| """ |
| Common tests shared by test_str, test_unicode, test_userstring and test_string. |
| """ |
| |
| import unittest, string, sys |
| from test import test_support |
| from UserList import UserList |
| |
| class Sequence: |
| def __init__(self, seq='wxyz'): self.seq = seq |
| def __len__(self): return len(self.seq) |
| def __getitem__(self, i): return self.seq[i] |
| |
| class BadSeq1(Sequence): |
| def __init__(self): self.seq = [7, 'hello', 123L] |
| |
| class BadSeq2(Sequence): |
| def __init__(self): self.seq = ['a', 'b', 'c'] |
| def __len__(self): return 8 |
| |
| class CommonTest(unittest.TestCase): |
| # This testcase contains test that can be used in all |
| # stringlike classes. Currently this is str, unicode |
| # UserString and the string module. |
| |
| # The type to be tested |
| # Change in subclasses to change the behaviour of fixtesttype() |
| type2test = None |
| |
| # All tests pass their arguments to the testing methods |
| # as str objects. fixtesttype() can be used to propagate |
| # these arguments to the appropriate type |
| def fixtype(self, obj): |
| if isinstance(obj, str): |
| return self.__class__.type2test(obj) |
| elif isinstance(obj, list): |
| return [self.fixtype(x) for x in obj] |
| elif isinstance(obj, tuple): |
| return tuple([self.fixtype(x) for x in obj]) |
| elif isinstance(obj, dict): |
| return dict([ |
| (self.fixtype(key), self.fixtype(value)) |
| for (key, value) in obj.iteritems() |
| ]) |
| else: |
| return obj |
| |
| # check that object.method(*args) returns result |
| def checkequal(self, result, object, methodname, *args): |
| result = self.fixtype(result) |
| object = self.fixtype(object) |
| args = self.fixtype(args) |
| realresult = getattr(object, methodname)(*args) |
| self.assertEqual( |
| result, |
| realresult |
| ) |
| # if the original is returned make sure that |
| # this doesn't happen with subclasses |
| if object == realresult: |
| class subtype(self.__class__.type2test): |
| pass |
| object = subtype(object) |
| realresult = getattr(object, methodname)(*args) |
| self.assert_(object is not realresult) |
| |
| # check that object.method(*args) raises exc |
| def checkraises(self, exc, object, methodname, *args): |
| object = self.fixtype(object) |
| args = self.fixtype(args) |
| self.assertRaises( |
| exc, |
| getattr(object, methodname), |
| *args |
| ) |
| |
| # call object.method(*args) without any checks |
| def checkcall(self, object, methodname, *args): |
| object = self.fixtype(object) |
| args = self.fixtype(args) |
| getattr(object, methodname)(*args) |
| |
| def test_capitalize(self): |
| self.checkequal(' hello ', ' hello ', 'capitalize') |
| self.checkequal('Hello ', 'Hello ','capitalize') |
| self.checkequal('Hello ', 'hello ','capitalize') |
| self.checkequal('Aaaa', 'aaaa', 'capitalize') |
| self.checkequal('Aaaa', 'AaAa', 'capitalize') |
| |
| self.checkraises(TypeError, 'hello', 'capitalize', 42) |
| |
| def test_count(self): |
| self.checkequal(3, 'aaa', 'count', 'a') |
| self.checkequal(0, 'aaa', 'count', 'b') |
| self.checkequal(3, 'aaa', 'count', 'a') |
| self.checkequal(0, 'aaa', 'count', 'b') |
| self.checkequal(3, 'aaa', 'count', 'a') |
| self.checkequal(0, 'aaa', 'count', 'b') |
| self.checkequal(0, 'aaa', 'count', 'b') |
| self.checkequal(1, 'aaa', 'count', 'a', -1) |
| self.checkequal(3, 'aaa', 'count', 'a', -10) |
| self.checkequal(2, 'aaa', 'count', 'a', 0, -1) |
| self.checkequal(0, 'aaa', 'count', 'a', 0, -10) |
| |
| self.checkraises(TypeError, 'hello', 'count') |
| self.checkraises(TypeError, 'hello', 'count', 42) |
| |
| def test_find(self): |
