| import operator |
| import unittest |
| |
| from test import test_support |
| |
| class Seq1: |
| def __init__(self, lst): |
| self.lst = lst |
| def __len__(self): |
| return len(self.lst) |
| def __getitem__(self, i): |
| return self.lst[i] |
| def __add__(self, other): |
| return self.lst + other.lst |
| def __mul__(self, other): |
| return self.lst * other |
| def __rmul__(self, other): |
| return other * self.lst |
| |
| class Seq2(object): |
| def __init__(self, lst): |
| self.lst = lst |
| def __len__(self): |
| return len(self.lst) |
| def __getitem__(self, i): |
| return self.lst[i] |
| def __add__(self, other): |
| return self.lst + other.lst |
| def __mul__(self, other): |
| return self.lst * other |
| def __rmul__(self, other): |
| return other * self.lst |
| |
| |
| class OperatorTestCase(unittest.TestCase): |
| def test_lt(self): |
| self.assertRaises(TypeError, operator.lt) |
| self.assertRaises(TypeError, operator.lt, 1j, 2j) |
| self.assertFalse(operator.lt(1, 0)) |
| self.assertFalse(operator.lt(1, 0.0)) |
| self.assertFalse(operator.lt(1, 1)) |
| self.assertFalse(operator.lt(1, 1.0)) |
| self.assertTrue(operator.lt(1, 2)) |
| self.assertTrue(operator.lt(1, 2.0)) |
| |
| def test_le(self): |
| self.assertRaises(TypeError, operator.le) |
| self.assertRaises(TypeError, operator.le, 1j, 2j) |
| self.assertFalse(operator.le(1, 0)) |
| self.assertFalse(operator.le(1, 0.0)) |
| self.assertTrue(operator.le(1, 1)) |
| self.assertTrue(operator.le(1, 1.0)) |
| self.assertTrue(operator.le(1, 2)) |
| self.assertTrue(operator.le(1, 2.0)) |
| |
| def test_eq(self): |
| class C(object): |
| def __eq__(self, other): |
| raise SyntaxError |
| __hash__ = None # Silence Py3k warning |
| self.assertRaises(TypeError, operator.eq) |
| self.assertRaises(SyntaxError, operator.eq, C(), C()) |
| self.assertFalse(operator.eq(1, 0)) |
| self.assertFalse(operator.eq(1, 0.0)) |
| self.assertTrue(operator.eq(1, 1)) |
| self.assertTrue(operator.eq(1, 1.0)) |
| self.assertFalse(operator.eq(1, 2)) |
| self.assertFalse(operator.eq(1, 2.0)) |
| |
| def test_ne(self): |
| class C(object): |
| def __ne__(self, other): |
| raise SyntaxError |
| self.assertRaises(TypeError, operator.ne) |
| self.assertRaises(SyntaxError, operator.ne, C(), C()) |
| self.assertTrue(operator.ne(1, 0)) |
| self.assertTrue(operator.ne(1, 0.0)) |
| self.assertFalse(operator.ne(1, 1)) |
| self.assertFalse(operator.ne(1, 1.0)) |
| self.assertTrue(operator.ne(1, 2)) |
| self.assertTrue(operator.ne(1, 2.0)) |
| |
| def test_ge(self): |
| self.assertRaises(TypeError, operator.ge) |
| self.assertRaises(TypeError, operator.ge, 1j, 2j) |
| self.assertTrue(operator.ge(1, 0)) |
| self.assertTrue(operator.ge(1, 0.0)) |
| self.assertTrue(operator.ge(1, 1)) |
| self.assertTrue(operator.ge(1, 1.0)) |
| self.assertFalse(operator.ge(1, 2)) |
| self.assertFalse(operator.ge(1, 2.0)) |
| |
| def test_gt(self): |
| self.assertRaises(TypeError, operator.gt) |
| self.assertRaises(TypeError, operator.gt, 1j, 2j) |
| self.assertTrue(operator.gt(1, 0)) |
| self.assertTrue(operator.gt(1, 0.0)) |
| self.assertFalse(operator.gt(1, 1)) |
| self.assertFalse(operator.gt(1, 1.0)) |
| self.assertFalse(operator.gt(1, 2)) |
| self.assertFalse(operator.gt(1, 2.0)) |
| |
| def test_abs(self): |
| self.assertRaises(TypeError, operator.abs) |
| self.assertRaises(TypeError, operator.abs, None) |
| self.assertTrue(operator.abs(-1) == 1) |
| self.assertTrue(operator.abs(1) == 1) |
| |
| def test_add(self): |
| self.assertRaises(TypeError, operator.add) |
| self.assertRaises(TypeError, operator.add, None, None) |
| self.assertTrue(operator.add(3, 4) == 7) |
| |
| def test_bitwise_and(self): |
| self.assertRaises(TypeError, operator.and_) |
| self.assertRaises(TypeError, operator.and_, None, None) |
