| # Python test set -- built-in functions |
| |
| import platform |
| import unittest |
| from test.test_support import fcmp, have_unicode, TESTFN, unlink, \ |
| run_unittest, check_py3k_warnings |
| import warnings |
| from operator import neg |
| |
| import sys, cStringIO, random, UserDict |
| |
| # count the number of test runs. |
| # used to skip running test_execfile() multiple times |
| # and to create unique strings to intern in test_intern() |
| numruns = 0 |
| |
| class Squares: |
| |
| def __init__(self, max): |
| self.max = max |
| self.sofar = [] |
| |
| def __len__(self): return len(self.sofar) |
| |
| def __getitem__(self, i): |
| if not 0 <= i < self.max: raise IndexError |
| n = len(self.sofar) |
| while n <= i: |
| self.sofar.append(n*n) |
| n += 1 |
| return self.sofar[i] |
| |
| class StrSquares: |
| |
| def __init__(self, max): |
| self.max = max |
| self.sofar = [] |
| |
| def __len__(self): |
| return len(self.sofar) |
| |
| def __getitem__(self, i): |
| if not 0 <= i < self.max: |
| raise IndexError |
| n = len(self.sofar) |
| while n <= i: |
| self.sofar.append(str(n*n)) |
| n += 1 |
| return self.sofar[i] |
| |
| class BitBucket: |
| def write(self, line): |
| pass |
| |
| |
| class TestFailingBool: |
| def __nonzero__(self): |
| raise RuntimeError |
| |
| class TestFailingIter: |
| def __iter__(self): |
| raise RuntimeError |
| |
| class BuiltinTest(unittest.TestCase): |
| |
| def test_import(self): |
| __import__('sys') |
| __import__('time') |
| __import__('string') |
| __import__(name='sys') |
| __import__(name='time', level=0) |
| self.assertRaises(ImportError, __import__, 'spamspam') |
| self.assertRaises(TypeError, __import__, 1, 2, 3, 4) |
| self.assertRaises(ValueError, __import__, '') |
| self.assertRaises(TypeError, __import__, 'sys', name='sys') |
| |
| def test_abs(self): |
| # int |
| self.assertEqual(abs(0), 0) |
| self.assertEqual(abs(1234), 1234) |
| self.assertEqual(abs(-1234), 1234) |
| self.assertTrue(abs(-sys.maxint-1) > 0) |
| # float |
| self.assertEqual(abs(0.0), 0.0) |
| self.assertEqual(abs(3.14), 3.14) |
| self.assertEqual(abs(-3.14), 3.14) |
| # long |
| self.assertEqual(abs(0L), 0L) |
| self.assertEqual(abs(1234L), 1234L) |
| self.assertEqual(abs(-1234L), 1234L) |
| # str |
| self.assertRaises(TypeError, abs, 'a') |
| # bool |
| self.assertEqual(abs(True), 1) |
| self.assertEqual(abs(False), 0) |
| # other |
| self.assertRaises(TypeError, abs) |
| self.assertRaises(TypeError, abs, None) |
| class AbsClass(object): |
| def __abs__(self): |
| return -5 |
| self.assertEqual(abs(AbsClass()), -5) |
| |
| def test_all(self): |
| self.assertEqual(all([2, 4, 6]), True) |
| self.assertEqual(all([2, None, 6]), False) |
| self.assertRaises(RuntimeError, all, [2, TestFailingBool(), 6]) |
| self.assertRaises(RuntimeError, all, TestFailingIter()) |
| self.assertRaises(TypeError, all, 10) # Non-iterable |
| self.assertRaises(TypeError, all) # No args |
| self.assertRaises(TypeError, all, [2, 4, 6], []) # Too many args |
| self.assertEqual(all([]), True) # Empty iterator |
| self.assertEqual(all([0, TestFailingBool()]), False)# Short-circuit |
| S = [50, 60] |
| self.assertEqual(all(x > 42 for x in S), True) |
| S = [50, 40, 60] |
| self.assertEqual(all(x > 42 for x in S), False) |
| |
| def test_any(self): |
| self.assertEqual(any([None, None, None]), False) |
| self.assertEqual(any([None, 4, None]), True) |
| self.assertRaises(RuntimeError, any, [None, TestFailingBool(), 6]) |
| self.assertRaises(RuntimeError, any, TestFailingIter()) |
| self.assertRaises(TypeError, any, 10) # Non-iterable |
| self.assertRaises(TypeError, any) # No args |
| self.assertRaises(TypeError, any, [2, 4, 6], []) # Too many args |
| self.assertEqual(any([]), False) # Empty iterator |
| self.assertEqual(any([1, TestFailingBool()]), True) # Short-circuit |
| S = [40, 60, 30] |
| self.assertEqual(any(x > 42 for x in S), True) |
| S = [10, 20, 30] |
| self.assertEqual(any(x > 42 for x in S), False) |
| |
| def test_neg(self): |
| x = -sys.maxint-1 |
| self.assertTrue(isinstance(x, int)) |
| self.assertEqual(-x, sys.maxint+1) |
| |
| def test_apply(self): |
| def f0(*args): |
| self.assertEqual(args, ()) |
| def f1(a1): |
| self.assertEqual(a1, 1) |
| def f2(a1, a2): |
| self.assertEqual(a1, 1) |
| self.assertEqual(a2, 2) |
| def f3(a1, a2, a3): |
| self.assertEqual(a1, 1) |
| self.assertEqual(a2, 2) |
| self.assertEqual(a3, 3) |
| apply(f0, ()) |
| apply(f1, (1,)) |
| apply(f2, (1, 2)) |
| apply(f3, (1, 2, 3)) |
| |
| # A PyCFunction that takes only positional parameters should allow an |
| # empty keyword dictionary to pass without a complaint, but raise a |
| # TypeError if the dictionary is non-empty. |
| apply(id, (1,), {}) |
| self.assertRaises(TypeError, apply, id, (1,), {"foo": 1}) |
| self.assertRaises(TypeError, apply) |
| self.assertRaises(TypeError, apply, id, 42) |
| self.assertRaises(TypeError, apply, id, (42,), 42) |
| |
| def test_callable(self): |
| self.assertTrue(callable(len)) |
| self.assertFalse(callable("a")) |
| self.assertTrue(callable(callable)) |
| self.assertTrue(callable(lambda x, y: x + y)) |
| self.assertFalse(callable(__builtins__)) |
| def f(): pass |
| self.assertTrue(callable(f)) |
| |
| class Classic: |
| def meth(self): pass |
| self.assertTrue(callable(Classic)) |
| c = Classic() |
| self.assertTrue(callable(c.meth)) |
| self.assertFalse(callable(c)) |
| |
| class NewStyle(object): |
| def meth(self): pass |
| self.assertTrue(callable(NewStyle)) |
| n = NewStyle() |
| self.assertTrue(callable(n.meth)) |
| self.assertFalse(callable(n)) |
| |
| # Classic and new-style classes evaluate __call__() differently |
| c.__call__ = None |
| self.assertTrue(callable(c)) |
| del c.__call__ |
| self.assertFalse(callable(c)) |
| n.__call__ = None |
| self.assertFalse(callable(n)) |
| del n.__call__ |
| self.assertFalse(callable(n)) |
| |
| class N2(object): |
| def __call__(self): pass |
| n2 = N2() |
| self.assertTrue(callable(n2)) |
| class N3(N2): pass |
| n3 = N3() |
| self.assertTrue(callable(n3)) |
| |
| def test_chr(self): |
| self.assertEqual(chr(32), ' ') |
| self.assertEqual(chr(65), 'A') |
| self.assertEqual(chr(97), 'a') |
| self.assertEqual(chr(0xff), '\xff') |
| self.assertRaises(ValueError, chr, 256) |
| self.assertRaises(TypeError, chr) |
| |
| def test_cmp(self): |
| self.assertEqual(cmp(-1, 1), -1) |
| self.assertEqual(cmp(1, -1), 1) |
| self.assertEqual(cmp(1, 1), 0) |
| # verify that circular objects are not handled |
| a = []; a.append(a) |
| b = []; b.append(b) |
| from UserList import UserList |
| c = UserList(); c.append(c) |
| self.assertRaises(RuntimeError, cmp, a, b) |
| self.assertRaises(RuntimeError, cmp, b, c) |
| self.assertRaises(RuntimeError, cmp, c, a) |
| self.assertRaises(RuntimeError, cmp, a, c) |