| self.checkequal(0, 'abcdefghiabc', 'find', 'abc') |
| self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1) |
| self.checkequal(-1, 'abcdefghiabc', 'find', 'def', 4) |
| |
| self.checkraises(TypeError, 'hello', 'find') |
| self.checkraises(TypeError, 'hello', 'find', 42) |
| |
| def test_rfind(self): |
| self.checkequal(9, 'abcdefghiabc', 'rfind', 'abc') |
| self.checkequal(12, 'abcdefghiabc', 'rfind', '') |
| self.checkequal(0, 'abcdefghiabc', 'rfind', 'abcd') |
| self.checkequal(-1, 'abcdefghiabc', 'rfind', 'abcz') |
| |
| self.checkraises(TypeError, 'hello', 'rfind') |
| self.checkraises(TypeError, 'hello', 'rfind', 42) |
| |
| def test_index(self): |
| self.checkequal(0, 'abcdefghiabc', 'index', '') |
| self.checkequal(3, 'abcdefghiabc', 'index', 'def') |
| self.checkequal(0, 'abcdefghiabc', 'index', 'abc') |
| self.checkequal(9, 'abcdefghiabc', 'index', 'abc', 1) |
| |
| self.checkraises(ValueError, 'abcdefghiabc', 'index', 'hib') |
| self.checkraises(ValueError, 'abcdefghiab', 'index', 'abc', 1) |
| self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', 8) |
| self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', -1) |
| |
| self.checkraises(TypeError, 'hello', 'index') |
| self.checkraises(TypeError, 'hello', 'index', 42) |
| |
| def test_rindex(self): |
| self.checkequal(12, 'abcdefghiabc', 'rindex', '') |
| self.checkequal(3, 'abcdefghiabc', 'rindex', 'def') |
| self.checkequal(9, 'abcdefghiabc', 'rindex', 'abc') |
| self.checkequal(0, 'abcdefghiabc', 'rindex', 'abc', 0, -1) |
| |
| self.checkraises(ValueError, 'abcdefghiabc', 'rindex', 'hib') |
| self.checkraises(ValueError, 'defghiabc', 'rindex', 'def', 1) |
| self.checkraises(ValueError, 'defghiabc', 'rindex', 'abc', 0, -1) |
| self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, 8) |
| self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, -1) |
| |
| self.checkraises(TypeError, 'hello', 'rindex') |
| self.checkraises(TypeError, 'hello', 'rindex', 42) |
| |
| def test_lower(self): |
| self.checkequal('hello', 'HeLLo', 'lower') |
| self.checkequal('hello', 'hello', 'lower') |
| self.checkraises(TypeError, 'hello', 'lower', 42) |
| |
| def test_upper(self): |
| self.checkequal('HELLO', 'HeLLo', 'upper') |
| self.checkequal('HELLO', 'HELLO', 'upper') |
| self.checkraises(TypeError, 'hello', 'upper', 42) |
| |
| def test_expandtabs(self): |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs') |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 4) |
| self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi', 'expandtabs', 4) |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs') |
| self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi', 'expandtabs', 8) |
| self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi', 'expandtabs', 4) |
| |
| self.checkraises(TypeError, 'hello', 'expandtabs', 42, 42) |
| |
| def test_split(self): |
| self.checkequal(['this', 'is', 'the', 'split', 'function'], |
| 'this is the split function', 'split') |
| self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|') |
| self.checkequal(['a', 'b', 'c|d'], 'a|b|c|d', 'split', '|', 2) |
| self.checkequal(['a', 'b c d'], 'a b c d', 'split', None, 1) |
| self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 3) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 4) |
| self.checkequal(['a b c d'], 'a b c d', 'split', None, 0) |
| self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'split') |
| self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//') |
| self.checkequal(['endcase ', ''], 'endcase test', 'split', 'test') |
| |
| self.checkraises(TypeError, 'hello', 'split', 42, 42, 42) |
