1709 lines
60 KiB
Python
1709 lines
60 KiB
Python
# Python test set -- built-in functions
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import platform
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import unittest
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from test.test_support import fcmp, have_unicode, TESTFN, unlink, \
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run_unittest, check_py3k_warnings
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import warnings
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from operator import neg
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import sys, cStringIO, random, UserDict
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# count the number of test runs.
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# used to skip running test_execfile() multiple times
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# and to create unique strings to intern in test_intern()
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numruns = 0
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class Squares:
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def __init__(self, max):
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self.max = max
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self.sofar = []
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def __len__(self): return len(self.sofar)
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def __getitem__(self, i):
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if not 0 <= i < self.max: raise IndexError
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n = len(self.sofar)
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while n <= i:
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self.sofar.append(n*n)
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n += 1
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return self.sofar[i]
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class StrSquares:
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def __init__(self, max):
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self.max = max
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self.sofar = []
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def __len__(self):
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return len(self.sofar)
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def __getitem__(self, i):
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if not 0 <= i < self.max:
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raise IndexError
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n = len(self.sofar)
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while n <= i:
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self.sofar.append(str(n*n))
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n += 1
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return self.sofar[i]
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class BitBucket:
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def write(self, line):
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pass
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class TestFailingBool:
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def __nonzero__(self):
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raise RuntimeError
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class TestFailingIter:
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def __iter__(self):
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raise RuntimeError
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class BuiltinTest(unittest.TestCase):
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def test_import(self):
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__import__('sys')
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__import__('time')
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__import__('string')
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__import__(name='sys')
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__import__(name='time', level=0)
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self.assertRaises(ImportError, __import__, 'spamspam')
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self.assertRaises(TypeError, __import__, 1, 2, 3, 4)
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self.assertRaises(ValueError, __import__, '')
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self.assertRaises(TypeError, __import__, 'sys', name='sys')
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def test_abs(self):
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# int
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self.assertEqual(abs(0), 0)
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self.assertEqual(abs(1234), 1234)
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self.assertEqual(abs(-1234), 1234)
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self.assertTrue(abs(-sys.maxint-1) > 0)
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# float
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self.assertEqual(abs(0.0), 0.0)
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self.assertEqual(abs(3.14), 3.14)
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self.assertEqual(abs(-3.14), 3.14)
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# long
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self.assertEqual(abs(0L), 0L)
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self.assertEqual(abs(1234L), 1234L)
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self.assertEqual(abs(-1234L), 1234L)
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# str
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self.assertRaises(TypeError, abs, 'a')
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# bool
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self.assertEqual(abs(True), 1)
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self.assertEqual(abs(False), 0)
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# other
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self.assertRaises(TypeError, abs)
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self.assertRaises(TypeError, abs, None)
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class AbsClass(object):
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def __abs__(self):
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return -5
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self.assertEqual(abs(AbsClass()), -5)
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def test_all(self):
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self.assertEqual(all([2, 4, 6]), True)
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self.assertEqual(all([2, None, 6]), False)
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self.assertRaises(RuntimeError, all, [2, TestFailingBool(), 6])
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self.assertRaises(RuntimeError, all, TestFailingIter())
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self.assertRaises(TypeError, all, 10) # Non-iterable
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self.assertRaises(TypeError, all) # No args
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self.assertRaises(TypeError, all, [2, 4, 6], []) # Too many args
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self.assertEqual(all([]), True) # Empty iterator
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S = [50, 60]
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self.assertEqual(all(x > 42 for x in S), True)
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S = [50, 40, 60]
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self.assertEqual(all(x > 42 for x in S), False)
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def test_any(self):
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self.assertEqual(any([None, None, None]), False)
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self.assertEqual(any([None, 4, None]), True)
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self.assertRaises(RuntimeError, any, [None, TestFailingBool(), 6])
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self.assertRaises(RuntimeError, all, TestFailingIter())
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self.assertRaises(TypeError, any, 10) # Non-iterable
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self.assertRaises(TypeError, any) # No args
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self.assertRaises(TypeError, any, [2, 4, 6], []) # Too many args
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self.assertEqual(any([]), False) # Empty iterator
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S = [40, 60, 30]
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self.assertEqual(any(x > 42 for x in S), True)
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S = [10, 20, 30]
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self.assertEqual(any(x > 42 for x in S), False)
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def test_neg(self):
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x = -sys.maxint-1
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self.assertTrue(isinstance(x, int))
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self.assertEqual(-x, sys.maxint+1)
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def test_apply(self):
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def f0(*args):
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self.assertEqual(args, ())
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def f1(a1):
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self.assertEqual(a1, 1)
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def f2(a1, a2):
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self.assertEqual(a1, 1)
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self.assertEqual(a2, 2)
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def f3(a1, a2, a3):
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self.assertEqual(a1, 1)
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self.assertEqual(a2, 2)
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self.assertEqual(a3, 3)
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apply(f0, ())
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apply(f1, (1,))
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apply(f2, (1, 2))
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apply(f3, (1, 2, 3))
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# A PyCFunction that takes only positional parameters should allow an
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# empty keyword dictionary to pass without a complaint, but raise a
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# TypeError if the dictionary is non-empty.