| self.assertTrue(operator.and_(0xf, 0xa) == 0xa) |
| |
| def test_concat(self): |
| self.assertRaises(TypeError, operator.concat) |
| self.assertRaises(TypeError, operator.concat, None, None) |
| self.assertTrue(operator.concat('py', 'thon') == 'python') |
| self.assertTrue(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4]) |
| self.assertTrue(operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7]) |
| self.assertTrue(operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7]) |
| self.assertRaises(TypeError, operator.concat, 13, 29) |
| |
| def test_countOf(self): |
| self.assertRaises(TypeError, operator.countOf) |
| self.assertRaises(TypeError, operator.countOf, None, None) |
| self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1) |
| self.assertTrue(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0) |
| |
| def test_delitem(self): |
| a = [4, 3, 2, 1] |
| self.assertRaises(TypeError, operator.delitem, a) |
| self.assertRaises(TypeError, operator.delitem, a, None) |
| self.assertTrue(operator.delitem(a, 1) is None) |
| self.assertTrue(a == [4, 2, 1]) |
| |
| def test_delslice(self): |
| a = range(10) |
| self.assertRaises(TypeError, operator.delslice, a) |
| self.assertRaises(TypeError, operator.delslice, a, None, None) |
| self.assertTrue(operator.delslice(a, 2, 8) is None) |
| self.assertTrue(a == [0, 1, 8, 9]) |
| operator.delslice(a, 0, test_support.MAX_Py_ssize_t) |
| self.assertTrue(a == []) |
| |
| def test_div(self): |
| self.assertRaises(TypeError, operator.div, 5) |
| self.assertRaises(TypeError, operator.div, None, None) |
| self.assertTrue(operator.floordiv(5, 2) == 2) |
| |
| def test_floordiv(self): |
| self.assertRaises(TypeError, operator.floordiv, 5) |
| self.assertRaises(TypeError, operator.floordiv, None, None) |
| self.assertTrue(operator.floordiv(5, 2) == 2) |
| |
| def test_truediv(self): |
| self.assertRaises(TypeError, operator.truediv, 5) |
| self.assertRaises(TypeError, operator.truediv, None, None) |
| self.assertTrue(operator.truediv(5, 2) == 2.5) |
| |
| def test_getitem(self): |
| a = range(10) |
| self.assertRaises(TypeError, operator.getitem) |
| self.assertRaises(TypeError, operator.getitem, a, None) |
| self.assertTrue(operator.getitem(a, 2) == 2) |
| |
| def test_getslice(self): |
| a = range(10) |
| self.assertRaises(TypeError, operator.getslice) |
| self.assertRaises(TypeError, operator.getslice, a, None, None) |
| self.assertTrue(operator.getslice(a, 4, 6) == [4, 5]) |
| b = operator.getslice(a, 0, test_support.MAX_Py_ssize_t) |
| self.assertTrue(b == a) |
| |
| def test_indexOf(self): |
| self.assertRaises(TypeError, operator.indexOf) |
| self.assertRaises(TypeError, operator.indexOf, None, None) |
| self.assertTrue(operator.indexOf([4, 3, 2, 1], 3) == 1) |
| self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0) |
| |
| def test_invert(self): |
| self.assertRaises(TypeError, operator.invert) |
| self.assertRaises(TypeError, operator.invert, None) |
| self.assertTrue(operator.inv(4) == -5) |
| |
| def test_isCallable(self): |
| self.assertRaises(TypeError, operator.isCallable) |
| class C: |
| pass |
| def check(self, o, v): |
| with test_support.check_py3k_warnings(): |
| self.assertEqual(operator.isCallable(o), v) |
| self.assertEqual(callable(o), v) |
| check(self, 4, 0) |
| check(self, operator.isCallable, 1) |
| check(self, C, 1) |
| check(self, C(), 0) |
| |
| def test_isMappingType(self): |
| self.assertRaises(TypeError, operator.isMappingType) |
| self.assertFalse(operator.isMappingType(1)) |
| self.assertFalse(operator.isMappingType(operator.isMappingType)) |
| self.assertTrue(operator.isMappingType(operator.__dict__)) |
| self.assertTrue(operator.isMappingType({})) |
| |