| |
| def test_rsplit(self): |
| self.checkequal(['this', 'is', 'the', 'rsplit', 'function'], |
| 'this is the rsplit function', 'rsplit') |
| self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|') |
| self.checkequal(['a|b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 2) |
| self.checkequal(['a b c', 'd'], 'a b c d', 'rsplit', None, 1) |
| self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 3) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 4) |
| self.checkequal(['a b c d'], 'a b c d', 'rsplit', None, 0) |
| self.checkequal(['a, b, c', 'd'], 'a, b, c, d', 'rsplit', ', ', 1) |
| self.checkequal(['a, b', 'c', 'd'], 'a, b, c, d', 'rsplit', ', ', 2) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a, b, c, d', 'rsplit', ', ', 3) |
| self.checkequal(['a', 'b', 'c', 'd'], 'a, b, c, d', 'rsplit', ', ', 4) |
| self.checkequal(['a, b, c, d'], 'a, b, c, d', 'rsplit', ', ', 0) |
| self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2) |
| self.checkequal(['a\x00b', 'c'], 'a\x00b\x00c', 'rsplit', '\x00', 1) |
| self.checkequal(['', ''], 'abcd', 'rsplit', 'abcd') |
| self.checkequal([u'a b', u'c', u'd'], 'a b c d', 'rsplit', u' ', 2) |
| |
| def test_strip(self): |
| self.checkequal('hello', ' hello ', 'strip') |
| self.checkequal('hello ', ' hello ', 'lstrip') |
| self.checkequal(' hello', ' hello ', 'rstrip') |
| self.checkequal('hello', 'hello', 'strip') |
| |
| # strip/lstrip/rstrip with None arg |
| self.checkequal('hello', ' hello ', 'strip', None) |
| self.checkequal('hello ', ' hello ', 'lstrip', None) |
| self.checkequal(' hello', ' hello ', 'rstrip', None) |
| self.checkequal('hello', 'hello', 'strip', None) |
| |
| # strip/lstrip/rstrip with str arg |
| self.checkequal('hello', 'xyzzyhelloxyzzy', 'strip', 'xyz') |
| self.checkequal('helloxyzzy', 'xyzzyhelloxyzzy', 'lstrip', 'xyz') |
| self.checkequal('xyzzyhello', 'xyzzyhelloxyzzy', 'rstrip', 'xyz') |
| self.checkequal('hello', 'hello', 'strip', 'xyz') |
| |
| # strip/lstrip/rstrip with unicode arg |
| if test_support.have_unicode: |
| self.checkequal(unicode('hello', 'ascii'), 'xyzzyhelloxyzzy', |
| 'strip', unicode('xyz', 'ascii')) |
| self.checkequal(unicode('helloxyzzy', 'ascii'), 'xyzzyhelloxyzzy', |
| 'lstrip', unicode('xyz', 'ascii')) |
| self.checkequal(unicode('xyzzyhello', 'ascii'), 'xyzzyhelloxyzzy', |
| 'rstrip', unicode('xyz', 'ascii')) |
| self.checkequal(unicode('hello', 'ascii'), 'hello', |
| 'strip', unicode('xyz', 'ascii')) |
| |
| self.checkraises(TypeError, 'hello', 'strip', 42, 42) |
| self.checkraises(TypeError, 'hello', 'lstrip', 42, 42) |
| self.checkraises(TypeError, 'hello', 'rstrip', 42, 42) |
| |
| def test_ljust(self): |
| self.checkequal('abc ', 'abc', 'ljust', 10) |
| self.checkequal('abc ', 'abc', 'ljust', 6) |
| self.checkequal('abc', 'abc', 'ljust', 3) |
| self.checkequal('abc', 'abc', 'ljust', 2) |
| self.checkequal('abc*******', 'abc', 'ljust', 10, '*') |
| self.checkraises(TypeError, 'abc', 'ljust') |
| |
| def test_rjust(self): |
| self.checkequal(' abc', 'abc', 'rjust', 10) |
| self.checkequal(' abc', 'abc', 'rjust', 6) |
| self.checkequal('abc', 'abc', 'rjust', 3) |
| self.checkequal('abc', 'abc', 'rjust', 2) |
| self.checkequal('*******abc', 'abc', 'rjust', 10, '*') |
| self.checkraises(TypeError, 'abc', 'rjust') |
| |
| def test_center(self): |
| self.checkequal(' abc ', 'abc', 'center', 10) |
| self.checkequal(' abc ', 'abc', 'center', 6) |
| self.checkequal('abc', 'abc', 'center', 3) |
| self.checkequal('abc', 'abc', 'center', 2) |
| self.checkequal('***abc****', 'abc', 'center', 10, '*') |
| self.checkraises(TypeError, 'abc', 'center') |
