagnostic line."""
        text = '# An example diagnostic line'
        parser = Parser()

        line = parser.parse_line(text)

        self.assertEqual('diagnostic', line.category)
        self.assertEqual(text, line.text)

    def test_finds_not_ok(self):
        """The parser extracts a not ok line."""
        parser = Parser()

        line = parser.parse_line("not ok - This is a failing test line.")

        self.assertEqual("test", line.category)
        self.assertFalse(line.ok)
        self.assertTrue(line.number is None)
        self.assertEqual("", line.directive.text)

    def test_parse_empty_file(self):
        temp = tempfile.NamedTemporaryFile(delete=False)
        temp.close()
        parser = Parser()
        lines = []

        for line in parser.parse_file(temp.name):
            lines.append(line)

        self.assertEqual(0, len(lines))

    def test_finds_directive(self):
        """The parser extracts a directive"""
        parser = Parser()
        test_line = "not ok - This line fails # TODO not implemented"

        line = parser.parse_line(test_line)
        directive = line.directive

        self.assertEqual("test", line.category)
        self.assertEqual("TODO not implemented", directive.text)
        self.assertFalse(directive.skip)
        self.assertTrue(directive.todo)
        self.assertEqual("not implemented", directive.reason)

    def test_parses_stdin(self):
        parser = Parser()
        lines = []

        for line in parser.parse_stdin():
            lines.append(line)

        self.assertEqual(3, len(lines))
        self.assertEqual("plan", lines[0].category)
        self.assertEqual("test", lines[1].category)
        self.assertTrue(lines[1].ok)
        self.assertEqual("test", lines[2].category)
        self.assertFalse(lines[2].ok)

    def test_malformed_yaml(self):
        self.maxDiff = None
        sample = inspect.cleandoc(
            u"""TAP version 13
            1..2
            ok 1 A passing test
               ---
               test: sample yaml
               \tfail: tabs are not allowed!
               ...
            not ok 2 A failing test"""
        )
        yaml_err = inspect.cleandoc(
            u"""
WARNING: Optional imports not found, TAP 13 output will be
    ignored. To parse yaml, see requirements in docs:
    https://tappy.readthedocs.io/en/latest/consumers.html#tap-version-13"""
        )
        parser = Parser()
        lines = []

        with captured_output() as (parse_out, _):
            for line in parser.parse_text(sample):
                lines.append(line)

        try:
            import yaml  # noqa
            from more_itertools import peekable  # noqa

            self.assertEqual(4, len(lines))
            self.assertEqual(13, lines[0].version)
            with captured_output() as (out, _):
                self.assertIsNone(lines[2].yaml_block)
            self.assertEqual(
                "Error parsing yaml block. Check formatting.", out.getvalue().strip()
            )
            self.assertEqual("test", lines[3].category)
            self.assertIsNone(lines[3].yaml_block)
        except ImportError:
            self.assertEqual(8, len(lines))
            self.assertEqual(13, lines[0].version)
            for l in list(range(3, 7)):
                self.assertEqual("unknown", lines[l].category)
            self.assertEqual("test", lines[7].category)
            self.assertEqual(yaml_err, parse_out.getvalue().strip())