| def test_isNumberType(self): |
| self.assertRaises(TypeError, operator.isNumberType) |
| self.assertTrue(operator.isNumberType(8)) |
| self.assertTrue(operator.isNumberType(8j)) |
| self.assertTrue(operator.isNumberType(8L)) |
| self.assertTrue(operator.isNumberType(8.3)) |
| self.assertFalse(operator.isNumberType(dir())) |
| |
| def test_isSequenceType(self): |
| self.assertRaises(TypeError, operator.isSequenceType) |
| self.assertTrue(operator.isSequenceType(dir())) |
| self.assertTrue(operator.isSequenceType(())) |
| self.assertTrue(operator.isSequenceType(xrange(10))) |
| self.assertTrue(operator.isSequenceType('yeahbuddy')) |
| self.assertFalse(operator.isSequenceType(3)) |
| class Dict(dict): pass |
| self.assertFalse(operator.isSequenceType(Dict())) |
| |
| def test_lshift(self): |
| self.assertRaises(TypeError, operator.lshift) |
| self.assertRaises(TypeError, operator.lshift, None, 42) |
| self.assertTrue(operator.lshift(5, 1) == 10) |
| self.assertTrue(operator.lshift(5, 0) == 5) |
| self.assertRaises(ValueError, operator.lshift, 2, -1) |
| |
| def test_mod(self): |
| self.assertRaises(TypeError, operator.mod) |
| self.assertRaises(TypeError, operator.mod, None, 42) |
| self.assertTrue(operator.mod(5, 2) == 1) |
| |
| def test_mul(self): |
| self.assertRaises(TypeError, operator.mul) |
| self.assertRaises(TypeError, operator.mul, None, None) |
| self.assertTrue(operator.mul(5, 2) == 10) |
| |
| def test_neg(self): |
| self.assertRaises(TypeError, operator.neg) |
| self.assertRaises(TypeError, operator.neg, None) |
| self.assertTrue(operator.neg(5) == -5) |
| self.assertTrue(operator.neg(-5) == 5) |
| self.assertTrue(operator.neg(0) == 0) |
| self.assertTrue(operator.neg(-0) == 0) |
| |
| def test_bitwise_or(self): |
| self.assertRaises(TypeError, operator.or_) |
| self.assertRaises(TypeError, operator.or_, None, None) |
| self.assertTrue(operator.or_(0xa, 0x5) == 0xf) |
| |
| def test_pos(self): |
| self.assertRaises(TypeError, operator.pos) |
| self.assertRaises(TypeError, operator.pos, None) |
| self.assertTrue(operator.pos(5) == 5) |
| self.assertTrue(operator.pos(-5) == -5) |
| self.assertTrue(operator.pos(0) == 0) |
| self.assertTrue(operator.pos(-0) == 0) |
| |
| def test_pow(self): |
| self.assertRaises(TypeError, operator.pow) |
| self.assertRaises(TypeError, operator.pow, None, None) |
| self.assertTrue(operator.pow(3,5) == 3**5) |
| self.assertTrue(operator.__pow__(3,5) == 3**5) |
| self.assertRaises(TypeError, operator.pow, 1) |
| self.assertRaises(TypeError, operator.pow, 1, 2, 3) |
| |
| def test_repeat(self): |
| a = range(3) |
| self.assertRaises(TypeError, operator.repeat) |
| self.assertRaises(TypeError, operator.repeat, a, None) |
| self.assertTrue(operator.repeat(a, 2) == a+a) |
| self.assertTrue(operator.repeat(a, 1) == a) |
| self.assertTrue(operator.repeat(a, 0) == []) |
| a = (1, 2, 3) |
| self.assertTrue(operator.repeat(a, 2) == a+a) |
| self.assertTrue(operator.repeat(a, 1) == a) |
| self.assertTrue(operator.repeat(a, 0) == ()) |
| a = '123' |
| self.assertTrue(operator.repeat(a, 2) == a+a) |
| self.assertTrue(operator.repeat(a, 1) == a) |
| self.assertTrue(operator.repeat(a, 0) == '') |
| a = Seq1([4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 1) == [4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 0) == []) |
| a = Seq2([4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 1) == [4, 5, 6]) |
| self.assertTrue(operator.repeat(a, 0) == []) |
| self.assertRaises(TypeError, operator.repeat, 6, 7) |
| |
| def test_rshift(self): |
| self.assertRaises(TypeError, operator.rshift) |
| self.assertRaises(TypeError, operator.rshift, None, 42) |
| self.assertTrue(operator.rshift(5, 1) == 2) |
| self.assertTrue(operator.rshift(5, 0) == 5) |