| |
| def test_swapcase(self): |
| self.checkequal('hEllO CoMPuTErS', 'HeLLo cOmpUteRs', 'swapcase') |
| |
| self.checkraises(TypeError, 'hello', 'swapcase', 42) |
| |
| def test_replace(self): |
| self.checkequal('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1) |
| self.checkequal('onetwothree', 'one!two!three!', 'replace', '!', '') |
| self.checkequal('one@two@three!', 'one!two!three!', 'replace', '!', '@', 2) |
| self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 3) |
| self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 4) |
| self.checkequal('one!two!three!', 'one!two!three!', 'replace', '!', '@', 0) |
| self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@') |
| self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@') |
| self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@', 2) |
| self.checkequal('-a-b-c-', 'abc', 'replace', '', '-') |
| self.checkequal('-a-b-c', 'abc', 'replace', '', '-', 3) |
| self.checkequal('abc', 'abc', 'replace', '', '-', 0) |
| self.checkequal('', '', 'replace', '', '') |
| self.checkequal('abc', 'abc', 'replace', 'ab', '--', 0) |
| self.checkequal('abc', 'abc', 'replace', 'xy', '--') |
| # Next three for SF bug 422088: [OSF1 alpha] string.replace(); died with |
| # MemoryError due to empty result (platform malloc issue when requesting |
| # 0 bytes). |
| self.checkequal('', '123', 'replace', '123', '') |
| self.checkequal('', '123123', 'replace', '123', '') |
| self.checkequal('x', '123x123', 'replace', '123', '') |
| |
| self.checkraises(TypeError, 'hello', 'replace') |
| self.checkraises(TypeError, 'hello', 'replace', 42) |
| self.checkraises(TypeError, 'hello', 'replace', 42, 'h') |
| self.checkraises(TypeError, 'hello', 'replace', 'h', 42) |
| |
| def test_zfill(self): |
| self.checkequal('123', '123', 'zfill', 2) |
| self.checkequal('123', '123', 'zfill', 3) |
| self.checkequal('0123', '123', 'zfill', 4) |
| self.checkequal('+123', '+123', 'zfill', 3) |
| self.checkequal('+123', '+123', 'zfill', 4) |
| self.checkequal('+0123', '+123', 'zfill', 5) |
| self.checkequal('-123', '-123', 'zfill', 3) |
| self.checkequal('-123', '-123', 'zfill', 4) |
| self.checkequal('-0123', '-123', 'zfill', 5) |
| self.checkequal('000', '', 'zfill', 3) |
| self.checkequal('34', '34', 'zfill', 1) |
| self.checkequal('0034', '34', 'zfill', 4) |
| |
| self.checkraises(TypeError, '123', 'zfill') |
| |
| class MixinStrUnicodeUserStringTest: |
| # additional tests that only work for |
| # stringlike objects, i.e. str, unicode, UserString |
| # (but not the string module) |
| |
| def test_islower(self): |
| self.checkequal(False, '', 'islower') |
| self.checkequal(True, 'a', 'islower') |
| self.checkequal(False, 'A', 'islower') |
| self.checkequal(False, '\n', 'islower') |
| self.checkequal(True, 'abc', 'islower') |
| self.checkequal(False, 'aBc', 'islower') |
| self.checkequal(True, 'abc\n', 'islower') |
| self.checkraises(TypeError, 'abc', 'islower', 42) |
| |
| def test_isupper(self): |
| self.checkequal(False, '', 'isupper') |
| self.checkequal(False, 'a', 'isupper') |
| self.checkequal(True, 'A', 'isupper') |
| self.checkequal(False, '\n', 'isupper') |
| self.checkequal(True, 'ABC', 'isupper') |
| self.checkequal(False, 'AbC', 'isupper') |
| self.checkequal(True, 'ABC\n', 'isupper') |
| self.checkraises(TypeError, 'abc', 'isupper', 42) |
| |
| def test_istitle(self): |
| self.checkequal(False, '', 'istitle') |
| self.checkequal(False, 'a', 'istitle') |
| self.checkequal(True, 'A', 'istitle') |
| self.checkequal(False, '\n', 'istitle') |
| self.checkequal(True, 'A Titlecased Line', 'istitle') |
