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Diffstat (limited to 'lib/python2.7/test/test_str.py')
| -rw-r--r-- | lib/python2.7/test/test_str.py | 461 |
1 files changed, 0 insertions, 461 deletions
diff --git a/lib/python2.7/test/test_str.py b/lib/python2.7/test/test_str.py deleted file mode 100644 index eb704ea..0000000 --- a/lib/python2.7/test/test_str.py +++ /dev/null @@ -1,461 +0,0 @@ - -import struct -import sys -from test import test_support, string_tests - - -class StrTest( - string_tests.CommonTest, - string_tests.MixinStrUnicodeUserStringTest, - string_tests.MixinStrUserStringTest, - string_tests.MixinStrUnicodeTest, - ): - - type2test = str - - # We don't need to propagate to str - def fixtype(self, obj): - return obj - - def test_basic_creation(self): - self.assertEqual(str(''), '') - self.assertEqual(str(0), '0') - self.assertEqual(str(0L), '0') - self.assertEqual(str(()), '()') - self.assertEqual(str([]), '[]') - self.assertEqual(str({}), '{}') - a = [] - a.append(a) - self.assertEqual(str(a), '[[...]]') - a = {} - a[0] = a - self.assertEqual(str(a), '{0: {...}}') - - def test_formatting(self): - string_tests.MixinStrUnicodeUserStringTest.test_formatting(self) - self.assertRaises(OverflowError, '%c'.__mod__, 0x1234) - - @test_support.cpython_only - def test_formatting_huge_precision(self): - from _testcapi import INT_MAX - format_string = "%.{}f".format(INT_MAX + 1) - with self.assertRaises(ValueError): - result = format_string % 2.34 - - def test_formatting_huge_width(self): - format_string = "%{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format_string % 2.34 - - def test_conversion(self): - # Make sure __str__() behaves properly - class Foo0: - def __unicode__(self): - return u"foo" - - class Foo1: - def __str__(self): - return "foo" - - class Foo2(object): - def __str__(self): - return "foo" - - class Foo3(object): - def __str__(self): - return u"foo" - - class Foo4(unicode): - def __str__(self): - return u"foo" - - class Foo5(str): - def __str__(self): - return u"foo" - - class Foo6(str): - def __str__(self): - return "foos" - - def __unicode__(self): - return u"foou" - - class Foo7(unicode): - def __str__(self): - return "foos" - def __unicode__(self): - return u"foou" - - class Foo8(str): - def __new__(cls, content=""): - return str.__new__(cls, 2*content) - def __str__(self): - return self - - class Foo9(str): - def __str__(self): - return "string" - def __unicode__(self): - return "not unicode" - - self.assertTrue(str(Foo0()).startswith("<")) # this is different from __unicode__ - self.assertEqual(str(Foo1()), "foo") - self.assertEqual(str(Foo2()), "foo") - self.assertEqual(str(Foo3()), "foo") - self.assertEqual(str(Foo4("bar")), "foo") - self.assertEqual(str(Foo5("bar")), "foo") - self.assertEqual(str(Foo6("bar")), "foos") - self.assertEqual(str(Foo7("bar")), "foos") - self.assertEqual(str(Foo8("foo")), "foofoo") - self.assertEqual(str(Foo9("foo")), "string") - self.assertEqual(unicode(Foo9("foo")), u"not unicode") - - def test_expandtabs_overflows_gracefully(self): - # This test only affects 32-bit platforms because expandtabs can only take - # an int as the max value, not a 64-bit C long. If expandtabs is changed - # to take a 64-bit long, this test should apply to all platforms. - if sys.maxint > (1 << 32) or struct.calcsize('P') != 4: - return - self.assertRaises(OverflowError, 't\tt\t'.expandtabs, sys.maxint) - - def test__format__(self): - def test(value, format, expected): - # test both with and without the trailing 's' - self.assertEqual(value.