Class TestInputTypes

tests/test_parser.py:294–349

class TestInputTypes(object):
    def test_empty_string_invalid(self):
        with pytest.raises(ParserError):
            parse('')

    def test_none_invalid(self):
        with pytest.raises(TypeError):
            parse(None)

    def test_int_invalid(self):
        with pytest.raises(TypeError):
            parse(13)

    def test_duck_typing(self):
        # We want to support arbitrary classes that implement the stream
        # interface.

        class StringPassThrough(object):
            def __init__(self, stream):
                self.stream = stream

            def read(self, *args, **kwargs):
                return self.stream.read(*args, **kwargs)

        dstr = StringPassThrough(StringIO('2014 January 19'))

        res = parse(dstr)
        expected = datetime(2014, 1, 19)
        assert res == expected

    def test_parse_stream(self):
        dstr = StringIO('2014 January 19')

        res = parse(dstr)
        expected = datetime(2014, 1, 19)
        assert res == expected

    def test_parse_str(self):
        # Parser should be able to handle bytestring and unicode
        uni_str = '2014-05-01 08:00:00'
        bytes_str = uni_str.encode()

        res = parse(bytes_str)
        expected = parse(uni_str)
        assert res == expected

    def test_parse_bytes(self):
        res = parse(b'2014 January 19')
        expected = datetime(2014, 1, 19)
        assert res == expected

    def test_parse_bytearray(self):
        # GH#417
        res = parse(bytearray(b'2014 January 19'))
        expected = datetime(2014, 1, 19)
        assert res == expected