| # okay, now break the cycles |
| a.pop(); b.pop(); c.pop() |
| self.assertRaises(TypeError, cmp) |
| |
| def test_coerce(self): |
| self.assertTrue(not fcmp(coerce(1, 1.1), (1.0, 1.1))) |
| self.assertEqual(coerce(1, 1L), (1L, 1L)) |
| self.assertTrue(not fcmp(coerce(1L, 1.1), (1.0, 1.1))) |
| self.assertRaises(TypeError, coerce) |
| class BadNumber: |
| def __coerce__(self, other): |
| raise ValueError |
| self.assertRaises(ValueError, coerce, 42, BadNumber()) |
| self.assertRaises(OverflowError, coerce, 0.5, int("12345" * 1000)) |
| |
| def test_compile(self): |
| compile('print 1\n', '', 'exec') |
| bom = '\xef\xbb\xbf' |
| compile(bom + 'print 1\n', '', 'exec') |
| compile(source='pass', filename='?', mode='exec') |
| compile(dont_inherit=0, filename='tmp', source='0', mode='eval') |
| compile('pass', '?', dont_inherit=1, mode='exec') |
| self.assertRaises(TypeError, compile) |
| self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'badmode') |
| self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'single', 0xff) |
| self.assertRaises(TypeError, compile, chr(0), 'f', 'exec') |
| self.assertRaises(TypeError, compile, 'pass', '?', 'exec', |
| mode='eval', source='0', filename='tmp') |
| if have_unicode: |
| compile(unicode('print u"\xc3\xa5"\n', 'utf8'), '', 'exec') |
| self.assertRaises(TypeError, compile, unichr(0), 'f', 'exec') |
| self.assertRaises(ValueError, compile, unicode('a = 1'), 'f', 'bad') |
| |
| |
| def test_delattr(self): |
| import sys |
| sys.spam = 1 |
| delattr(sys, 'spam') |
| self.assertRaises(TypeError, delattr) |
| |
| def test_dir(self): |
| # dir(wrong number of arguments) |
| self.assertRaises(TypeError, dir, 42, 42) |
| |
| # dir() - local scope |
| local_var = 1 |
| self.assertIn('local_var', dir()) |
| |
| # dir(module) |
| import sys |
| self.assertIn('exit', dir(sys)) |
| |
| # dir(module_with_invalid__dict__) |
| import types |
| class Foo(types.ModuleType): |
| __dict__ = 8 |
| f = Foo("foo") |
| self.assertRaises(TypeError, dir, f) |
| |
| # dir(type) |
| self.assertIn("strip", dir(str)) |
| self.assertNotIn("__mro__", dir(str)) |
| |
| # dir(obj) |
| class Foo(object): |
| def __init__(self): |
| self.x = 7 |
| self.y = 8 |
| self.z = 9 |
| f = Foo() |
| self.assertIn("y", dir(f)) |
| |
| # dir(obj_no__dict__) |
| class Foo(object): |
| __slots__ = [] |
| f = Foo() |
| self.assertIn("__repr__", dir(f)) |
| |
| # dir(obj_no__class__with__dict__) |
| # (an ugly trick to cause getattr(f, "__class__") to fail) |
| class Foo(object): |
| __slots__ = ["__class__", "__dict__"] |
| def __init__(self): |
| self.bar = "wow" |
| f = Foo() |
| self.assertNotIn("__repr__", dir(f)) |
| self.assertIn("bar", dir(f)) |
| |
| # dir(obj_using __dir__) |
| class Foo(object): |
| def __dir__(self): |
| return ["kan", "ga", "roo"] |
| f = Foo() |
| self.assertTrue(dir(f) == ["ga", "kan", "roo"]) |
| |
| # dir(obj__dir__not_list) |
| class Foo(object): |
| def __dir__(self): |
| return 7 |
| f = Foo() |
| self.assertRaises(TypeError, dir, f) |
| |
| def test_divmod(self): |
| self.assertEqual(divmod(12, 7), (1, 5)) |
| self.assertEqual(divmod(-12, 7), (-2, 2)) |
| self.assertEqual(divmod(12, -7), (-2, -2)) |
| self.assertEqual(divmod(-12, -7), (1, -5)) |
| |
| self.assertEqual(divmod(12L, 7L), (1L, 5L)) |
| self.assertEqual(divmod(-12L, 7L), (-2L, 2L)) |
| self.assertEqual(divmod(12L, -7L), (-2L, -2L)) |
| self.assertEqual(divmod(-12L, -7L), (1L, -5L)) |
| |
| self.assertEqual(divmod(12, 7L), (1, 5L)) |
| self.assertEqual(divmod(-12, 7L), (-2, 2L)) |
| self.assertEqual(divmod(12L, -7), (-2L, -2)) |
| self.assertEqual(divmod(-12L, -7), (1L, -5)) |
| |
| self.assertEqual(divmod(-sys.maxint-1, -1), |
| (sys.maxint+1, 0)) |
| |
| self.assertTrue(not fcmp(divmod(3.25, 1.0), (3.0, 0.25))) |
| self.assertTrue(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75))) |
| self.assertTrue(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75))) |
| self.assertTrue(not fcmp(divmod(-3.25, -1.0), (3.0, -0.25))) |
| |
| self.assertRaises(TypeError, divmod) |
| |
| def test_eval(self): |
| self.assertEqual(eval('1+1'), 2) |
| self.assertEqual(eval(' 1+1\n'), 2) |
| globals = {'a': 1, 'b': 2} |
| locals = {'b': 200, 'c': 300} |
| self.assertEqual(eval('a', globals) , 1) |
| self.assertEqual(eval('a', globals, locals), 1) |
| self.assertEqual(eval('b', globals, locals), 200) |
| self.assertEqual(eval('c', globals, locals), 300) |
| if have_unicode: |
| self.assertEqual(eval(unicode('1+1')), 2) |
| self.assertEqual(eval(unicode(' 1+1\n')), 2) |
| globals = {'a': 1, 'b': 2} |
| locals = {'b': 200, 'c': 300} |
| if have_unicode: |
| self.assertEqual(eval(unicode('a'), globals), 1) |
| self.assertEqual(eval(unicode('a'), globals, locals), 1) |
| self.assertEqual(eval(unicode('b'), globals, locals), 200) |
| self.assertEqual(eval(unicode('c'), globals, locals), 300) |
| bom = '\xef\xbb\xbf' |
| self.assertEqual(eval(bom + 'a', globals, locals), 1) |
| self.assertEqual(eval(unicode('u"\xc3\xa5"', 'utf8'), globals), |
| unicode('\xc3\xa5', 'utf8')) |
| self.assertRaises(TypeError, eval) |
| self.assertRaises(TypeError, eval, ()) |
| |
| def test_general_eval(self): |
| # Tests that general mappings can be used for the locals argument |
| |
| class M: |
| "Test mapping interface versus possible calls from eval()." |
| def __getitem__(self, key): |
| if key == 'a': |
| return 12 |
| raise KeyError |
| def keys(self): |
| return list('xyz') |
| |
| m = M() |
| g = globals() |
| self.assertEqual(eval('a', g, m), 12) |
| self.assertRaises(NameError, eval, 'b', g, m) |
| self.assertEqual(eval('dir()', g, m), list('xyz')) |
| self.assertEqual(eval('globals()', g, m), g) |
| self.assertEqual(eval('locals()', g, m), m) |
| self.assertRaises(TypeError, eval, 'a', m) |
| class A: |
| "Non-mapping" |
| pass |
| m = A() |
| self.assertRaises(TypeError, eval, 'a', g, m) |
| |
| # Verify that dict subclasses work as well |
| class D(dict): |
| def __getitem__(self, key): |
| if key == 'a': |
| return 12 |
| return dict.__getitem__(self, key) |
| def keys(self): |
| return list('xyz') |
| |
| d = D() |
| self.assertEqual(eval('a', g, d), 12) |
| self.assertRaises(NameError, eval, 'b', g, d) |
| self.assertEqual(eval('dir()', g, d), list('xyz')) |
| self.assertEqual(eval('globals()', g, d), g) |
| self.assertEqual(eval('locals()', g, d), d) |
| |
| # Verify locals stores (used by list comps) |
| eval('[locals() for i in (2,3)]', g, d) |
| eval('[locals() for i in (2,3)]', g, UserDict.UserDict()) |
| |
| class SpreadSheet: |
| "Sample application showing nested, calculated lookups." |
| _cells = {} |
| def __setitem__(self, key, formula): |
| self._cells[key] = formula |
| def __getitem__(self, key): |
| return eval(self._cells[key], globals(), self) |