__format__(format), expected) - self.assertEqual(value.__format__(format + 's'), expected) - - test('', '', '') - test('abc', '', 'abc') - test('abc', '.3', 'abc') - test('ab', '.3', 'ab') - test('abcdef', '.3', 'abc') - test('abcdef', '.0', '') - test('abc', '3.3', 'abc') - test('abc', '2.3', 'abc') - test('abc', '2.2', 'ab') - test('abc', '3.2', 'ab ') - test('result', 'x<0', 'result') - test('result', 'x<5', 'result') - test('result', 'x<6', 'result') - test('result', 'x<7', 'resultx') - test('result', 'x<8', 'resultxx') - test('result', ' <7', 'result ') - test('result', '<7', 'result ') - test('result', '>7', ' result') - test('result', '>8', ' result') - test('result', '^8', ' result ') - test('result', '^9', ' result ') - test('result', '^10', ' result ') - test('a', '10000', 'a' + ' ' * 9999) - test('', '10000', ' ' * 10000) - test('', '10000000', ' ' * 10000000) - - def test_format(self): - self.assertEqual(''.format(), '') - self.assertEqual('a'.format(), 'a') - self.assertEqual('ab'.format(), 'ab') - self.assertEqual('a{{'.format(), 'a{') - self.assertEqual('a}}'.format(), 'a}') - self.assertEqual('{{b'.format(), '{b') - self.assertEqual('}}b'.format(), '}b') - self.assertEqual('a{{b'.format(), 'a{b') - - # examples from the PEP: - import datetime - self.assertEqual("My name is {0}".format('Fred'), "My name is Fred") - self.assertEqual("My name is {0[name]}".format(dict(name='Fred')), - "My name is Fred") - self.assertEqual("My name is {0} :-{{}}".format('Fred'), - "My name is Fred :-{}") - - d = datetime.date(2007, 8, 18) - self.assertEqual("The year is {0.year}".format(d), - "The year is 2007") - - # classes we'll use for testing - class C: - def __init__(self, x=100): - self._x = x - def __format__(self, spec): - return spec - - class D: - def __init__(self, x): - self.x = x - def __format__(self, spec): - return str(self.x) - - # class with __str__, but no __format__ - class E: - def __init__(self, x): - self.x = x - def __str__(self): - return 'E(' + self.x + ')' - - # class with __repr__, but no __format__ or __str__ - class F: - def __init__(self, x): - self.x = x - def __repr__(self): - return 'F(' + self.x + ')' - - # class with __format__ that forwards to string, for some format_spec's - class G: - def __init__(self, x): - self.x = x - def __str__(self): - return "string is " + self.x - def __format__(self, format_spec): - if format_spec == 'd': - return 'G(' + self.x + ')' - return object.__format__(self, format_spec) - - # class that returns a bad type from __format__ - class H: - def __format__(self, format_spec): - return 1.0 - - class I(datetime.date): - def __format__(self, format_spec): - return self.strftime(format_spec) - - class J(int): - def __format__(self, format_spec): - return int.