| # Tests that work for both bytes and buffer objects. |
| # See PEP 3137. |
| |
| import struct |
| import sys |
| |
| class MixinBytesBufferCommonTests(object): |
| """Tests that work for both bytes and buffer objects. |
| See PEP 3137. |
| """ |
| |
| def marshal(self, x): |
| """Convert x into the appropriate type for these tests.""" |
| raise RuntimeError('test class must provide a marshal method') |
| |
| def test_islower(self): |
| self.assertFalse(self.marshal(b'').islower()) |
| self.assertTrue(self.marshal(b'a').islower()) |
| self.assertFalse(self.marshal(b'A').islower()) |
| self.assertFalse(self.marshal(b'\n').islower()) |
| self.assertTrue(self.marshal(b'abc').islower()) |
| self.assertFalse(self.marshal(b'aBc').islower()) |
| self.assertTrue(self.marshal(b'abc\n').islower()) |
| self.assertRaises(TypeError, self.marshal(b'abc').islower, 42) |
| |
| def test_isupper(self): |
| self.assertFalse(self.marshal(b'').isupper()) |
| self.assertFalse(self.marshal(b'a').isupper()) |
| self.assertTrue(self.marshal(b'A').isupper()) |
| self.assertFalse(self.marshal(b'\n').isupper()) |
| self.assertTrue(self.marshal(b'ABC').isupper()) |
| self.assertFalse(self.marshal(b'AbC').isupper()) |
| self.assertTrue(self.marshal(b'ABC\n').isupper()) |
| self.assertRaises(TypeError, self.marshal(b'abc').isupper, 42) |
| |
| def test_istitle(self): |
| self.assertFalse(self.marshal(b'').istitle()) |
| self.assertFalse(self.marshal(b'a').istitle()) |
| self.assertTrue(self.marshal(b'A').istitle()) |
| self.assertFalse(self.marshal(b'\n').istitle()) |
| self.assertTrue(self.marshal(b'A Titlecased Line').istitle()) |
| self.assertTrue(self.marshal(b'A\nTitlecased Line').istitle()) |
| self.assertTrue(self.marshal(b'A Titlecased, Line').istitle()) |
| self.assertFalse(self.marshal(b'Not a capitalized String').istitle()) |
| self.assertFalse(self.marshal(b'Not\ta Titlecase String').istitle()) |
| self.assertFalse(self.marshal(b'Not--a Titlecase String').istitle()) |
| self.assertFalse(self.marshal(b'NOT').istitle()) |
| self.assertRaises(TypeError, self.marshal(b'abc').istitle, 42) |
| |
| def test_isspace(self): |
| self.assertFalse(self.marshal(b'').isspace()) |
| self.assertFalse(self.marshal(b'a').isspace()) |
| self.assertTrue(self.marshal(b' ').isspace()) |
| self.assertTrue(self.marshal(b'\t').isspace()) |
| self.assertTrue(self.marshal(b'\r').isspace()) |
| self.assertTrue(self.marshal(b'\n').isspace()) |
| self.assertTrue(self.marshal(b' \t\r\n').isspace()) |
| self.assertFalse(self.marshal(b' \t\r\na').isspace()) |
| self.assertRaises(TypeError, self.marshal(b'abc').isspace, 42) |
| |
| def test_isalpha(self): |
| self.assertFalse(self.marshal(b'').isalpha()) |
| self.assertTrue(self.marshal(b'a').isalpha()) |
| self.assertTrue(self.marshal(b'A').isalpha()) |
| self.assertFalse(self.marshal(b'\n').isalpha()) |
| self.assertTrue(self.marshal(b'abc').isalpha()) |
| self.assertFalse(self.marshal(b'aBc123').isalpha()) |
| self.assertFalse(self.marshal(b'abc\n').isalpha()) |
| self.assertRaises(TypeError, self.marshal(b'abc').isalpha, 42) |
| |
| def test_isalnum(self): |
| self.assertFalse(self.marshal(b'').isalnum()) |
| self.assertTrue(self.marshal(b'a').isalnum()) |
| self.assertTrue(self.marshal(b'A').isalnum()) |