| self.checkequal(True, 'A\nTitlecased Line', 'istitle') |
| self.checkequal(True, 'A Titlecased, Line', 'istitle') |
| self.checkequal(False, 'Not a capitalized String', 'istitle') |
| self.checkequal(False, 'Not\ta Titlecase String', 'istitle') |
| self.checkequal(False, 'Not--a Titlecase String', 'istitle') |
| self.checkequal(False, 'NOT', 'istitle') |
| self.checkraises(TypeError, 'abc', 'istitle', 42) |
| |
| def test_isspace(self): |
| self.checkequal(False, '', 'isspace') |
| self.checkequal(False, 'a', 'isspace') |
| self.checkequal(True, ' ', 'isspace') |
| self.checkequal(True, '\t', 'isspace') |
| self.checkequal(True, '\r', 'isspace') |
| self.checkequal(True, '\n', 'isspace') |
| self.checkequal(True, ' \t\r\n', 'isspace') |
| self.checkequal(False, ' \t\r\na', 'isspace') |
| self.checkraises(TypeError, 'abc', 'isspace', 42) |
| |
| def test_isalpha(self): |
| self.checkequal(False, '', 'isalpha') |
| self.checkequal(True, 'a', 'isalpha') |
| self.checkequal(True, 'A', 'isalpha') |
| self.checkequal(False, '\n', 'isalpha') |
| self.checkequal(True, 'abc', 'isalpha') |
| self.checkequal(False, 'aBc123', 'isalpha') |
| self.checkequal(False, 'abc\n', 'isalpha') |
| self.checkraises(TypeError, 'abc', 'isalpha', 42) |
| |
| def test_isalnum(self): |
| self.checkequal(False, '', 'isalnum') |
| self.checkequal(True, 'a', 'isalnum') |
| self.checkequal(True, 'A', 'isalnum') |
| self.checkequal(False, '\n', 'isalnum') |
| self.checkequal(True, '123abc456', 'isalnum') |
| self.checkequal(True, 'a1b3c', 'isalnum') |
| self.checkequal(False, 'aBc000 ', 'isalnum') |
| self.checkequal(False, 'abc\n', 'isalnum') |
| self.checkraises(TypeError, 'abc', 'isalnum', 42) |
| |
| def test_isdigit(self): |
| self.checkequal(False, '', 'isdigit') |
| self.checkequal(False, 'a', 'isdigit') |
| self.checkequal(True, '0', 'isdigit') |
| self.checkequal(True, '0123456789', 'isdigit') |
| self.checkequal(False, '0123456789a', 'isdigit') |
| |
| self.checkraises(TypeError, 'abc', 'isdigit', 42) |
| |
| def test_title(self): |
| self.checkequal(' Hello ', ' hello ', 'title') |
| self.checkequal('Hello ', 'hello ', 'title') |
| self.checkequal('Hello ', 'Hello ', 'title') |
| self.checkequal('Format This As Title String', "fOrMaT thIs aS titLe String", 'title') |
| self.checkequal('Format,This-As*Title;String', "fOrMaT,thIs-aS*titLe;String", 'title', ) |
| self.checkequal('Getint', "getInt", 'title') |
| self.checkraises(TypeError, 'hello', 'title', 42) |
| |
| def test_splitlines(self): |
| self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\rghi", 'splitlines') |
| self.checkequal(['abc', 'def', '', 'ghi'], "abc\ndef\n\r\nghi", 'splitlines') |
| self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi", 'splitlines') |
| self.checkequal(['abc', 'def', 'ghi'], "abc\ndef\r\nghi\n", 'splitlines') |
| self.checkequal(['abc', 'def', 'ghi', ''], "abc\ndef\r\nghi\n\r", 'splitlines') |
| self.checkequal(['', 'abc', 'def', 'ghi', ''], "\nabc\ndef\r\nghi\n\r", 'splitlines') |
| self.checkequal(['\n', 'abc\n', 'def\r\n', 'ghi\n', '\r'], "\nabc\ndef\r\nghi\n\r", 'splitlines', 1) |
| |
| self.checkraises(TypeError, 'abc', 'splitlines', 42, 42) |
| |
| def test_startswith(self): |
| self.checkequal(True, 'hello', 'startswith', 'he') |
| self.checkequal(True, 'hello', 'startswith', 'hello') |
| self.checkequal(False, 'hello', 'startswith', 'hello world') |
| self.checkequal(True, 'hello', 'startswith', '') |
| self.checkequal(False, 'hello', 'startswith', 'ello') |
| self.checkequal(True, 'hello', 'startswith', 'ello', 1) |
| self.checkequal(True, 'hello', 'startswith', 'o', 4) |