| |
| ss = SpreadSheet() |
| ss['a1'] = '5' |
| ss['a2'] = 'a1*6' |
| ss['a3'] = 'a2*7' |
| self.assertEqual(ss['a3'], 210) |
| |
| # Verify that dir() catches a non-list returned by eval |
| # SF bug #1004669 |
| class C: |
| def __getitem__(self, item): |
| raise KeyError(item) |
| def keys(self): |
| return 'a' |
| self.assertRaises(TypeError, eval, 'dir()', globals(), C()) |
| |
| # Done outside of the method test_z to get the correct scope |
| z = 0 |
| f = open(TESTFN, 'w') |
| f.write('z = z+1\n') |
| f.write('z = z*2\n') |
| f.close() |
| with check_py3k_warnings(("execfile.. not supported in 3.x", |
| DeprecationWarning)): |
| execfile(TESTFN) |
| |
| def test_execfile(self): |
| global numruns |
| if numruns: |
| return |
| numruns += 1 |
| |
| globals = {'a': 1, 'b': 2} |
| locals = {'b': 200, 'c': 300} |
| |
| self.assertEqual(self.__class__.z, 2) |
| globals['z'] = 0 |
| execfile(TESTFN, globals) |
| self.assertEqual(globals['z'], 2) |
| locals['z'] = 0 |
| execfile(TESTFN, globals, locals) |
| self.assertEqual(locals['z'], 2) |
| |
| class M: |
| "Test mapping interface versus possible calls from execfile()." |
| def __init__(self): |
| self.z = 10 |
| def __getitem__(self, key): |
| if key == 'z': |
| return self.z |
| raise KeyError |
| def __setitem__(self, key, value): |
| if key == 'z': |
| self.z = value |
| return |
| raise KeyError |
| |
| locals = M() |
| locals['z'] = 0 |
| execfile(TESTFN, globals, locals) |
| self.assertEqual(locals['z'], 2) |
| |
| unlink(TESTFN) |
| self.assertRaises(TypeError, execfile) |
| self.assertRaises(TypeError, execfile, TESTFN, {}, ()) |
| import os |
| self.assertRaises(IOError, execfile, os.curdir) |
| self.assertRaises(IOError, execfile, "I_dont_exist") |
| |
| def test_filter(self): |
| self.assertEqual(filter(lambda c: 'a' <= c <= 'z', 'Hello World'), 'elloorld') |
| self.assertEqual(filter(None, [1, 'hello', [], [3], '', None, 9, 0]), [1, 'hello', [3], 9]) |
| self.assertEqual(filter(lambda x: x > 0, [1, -3, 9, 0, 2]), [1, 9, 2]) |
| self.assertEqual(filter(None, Squares(10)), [1, 4, 9, 16, 25, 36, 49, 64, 81]) |
| self.assertEqual(filter(lambda x: x%2, Squares(10)), [1, 9, 25, 49, 81]) |
| def identity(item): |
| return 1 |
| filter(identity, Squares(5)) |
| self.assertRaises(TypeError, filter) |
| class BadSeq(object): |
| def __getitem__(self, index): |
| if index<4: |
| return 42 |
| raise ValueError |
| self.assertRaises(ValueError, filter, lambda x: x, BadSeq()) |
| def badfunc(): |
| pass |
| self.assertRaises(TypeError, filter, badfunc, range(5)) |
| |
| # test bltinmodule.c::filtertuple() |
| self.assertEqual(filter(None, (1, 2)), (1, 2)) |
| self.assertEqual(filter(lambda x: x>=3, (1, 2, 3, 4)), (3, 4)) |
| self.assertRaises(TypeError, filter, 42, (1, 2)) |
| |
| # test bltinmodule.c::filterstring() |
| self.assertEqual(filter(None, "12"), "12") |
| self.assertEqual(filter(lambda x: x>="3", "1234"), "34") |
| self.assertRaises(TypeError, filter, 42, "12") |
| class badstr(str): |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, filter, lambda x: x >="3", badstr("1234")) |
| |
| class badstr2(str): |
| def __getitem__(self, index): |
| return 42 |
| self.assertRaises(TypeError, filter, lambda x: x >=42, badstr2("1234")) |
| |
| class weirdstr(str): |
| def __getitem__(self, index): |
| return weirdstr(2*str.__getitem__(self, index)) |
| self.assertEqual(filter(lambda x: x>="33", weirdstr("1234")), "3344") |
| |
| class shiftstr(str): |
| def __getitem__(self, index): |
| return chr(ord(str.__getitem__(self, index))+1) |
| self.assertEqual(filter(lambda x: x>="3", shiftstr("1234")), "345") |
| |
| if have_unicode: |
| # test bltinmodule.c::filterunicode() |
| self.assertEqual(filter(None, unicode("12")), unicode("12")) |
| self.assertEqual(filter(lambda x: x>="3", unicode("1234")), unicode("34")) |
| self.assertRaises(TypeError, filter, 42, unicode("12")) |
| self.assertRaises(ValueError, filter, lambda x: x >="3", badstr(unicode("1234"))) |
| |
| class badunicode(unicode): |
| def __getitem__(self, index): |
| return 42 |
| self.assertRaises(TypeError, filter, lambda x: x >=42, badunicode("1234")) |
| |
| class weirdunicode(unicode): |
| def __getitem__(self, index): |
| return weirdunicode(2*unicode.__getitem__(self, index)) |
| self.assertEqual( |
| filter(lambda x: x>=unicode("33"), weirdunicode("1234")), unicode("3344")) |
| |
| class shiftunicode(unicode): |
| def __getitem__(self, index): |
| return unichr(ord(unicode.__getitem__(self, index))+1) |
| self.assertEqual( |
| filter(lambda x: x>=unicode("3"), shiftunicode("1234")), |
| unicode("345") |
| ) |
| |
| def test_filter_subclasses(self): |
| # test that filter() never returns tuple, str or unicode subclasses |
| # and that the result always goes through __getitem__ |
| funcs = (None, bool, lambda x: True) |
| class tuple2(tuple): |
| def __getitem__(self, index): |
| return 2*tuple.__getitem__(self, index) |
| class str2(str): |
| def __getitem__(self, index): |
| return 2*str.__getitem__(self, index) |
| inputs = { |
| tuple2: {(): (), (1, 2, 3): (2, 4, 6)}, |
| str2: {"": "", "123": "112233"} |
| } |
| if have_unicode: |
| class unicode2(unicode): |
| def __getitem__(self, index): |
| return 2*unicode.__getitem__(self, index) |
| inputs[unicode2] = { |
| unicode(): unicode(), |
| unicode("123"): unicode("112233") |
| } |
| |
| for (cls, inps) in inputs.iteritems(): |
| for (inp, exp) in inps.iteritems(): |
| # make sure the output goes through __getitem__ |
| # even if func is None |
| self.assertEqual( |
| filter(funcs[0], cls(inp)), |
| filter(funcs[1], cls(inp)) |
| ) |
| for func in funcs: |
| outp = filter(func, cls(inp)) |
| self.assertEqual(outp, exp) |
| self.assertTrue(not isinstance(outp, cls)) |
| |
| def test_getattr(self): |
| import sys |
| self.assertTrue(getattr(sys, 'stdout') is sys.stdout) |
| self.assertRaises(TypeError, getattr, sys, 1) |
| self.assertRaises(TypeError, getattr, sys, 1, "foo") |
| self.assertRaises(TypeError, getattr) |
| if have_unicode: |
| self.assertRaises(UnicodeError, getattr, sys, unichr(sys.maxunicode)) |
| |
| def test_hasattr(self): |
| import sys |
| self.assertTrue(hasattr(sys, 'stdout')) |
| self.assertRaises(TypeError, hasattr, sys, 1) |
| self.assertRaises(TypeError, hasattr) |
| if have_unicode: |
| self.assertRaises(UnicodeError, hasattr, sys, unichr(sys.maxunicode)) |
| |
| # Check that hasattr allows SystemExit and KeyboardInterrupts by |
| class A: |
| def __getattr__(self, what): |
| raise KeyboardInterrupt |
| self.assertRaises(KeyboardInterrupt, hasattr, A(), "b") |
| class B: |
| def __getattr__(self, what): |
| raise SystemExit |
| self.assertRaises(SystemExit, hasattr, B(), "b") |
| |
| def test_hash(self): |
| hash(None) |