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apply(id, (1,), {})
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self.assertRaises(TypeError, apply, id, (1,), {"foo": 1})
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self.assertRaises(TypeError, apply)
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self.assertRaises(TypeError, apply, id, 42)
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self.assertRaises(TypeError, apply, id, (42,), 42)
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def test_callable(self):
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self.assertTrue(callable(len))
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self.assertFalse(callable("a"))
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self.assertTrue(callable(callable))
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self.assertTrue(callable(lambda x, y: x + y))
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self.assertFalse(callable(__builtins__))
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def f(): pass
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self.assertTrue(callable(f))
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class Classic:
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def meth(self): pass
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self.assertTrue(callable(Classic))
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c = Classic()
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self.assertTrue(callable(c.meth))
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self.assertFalse(callable(c))
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class NewStyle(object):
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def meth(self): pass
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self.assertTrue(callable(NewStyle))
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n = NewStyle()
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self.assertTrue(callable(n.meth))
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self.assertFalse(callable(n))
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# Classic and new-style classes evaluate __call__() differently
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c.__call__ = None
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self.assertTrue(callable(c))
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del c.__call__
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self.assertFalse(callable(c))
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n.__call__ = None
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self.assertFalse(callable(n))
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del n.__call__
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self.assertFalse(callable(n))
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class N2(object):
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def __call__(self): pass
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n2 = N2()
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self.assertTrue(callable(n2))
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class N3(N2): pass
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n3 = N3()
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self.assertTrue(callable(n3))
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def test_chr(self):
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self.assertEqual(chr(32), ' ')
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self.assertEqual(chr(65), 'A')
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self.assertEqual(chr(97), 'a')
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self.assertEqual(chr(0xff), '\xff')
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self.assertRaises(ValueError, chr, 256)
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self.assertRaises(TypeError, chr)
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def test_cmp(self):
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self.assertEqual(cmp(-1, 1), -1)
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self.assertEqual(cmp(1, -1), 1)
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self.assertEqual(cmp(1, 1), 0)
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# verify that circular objects are not handled
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a = []; a.append(a)
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b = []; b.append(b)
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from UserList import UserList
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c = UserList(); c.append(c)
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self.assertRaises(RuntimeError, cmp, a, b)
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self.assertRaises(RuntimeError, cmp, b, c)
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self.assertRaises(RuntimeError, cmp, c, a)
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self.assertRaises(RuntimeError, cmp, a, c)
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# okay, now break the cycles
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a.pop(); b.pop(); c.pop()
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self.assertRaises(TypeError, cmp)
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def test_coerce(self):
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self.assertTrue(not fcmp(coerce(1, 1.1), (1.0, 1.1)))
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self.assertEqual(coerce(1, 1L), (1L, 1L))
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self.assertTrue(not fcmp(coerce(1L, 1.1), (1.0, 1.1)))
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self.assertRaises(TypeError, coerce)
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class BadNumber:
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def __coerce__(self, other):
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raise ValueError
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self.assertRaises(ValueError, coerce, 42, BadNumber())
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self.assertRaises(OverflowError, coerce, 0.5, int("12345" * 1000))
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def test_compile(self):
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compile('print 1\n', '', 'exec')
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bom = '\xef\xbb\xbf'
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compile(bom + 'print 1\n', '', 'exec')
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compile(source='pass', filename='?', mode='exec')
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compile(dont_inherit=0, filename='tmp', source='0', mode='eval')
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compile('pass', '?', dont_inherit=1, mode='exec')
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self.assertRaises(TypeError, compile)
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self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'badmode')
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self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'single', 0xff)
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self.assertRaises(TypeError, compile, chr(0), 'f', 'exec')
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self.assertRaises(TypeError, compile, 'pass', '?', 'exec',
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mode='eval', source='0', filename='tmp')
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if have_unicode:
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compile(unicode('print u"\xc3\xa5"\n', 'utf8'), '', 'exec')
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self.assertRaises(TypeError, compile, unichr(0), 'f', 'exec')
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self.assertRaises(ValueError, compile, unicode('a = 1'), 'f', 'bad')
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def test_delattr(self):
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import sys
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sys.spam = 1
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delattr(sys, 'spam')
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self.assertRaises(TypeError, delattr)
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def test_dir(self):
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# dir(wrong number of arguments)
