""" 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', 123] class BadSeq2(Sequence): def __init__(self): self.seq = ['a', 'b', 'c'] def __len__(self): return 8 class BaseTest(unittest.TestCase): # These tests are for buffers of values (bytes) and not # specific to character interpretation, used for bytes objects # and various string implementations # 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.items() ]) 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_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(2, 'aaa', 'count', 'a', 1) self.checkequal(0, 'aaa', 'count', 'a', 10) self.checkequal(1, 'aaa', 'count', 'a', -1) self.checkequal(3, 'aaa', 'count', 'a', -10) self.checkequal(1, 'aaa', 'count', 'a', 0, 1) self.checkequal(3, 'aaa', 'count', 'a', 0, 10) self.checkequal(2, 'aaa', 'count', 'a', 0, -1) self.checkequal(0, 'aaa', 'count', 'a', 0, -10) self.checkequal(3, 'aaa', 'count', '', 1) self.checkequal(1, 'aaa', 'count', '', 3) self.checkequal(0, 'aaa', 'count', '', 10) self.checkequal(2, 'aaa', 'count', '', -1) self.checkequal(4, 'aaa', 'count', '', -10) self.checkraises(TypeError, 'hello', 'count') self.checkraises(TypeError, 'hello', 'count', 42) # For a variety of combinations, # verify that str.count() matches an equivalent function # replacing all occurrences and then differencing the string lengths charset = ['', 'a', 'b'] digits = 7 base = len(charset) teststrings = set() for i in xrange(base ** digits): entry = [] for j in xrange(digits): i, m = divmod(i, base) entry.append(charset[m]) teststrings.add(''.join(entry)) teststrings = list(teststrings) for i in teststrings: i = self.fixtype(i) n = len(i) for j in teststrings: r1 = i.count(j) if j: r2, rem = divmod(n - len(i.replace(j, '')), len(j)) else: r2, rem = len(i)+1, 0 if rem or r1 != r2: self.assertEqual(rem, 0, '%s != 0 for %s' % (rem, i)) self.assertEqual(r1, r2, '%s != %s for %s' % (r1, r2, i)) 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.checkequal(0, 'abc', 'find', '', 0) self.checkequal(3, 'abc', 'find', '', 3) self.checkequal(-1, 'abc', 'find', '', 4) self.checkraises(TypeError, 'hello', 'find') self.checkraises(TypeError, 'hello', 'find', 42) # For a variety of combinations, # verify that str.find() matches __contains__ # and that the found substring is really at that location charset = ['', 'a', 'b', 'c'] digits = 5 base = len(charset) teststrings = set() for i in xrange(base ** digits): entry = [] for j in xrange(digits): i, m = divmod(i, base) entry.append(charset[m]) teststrings.add(''.join(entry)) teststrings = list(teststrings) for i in teststrings: i = self.fixtype(i) for j in teststrings: loc = i.find(j) r1 = (loc != -1) r2 = j in i if r1 != r2: self.assertEqual(r1, r2) if loc != -1: self.assertEqual(i[loc:loc+len(j)], j) 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.checkequal(3, 'abc', 'rfind', '', 0) self.checkequal(3, 'abc', 'rfind', '', 3) self.checkequal(-1, 'abc', 'rfind', '', 4) 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_split(self): # by a char self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|') self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0) self.checkequal(['a', 'b|c|d'], 'a|b|c|d', 'split', '|', 1) self.checkequal(['a', 'b', 'c|d'], 'a|b|c|d', 'split', '|', 2) self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 3) self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 4) self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', sys.maxint-2) self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0) self.checkequal(['a', '', 'b||c||d'], 'a||b||c||d', 'split', '|', 2) self.checkequal(['endcase ', ''], 'endcase |', 'split', '|') self.checkequal(['', ' startcase'], '| startcase', 'split', '|') self.checkequal(['', 'bothcase', ''], '|bothcase|', 'split', '|') self.checkequal(['a', '', 'b\x00c\x00d'], 'a\x00\x00b\x00c\x00d', 'split', '\x00', 