| self.assertFalse(self.marshal(b'\n').isalnum()) |
| self.assertTrue(self.marshal(b'123abc456').isalnum()) |
| self.assertTrue(self.marshal(b'a1b3c').isalnum()) |
| self.assertFalse(self.marshal(b'aBc000 ').isalnum()) |
| self.assertFalse(self.marshal(b'abc\n').isalnum()) |
| self.assertRaises(TypeError, self.marshal(b'abc').isalnum, 42) |
| |
| def test_isdigit(self): |
| self.assertFalse(self.marshal(b'').isdigit()) |
| self.assertFalse(self.marshal(b'a').isdigit()) |
| self.assertTrue(self.marshal(b'0').isdigit()) |
| self.assertTrue(self.marshal(b'0123456789').isdigit()) |
| self.assertFalse(self.marshal(b'0123456789a').isdigit()) |
| |
| self.assertRaises(TypeError, self.marshal(b'abc').isdigit, 42) |
| |
| def test_lower(self): |
| self.assertEqual(b'hello', self.marshal(b'HeLLo').lower()) |
| self.assertEqual(b'hello', self.marshal(b'hello').lower()) |
| self.assertRaises(TypeError, self.marshal(b'hello').lower, 42) |
| |
| def test_upper(self): |
| self.assertEqual(b'HELLO', self.marshal(b'HeLLo').upper()) |
| self.assertEqual(b'HELLO', self.marshal(b'HELLO').upper()) |
| self.assertRaises(TypeError, self.marshal(b'hello').upper, 42) |
| |
| def test_capitalize(self): |
| self.assertEqual(b' hello ', self.marshal(b' hello ').capitalize()) |
| self.assertEqual(b'Hello ', self.marshal(b'Hello ').capitalize()) |
| self.assertEqual(b'Hello ', self.marshal(b'hello ').capitalize()) |
| self.assertEqual(b'Aaaa', self.marshal(b'aaaa').capitalize()) |
| self.assertEqual(b'Aaaa', self.marshal(b'AaAa').capitalize()) |
| |
| self.assertRaises(TypeError, self.marshal(b'hello').capitalize, 42) |
| |
| def test_ljust(self): |
| self.assertEqual(b'abc ', self.marshal(b'abc').ljust(10)) |
| self.assertEqual(b'abc ', self.marshal(b'abc').ljust(6)) |
| self.assertEqual(b'abc', self.marshal(b'abc').ljust(3)) |
| self.assertEqual(b'abc', self.marshal(b'abc').ljust(2)) |
| self.assertEqual(b'abc*******', self.marshal(b'abc').ljust(10, '*')) |
| self.assertRaises(TypeError, self.marshal(b'abc').ljust) |
| |
| def test_rjust(self): |
| self.assertEqual(b' abc', self.marshal(b'abc').rjust(10)) |
| self.assertEqual(b' abc', self.marshal(b'abc').rjust(6)) |
| self.assertEqual(b'abc', self.marshal(b'abc').rjust(3)) |
| self.assertEqual(b'abc', self.marshal(b'abc').rjust(2)) |
| self.assertEqual(b'*******abc', self.marshal(b'abc').rjust(10, '*')) |
| self.assertRaises(TypeError, self.marshal(b'abc').rjust) |
| |
| def test_center(self): |
| self.assertEqual(b' abc ', self.marshal(b'abc').center(10)) |
| self.assertEqual(b' abc ', self.marshal(b'abc').center(6)) |
| self.assertEqual(b'abc', self.marshal(b'abc').center(3)) |
| self.assertEqual(b'abc', self.marshal(b'abc').center(2)) |
| self.assertEqual(b'***abc****', self.marshal(b'abc').center(10, '*')) |
| self.assertRaises(TypeError, self.marshal(b'abc').center) |
| |
| def test_swapcase(self): |
| self.assertEqual(b'hEllO CoMPuTErS', |
| self.marshal(b'HeLLo cOmpUteRs').swapcase()) |
| |
| self.assertRaises(TypeError, self.marshal(b'hello').swapcase, 42) |
| |
| def test_zfill(self): |
| self.assertEqual(b'123', self.marshal(b'123').zfill(2)) |
| self.assertEqual(b'123', self.marshal(b'123').zfill(3)) |
| self.assertEqual(b'0123', self.marshal(b'123').zfill(4)) |