| self.checkequal(False, 'hello', 'startswith', 'o', 5) |
| self.checkequal(True, 'hello', 'startswith', '', 5) |
| self.checkequal(False, 'hello', 'startswith', 'lo', 6) |
| self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3) |
| self.checkequal(True, 'helloworld', 'startswith', 'lowo', 3, 7) |
| self.checkequal(False, 'helloworld', 'startswith', 'lowo', 3, 6) |
| |
| # test negative indices |
| self.checkequal(True, 'hello', 'startswith', 'he', 0, -1) |
| self.checkequal(True, 'hello', 'startswith', 'he', -53, -1) |
| self.checkequal(False, 'hello', 'startswith', 'hello', 0, -1) |
| self.checkequal(False, 'hello', 'startswith', 'hello world', -1, -10) |
| self.checkequal(False, 'hello', 'startswith', 'ello', -5) |
| self.checkequal(True, 'hello', 'startswith', 'ello', -4) |
| self.checkequal(False, 'hello', 'startswith', 'o', -2) |
| self.checkequal(True, 'hello', 'startswith', 'o', -1) |
| self.checkequal(True, 'hello', 'startswith', '', -3, -3) |
| self.checkequal(False, 'hello', 'startswith', 'lo', -9) |
| |
| self.checkraises(TypeError, 'hello', 'startswith') |
| self.checkraises(TypeError, 'hello', 'startswith', 42) |
| |
| def test_endswith(self): |
| self.checkequal(True, 'hello', 'endswith', 'lo') |
| self.checkequal(False, 'hello', 'endswith', 'he') |
| self.checkequal(True, 'hello', 'endswith', '') |
| self.checkequal(False, 'hello', 'endswith', 'hello world') |
| self.checkequal(False, 'helloworld', 'endswith', 'worl') |
| self.checkequal(True, 'helloworld', 'endswith', 'worl', 3, 9) |
| self.checkequal(True, 'helloworld', 'endswith', 'world', 3, 12) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', 1, 7) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', 2, 7) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', 3, 7) |
| self.checkequal(False, 'helloworld', 'endswith', 'lowo', 4, 7) |
| self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, 8) |
| self.checkequal(False, 'ab', 'endswith', 'ab', 0, 1) |
| self.checkequal(False, 'ab', 'endswith', 'ab', 0, 0) |
| |
| # test negative indices |
| self.checkequal(True, 'hello', 'endswith', 'lo', -2) |
| self.checkequal(False, 'hello', 'endswith', 'he', -2) |
| self.checkequal(True, 'hello', 'endswith', '', -3, -3) |
| self.checkequal(False, 'hello', 'endswith', 'hello world', -10, -2) |
| self.checkequal(False, 'helloworld', 'endswith', 'worl', -6) |
| self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, -1) |
| self.checkequal(True, 'helloworld', 'endswith', 'worl', -5, 9) |
| self.checkequal(True, 'helloworld', 'endswith', 'world', -7, 12) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', -99, -3) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', -8, -3) |
| self.checkequal(True, 'helloworld', 'endswith', 'lowo', -7, -3) |
| self.checkequal(False, 'helloworld', 'endswith', 'lowo', 3, -4) |
| self.checkequal(False, 'helloworld', 'endswith', 'lowo', -8, -2) |
| |
| self.checkraises(TypeError, 'hello', 'endswith') |
| self.checkraises(TypeError, 'hello', 'endswith', 42) |
| |
| def test___contains__(self): |
| self.checkequal(True, '', '__contains__', '') # vereq('' in '', True) |
| self.checkequal(True, 'abc', '__contains__', '') # vereq('' in 'abc', True) |
| self.checkequal(False, 'abc', '__contains__', '\0') # vereq('\0' in 'abc', False) |
| self.checkequal(True, '\0abc', '__contains__', '\0') # vereq('\0' in '\0abc', True) |
| self.checkequal(True, 'abc\0', '__contains__', '\0') # vereq('\0' in 'abc\0', True) |
| self.checkequal(True, '\0abc', '__contains__', 'a') # vereq('a' in '\0abc', True) |
| self.checkequal(True, 'asdf', '__contains__', 'asdf') # vereq('asdf' in 'asdf', True) |