2) self.checkequal(['a']*20, ('a|'*20)[:-1], 'split', '|') self.checkequal(['a']*15 +['a|a|a|a|a'], ('a|'*20)[:-1], 'split', '|', 15) # by string self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//') self.checkequal(['a', 'b//c//d'], 'a//b//c//d', 'split', '//', 1) self.checkequal(['a', 'b', 'c//d'], 'a//b//c//d', 'split', '//', 2) self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 3) self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 4) self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', sys.maxint-10) self.checkequal(['a//b//c//d'], 'a//b//c//d', 'split', '//', 0) self.checkequal(['a', '', 'b////c////d'], 'a////b////c////d', 'split', '//', 2) self.checkequal(['endcase ', ''], 'endcase test', 'split', 'test') self.checkequal(['', ' begincase'], 'test begincase', 'split', 'test') self.checkequal(['', ' bothcase ', ''], 'test bothcase test', 'split', 'test') self.checkequal(['a', 'bc'], 'abbbc', 'split', 'bb') self.checkequal(['', ''], 'aaa', 'split', 'aaa') self.checkequal(['aaa'], 'aaa', 'split', 'aaa', 0) self.checkequal(['ab', 'ab'], 'abbaab', 'split', 'ba') self.checkequal(['aaaa'], 'aaaa', 'split', 'aab') self.checkequal([''], '', 'split', 'aaa') self.checkequal(['aa'], 'aa', 'split', 'aaa') self.checkequal(['A', 'bobb'], 'Abbobbbobb', 'split', 'bbobb') self.checkequal(['A', 'B', ''], 'AbbobbBbbobb', 'split', 'bbobb') self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH') self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH', 19) self.checkequal(['a']*18 + ['aBLAHa'], ('aBLAH'*20)[:-4], 'split', 'BLAH', 18) # argument type self.checkraises(TypeError, 'hello', 'split', 42, 42, 42) # null case self.checkraises(ValueError, 'hello', 'split', '') self.checkraises(ValueError, 'hello', 'split', '', 0) def test_rsplit(self): # by a char self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|') 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', '|', sys.maxint-100) self.checkequal(['a|b|c|d'], 'a|b|c|d', 'rsplit', '|', 0) self.checkequal(['a||b||c', '', 'd'], 'a||b||c||d', 'rsplit', '|', 2) self.checkequal(['', ' begincase'], '| begincase', 'rsplit', '|') self.checkequal(['endcase ', ''], 'endcase |', 'rsplit', '|') self.checkequal(['', 'bothcase', ''], '|bothcase|', 'rsplit', '|') self.checkequal(['a\x00\x00b', 'c', 'd'], 'a\x00\x00b\x00c\x00d', 'rsplit', '\x00', 2) self.checkequal(['a']*20, ('a|'*20)[:-1], 'rsplit', '|') self.checkequal(['a|a|a|a|a']+['a']*15, ('a|'*20)[:-1], 'rsplit', '|', 15) # by string self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//') 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', '//', sys.maxint-5) self.checkequal(['a//b//c//d'], 'a//b//c//d', 'rsplit', '//', 0) self.checkequal(['a////b////c', '', 'd'], 'a////b////c////d', 'rsplit', '//', 2) self.checkequal(['', ' begincase'], 'test begincase', 'rsplit', 'test') self.checkequal(['endcase ', ''], 'endcase test', 'rsplit', 'test') self.checkequal(['', ' bothcase ', ''], 'test bothcase test', 'rsplit', 'test') self.checkequal(['ab', 'c'], 'abbbc', 'rsplit', 'bb') self.checkequal(['', ''], 'aaa', 'rsplit', 'aaa') self.checkequal(['aaa'], 'aaa', 'rsplit', 'aaa', 0) self.checkequal(['ab', 'ab'], 'abbaab', 'rsplit', 'ba') self.checkequal(['aaaa'], 'aaaa', 'rsplit', 'aab') self.checkequal([''], '', 'rsplit', 'aaa') self.checkequal(['aa'], 'aa', 'rsplit', 'aaa') self.checkequal(['bbob', 'A'], 'bbobbbobbA', 'rsplit', 'bbobb') self.checkequal(['', 'B', 'A'], 'bbobbBbbobbA', 'rsplit', 'bbobb') self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH') self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH', 19) self.checkequal(['aBLAHa'] + ['a']*18, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH', 18) # argument type self.checkraises(TypeError, 'hello', 'rsplit', 42, 42, 42) # null case self.checkraises(ValueError, 'hello', 'rsplit', '') self.checkraises(ValueError, 