| self.assertEqual(b'+123', self.marshal(b'+123').zfill(3)) |
| self.assertEqual(b'+123', self.marshal(b'+123').zfill(4)) |
| self.assertEqual(b'+0123', self.marshal(b'+123').zfill(5)) |
| self.assertEqual(b'-123', self.marshal(b'-123').zfill(3)) |
| self.assertEqual(b'-123', self.marshal(b'-123').zfill(4)) |
| self.assertEqual(b'-0123', self.marshal(b'-123').zfill(5)) |
| self.assertEqual(b'000', self.marshal(b'').zfill(3)) |
| self.assertEqual(b'34', self.marshal(b'34').zfill(1)) |
| self.assertEqual(b'0034', self.marshal(b'34').zfill(4)) |
| |
| self.assertRaises(TypeError, self.marshal(b'123').zfill) |
| |
| def test_expandtabs(self): |
| self.assertEqual(b'abc\rab def\ng hi', |
| self.marshal(b'abc\rab\tdef\ng\thi').expandtabs()) |
| self.assertEqual(b'abc\rab def\ng hi', |
| self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8)) |
| self.assertEqual(b'abc\rab def\ng hi', |
| self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(4)) |
| self.assertEqual(b'abc\r\nab def\ng hi', |
| self.marshal(b'abc\r\nab\tdef\ng\thi').expandtabs(4)) |
| self.assertEqual(b'abc\rab def\ng hi', |
| self.marshal(b'abc\rab\tdef\ng\thi').expandtabs()) |
| self.assertEqual(b'abc\rab def\ng hi', |
| self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8)) |
| self.assertEqual(b'abc\r\nab\r\ndef\ng\r\nhi', |
| self.marshal(b'abc\r\nab\r\ndef\ng\r\nhi').expandtabs(4)) |
| self.assertEqual(b' a\n b', self.marshal(b' \ta\n\tb').expandtabs(1)) |
| |
| self.assertRaises(TypeError, self.marshal(b'hello').expandtabs, 42, 42) |
| # This test is only valid when sizeof(int) == sizeof(void*) == 4. |
| if sys.maxint < (1 << 32) and struct.calcsize('P') == 4: |
| self.assertRaises(OverflowError, |
| self.marshal(b'\ta\n\tb').expandtabs, sys.maxint) |
| |
| def test_title(self): |
| self.assertEqual(b' Hello ', self.marshal(b' hello ').title()) |
| self.assertEqual(b'Hello ', self.marshal(b'hello ').title()) |
| self.assertEqual(b'Hello ', self.marshal(b'Hello ').title()) |
| self.assertEqual(b'Format This As Title String', |
| self.marshal(b'fOrMaT thIs aS titLe String').title()) |
| self.assertEqual(b'Format,This-As*Title;String', |
| self.marshal(b'fOrMaT,thIs-aS*titLe;String').title()) |
| self.assertEqual(b'Getint', self.marshal(b'getInt').title()) |
| self.assertRaises(TypeError, self.marshal(b'hello').title, 42) |
| |
| def test_splitlines(self): |
| self.assertEqual([b'abc', b'def', b'', b'ghi'], |
| self.marshal(b'abc\ndef\n\rghi').splitlines()) |
| self.assertEqual([b'abc', b'def', b'', b'ghi'], |
| self.marshal(b'abc\ndef\n\r\nghi').splitlines()) |
| self.assertEqual([b'abc', b'def', b'ghi'], |
| self.marshal(b'abc\ndef\r\nghi').splitlines()) |
| self.assertEqual([b'abc', b'def', b'ghi'], |
| self.marshal(b'abc\ndef\r\nghi\n').splitlines()) |
| self.assertEqual([b'abc', b'def', b'ghi', b''], |
| self.marshal(b'abc\ndef\r\nghi\n\r').splitlines()) |
| self.assertEqual([b'', b'abc', b'def', b'ghi', b''], |
| self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines()) |
| self.assertEqual([b'\n', b'abc\n', b'def\r\n', b'ghi\n', b'\r'], |
| self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines(1)) |
| |
| self.assertRaises(TypeError, self.marshal(b'abc').splitlines, 42, 42) |