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self.assertRaises(TypeError, dir, 42, 42)
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# dir() - local scope
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local_var = 1
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self.assertIn('local_var', dir())
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# dir(module)
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import sys
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self.assertIn('exit', dir(sys))
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# dir(module_with_invalid__dict__)
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import types
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class Foo(types.ModuleType):
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__dict__ = 8
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f = Foo("foo")
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self.assertRaises(TypeError, dir, f)
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# dir(type)
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self.assertIn("strip", dir(str))
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self.assertNotIn("__mro__", dir(str))
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# dir(obj)
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class Foo(object):
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def __init__(self):
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self.x = 7
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self.y = 8
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self.z = 9
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f = Foo()
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self.assertIn("y", dir(f))
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# dir(obj_no__dict__)
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class Foo(object):
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__slots__ = []
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f = Foo()
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self.assertIn("__repr__", dir(f))
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# dir(obj_no__class__with__dict__)
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# (an ugly trick to cause getattr(f, "__class__") to fail)
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class Foo(object):
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__slots__ = ["__class__", "__dict__"]
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def __init__(self):
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self.bar = "wow"
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f = Foo()
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self.assertNotIn("__repr__", dir(f))
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self.assertIn("bar", dir(f))
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# dir(obj_using __dir__)
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class Foo(object):
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def __dir__(self):
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return ["kan", "ga", "roo"]
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f = Foo()
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self.assertTrue(dir(f) == ["ga", "kan", "roo"])
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# dir(obj__dir__not_list)
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class Foo(object):
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def __dir__(self):
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return 7
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f = Foo()
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self.assertRaises(TypeError, dir, f)
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def test_divmod(self):
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self.assertEqual(divmod(12, 7), (1, 5))
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self.assertEqual(divmod(-12, 7), (-2, 2))
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self.assertEqual(divmod(12, -7), (-2, -2))
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self.assertEqual(divmod(-12, -7), (1, -5))
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self.assertEqual(divmod(12L, 7L), (1L, 5L))
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self.assertEqual(divmod(-12L, 7L), (-2L, 2L))
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self.assertEqual(divmod(12L, -7L), (-2L, -2L))
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self.assertEqual(divmod(-12L, -7L), (1L, -5L))
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self.assertEqual(divmod(12, 7L), (1, 5L))
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self.assertEqual(divmod(-12, 7L), (-2, 2L))
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self.assertEqual(divmod(12L, -7), (-2L, -2))
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self.assertEqual(divmod(-12L, -7), (1L, -5))
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self.assertEqual(divmod(-sys.maxint-1, -1),
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(sys.maxint+1, 0))
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self.assertTrue(not fcmp(divmod(3.25, 1.0), (3.0, 0.25)))
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self.assertTrue(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75)))
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self.assertTrue(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75)))
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self.assertTrue(not fcmp(divmod(-3.25, -1.0), (3.0, -0.25)))
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self.assertRaises(TypeError, divmod)
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def test_eval(self):
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self.assertEqual(eval('1+1'), 2)
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self.assertEqual(eval(' 1+1\n'), 2)
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globals = {'a': 1, 'b': 2}
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locals = {'b': 200, 'c': 300}
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self.assertEqual(eval('a', globals) , 1)
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self.assertEqual(eval('a', globals, locals), 1)
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self.assertEqual(eval('b', globals, locals), 200)
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self.assertEqual(eval('c', globals, locals), 300)
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if have_unicode:
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self.assertEqual(eval(unicode('1+1')), 2)
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self.assertEqual(eval(unicode(' 1+1\n')), 2)
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globals = {'a': 1, 'b': 2}
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locals = {'b': 200, 'c': 300}
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if have_unicode:
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self.assertEqual(eval(unicode('a'), globals), 1)
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self.assertEqual(eval(unicode('a'), globals, locals), 1)
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self.assertEqual(eval(unicode('b'), globals, locals), 200)
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self.assertEqual(eval(unicode('c'), globals, locals), 300)
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bom = '\xef\xbb\xbf'
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self.assertEqual(eval(bom + 'a', globals, locals), 1)
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self.assertEqual(eval(unicode('u"\xc3\xa5"', 'utf8'), globals),
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unicode('\xc3\xa5', 'utf8'))
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self.assertRaises(TypeError, eval)
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self.assertRaises(TypeError, eval, ())
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def test_general_eval(self):
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# Tests that general mappings can be used for the locals argument
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class M:
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"Test mapping interface versus possible calls from eval()."