| self.assertEqual(hash(1), hash(1L)) |
| self.assertEqual(hash(1), hash(1.0)) |
| hash('spam') |
| if have_unicode: |
| self.assertEqual(hash('spam'), hash(unicode('spam'))) |
| hash((0,1,2,3)) |
| def f(): pass |
| self.assertRaises(TypeError, hash, []) |
| self.assertRaises(TypeError, hash, {}) |
| # Bug 1536021: Allow hash to return long objects |
| class X: |
| def __hash__(self): |
| return 2**100 |
| self.assertEqual(type(hash(X())), int) |
| class Y(object): |
| def __hash__(self): |
| return 2**100 |
| self.assertEqual(type(hash(Y())), int) |
| class Z(long): |
| def __hash__(self): |
| return self |
| self.assertEqual(hash(Z(42)), hash(42L)) |
| |
| def test_hex(self): |
| self.assertEqual(hex(16), '0x10') |
| self.assertEqual(hex(16L), '0x10L') |
| self.assertEqual(hex(-16), '-0x10') |
| self.assertEqual(hex(-16L), '-0x10L') |
| self.assertRaises(TypeError, hex, {}) |
| |
| def test_id(self): |
| id(None) |
| id(1) |
| id(1L) |
| id(1.0) |
| id('spam') |
| id((0,1,2,3)) |
| id([0,1,2,3]) |
| id({'spam': 1, 'eggs': 2, 'ham': 3}) |
| |
| # Test input() later, together with raw_input |
| |
| # test_int(): see test_int.py for int() tests. |
| |
| def test_intern(self): |
| self.assertRaises(TypeError, intern) |
| # This fails if the test is run twice with a constant string, |
| # therefore append the run counter |
| s = "never interned before " + str(numruns) |
| self.assertTrue(intern(s) is s) |
| s2 = s.swapcase().swapcase() |
| self.assertTrue(intern(s2) is s) |
| |
| # Subclasses of string can't be interned, because they |
| # provide too much opportunity for insane things to happen. |
| # We don't want them in the interned dict and if they aren't |
| # actually interned, we don't want to create the appearance |
| # that they are by allowing intern() to succeed. |
| class S(str): |
| def __hash__(self): |
| return 123 |
| |
| self.assertRaises(TypeError, intern, S("abc")) |
| |
| # It's still safe to pass these strings to routines that |
| # call intern internally, e.g. PyObject_SetAttr(). |
| s = S("abc") |
| setattr(s, s, s) |
| self.assertEqual(getattr(s, s), s) |
| |
| def test_iter(self): |
| self.assertRaises(TypeError, iter) |
| self.assertRaises(TypeError, iter, 42, 42) |
| lists = [("1", "2"), ["1", "2"], "12"] |
| if have_unicode: |
| lists.append(unicode("12")) |
| for l in lists: |
| i = iter(l) |
| self.assertEqual(i.next(), '1') |
| self.assertEqual(i.next(), '2') |
| self.assertRaises(StopIteration, i.next) |
| |
| def test_isinstance(self): |
| class C: |
| pass |
| class D(C): |
| pass |
| class E: |
| pass |
| c = C() |
| d = D() |
| e = E() |
| self.assertTrue(isinstance(c, C)) |
| self.assertTrue(isinstance(d, C)) |
| self.assertTrue(not isinstance(e, C)) |
| self.assertTrue(not isinstance(c, D)) |
| self.assertTrue(not isinstance('foo', E)) |
| self.assertRaises(TypeError, isinstance, E, 'foo') |
| self.assertRaises(TypeError, isinstance) |
| |
| def test_issubclass(self): |
| class C: |
| pass |
| class D(C): |
| pass |
| class E: |
| pass |
| c = C() |
| d = D() |
| e = E() |
| self.assertTrue(issubclass(D, C)) |
| self.assertTrue(issubclass(C, C)) |
| self.assertTrue(not issubclass(C, D)) |
| self.assertRaises(TypeError, issubclass, 'foo', E) |
| self.assertRaises(TypeError, issubclass, E, 'foo') |
| self.assertRaises(TypeError, issubclass) |
| |
| def test_len(self): |
| self.assertEqual(len('123'), 3) |
| self.assertEqual(len(()), 0) |
| self.assertEqual(len((1, 2, 3, 4)), 4) |
| self.assertEqual(len([1, 2, 3, 4]), 4) |
| self.assertEqual(len({}), 0) |
| self.assertEqual(len({'a':1, 'b': 2}), 2) |
| class BadSeq: |
| def __len__(self): |
| raise ValueError |
| self.assertRaises(ValueError, len, BadSeq()) |
| self.assertRaises(TypeError, len, 2) |
| class ClassicStyle: pass |
| class NewStyle(object): pass |
| self.assertRaises(AttributeError, len, ClassicStyle()) |
| self.assertRaises(TypeError, len, NewStyle()) |
| |
| def test_map(self): |
| self.assertEqual( |
| map(None, 'hello world'), |
| ['h','e','l','l','o',' ','w','o','r','l','d'] |
| ) |
| self.assertEqual( |
| map(None, 'abcd', 'efg'), |
| [('a', 'e'), ('b', 'f'), ('c', 'g'), ('d', None)] |
| ) |
| self.assertEqual( |
| map(None, range(10)), |
| [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] |
| ) |
| self.assertEqual( |
| map(lambda x: x*x, range(1,4)), |
| [1, 4, 9] |
| ) |
| try: |
| from math import sqrt |
| except ImportError: |
| def sqrt(x): |
| return pow(x, 0.5) |
| self.assertEqual( |
| map(lambda x: map(sqrt,x), [[16, 4], [81, 9]]), |
| [[4.0, 2.0], [9.0, 3.0]] |
| ) |
| self.assertEqual( |
| map(lambda x, y: x+y, [1,3,2], [9,1,4]), |
| [10, 4, 6] |
| ) |
| |
| def plus(*v): |
| accu = 0 |
| for i in v: accu = accu + i |
| return accu |
| self.assertEqual( |
| map(plus, [1, 3, 7]), |
| [1, 3, 7] |
| ) |
| self.assertEqual( |
| map(plus, [1, 3, 7], [4, 9, 2]), |
| [1+4, 3+9, 7+2] |
| ) |
| self.assertEqual( |
| map(plus, [1, 3, 7], [4, 9, 2], [1, 1, 0]), |
| [1+4+1, 3+9+1, 7+2+0] |
| ) |
| self.assertEqual( |
| map(None, Squares(10)), |
| [0, 1, 4, 9, 16, 25, 36, 49, 64, 81] |
| ) |
| self.assertEqual( |
| map(int, Squares(10)), |
| [0, 1, 4, 9, 16, 25, 36, 49, 64, 81] |
| ) |
| self.assertEqual( |
| map(None, Squares(3), Squares(2)), |
| [(0,0), (1,1), (4,None)] |
| ) |
| self.assertEqual( |
| map(max, Squares(3), Squares(2)), |
| [0, 1, 4] |
| ) |
| self.assertRaises(TypeError, map) |
| self.assertRaises(TypeError, map, lambda x: x, 42) |
| self.assertEqual(map(None, [42]), [42]) |
| class BadSeq: |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, map, lambda x: x, BadSeq()) |
| def badfunc(x): |
| raise RuntimeError |
| self.assertRaises(RuntimeError, map, badfunc, range(5)) |
| |
| def test_max(self): |
| self.assertEqual(max('123123'), '3') |
| self.assertEqual(max(1, 2, 3), 3) |
| self.assertEqual(max((1, 2, 3, 1, 2, 3)), 3) |
| self.assertEqual(max([1, 2, 3, 1, 2, 3]), 3) |
| |
| self.assertEqual(max(1, 2L, 3.0), 3.0) |
| self.assertEqual(max(1L, 2.0, 3), 3) |
| self.assertEqual(max(1.0, 2, 3L), 3L) |
| |
| for stmt in ( |
| "max(key=int)", # no args |
| "max(1, key=int)", # single arg not iterable |
| "max(1, 2, keystone=int)", # wrong keyword |
| "max(1, 2, key=int, abc=int)", # two many keywords |
| "max(1, 2, key=1)", # keyfunc is not callable |
| ): |
| try: |
| exec(stmt) in globals() |
| except TypeError: |
| pass |
| else: |
| self.fail(stmt) |
| |
| self.assertEqual(max((1,), key=neg), 1) # one elem iterable |
| self.assertEqual(max((1,2), key=neg), 1) # two elem iterable |
| self.assertEqual(max(1, 2, key=neg), 1) # two elems |
| |
| data = [random.randrange(200) for i in range(100)] |
| keys = dict((elem, random.randrange(50)) for elem in data) |
| f = keys.__getitem__ |
| self.assertEqual(max(data, key=f), |