| self.checkequal(False, 'asd', '__contains__', 'asdf') # vereq('asdf' in 'asd', False) |
| self.checkequal(False, '', '__contains__', 'asdf') # vereq('asdf' in '', False) |
| |
| def test_subscript(self): |
| self.checkequal(u'a', 'abc', '__getitem__', 0) |
| self.checkequal(u'c', 'abc', '__getitem__', -1) |
| self.checkequal(u'a', 'abc', '__getitem__', 0L) |
| self.checkequal(u'abc', 'abc', '__getitem__', slice(0, 3)) |
| self.checkequal(u'abc', 'abc', '__getitem__', slice(0, 1000)) |
| self.checkequal(u'a', 'abc', '__getitem__', slice(0, 1)) |
| self.checkequal(u'', 'abc', '__getitem__', slice(0, 0)) |
| # FIXME What about negative indizes? This is handled differently by [] and __getitem__(slice) |
| |
| self.checkraises(TypeError, 'abc', '__getitem__', 'def') |
| |
| def test_slice(self): |
| self.checkequal('abc', 'abc', '__getslice__', 0, 1000) |
| self.checkequal('abc', 'abc', '__getslice__', 0, 3) |
| self.checkequal('ab', 'abc', '__getslice__', 0, 2) |
| self.checkequal('bc', 'abc', '__getslice__', 1, 3) |
| self.checkequal('b', 'abc', '__getslice__', 1, 2) |
| self.checkequal('', 'abc', '__getslice__', 2, 2) |
| self.checkequal('', 'abc', '__getslice__', 1000, 1000) |
| self.checkequal('', 'abc', '__getslice__', 2000, 1000) |
| self.checkequal('', 'abc', '__getslice__', 2, 1) |
| # FIXME What about negative indizes? This is handled differently by [] and __getslice__ |
| |
| self.checkraises(TypeError, 'abc', '__getslice__', 'def') |
| |
| def test_mul(self): |
| self.checkequal('', 'abc', '__mul__', -1) |
| self.checkequal('', 'abc', '__mul__', 0) |
| self.checkequal('abc', 'abc', '__mul__', 1) |
| self.checkequal('abcabcabc', 'abc', '__mul__', 3) |
| self.checkraises(TypeError, 'abc', '__mul__') |
| self.checkraises(TypeError, 'abc', '__mul__', '') |
| self.checkraises(OverflowError, 10000*'abc', '__mul__', 2000000000) |
| |
| def test_join(self): |
| # join now works with any sequence type |
| # moved here, because the argument order is |
| # different in string.join (see the test in |
| # test.test_string.StringTest.test_join) |
| self.checkequal('a b c d', ' ', 'join', ['a', 'b', 'c', 'd']) |
| self.checkequal('abcd', '', 'join', ('a', 'b', 'c', 'd')) |
| self.checkequal('w x y z', ' ', 'join', Sequence()) |
| self.checkequal('abc', 'a', 'join', ('abc',)) |
| self.checkequal('z', 'a', 'join', UserList(['z'])) |
| if test_support.have_unicode: |
| self.checkequal(unicode('a.b.c'), unicode('.'), 'join', ['a', 'b', 'c']) |
| self.checkequal(unicode('a.b.c'), '.', 'join', [unicode('a'), 'b', 'c']) |
| self.checkequal(unicode('a.b.c'), '.', 'join', ['a', unicode('b'), 'c']) |
| self.checkequal(unicode('a.b.c'), '.', 'join', ['a', 'b', unicode('c')]) |
| self.checkraises(TypeError, '.', 'join', ['a', unicode('b'), 3]) |
| for i in [5, 25, 125]: |
| self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join', |
| ['a' * i] * i) |
| self.checkequal(((('a' * i) + '-') * i)[:-1], '-', 'join', |
| ('a' * i,) * i) |
| |
| self.checkraises(TypeError, ' ', 'join', BadSeq1()) |
| self.checkequal('a b c', ' ', 'join', BadSeq2()) |
| |
| self.checkraises(TypeError, ' ', 'join') |
| self.checkraises(TypeError, ' ', 'join', 7) |
| self.checkraises(TypeError, ' ', 'join', Sequence([7, 'hello', 123L])) |
| |
| def test_formatting(self): |
| self.checkequal('+hello+', '+%s+', '__mod__', 'hello') |
| self.checkequal('+10+', '+%d+', '__mod__', 10) |
| self.checkequal('a', "%c", '__mod__', "a") |
| self.checkequal('a', "%c", '__mod__', "a") |
| self.checkequal('"', "%c", '__mod__', 34) |
| self.checkequal('$', "%c", '__mod__', 36) |