__format__(self * 2, format_spec) - - - self.assertEqual(''.format(), '') - self.assertEqual('abc'.format(), 'abc') - self.assertEqual('{0}'.format('abc'), 'abc') - self.assertEqual('{0:}'.format('abc'), 'abc') - self.assertEqual('X{0}'.format('abc'), 'Xabc') - self.assertEqual('{0}X'.format('abc'), 'abcX') - self.assertEqual('X{0}Y'.format('abc'), 'XabcY') - self.assertEqual('{1}'.format(1, 'abc'), 'abc') - self.assertEqual('X{1}'.format(1, 'abc'), 'Xabc') - self.assertEqual('{1}X'.format(1, 'abc'), 'abcX') - self.assertEqual('X{1}Y'.format(1, 'abc'), 'XabcY') - self.assertEqual('{0}'.format(-15), '-15') - self.assertEqual('{0}{1}'.format(-15, 'abc'), '-15abc') - self.assertEqual('{0}X{1}'.format(-15, 'abc'), '-15Xabc') - self.assertEqual('{{'.format(), '{') - self.assertEqual('}}'.format(), '}') - self.assertEqual('{{}}'.format(), '{}') - self.assertEqual('{{x}}'.format(), '{x}') - self.assertEqual('{{{0}}}'.format(123), '{123}') - self.assertEqual('{{{{0}}}}'.format(), '{{0}}') - self.assertEqual('}}{{'.format(), '}{') - self.assertEqual('}}x{{'.format(), '}x{') - - # weird field names - self.assertEqual("{0[foo-bar]}".format({'foo-bar':'baz'}), 'baz') - self.assertEqual("{0[foo bar]}".format({'foo bar':'baz'}), 'baz') - self.assertEqual("{0[ ]}".format({' ':3}), '3') - - self.assertEqual('{foo._x}'.format(foo=C(20)), '20') - self.assertEqual('{1}{0}'.format(D(10), D(20)), '2010') - self.assertEqual('{0._x.x}'.format(C(D('abc'))), 'abc') - self.assertEqual('{0[0]}'.format(['abc', 'def']), 'abc') - self.assertEqual('{0[1]}'.format(['abc', 'def']), 'def') - self.assertEqual('{0[1][0]}'.format(['abc', ['def']]), 'def') - self.assertEqual('{0[1][0].x}'.format(['abc', [D('def')]]), 'def') - - # strings - self.assertEqual('{0:.3s}'.format('abc'), 'abc') - self.assertEqual('{0:.3s}'.format('ab'), 'ab') - self.assertEqual('{0:.3s}'.format('abcdef'), 'abc') - self.assertEqual('{0:.0s}'.format('abcdef'), '') - self.assertEqual('{0:3.3s}'.format('abc'), 'abc') - self.assertEqual('{0:2.3s}'.format('abc'), 'abc') - self.assertEqual('{0:2.2s}'.format('abc'), 'ab') - self.assertEqual('{0:3.2s}'.format('abc'), 'ab ') - self.assertEqual('{0:x<0s}'.format('result'), 'result') - self.assertEqual('{0:x<5s}'.format('result'), 'result') - self.assertEqual('{0:x<6s}'.format('result'), 'result') - self.assertEqual('{0:x<7s}'.format('result'), 'resultx') - self.assertEqual('{0:x<8s}'.format('result'), 'resultxx') - self.assertEqual('{0: <7s}'.format('result'), 'result ') - self.assertEqual('{0:<7s}'.format('result'), 'result ') - self.assertEqual('{0:>7s}'.format('result'), ' result') - self.assertEqual('{0:>8s}'.format('result'), ' result') - self.assertEqual('{0:^8s}'.format('result'), ' result ') - self.assertEqual('{0:^9s}'.format('result'), ' result ') - self.assertEqual('{0:^10s}'.format('result'), ' result ') - self.assertEqual('{0:10000}'.format('a'), 'a' + ' ' * 9999) - self.assertEqual('{0:10000}'.format(''), ' ' * 10000) - self.assertEqual('{0:10000000}'.format(''), ' ' * 10000000) - - # format specifiers for user defined type - self.assertEqual('{0:abc}'.format(C()), 'abc') - - # !r and !s coercions - self.assertEqual('{0!s}'.format('Hello'), 'Hello') - self.assertEqual('{0!s:}'.format('Hello'), 'Hello') - self.assertEqual('{0!s:15}'.format('Hello'), 'Hello ') - self.assertEqual('{0!s:15s}'.format('Hello'), 'Hello ') - self.assertEqual('{0!r}'.format('Hello'), "'Hello'") - self.assertEqual('{0!r:}'.format('Hello'), "'Hello'") - self.assertEqual('{0!r}'.format(F('Hello')), 'F(Hello)') - - # test fallback to object.