'hello', 'rsplit', '', 0) def test_replace(self): EQ = self.checkequal # Operations on the empty string EQ("", "", "replace", "", "") EQ("A", "", "replace", "", "A") EQ("", "", "replace", "A", "") EQ("", "", "replace", "A", "A") EQ("", "", "replace", "", "", 100) EQ("", "", "replace", "", "", sys.maxint) # interleave (from=="", 'to' gets inserted everywhere) EQ("A", "A", "replace", "", "") EQ("*A*", "A", "replace", "", "*") EQ("*1A*1", "A", "replace", "", "*1") EQ("*-#A*-#", "A", "replace", "", "*-#") EQ("*-A*-A*-", "AA", "replace", "", "*-") EQ("*-A*-A*-", "AA", "replace", "", "*-", -1) EQ("*-A*-A*-", "AA", "replace", "", "*-", sys.maxint) EQ("*-A*-A*-", "AA", "replace", "", "*-", 4) EQ("*-A*-A*-", "AA", "replace", "", "*-", 3) EQ("*-A*-A", "AA", "replace", "", "*-", 2) EQ("*-AA", "AA", "replace", "", "*-", 1) EQ("AA", "AA", "replace", "", "*-", 0) # single character deletion (from=="A", to=="") EQ("", "A", "replace", "A", "") EQ("", "AAA", "replace", "A", "") EQ("", "AAA", "replace", "A", "", -1) EQ("", "AAA", "replace", "A", "", sys.maxint) EQ("", "AAA", "replace", "A", "", 4) EQ("", "AAA", "replace", "A", "", 3) EQ("A", "AAA", "replace", "A", "", 2) EQ("AA", "AAA", "replace", "A", "", 1) EQ("AAA", "AAA", "replace", "A", "", 0) EQ("", "AAAAAAAAAA", "replace", "A", "") EQ("BCD", "ABACADA", "replace", "A", "") EQ("BCD", "ABACADA", "replace", "A", "", -1) EQ("BCD", "ABACADA", "replace", "A", "", sys.maxint) EQ("BCD", "ABACADA", "replace", "A", "", 5) EQ("BCD", "ABACADA", "replace", "A", "", 4) EQ("BCDA", "ABACADA", "replace", "A", "", 3) EQ("BCADA", "ABACADA", "replace", "A", "", 2) EQ("BACADA", "ABACADA", "replace", "A", "", 1) EQ("ABACADA", "ABACADA", "replace", "A", "", 0) EQ("BCD", "ABCAD", "replace", "A", "") EQ("BCD", "ABCADAA", "replace", "A", "") EQ("BCD", "BCD", "replace", "A", "") EQ("*************", "*************", "replace", "A", "") EQ("^A^", "^"+"A"*1000+"^", "replace", "A", "", 999) # substring deletion (from=="the", to=="") EQ("", "the", "replace", "the", "") EQ("ater", "theater", "replace", "the", "") EQ("", "thethe", "replace", "the", "") EQ("", "thethethethe", "replace", "the", "") EQ("aaaa", "theatheatheathea", "replace", "the", "") EQ("that", "that", "replace", "the", "") EQ("thaet", "thaet", "replace", "the", "") EQ("here and re", "here and there", "replace", "the", "") EQ("here and re and re", "here and there and there", "replace", "the", "", sys.maxint) EQ("here and re and re", "here and there and there", "replace", "the", "", -1) EQ("here and re and re", "here and there and there", "replace", "the", "", 3) EQ("here and re and re", "here and there and there", "replace", "the", "", 2) EQ("here and re and there", "here and there and there", "replace", "the", "", 1) EQ("here and there and there", "here and there and there", "replace", "the", "", 0) EQ("here and re and re", "here and there and there", "replace", "the", "") EQ("abc", "abc", "replace", "the", "") EQ("abcdefg", "abcdefg", "replace", "the", "") # substring deletion (from=="bob", to=="") EQ("bob", "bbobob", "replace", "bob", "") EQ("bobXbob", "bbobobXbbobob", "replace", "bob", "") EQ("aaaaaaa", "aaaaaaabob", "replace", "bob", "") EQ("aaaaaaa", "aaaaaaa", "replace", "bob", "") # single character replace in place (len(from)==len(to)==1) EQ("Who goes there?", "Who goes there?", "replace", "o", "o") EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O") EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", sys.maxint) EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", -1) EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 3) EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 2) EQ("WhO goes there?", "Who goes there?", "replace", "o", "O", 1) EQ("Who goes there?", "Who goes there?", "replace", "o", "O", 0) EQ("Who goes there?", "Who goes there?", "replace", "a", "q") EQ("who goes there?", "Who goes