| sorted(reversed(data), key=f)[-1]) |
| |
| def test_min(self): |
| self.assertEqual(min('123123'), '1') |
| self.assertEqual(min(1, 2, 3), 1) |
| self.assertEqual(min((1, 2, 3, 1, 2, 3)), 1) |
| self.assertEqual(min([1, 2, 3, 1, 2, 3]), 1) |
| |
| self.assertEqual(min(1, 2L, 3.0), 1) |
| self.assertEqual(min(1L, 2.0, 3), 1L) |
| self.assertEqual(min(1.0, 2, 3L), 1.0) |
| |
| self.assertRaises(TypeError, min) |
| self.assertRaises(TypeError, min, 42) |
| self.assertRaises(ValueError, min, ()) |
| class BadSeq: |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, min, BadSeq()) |
| class BadNumber: |
| def __cmp__(self, other): |
| raise ValueError |
| self.assertRaises(ValueError, min, (42, BadNumber())) |
| |
| for stmt in ( |
| "min(key=int)", # no args |
| "min(1, key=int)", # single arg not iterable |
| "min(1, 2, keystone=int)", # wrong keyword |
| "min(1, 2, key=int, abc=int)", # two many keywords |
| "min(1, 2, key=1)", # keyfunc is not callable |
| ): |
| try: |
| exec(stmt) in globals() |
| except TypeError: |
| pass |
| else: |
| self.fail(stmt) |
| |
| self.assertEqual(min((1,), key=neg), 1) # one elem iterable |
| self.assertEqual(min((1,2), key=neg), 2) # two elem iterable |
| self.assertEqual(min(1, 2, key=neg), 2) # two elems |
| |
| data = [random.randrange(200) for i in range(100)] |
| keys = dict((elem, random.randrange(50)) for elem in data) |
| f = keys.__getitem__ |
| self.assertEqual(min(data, key=f), |
| sorted(data, key=f)[0]) |
| |
| def test_next(self): |
| it = iter(range(2)) |
| self.assertEqual(next(it), 0) |
| self.assertEqual(next(it), 1) |
| self.assertRaises(StopIteration, next, it) |
| self.assertRaises(StopIteration, next, it) |
| self.assertEqual(next(it, 42), 42) |
| |
| class Iter(object): |
| def __iter__(self): |
| return self |
| def next(self): |
| raise StopIteration |
| |
| it = iter(Iter()) |
| self.assertEqual(next(it, 42), 42) |
| self.assertRaises(StopIteration, next, it) |
| |
| def gen(): |
| yield 1 |
| return |
| |
| it = gen() |
| self.assertEqual(next(it), 1) |
| self.assertRaises(StopIteration, next, it) |
| self.assertEqual(next(it, 42), 42) |
| |
| def test_oct(self): |
| self.assertEqual(oct(100), '0144') |
| self.assertEqual(oct(100L), '0144L') |
| self.assertEqual(oct(-100), '-0144') |
| self.assertEqual(oct(-100L), '-0144L') |
| self.assertRaises(TypeError, oct, ()) |
| |
| def write_testfile(self): |
| # NB the first 4 lines are also used to test input and raw_input, below |
| fp = open(TESTFN, 'w') |
| try: |
| fp.write('1+1\n') |
| fp.write('1+1\n') |
| fp.write('The quick brown fox jumps over the lazy dog') |
| fp.write('.\n') |
| fp.write('Dear John\n') |
| fp.write('XXX'*100) |
| fp.write('YYY'*100) |
| finally: |
| fp.close() |
| |
| def test_open(self): |
| self.write_testfile() |
| fp = open(TESTFN, 'r') |
| try: |
| self.assertEqual(fp.readline(4), '1+1\n') |
| self.assertEqual(fp.readline(4), '1+1\n') |
| self.assertEqual(fp.readline(), 'The quick brown fox jumps over the lazy dog.\n') |
| self.assertEqual(fp.readline(4), 'Dear') |
| self.assertEqual(fp.readline(100), ' John\n') |
| self.assertEqual(fp.read(300), 'XXX'*100) |
| self.assertEqual(fp.read(1000), 'YYY'*100) |
| finally: |
| fp.close() |
| unlink(TESTFN) |
| |
| def test_ord(self): |
| self.assertEqual(ord(' '), 32) |
| self.assertEqual(ord('A'), 65) |
| self.assertEqual(ord('a'), 97) |
| if have_unicode: |
| self.assertEqual(ord(unichr(sys.maxunicode)), sys.maxunicode) |
| self.assertRaises(TypeError, ord, 42) |
| if have_unicode: |
| self.assertRaises(TypeError, ord, unicode("12")) |
| |
| def test_pow(self): |
| self.assertEqual(pow(0,0), 1) |
| self.assertEqual(pow(0,1), 0) |
| self.assertEqual(pow(1,0), 1) |
| self.assertEqual(pow(1,1), 1) |
| |
| self.assertEqual(pow(2,0), 1) |
| self.assertEqual(pow(2,10), 1024) |
| self.assertEqual(pow(2,20), 1024*1024) |
| self.assertEqual(pow(2,30), 1024*1024*1024) |
| |
| self.assertEqual(pow(-2,0), 1) |
| self.assertEqual(pow(-2,1), -2) |
| self.assertEqual(pow(-2,2), 4) |
| self.assertEqual(pow(-2,3), -8) |
| |
| self.assertEqual(pow(0L,0), 1) |
| self.assertEqual(pow(0L,1), 0) |
| self.assertEqual(pow(1L,0), 1) |
| self.assertEqual(pow(1L,1), 1) |
| |
| self.assertEqual(pow(2L,0), 1) |
| self.assertEqual(pow(2L,10), 1024) |
| self.assertEqual(pow(2L,20), 1024*1024) |
| self.assertEqual(pow(2L,30), 1024*1024*1024) |
| |
| self.assertEqual(pow(-2L,0), 1) |
| self.assertEqual(pow(-2L,1), -2) |
| self.assertEqual(pow(-2L,2), 4) |
| self.assertEqual(pow(-2L,3), -8) |
| |
| self.assertAlmostEqual(pow(0.,0), 1.) |
| self.assertAlmostEqual(pow(0.,1), 0.) |
| self.assertAlmostEqual(pow(1.,0), 1.) |
| self.assertAlmostEqual(pow(1.,1), 1.) |
| |
| self.assertAlmostEqual(pow(2.,0), 1.) |
| self.assertAlmostEqual(pow(2.,10), 1024.) |
| self.assertAlmostEqual(pow(2.,20), 1024.*1024.) |
| self.assertAlmostEqual(pow(2.,30), 1024.*1024.*1024.) |
| |
| self.assertAlmostEqual(pow(-2.,0), 1.) |
| self.assertAlmostEqual(pow(-2.,1), -2.) |
| self.assertAlmostEqual(pow(-2.,2), 4.) |
| self.assertAlmostEqual(pow(-2.,3), -8.) |
| |
| for x in 2, 2L, 2.0: |
| for y in 10, 10L, 10.0: |
| for z in 1000, 1000L, 1000.0: |
| if isinstance(x, float) or \ |
| isinstance(y, float) or \ |
| isinstance(z, float): |
| self.assertRaises(TypeError, pow, x, y, z) |
| else: |
| self.assertAlmostEqual(pow(x, y, z), 24.0) |
| |
| self.assertRaises(TypeError, pow, -1, -2, 3) |
| self.assertRaises(ValueError, pow, 1, 2, 0) |
| self.assertRaises(TypeError, pow, -1L, -2L, 3L) |
| self.assertRaises(ValueError, pow, 1L, 2L, 0L) |
| # Will return complex in 3.0: |
| self.assertRaises(ValueError, pow, -342.43, 0.234) |
| |
| self.assertRaises(TypeError, pow) |
| |
| def test_range(self): |
| self.assertEqual(range(3), [0, 1, 2]) |
| self.assertEqual(range(1, 5), [1, 2, 3, 4]) |
| self.assertEqual(range(0), []) |
| self.assertEqual(range(-3), []) |
| self.assertEqual(range(1, 10, 3), [1, 4, 7]) |
| self.assertEqual(range(5, -5, -3), [5, 2, -1, -4]) |
| |
| # Now test range() with longs |
| self.assertEqual(range(-2**100), []) |
| self.assertEqual(range(0, -2**100), []) |
| self.assertEqual(range(0, 2**100, -1), []) |
| self.assertEqual(range(0, 2**100, -1), []) |
| |
| a = long(10 * sys.maxint) |
| b = long(100 * sys.maxint) |
| c = long(50 * sys.maxint) |
| |
| self.assertEqual(range(a, a+2), [a, a+1]) |
| self.assertEqual(range(a+2, a, -1L), [a+2, a+1]) |
| self.assertEqual(range(a+4, a, -2), [a+4, a+2]) |
| |
| seq = range(a, b, c) |
| self.assertIn(a, seq) |
| self.assertNotIn(b, seq) |
| self.assertEqual(len(seq), 2) |
| |
| seq = range(b, a, -c) |
| self.assertIn(b, seq) |
| self.assertNotIn(a, seq) |
| self.assertEqual(len(seq), 2) |
| |
| seq = range(-a, -b, -c) |
| self.assertIn(-a, seq) |
| self.assertNotIn(-b, seq) |