| self.checkequal('10', "%d", '__mod__', 10) |
| self.checkequal('\x7f', "%c", '__mod__', 0x7f) |
| |
| for ordinal in (-100, 0x200000): |
| # unicode raises ValueError, str raises OverflowError |
| self.checkraises((ValueError, OverflowError), '%c', '__mod__', ordinal) |
| |
| self.checkequal(' 42', '%3ld', '__mod__', 42) |
| self.checkequal('0042.00', '%07.2f', '__mod__', 42) |
| self.checkequal('0042.00', '%07.2F', '__mod__', 42) |
| |
| self.checkraises(TypeError, 'abc', '__mod__') |
| self.checkraises(TypeError, '%(foo)s', '__mod__', 42) |
| self.checkraises(TypeError, '%s%s', '__mod__', (42,)) |
| self.checkraises(TypeError, '%c', '__mod__', (None,)) |
| self.checkraises(ValueError, '%(foo', '__mod__', {}) |
| self.checkraises(TypeError, '%(foo)s %(bar)s', '__mod__', ('foo', 42)) |
| |
| # argument names with properly nested brackets are supported |
| self.checkequal('bar', '%((foo))s', '__mod__', {'(foo)': 'bar'}) |
| |
| # 100 is a magic number in PyUnicode_Format, this forces a resize |
| self.checkequal(103*'a'+'x', '%sx', '__mod__', 103*'a') |
| |
| self.checkraises(TypeError, '%*s', '__mod__', ('foo', 'bar')) |
| self.checkraises(TypeError, '%10.*f', '__mod__', ('foo', 42.)) |
| self.checkraises(ValueError, '%10', '__mod__', (42,)) |
| |
| def test_floatformatting(self): |
| # float formatting |
| for prec in xrange(100): |
| format = '%%.%if' % prec |
| value = 0.01 |
| for x in xrange(60): |
| value = value * 3.141592655 / 3.0 * 10.0 |
| # The formatfloat() code in stringobject.c and |
| # unicodeobject.c uses a 120 byte buffer and switches from |
| # 'f' formatting to 'g' at precision 50, so we expect |
| # OverflowErrors for the ranges x < 50 and prec >= 67. |
| if x < 50 and prec >= 67: |
| self.checkraises(OverflowError, format, "__mod__", value) |
| else: |
| self.checkcall(format, "__mod__", value) |
| |
| class MixinStrStringUserStringTest: |
| # Additional tests for 8bit strings, i.e. str, UserString and |
| # the string module |
| |
| def test_maketrans(self): |
| self.assertEqual( |
| ''.join(map(chr, xrange(256))).replace('abc', 'xyz'), |
| string.maketrans('abc', 'xyz') |
| ) |
| self.assertRaises(ValueError, string.maketrans, 'abc', 'xyzw') |
| |
| def test_translate(self): |
| table = string.maketrans('abc', 'xyz') |
| self.checkequal('xyzxyz', 'xyzabcdef', 'translate', table, 'def') |
| |
| table = string.maketrans('a', 'A') |
| self.checkequal('Abc', 'abc', 'translate', table) |
| self.checkequal('xyz', 'xyz', 'translate', table) |
| self.checkequal('yz', 'xyz', 'translate', table, 'x') |
| self.checkraises(ValueError, 'xyz', 'translate', 'too short', 'strip') |
| self.checkraises(ValueError, 'xyz', 'translate', 'too short') |
| |
| |
| class MixinStrUserStringTest: |
| # Additional tests that only work with |
| # 8bit compatible object, i.e. str and UserString |
| |
| def test_encoding_decoding(self): |
| codecs = [('rot13', 'uryyb jbeyq'), |
| ('base64', 'aGVsbG8gd29ybGQ=\n'), |
| ('hex', '68656c6c6f20776f726c64'), |
| ('uu', 'begin 666 <data>\n+:&5L;&\\@=V]R;&0 \n \nend\n')] |
| for encoding, data in codecs: |
| self.checkequal(data, 'hello world', 'encode', encoding) |
| self.checkequal('hello world', data, 'decode', encoding) |
| # zlib is optional, so we make the test optional too... |
| try: |
| import zlib |
| except ImportError: |
| pass |
| else: |
| data = 'x\x9c\xcbH\xcd\xc9\xc9W(\xcf/\xcaI\x01\x00\x1a\x0b\x04]' |
| self.checkequal(data, 'hello world', 'encode', 'zlib') |
| self.checkequal('hello world', data, 'decode', 'zlib') |
| |
| self.checkraises(TypeError, 'xyz', 'decode', 42) |
| self.checkraises(TypeError, 'xyz', 'encode', 42) |