there?", "replace", "W", "w") EQ("wwho goes there?ww", "WWho goes there?WW", "replace", "W", "w") EQ("Who goes there!", "Who goes there?", "replace", "?", "!") EQ("Who goes there!!", "Who goes there??", "replace", "?", "!") EQ("Who goes there?", "Who goes there?", "replace", ".", "!") # substring replace in place (len(from)==len(to) > 1) EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**") EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", sys.maxint) EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", -1) EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 4) EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 3) EQ("Th** ** a tissue", "This is a tissue", "replace", "is", "**", 2) EQ("Th** is a tissue", "This is a tissue", "replace", "is", "**", 1) EQ("This is a tissue", "This is a tissue", "replace", "is", "**", 0) EQ("cobob", "bobob", "replace", "bob", "cob") EQ("cobobXcobocob", "bobobXbobobob", "replace", "bob", "cob") EQ("bobob", "bobob", "replace", "bot", "bot") # replace single character (len(from)==1, len(to)>1) EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK") EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", -1) EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", sys.maxint) EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", 2) EQ("ReyKKjavik", "Reykjavik", "replace", "k", "KK", 1) EQ("Reykjavik", "Reykjavik", "replace", "k", "KK", 0) EQ("A----B----C----", "A.B.C.", "replace", ".", "----") EQ("Reykjavik", "Reykjavik", "replace", "q", "KK") # replace substring (len(from)>1, len(to)!=len(from)) EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", "replace", "spam", "ham") EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", "replace", "spam", "ham", sys.maxint) EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", "replace", "spam", "ham", -1) EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", "replace", "spam", "ham", 4) EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam", "replace", "spam", "ham", 3) EQ("ham, ham, eggs and spam", "spam, spam, eggs and spam", "replace", "spam", "ham", 2) EQ("ham, spam, eggs and spam", "spam, spam, eggs and spam", "replace", "spam", "ham", 1) EQ("spam, spam, eggs and spam", "spam, spam, eggs and spam", "replace", "spam", "ham", 0) EQ("bobob", "bobobob", "replace", "bobob", "bob") EQ("bobobXbobob", "bobobobXbobobob", "replace", "bobob", "bob") EQ("BOBOBOB", "BOBOBOB", "replace", "bob", "bobby") ba = buffer('a') bb = buffer('b') EQ("bbc", "abc", "replace", ba, bb) EQ("aac", "abc", "replace", bb, ba) # 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_replace_overflow(self): # Check for overflow checking on 32 bit machines if sys.maxint != 2147483647: return A2_16 = "A" * (2**16) self.checkraises(OverflowError, A2_16, "replace", "", A2_16) self.checkraises(OverflowError, A2_16, "replace", "A", A2_16) self.checkraises(OverflowError, A2_16, "replace", "AA", A2_16+A2_16) class CommonTest(BaseTest): # This testcase contains test that can be used in all # stringlike classes. Currently this is str, unicode # UserString and the string module. def test_hash(self): # SF bug 1054139: += optimization was not invalidating cached hash value a = self.type2test('DNSSEC') b = self.type2test('') for c in a: b += c hash(b) self.assertEqual(hash(a), hash(b)) 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_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_additional_split(self): self.checkequal(['this', 'is', 'the', 'split', 'function'], 'this is the split function', 'split') # by whitespace self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'split') 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, sys.maxint-1) 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, 0) self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2) self.checkequal([], ' ', 'split') self.checkequal(['a'], ' a ', 