__format__ - self.assertEqual('{0}'.format({}), '{}') - self.assertEqual('{0}'.format([]), '[]') - self.assertEqual('{0}'.format([1]), '[1]') - self.assertEqual('{0}'.format(E('data')), 'E(data)') - self.assertEqual('{0:d}'.format(G('data')), 'G(data)') - self.assertEqual('{0!s}'.format(G('data')), 'string is data') - - msg = 'object.__format__ with a non-empty format string is deprecated' - with test_support.check_warnings((msg, PendingDeprecationWarning)): - self.assertEqual('{0:^10}'.format(E('data')), ' E(data) ') - self.assertEqual('{0:^10s}'.format(E('data')), ' E(data) ') - self.assertEqual('{0:>15s}'.format(G('data')), ' string is data') - - self.assertEqual("{0:date: %Y-%m-%d}".format(I(year=2007, - month=8, - day=27)), - "date: 2007-08-27") - - # test deriving from a builtin type and overriding __format__ - self.assertEqual("{0}".format(J(10)), "20") - - - # string format specifiers - self.assertEqual('{0:}'.format('a'), 'a') - - # computed format specifiers - self.assertEqual("{0:.{1}}".format('hello world', 5), 'hello') - self.assertEqual("{0:.{1}s}".format('hello world', 5), 'hello') - self.assertEqual("{0:.{precision}s}".format('hello world', precision=5), 'hello') - self.assertEqual("{0:{width}.{precision}s}".format('hello world', width=10, precision=5), 'hello ') - self.assertEqual("{0:{width}.{precision}s}".format('hello world', width='10', precision='5'), 'hello ') - - # test various errors - self.assertRaises(ValueError, '{'.format) - self.assertRaises(ValueError, '}'.format) - self.assertRaises(ValueError, 'a{'.format) - self.assertRaises(ValueError, 'a}'.format) - self.assertRaises(ValueError, '{a'.format) - self.assertRaises(ValueError, '}a'.format) - self.assertRaises(IndexError, '{0}'.format) - self.assertRaises(IndexError, '{1}'.format, 'abc') - self.assertRaises(KeyError, '{x}'.format) - self.assertRaises(ValueError, "}{".format) - self.assertRaises(ValueError, "{".format) - self.assertRaises(ValueError, "}".format) - self.assertRaises(ValueError, "abc{0:{}".format) - self.assertRaises(ValueError, "{0".format) - self.assertRaises(IndexError, "{0.}".format) - self.assertRaises(ValueError, "{0.}".format, 0) - self.assertRaises(IndexError, "{0[}".format) - self.assertRaises(ValueError, "{0[}".format, []) - self.assertRaises(KeyError, "{0]}".format) - self.assertRaises(ValueError, "{0.[]}".format, 0) - self.assertRaises(ValueError, "{0..foo}".format, 0) - self.assertRaises(ValueError, "{0[0}".format, 0) - self.assertRaises(ValueError, "{0[0:foo}".format, 0) - self.assertRaises(KeyError, "{c]}".format) - self.assertRaises(ValueError, "{{ {{{0}}".format, 0) - self.assertRaises(ValueError, "{0}}".format, 0) - self.assertRaises(KeyError, "{foo}".format, bar=3) - self.assertRaises(ValueError, "{0!x}".format, 3) - self.assertRaises(ValueError, "{0!}".format, 0) - self.assertRaises(ValueError, "{0!rs}".format, 0) - self.assertRaises(ValueError, "{!