| self.assertRaises(ValueError, operator.rshift, 2, -1) |
| |
| def test_contains(self): |
| self.assertRaises(TypeError, operator.contains) |
| self.assertRaises(TypeError, operator.contains, None, None) |
| self.assertTrue(operator.contains(range(4), 2)) |
| self.assertFalse(operator.contains(range(4), 5)) |
| with test_support.check_py3k_warnings(): |
| self.assertTrue(operator.sequenceIncludes(range(4), 2)) |
| self.assertFalse(operator.sequenceIncludes(range(4), 5)) |
| |
| def test_setitem(self): |
| a = range(3) |
| self.assertRaises(TypeError, operator.setitem, a) |
| self.assertRaises(TypeError, operator.setitem, a, None, None) |
| self.assertTrue(operator.setitem(a, 0, 2) is None) |
| self.assertTrue(a == [2, 1, 2]) |
| self.assertRaises(IndexError, operator.setitem, a, 4, 2) |
| |
| def test_setslice(self): |
| a = range(4) |
| self.assertRaises(TypeError, operator.setslice, a) |
| self.assertRaises(TypeError, operator.setslice, a, None, None, None) |
| self.assertTrue(operator.setslice(a, 1, 3, [2, 1]) is None) |
| self.assertTrue(a == [0, 2, 1, 3]) |
| operator.setslice(a, 0, test_support.MAX_Py_ssize_t, []) |
| self.assertTrue(a == []) |
| |
| def test_sub(self): |
| self.assertRaises(TypeError, operator.sub) |
| self.assertRaises(TypeError, operator.sub, None, None) |
| self.assertTrue(operator.sub(5, 2) == 3) |
| |
| def test_truth(self): |
| class C(object): |
| def __nonzero__(self): |
| raise SyntaxError |
| self.assertRaises(TypeError, operator.truth) |
| self.assertRaises(SyntaxError, operator.truth, C()) |
| self.assertTrue(operator.truth(5)) |
| self.assertTrue(operator.truth([0])) |
| self.assertFalse(operator.truth(0)) |
| self.assertFalse(operator.truth([])) |
| |
| def test_bitwise_xor(self): |
| self.assertRaises(TypeError, operator.xor) |
| self.assertRaises(TypeError, operator.xor, None, None) |
| self.assertTrue(operator.xor(0xb, 0xc) == 0x7) |
| |
| def test_is(self): |
| a = b = 'xyzpdq' |
| c = a[:3] + b[3:] |
| self.assertRaises(TypeError, operator.is_) |
| self.assertTrue(operator.is_(a, b)) |
| self.assertFalse(operator.is_(a,c)) |
| |
| def test_is_not(self): |
| a = b = 'xyzpdq' |
| c = a[:3] + b[3:] |
| self.assertRaises(TypeError, operator.is_not) |
| self.assertFalse(operator.is_not(a, b)) |
| self.assertTrue(operator.is_not(a,c)) |
| |
| def test_attrgetter(self): |
| class A: |
| pass |
| a = A() |
| a.name = 'arthur' |
| f = operator.attrgetter('name') |
| self.assertEqual(f(a), 'arthur') |
| f = operator.attrgetter('rank') |
| self.assertRaises(AttributeError, f, a) |
| f = operator.attrgetter(2) |
| self.assertRaises(TypeError, f, a) |
| self.assertRaises(TypeError, operator.attrgetter) |
| |
| # multiple gets |
| record = A() |
| record.x = 'X' |
| record.y = 'Y' |
| record.z = 'Z' |
| self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y')) |
| self.assertRaises(TypeError, operator.attrgetter('x', (), 'y'), record) |
| |
| class C(object): |
| def __getattr__(self, name): |
| raise SyntaxError |
| self.assertRaises(SyntaxError, operator.attrgetter('foo'), C()) |
| |
| # recursive gets |
| a = A() |
| a.name = 'arthur' |
| a.child = A() |
| a.child.name = 'thomas' |
| f = operator.attrgetter('child.name') |
| self.assertEqual(f(a), 'thomas') |
| self.assertRaises(AttributeError, f, a.child) |
| f = operator.attrgetter('name', 'child.name') |
| self.assertEqual(f(a), ('arthur', 'thomas')) |
| f = operator.attrgetter('name', 'child.name', 'child.child.name') |
| self.assertRaises(AttributeError, f, a) |
| |
| a.child.child = A() |
| a.child.child.name = 'johnson' |
| f = operator.attrgetter('child.child.name') |
| self.assertEqual(f(a), 'johnson') |
| f = operator.attrgetter('name', 'child.name', 'child.child.name') |
| self.assertEqual(f(a), ('arthur', 'thomas', 'johnson')) |