'split') self.checkequal(['a', 'b'], ' a b ', 'split') self.checkequal(['a', 'b '], ' a b ', 'split', None, 1) self.checkequal(['a', 'b c '], ' a b c ', 'split', None, 1) self.checkequal(['a', 'b', 'c '], ' a b c ', 'split', None, 2) self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'split') aaa = ' a '*20 self.checkequal(['a']*20, aaa, 'split') self.checkequal(['a'] + [aaa[4:]], aaa, 'split', None, 1) self.checkequal(['a']*19 + ['a '], aaa, 'split', None, 19) # mixed use of str and unicode self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', ' ', 2) def test_additional_rsplit(self): self.checkequal(['this', 'is', 'the', 'rsplit', 'function'], 'this is the rsplit function', 'rsplit') # by whitespace self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'rsplit') 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, sys.maxint-20) self.checkequal(['a b c d'], 'a b c d', 'rsplit', None, 0) self.checkequal(['a b c d'], 'a b c d ', 'rsplit', None, 0) self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2) self.checkequal([], ' ', 'rsplit') self.checkequal(['a'], ' a ', 'rsplit') self.checkequal(['a', 'b'], ' a b ', 'rsplit') self.checkequal([' a', 'b'], ' a b ', 'rsplit', None, 1) self.checkequal([' a b','c'], ' a b c ', 'rsplit', None, 1) self.checkequal([' a', 'b', 'c'], ' a b c ', 'rsplit', None, 2) self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'rsplit', None, 88) aaa = ' a '*20 self.checkequal(['a']*20, aaa, 'rsplit') self.checkequal([aaa[:-4]] + ['a'], aaa, 'rsplit', None, 1) self.checkequal([' a a'] + ['a']*18, aaa, 'rsplit', None, 18) # mixed use of str and unicode self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', ' ', 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') 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_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) # test tuple arguments self.checkequal(True, 'hello', 'startswith', ('he', 'ha')) self.checkequal(False, 'hello', 'startswith', ('lo', 'llo')) self.checkequal(True, 'hello', 'startswith', ('hellox', 'hello')) self.checkequal(False, 'hello', 'startswith', ()) self.checkequal(True, 'helloworld', 'startswith', ('hellowo', 'rld', 'lowo'), 3) self.checkequal(False, 'helloworld', 'startswith', ('hellowo', 'ello', 'rld'), 3) self.checkequal(True, 'hello', 'startswith', ('lo', 'he'), 0, -1) self.checkequal(False, 'hello', 'startswith', ('he', 'hel'), 0, 1) self.checkequal(True, 'hello', 'startswith', ('he', 'hel'), 0, 2) 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) # test tuple arguments self.checkequal(False, 'hello', 'endswith', ('he', 'ha')) self.checkequal(True, 'hello', 'endswith', ('lo', 'llo')) self.checkequal(True, 'hello', 'endswith', ('hellox', 'hello')) self.checkequal(False, 'hello', 'endswith', ()) self.checkequal(True, 'helloworld', 'endswith', ('hellowo', 'rld', 'lowo'), 3) self.checkequal(False, 'helloworld', 'endswith', ('hellowo', 'ello', 'rld'), 3, -1) self.checkequal(True, 'hello', 'endswith', ('hell', 'ell'), 0, -1) self.checkequal(False, 'hello', 'endswith', ('he', 'hel'), 0, 1) self.checkequal(True, 'hello', 'endswith', ('he', 'hell'), 0, 4) 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('a', 'abc', '__getitem__', 0) self.checkequal('c', 'abc', '__getitem__', -1) self.checkequal('a', 'abc', '__getitem__', 0) self.checkequal('abc', 'abc', '__getitem__', slice(0, 3)) self.checkequal('abc', 'abc', '__getitem__', slice(0, 1000)) self.checkequal('a', 'abc', '__getitem__', slice(0, 1)) self.checkequal('', 'abc', '__getitem__', slice(0, 0)) # FIXME What about negative indices? 