| self.assertEqual(len(seq), 2) |
| |
| self.assertRaises(TypeError, range) |
| self.assertRaises(TypeError, range, 1, 2, 3, 4) |
| self.assertRaises(ValueError, range, 1, 2, 0) |
| self.assertRaises(ValueError, range, a, a + 1, long(0)) |
| |
| class badzero(int): |
| def __cmp__(self, other): |
| raise RuntimeError |
| __hash__ = None # Invalid cmp makes this unhashable |
| self.assertRaises(RuntimeError, range, a, a + 1, badzero(1)) |
| |
| # Reject floats. |
| self.assertRaises(TypeError, range, 1., 1., 1.) |
| self.assertRaises(TypeError, range, 1e100, 1e101, 1e101) |
| |
| self.assertRaises(TypeError, range, 0, "spam") |
| self.assertRaises(TypeError, range, 0, 42, "spam") |
| |
| self.assertRaises(OverflowError, range, -sys.maxint, sys.maxint) |
| self.assertRaises(OverflowError, range, 0, 2*sys.maxint) |
| |
| bignum = 2*sys.maxint |
| smallnum = 42 |
| # Old-style user-defined class with __int__ method |
| class I0: |
| def __init__(self, n): |
| self.n = int(n) |
| def __int__(self): |
| return self.n |
| self.assertEqual(range(I0(bignum), I0(bignum + 1)), [bignum]) |
| self.assertEqual(range(I0(smallnum), I0(smallnum + 1)), [smallnum]) |
| |
| # New-style user-defined class with __int__ method |
| class I1(object): |
| def __init__(self, n): |
| self.n = int(n) |
| def __int__(self): |
| return self.n |
| self.assertEqual(range(I1(bignum), I1(bignum + 1)), [bignum]) |
| self.assertEqual(range(I1(smallnum), I1(smallnum + 1)), [smallnum]) |
| |
| # New-style user-defined class with failing __int__ method |
| class IX(object): |
| def __int__(self): |
| raise RuntimeError |
| self.assertRaises(RuntimeError, range, IX()) |
| |
| # New-style user-defined class with invalid __int__ method |
| class IN(object): |
| def __int__(self): |
| return "not a number" |
| self.assertRaises(TypeError, range, IN()) |
| |
| # Exercise various combinations of bad arguments, to check |
| # refcounting logic |
| self.assertRaises(TypeError, range, 0.0) |
| |
| self.assertRaises(TypeError, range, 0, 0.0) |
| self.assertRaises(TypeError, range, 0.0, 0) |
| self.assertRaises(TypeError, range, 0.0, 0.0) |
| |
| self.assertRaises(TypeError, range, 0, 0, 1.0) |
| self.assertRaises(TypeError, range, 0, 0.0, 1) |
| self.assertRaises(TypeError, range, 0, 0.0, 1.0) |
| self.assertRaises(TypeError, range, 0.0, 0, 1) |
| self.assertRaises(TypeError, range, 0.0, 0, 1.0) |
| self.assertRaises(TypeError, range, 0.0, 0.0, 1) |
| self.assertRaises(TypeError, range, 0.0, 0.0, 1.0) |
| |
| |
| |
| def test_input_and_raw_input(self): |
| self.write_testfile() |
| fp = open(TESTFN, 'r') |
| savestdin = sys.stdin |
| savestdout = sys.stdout # Eats the echo |
| try: |
| sys.stdin = fp |
| sys.stdout = BitBucket() |
| self.assertEqual(input(), 2) |
| self.assertEqual(input('testing\n'), 2) |
| self.assertEqual(raw_input(), 'The quick brown fox jumps over the lazy dog.') |
| self.assertEqual(raw_input('testing\n'), 'Dear John') |
| |
| # SF 1535165: don't segfault on closed stdin |
| # sys.stdout must be a regular file for triggering |
| sys.stdout = savestdout |
| sys.stdin.close() |
| self.assertRaises(ValueError, input) |
| |
| sys.stdout = BitBucket() |
| sys.stdin = cStringIO.StringIO("NULL\0") |
| self.assertRaises(TypeError, input, 42, 42) |
| sys.stdin = cStringIO.StringIO(" 'whitespace'") |
| self.assertEqual(input(), 'whitespace') |
| sys.stdin = cStringIO.StringIO() |
| self.assertRaises(EOFError, input) |
| |
| # SF 876178: make sure input() respect future options. |
| sys.stdin = cStringIO.StringIO('1/2') |
| sys.stdout = cStringIO.StringIO() |
| exec compile('print input()', 'test_builtin_tmp', 'exec') |
| sys.stdin.seek(0, 0) |
| exec compile('from __future__ import division;print input()', |
| 'test_builtin_tmp', 'exec') |
| sys.stdin.seek(0, 0) |
| exec compile('print input()', 'test_builtin_tmp', 'exec') |
| # The result we expect depends on whether new division semantics |
| # are already in effect. |
| if 1/2 == 0: |
| # This test was compiled with old semantics. |
| expected = ['0', '0.5', '0'] |
| else: |
| # This test was compiled with new semantics (e.g., -Qnew |
| # was given on the command line. |
| expected = ['0.5', '0.5', '0.5'] |
| self.assertEqual(sys.stdout.getvalue().splitlines(), expected) |
| |
| del sys.stdout |
| self.assertRaises(RuntimeError, input, 'prompt') |
| del sys.stdin |
| self.assertRaises(RuntimeError, input, 'prompt') |
| finally: |
| sys.stdin = savestdin |
| sys.stdout = savestdout |
| fp.close() |
| unlink(TESTFN) |
| |
| def test_reduce(self): |
| add = lambda x, y: x+y |
| self.assertEqual(reduce(add, ['a', 'b', 'c'], ''), 'abc') |
| self.assertEqual( |
| reduce(add, [['a', 'c'], [], ['d', 'w']], []), |
| ['a','c','d','w'] |
| ) |
| self.assertEqual(reduce(lambda x, y: x*y, range(2,8), 1), 5040) |
| self.assertEqual( |
| reduce(lambda x, y: x*y, range(2,21), 1L), |
| 2432902008176640000L |
| ) |
| self.assertEqual(reduce(add, Squares(10)), 285) |
| self.assertEqual(reduce(add, Squares(10), 0), 285) |
| self.assertEqual(reduce(add, Squares(0), 0), 0) |
| self.assertRaises(TypeError, reduce) |
| self.assertRaises(TypeError, reduce, 42) |
| self.assertRaises(TypeError, reduce, 42, 42) |
| self.assertRaises(TypeError, reduce, 42, 42, 42) |
| self.assertRaises(TypeError, reduce, None, range(5)) |
| self.assertRaises(TypeError, reduce, add, 42) |
| self.assertEqual(reduce(42, "1"), "1") # func is never called with one item |
| self.assertEqual(reduce(42, "", "1"), "1") # func is never called with one item |
| self.assertRaises(TypeError, reduce, 42, (42, 42)) |
| self.assertRaises(TypeError, reduce, add, []) # arg 2 must not be empty sequence with no initial value |
| self.assertRaises(TypeError, reduce, add, "") |
| self.assertRaises(TypeError, reduce, add, ()) |
| self.assertEqual(reduce(add, [], None), None) |
| self.assertEqual(reduce(add, [], 42), 42) |
| |
| class BadSeq: |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, reduce, 42, BadSeq()) |
| |
| def test_reload(self): |
| import marshal |
| reload(marshal) |
| import string |
| reload(string) |
| ## import sys |
| ## self.assertRaises(ImportError, reload, sys) |
| |
| def test_repr(self): |
| self.assertEqual(repr(''), '\'\'') |
| self.assertEqual(repr(0), '0') |
| self.assertEqual(repr(0L), '0L') |
| self.assertEqual(repr(()), '()') |
| self.assertEqual(repr([]), '[]') |
| self.assertEqual(repr({}), '{}') |
| a = [] |
| a.append(a) |
| self.assertEqual(repr(a), '[[...]]') |
| a = {} |
| a[0] = a |
| self.assertEqual(repr(a), '{0: {...}}') |
| |
| def test_round(self): |
| self.assertEqual(round(0.0), 0.0) |
| self.assertEqual(type(round(0.0)), float) # Will be int in 3.0. |
| self.assertEqual(round(1.0), 1.0) |
| self.assertEqual(round(10.0), 10.0) |