}".format) - self.assertRaises(IndexError, "{:}".format) - self.assertRaises(IndexError, "{:s}".format) - self.assertRaises(IndexError, "{}".format) - - # issue 6089 - self.assertRaises(ValueError, "{0[0]x}".format, [None]) - self.assertRaises(ValueError, "{0[0](10)}".format, [None]) - - # can't have a replacement on the field name portion - self.assertRaises(TypeError, '{0[{1}]}'.format, 'abcdefg', 4) - - # exceed maximum recursion depth - self.assertRaises(ValueError, "{0:{1:{2}}}".format, 'abc', 's', '') - self.assertRaises(ValueError, "{0:{1:{2:{3:{4:{5:{6}}}}}}}".format, - 0, 1, 2, 3, 4, 5, 6, 7) - - # string format spec errors - self.assertRaises(ValueError, "{0:-s}".format, '') - self.assertRaises(ValueError, format, "", "-") - self.assertRaises(ValueError, "{0:=s}".format, '') - - def test_format_huge_precision(self): - format_string = ".{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format(2.34, format_string) - - def test_format_huge_width(self): - format_string = "{}f".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format(2.34, format_string) - - def test_format_huge_item_number(self): - format_string = "{{{}:.6f}}".format(sys.maxsize + 1) - with self.assertRaises(ValueError): - result = format_string.format(2.34) - - def test_format_auto_numbering(self): - class C: - def __init__(self, x=100): - self._x = x - def __format__(self, spec): - return spec - - self.assertEqual('{}'.format(10), '10') - self.assertEqual('{:5}'.format('s'), 's ') - self.assertEqual('{!r}'.format('s'), "'s'") - self.assertEqual('{._x}'.format(C(10)), '10') - self.assertEqual('{[1]}'.format([1, 2]), '2') - self.assertEqual('{[a]}'.format({'a':4, 'b':2}), '4') - self.assertEqual('a{}b{}c'.format(0, 1), 'a0b1c') - - self.assertEqual('a{:{}}b'.format('x', '^10'), 'a x b') - self.assertEqual('a{:{}x}b'.format(20, '#'), 'a0x14b') - - # can't mix and match numbering and auto-numbering - self.assertRaises(ValueError, '{}{1}'.format, 1, 2) - self.assertRaises(ValueError, '{1}{}'.format, 1, 2) - self.assertRaises(ValueError, '{:{1}}'.format, 1, 2) - self.assertRaises(ValueError, '{0:{}}'.format, 1, 2) - - # can mix and match auto-numbering and named - self.assertEqual('{f}{}'.format(4, f='test'), 'test4') - self.assertEqual('{}{f}'.format(4, f='test'), '4test') - self.assertEqual('{:{f}}{g}{}'.format(1, 3, g='g', f=2), ' 1g3') - self.assertEqual('{f:{}}{}{g}'.format(2, 4, f=1, g='g'), ' 14g') - - def test_buffer_is_readonly(self): - self.assertRaises(TypeError, sys.stdin.readinto, b"") - - def test_encode_and_decode_kwargs(self): - self.assertEqual('abcde'.encode('ascii', 'replace'), - 'abcde'.encode('ascii', errors='replace')) - self.assertEqual('abcde'.encode('ascii', 'ignore'), - 'abcde'.encode(encoding='ascii', errors='ignore')) - self.assertEqual('Andr\202 x'.decode('ascii', 'ignore'), - 'Andr\202 x'.decode('ascii', errors='ignore')) - self.assertEqual('Andr\202 x'.decode('ascii', 'replace'), - 'Andr\202 x'.decode(encoding='ascii', errors='replace')) - - def test_startswith_endswith_errors(self): - with self.assertRaises(UnicodeDecodeError): - '\xff'.startswith(u'x') - with self.assertRaises(UnicodeDecodeError): - '\xff'.endswith(u'x') - for meth in ('foo'.startswith, 'foo'.endswith): - with self.assertRaises(TypeError) as cm: - meth(['f']) - exc = str(cm.exception) - self.assertIn('unicode', exc) - self.assertIn('str', exc) - self.assertIn('tuple', exc) - -def test_main(): - test_support.run_unittest(StrTest) - -if __name__ == "__main__": - test_main() |