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__', '') # XXX: on a 64-bit system, this doesn't raise an overflow error, # but either raises a MemoryError, or succeeds (if you have 54TiB) #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('bd', '', 'join', ('', 'b', '', 'd')) self.checkequal('ac', '', 'join', ('a', '', 'c', '')) self.checkequal('w x y z', ' ', 'join', Sequence()) self.checkequal('abc', 'a', 'join', ('abc',)) self.checkequal('z', 'a', 'join', UserList(['z'])) self.checkequal('a.b.c', '.', 'join', ['a', 'b', 'c']) self.checkraises(TypeError, '.', 'join', ['a', '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', 123])) try: def f(): yield 4 + "" self.fixtype(' ').join(f()) except TypeError as e: if '+' not in str(e): self.fail('join() ate exception message') else: self.fail('exception not raised') 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) def test_inplace_rewrites(self): # Check that strings don't copy and modify cached single-character strings self.checkequal('a', 'A', 'lower') self.checkequal(True, 'A', 'isupper') self.checkequal('A', 'a', 'upper') self.checkequal(True, 'a', 'islower') self.checkequal('a', 'A', 'replace', 'A', 'a') self.checkequal(True, 'A', 'isupper') self.checkequal('A', 'a', 'capitalize') self.checkequal(True, 'a', 'islower') self.checkequal('A', 'a', 'swapcase') self.checkequal(True, 'a', 'islower') self.checkequal('A', 'a', 'title') self.checkequal(True, 'a', 'islower') def test_partition(self): self.checkequal(('this is the par', 'ti', 'tion method'), 'this is the partition method', 'partition', 'ti') # from raymond's original specification S = 'http://www.python.org' self.checkequal(('http', '://', 'www.python.org'), S, 'partition', '://') self.checkequal(('http://www.python.org', '', ''), S, 'partition', '?') self.checkequal(('', 'http://', 'www.python.org'), S, 'partition', 'http://') self.checkequal(('http://www.python.', 'org', ''), S, 'partition', 'org') self.checkraises(ValueError, S, 'partition', '') self.checkraises(TypeError, S, 'partition', None) def test_rpartition(self): self.checkequal(('this is the rparti', 'ti', 'on method'), 'this is the rpartition method', 'rpartition', 'ti') # from raymond's original specification S = 'http://www.python.org' self.checkequal(('http', '://', 'www.python.org'), S, 'rpartition', '://') self.checkequal(('', '', 'http://www.python.org'), S, 'rpartition', '?') self.checkequal(('', 'http://', 'www.python.org'), S, 'rpartition', 'http://') self.checkequal(('http://www.python.', 'org', ''), S, 'rpartition', 'org') self.checkraises(ValueError, S, 'rpartition', '') self.checkraises(TypeError, S, 'rpartition', None) 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.checkequal('yx', 'zyzzx', 'translate', None, 'z') self.checkequal('zyzzx', 'zyzzx', 'translate', None, '') self.checkequal('zyzzx', 'zyzzx', 'translate', None) 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 if test_support.have_unicode: def test_encoding_decoding(self): codecs = [('rot13', 'uryyb jbeyq'), ('base64', 'aGVsbG8gd29ybGQ=\n'), ('hex', '68656c6c6f20776f726c64'), ('uu', 'begin 666 \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) class MixinStrUnicodeTest: # Additional tests that only work with str and unicode. def test_bug1001011(self): # Make sure join returns a NEW object for single item sequences # involving a subclass. # Make sure that it is of the appropriate type. # Check the optimisation still occurs for standard objects. t = self.type2test class subclass(t): pass s1 = subclass("abcd") s2 = t().join([s1]) self.assert_(s1 is not s2) self.assert_(type(s2) is t) s1 = t("abcd") s2 = t().join([s1]) self.assert_(s1 is s2) # Should also test mixed-type join. if t is str: s1 = subclass("abcd") s2 = "".join([s1]) self.assert_(s1 is not s2) self.assert_(type(s2) is t) s1 = t("abcd") s2 = "".join([s1]) self.assert_(s1 is s2) elif t is str: s1 = subclass("abcd") s2 = "".join([s1]) self.assert_(s1 is not s2) self.assert_(type(s2) is str) # promotes! s1 = t("abcd") s2 = "".join([s1]) self.assert_(s1 is not s2) self.assert_(type(s2) is str) # promotes! else: self.fail("unexpected type for MixinStrUnicodeTest %r" % t)