| self.assertEqual(round(1000000000.0), 1000000000.0) |
| self.assertEqual(round(1e20), 1e20) |
| |
| self.assertEqual(round(-1.0), -1.0) |
| self.assertEqual(round(-10.0), -10.0) |
| self.assertEqual(round(-1000000000.0), -1000000000.0) |
| self.assertEqual(round(-1e20), -1e20) |
| |
| self.assertEqual(round(0.1), 0.0) |
| self.assertEqual(round(1.1), 1.0) |
| self.assertEqual(round(10.1), 10.0) |
| self.assertEqual(round(1000000000.1), 1000000000.0) |
| |
| self.assertEqual(round(-1.1), -1.0) |
| self.assertEqual(round(-10.1), -10.0) |
| self.assertEqual(round(-1000000000.1), -1000000000.0) |
| |
| self.assertEqual(round(0.9), 1.0) |
| self.assertEqual(round(9.9), 10.0) |
| self.assertEqual(round(999999999.9), 1000000000.0) |
| |
| self.assertEqual(round(-0.9), -1.0) |
| self.assertEqual(round(-9.9), -10.0) |
| self.assertEqual(round(-999999999.9), -1000000000.0) |
| |
| self.assertEqual(round(-8.0, -1), -10.0) |
| self.assertEqual(type(round(-8.0, -1)), float) |
| |
| self.assertEqual(type(round(-8.0, 0)), float) |
| self.assertEqual(type(round(-8.0, 1)), float) |
| |
| # Check half rounding behaviour. |
| self.assertEqual(round(5.5), 6) |
| self.assertEqual(round(6.5), 7) |
| self.assertEqual(round(-5.5), -6) |
| self.assertEqual(round(-6.5), -7) |
| |
| # Check behavior on ints |
| self.assertEqual(round(0), 0) |
| self.assertEqual(round(8), 8) |
| self.assertEqual(round(-8), -8) |
| self.assertEqual(type(round(0)), float) # Will be int in 3.0. |
| self.assertEqual(type(round(-8, -1)), float) |
| self.assertEqual(type(round(-8, 0)), float) |
| self.assertEqual(type(round(-8, 1)), float) |
| |
| # test new kwargs |
| self.assertEqual(round(number=-8.0, ndigits=-1), -10.0) |
| |
| self.assertRaises(TypeError, round) |
| |
| # test generic rounding delegation for reals |
| class TestRound(object): |
| def __float__(self): |
| return 23.0 |
| |
| class TestNoRound(object): |
| pass |
| |
| self.assertEqual(round(TestRound()), 23) |
| |
| self.assertRaises(TypeError, round, 1, 2, 3) |
| self.assertRaises(TypeError, round, TestNoRound()) |
| |
| t = TestNoRound() |
| t.__float__ = lambda *args: args |
| self.assertRaises(TypeError, round, t) |
| self.assertRaises(TypeError, round, t, 0) |
| |
| # Some versions of glibc for alpha have a bug that affects |
| # float -> integer rounding (floor, ceil, rint, round) for |
| # values in the range [2**52, 2**53). See: |
| # |
| # http://sources.redhat.com/bugzilla/show_bug.cgi?id=5350 |
| # |
| # We skip this test on Linux/alpha if it would fail. |
| linux_alpha = (platform.system().startswith('Linux') and |
| platform.machine().startswith('alpha')) |
| system_round_bug = round(5e15+1) != 5e15+1 |
| @unittest.skipIf(linux_alpha and system_round_bug, |
| "test will fail; failure is probably due to a " |
| "buggy system round function") |
| def test_round_large(self): |
| # Issue #1869: integral floats should remain unchanged |
| self.assertEqual(round(5e15-1), 5e15-1) |
| self.assertEqual(round(5e15), 5e15) |
| self.assertEqual(round(5e15+1), 5e15+1) |
| self.assertEqual(round(5e15+2), 5e15+2) |
| self.assertEqual(round(5e15+3), 5e15+3) |
| |
| def test_setattr(self): |
| setattr(sys, 'spam', 1) |
| self.assertEqual(sys.spam, 1) |
| self.assertRaises(TypeError, setattr, sys, 1, 'spam') |
| self.assertRaises(TypeError, setattr) |
| |
| def test_sum(self): |
| self.assertEqual(sum([]), 0) |
| self.assertEqual(sum(range(2,8)), 27) |
| self.assertEqual(sum(iter(range(2,8))), 27) |
| self.assertEqual(sum(Squares(10)), 285) |
| self.assertEqual(sum(iter(Squares(10))), 285) |
| self.assertEqual(sum([[1], [2], [3]], []), [1, 2, 3]) |
| |
| self.assertRaises(TypeError, sum) |
| self.assertRaises(TypeError, sum, 42) |
| self.assertRaises(TypeError, sum, ['a', 'b', 'c']) |
| self.assertRaises(TypeError, sum, ['a', 'b', 'c'], '') |
| self.assertRaises(TypeError, sum, [[1], [2], [3]]) |
| self.assertRaises(TypeError, sum, [{2:3}]) |
| self.assertRaises(TypeError, sum, [{2:3}]*2, {2:3}) |
| |
| class BadSeq: |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, sum, BadSeq()) |
| |
| empty = [] |
| sum(([x] for x in range(10)), empty) |
| self.assertEqual(empty, []) |
| |
| def test_type(self): |
| self.assertEqual(type(''), type('123')) |
| self.assertNotEqual(type(''), type(())) |
| |
| def test_unichr(self): |
| if have_unicode: |
| self.assertEqual(unichr(32), unicode(' ')) |
| self.assertEqual(unichr(65), unicode('A')) |
| self.assertEqual(unichr(97), unicode('a')) |
| self.assertEqual( |
| unichr(sys.maxunicode), |
| unicode('\\U%08x' % (sys.maxunicode), 'unicode-escape') |
| ) |
| self.assertRaises(ValueError, unichr, sys.maxunicode+1) |
| self.assertRaises(TypeError, unichr) |
| self.assertRaises((OverflowError, ValueError), unichr, 2**32) |
| |
| # We don't want self in vars(), so these are static methods |
| |
| @staticmethod |
| def get_vars_f0(): |
| return vars() |
| |
| @staticmethod |
| def get_vars_f2(): |
| BuiltinTest.get_vars_f0() |
| a = 1 |
| b = 2 |
| return vars() |
| |
| class C_get_vars(object): |
| def getDict(self): |
| return {'a':2} |
| __dict__ = property(fget=getDict) |
| |
| def test_vars(self): |
| self.assertEqual(set(vars()), set(dir())) |
| import sys |
| self.assertEqual(set(vars(sys)), set(dir(sys))) |
| self.assertEqual(self.get_vars_f0(), {}) |
| self.assertEqual(self.get_vars_f2(), {'a': 1, 'b': 2}) |
| self.assertRaises(TypeError, vars, 42, 42) |
| self.assertRaises(TypeError, vars, 42) |
| self.assertEqual(vars(self.C_get_vars()), {'a':2}) |
| |
| def test_zip(self): |
| a = (1, 2, 3) |
| b = (4, 5, 6) |
| t = [(1, 4), (2, 5), (3, 6)] |
| self.assertEqual(zip(a, b), t) |
| b = [4, 5, 6] |
| self.assertEqual(zip(a, b), t) |
| b = (4, 5, 6, 7) |
| self.assertEqual(zip(a, b), t) |
| class I: |
| def __getitem__(self, i): |
| if i < 0 or i > 2: raise IndexError |
| return i + 4 |
| self.assertEqual(zip(a, I()), t) |
| self.assertEqual(zip(), []) |
| self.assertEqual(zip(*[]), []) |
| self.assertRaises(TypeError, zip, None) |
| class G: |
| pass |
| self.assertRaises(TypeError, zip, a, G()) |
| |
| # Make sure zip doesn't try to allocate a billion elements for the |
| # result list when one of its arguments doesn't say how long it is. |
| # A MemoryError is the most likely failure mode. |
| class SequenceWithoutALength: |
| def __getitem__(self, i): |
| if i == 5: |
| raise IndexError |
| else: |
| return i |
| self.assertEqual( |
| zip(SequenceWithoutALength(), xrange(2**30)), |
| list(enumerate(range(5))) |
| ) |
| |
| class BadSeq: |
| def __getitem__(self, i): |
| if i == 5: |
| raise ValueError |
| else: |
| return i |
| self.assertRaises(ValueError, zip, BadSeq(), BadSeq()) |
| |
| def test_format(self): |
| # Test the basic machinery of the format() builtin. Don't test |