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def __getitem__(self, key):
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if key == 'a':
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return 12
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raise KeyError
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def keys(self):
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return list('xyz')
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m = M()
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g = globals()
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self.assertEqual(eval('a', g, m), 12)
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self.assertRaises(NameError, eval, 'b', g, m)
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self.assertEqual(eval('dir()', g, m), list('xyz'))
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self.assertEqual(eval('globals()', g, m), g)
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self.assertEqual(eval('locals()', g, m), m)
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self.assertRaises(TypeError, eval, 'a', m)
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class A:
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"Non-mapping"
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pass
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m = A()
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self.assertRaises(TypeError, eval, 'a', g, m)
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# Verify that dict subclasses work as well
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class D(dict):
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def __getitem__(self, key):
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if key == 'a':
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return 12
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return dict.__getitem__(self, key)
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def keys(self):
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return list('xyz')
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d = D()
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self.assertEqual(eval('a', g, d), 12)
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self.assertRaises(NameError, eval, 'b', g, d)
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self.assertEqual(eval('dir()', g, d), list('xyz'))
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self.assertEqual(eval('globals()', g, d), g)
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self.assertEqual(eval('locals()', g, d), d)
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# Verify locals stores (used by list comps)
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eval('[locals() for i in (2,3)]', g, d)
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eval('[locals() for i in (2,3)]', g, UserDict.UserDict())
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class SpreadSheet:
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"Sample application showing nested, calculated lookups."
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_cells = {}
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def __setitem__(self, key, formula):
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self._cells[key] = formula
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def __getitem__(self, key):
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return eval(self._cells[key], globals(), self)
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ss = SpreadSheet()
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ss['a1'] = '5'
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ss['a2'] = 'a1*6'
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ss['a3'] = 'a2*7'
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self.assertEqual(ss['a3'], 210)
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# Verify that dir() catches a non-list returned by eval
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# SF bug #1004669
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class C:
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def __getitem__(self, item):
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raise KeyError(item)
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def keys(self):
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return 'a'
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self.assertRaises(TypeError, eval, 'dir()', globals(), C())
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# Done outside of the method test_z to get the correct scope
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z = 0
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f = open(TESTFN, 'w')
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f.write('z = z+1\n')
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f.write('z = z*2\n')
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f.close()
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with check_py3k_warnings(("execfile.. not supported in 3.x",
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DeprecationWarning)):
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execfile(TESTFN)
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def test_execfile(self):
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global numruns
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if numruns:
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return
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numruns += 1
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globals = {'a': 1, 'b': 2}
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locals = {'b': 200, 'c': 300}
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self.assertEqual(self.__class__.z, 2)
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globals['z'] = 0
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execfile(TESTFN, globals)
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self.assertEqual(globals['z'], 2)
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locals['z'] = 0
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execfile(TESTFN, globals, locals)
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self.assertEqual(locals['z'], 2)
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class M:
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"Test mapping interface versus possible calls from execfile()."
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def __init__(self):
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self.z = 10
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def __getitem__(self, key):
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if key == 'z':
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return self.z
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raise KeyError
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def __setitem__(self, key, value):
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if key == 'z':
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self.z = value
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|
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
|
|
|
|
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)
|