| # the specifics of the various formatters |
| self.assertEqual(format(3, ''), '3') |
| |
| # Returns some classes to use for various tests. There's |
| # an old-style version, and a new-style version |
| def classes_new(): |
| class A(object): |
| def __init__(self, x): |
| self.x = x |
| def __format__(self, format_spec): |
| return str(self.x) + format_spec |
| class DerivedFromA(A): |
| pass |
| |
| class Simple(object): pass |
| class DerivedFromSimple(Simple): |
| def __init__(self, x): |
| self.x = x |
| def __format__(self, format_spec): |
| return str(self.x) + format_spec |
| class DerivedFromSimple2(DerivedFromSimple): pass |
| return A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2 |
| |
| # In 3.0, classes_classic has the same meaning as classes_new |
| def classes_classic(): |
| class A: |
| def __init__(self, x): |
| self.x = x |
| def __format__(self, format_spec): |
| return str(self.x) + format_spec |
| class DerivedFromA(A): |
| pass |
| |
| class Simple: pass |
| class DerivedFromSimple(Simple): |
| def __init__(self, x): |
| self.x = x |
| def __format__(self, format_spec): |
| return str(self.x) + format_spec |
| class DerivedFromSimple2(DerivedFromSimple): pass |
| return A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2 |
| |
| def class_test(A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2): |
| self.assertEqual(format(A(3), 'spec'), '3spec') |
| self.assertEqual(format(DerivedFromA(4), 'spec'), '4spec') |
| self.assertEqual(format(DerivedFromSimple(5), 'abc'), '5abc') |
| self.assertEqual(format(DerivedFromSimple2(10), 'abcdef'), |
| '10abcdef') |
| |
| class_test(*classes_new()) |
| class_test(*classes_classic()) |
| |
| def empty_format_spec(value): |
| # test that: |
| # format(x, '') == str(x) |
| # format(x) == str(x) |
| self.assertEqual(format(value, ""), str(value)) |
| self.assertEqual(format(value), str(value)) |
| |
| # for builtin types, format(x, "") == str(x) |
| empty_format_spec(17**13) |
| empty_format_spec(1.0) |
| empty_format_spec(3.1415e104) |
| empty_format_spec(-3.1415e104) |
| empty_format_spec(3.1415e-104) |
| empty_format_spec(-3.1415e-104) |
| empty_format_spec(object) |
| empty_format_spec(None) |
| |
| # TypeError because self.__format__ returns the wrong type |
| class BadFormatResult: |
| def __format__(self, format_spec): |
| return 1.0 |
| self.assertRaises(TypeError, format, BadFormatResult(), "") |
| |
| # TypeError because format_spec is not unicode or str |
| self.assertRaises(TypeError, format, object(), 4) |
| self.assertRaises(TypeError, format, object(), object()) |
| |
| # tests for object.__format__ really belong elsewhere, but |
| # there's no good place to put them |
| x = object().__format__('') |
| self.assertTrue(x.startswith('<object object at')) |
| |
| # first argument to object.__format__ must be string |
| self.assertRaises(TypeError, object().__format__, 3) |
| self.assertRaises(TypeError, object().__format__, object()) |
| self.assertRaises(TypeError, object().__format__, None) |
| |
| # -------------------------------------------------------------------- |
| # Issue #7994: object.__format__ with a non-empty format string is |
| # pending deprecated |
| def test_deprecated_format_string(obj, fmt_str, should_raise_warning): |
| with warnings.catch_warnings(record=True) as w: |
| warnings.simplefilter("always", PendingDeprecationWarning) |
| format(obj, fmt_str) |
| if should_raise_warning: |
| self.assertEqual(len(w), 1) |
| self.assertIsInstance(w[0].message, PendingDeprecationWarning) |
| self.assertIn('object.__format__ with a non-empty format ' |
| 'string', str(w[0].message)) |
| else: |
| self.assertEqual(len(w), 0) |
| |
| fmt_strs = ['', 's', u'', u's'] |
| |
| class A: |
| def __format__(self, fmt_str): |
| return format('', fmt_str) |
| |
| for fmt_str in fmt_strs: |
| test_deprecated_format_string(A(), fmt_str, False) |
| |
| class B: |
| pass |
| |
| class C(object): |
| pass |
| |
| for cls in [object, B, C]: |
| for fmt_str in fmt_strs: |
| test_deprecated_format_string(cls(), fmt_str, len(fmt_str) != 0) |
| # -------------------------------------------------------------------- |
| |
| # make sure we can take a subclass of str as a format spec |
| class DerivedFromStr(str): pass |
| self.assertEqual(format(0, DerivedFromStr('10')), ' 0') |
| |
| def test_bin(self): |
| self.assertEqual(bin(0), '0b0') |
| self.assertEqual(bin(1), '0b1') |
| self.assertEqual(bin(-1), '-0b1') |
| self.assertEqual(bin(2**65), '0b1' + '0' * 65) |
| self.assertEqual(bin(2**65-1), '0b' + '1' * 65) |
| self.assertEqual(bin(-(2**65)), '-0b1' + '0' * 65) |
| self.assertEqual(bin(-(2**65-1)), '-0b' + '1' * 65) |
| |
| def test_bytearray_translate(self): |
| x = bytearray("abc") |
| self.assertRaises(ValueError, x.translate, "1", 1) |
| self.assertRaises(TypeError, x.translate, "1"*256, 1) |
| |
| class TestSorted(unittest.TestCase): |
| |
| def test_basic(self): |
| data = range(100) |
| copy = data[:] |
| random.shuffle(copy) |
| self.assertEqual(data, sorted(copy)) |
| self.assertNotEqual(data, copy) |
| |
| data.reverse() |
| random.shuffle(copy) |
| self.assertEqual(data, sorted(copy, cmp=lambda x, y: cmp(y,x))) |
| self.assertNotEqual(data, copy) |
| random.shuffle(copy) |
| self.assertEqual(data, sorted(copy, key=lambda x: -x)) |
| self.assertNotEqual(data, copy) |
| random.shuffle(copy) |
| self.assertEqual(data, sorted(copy, reverse=1)) |
| self.assertNotEqual(data, copy) |
| |
| def test_inputtypes(self): |
| s = 'abracadabra' |
| types = [list, tuple] |
| if have_unicode: |
| types.insert(0, unicode) |
| for T in types: |
| self.assertEqual(sorted(s), sorted(T(s))) |
| |
| s = ''.join(dict.fromkeys(s).keys()) # unique letters only |
| types = [set, frozenset, list, tuple, dict.fromkeys] |
| if have_unicode: |
| types.insert(0, unicode) |
| for T in types: |
| self.assertEqual(sorted(s), sorted(T(s))) |
| |
| def test_baddecorator(self): |
| data = 'The quick Brown fox Jumped over The lazy Dog'.split() |
| self.assertRaises(TypeError, sorted, data, None, lambda x,y: 0) |
| |
| def _run_unittest(*args): |
| with check_py3k_warnings( |
| (".+ not supported in 3.x", DeprecationWarning), |
| (".+ is renamed to imp.reload", DeprecationWarning), |
| ("classic int division", DeprecationWarning)): |
| run_unittest(*args) |
| |
| def test_main(verbose=None): |
| test_classes = (BuiltinTest, TestSorted) |
| |
| _run_unittest(*test_classes) |
| |
| # verify reference counting |
| if verbose and hasattr(sys, "gettotalrefcount"): |
| import gc |
| counts = [None] * 5 |
| for i in xrange(len(counts)): |
| _run_unittest(*test_classes) |
| gc.collect() |
| counts[i] = sys.gettotalrefcount() |
| print counts |
| |
| |
| if __name__ == "__main__": |
| test_main(verbose=True) |