| |
| def test_itemgetter(self): |
| a = 'ABCDE' |
| f = operator.itemgetter(2) |
| self.assertEqual(f(a), 'C') |
| f = operator.itemgetter(10) |
| self.assertRaises(IndexError, f, a) |
| |
| class C(object): |
| def __getitem__(self, name): |
| raise SyntaxError |
| self.assertRaises(SyntaxError, operator.itemgetter(42), C()) |
| |
| f = operator.itemgetter('name') |
| self.assertRaises(TypeError, f, a) |
| self.assertRaises(TypeError, operator.itemgetter) |
| |
| d = dict(key='val') |
| f = operator.itemgetter('key') |
| self.assertEqual(f(d), 'val') |
| f = operator.itemgetter('nonkey') |
| self.assertRaises(KeyError, f, d) |
| |
| # example used in the docs |
| inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)] |
| getcount = operator.itemgetter(1) |
| self.assertEqual(map(getcount, inventory), [3, 2, 5, 1]) |
| self.assertEqual(sorted(inventory, key=getcount), |
| [('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)]) |
| |
| # multiple gets |
| data = map(str, range(20)) |
| self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5')) |
| self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data) |
| |
| def test_methodcaller(self): |
| self.assertRaises(TypeError, operator.methodcaller) |
| class A: |
| def foo(self, *args, **kwds): |
| return args[0] + args[1] |
| def bar(self, f=42): |
| return f |
| a = A() |
| f = operator.methodcaller('foo') |
| self.assertRaises(IndexError, f, a) |
| f = operator.methodcaller('foo', 1, 2) |
| self.assertEqual(f(a), 3) |
| f = operator.methodcaller('bar') |
| self.assertEqual(f(a), 42) |
| self.assertRaises(TypeError, f, a, a) |
| f = operator.methodcaller('bar', f=5) |
| self.assertEqual(f(a), 5) |
| |
| def test_inplace(self): |
| class C(object): |
| def __iadd__ (self, other): return "iadd" |
| def __iand__ (self, other): return "iand" |
| def __idiv__ (self, other): return "idiv" |
| def __ifloordiv__(self, other): return "ifloordiv" |
| def __ilshift__ (self, other): return "ilshift" |
| def __imod__ (self, other): return "imod" |
| def __imul__ (self, other): return "imul" |
| def __ior__ (self, other): return "ior" |
| def __ipow__ (self, other): return "ipow" |
| def __irshift__ (self, other): return "irshift" |
| def __isub__ (self, other): return "isub" |
| def __itruediv__ (self, other): return "itruediv" |
| def __ixor__ (self, other): return "ixor" |
| def __getitem__(self, other): return 5 # so that C is a sequence |
| c = C() |
| self.assertEqual(operator.iadd (c, 5), "iadd") |
| self.assertEqual(operator.iand (c, 5), "iand") |
| self.assertEqual(operator.idiv (c, 5), "idiv") |
| self.assertEqual(operator.ifloordiv(c, 5), "ifloordiv") |
| self.assertEqual(operator.ilshift (c, 5), "ilshift") |
| self.assertEqual(operator.imod (c, 5), "imod") |
| self.assertEqual(operator.imul (c, 5), "imul") |
| self.assertEqual(operator.ior (c, 5), "ior") |
| self.assertEqual(operator.ipow (c, 5), "ipow") |
| self.assertEqual(operator.irshift (c, 5), "irshift") |
| self.assertEqual(operator.isub (c, 5), "isub") |
| self.assertEqual(operator.itruediv (c, 5), "itruediv") |
| self.assertEqual(operator.ixor (c, 5), "ixor") |
| self.assertEqual(operator.iconcat (c, c), "iadd") |
| self.assertEqual(operator.irepeat (c, 5), "imul") |
| self.assertEqual(operator.__iadd__ (c, 5), "iadd") |
| self.assertEqual(operator.__iand__ (c, 5), "iand") |
| self.assertEqual(operator.__idiv__ (c, 5), "idiv") |
| self.assertEqual(operator.__ifloordiv__(c, 5), "ifloordiv") |
| self.assertEqual(operator.__ilshift__ (c, 5), "ilshift") |
| self.assertEqual(operator.__imod__ (c, 5), "imod") |
| self.assertEqual(operator.__imul__ (c, 5), "imul") |
| self.assertEqual(operator.__ior__ (c, 5), "ior") |
| self.assertEqual(operator.__ipow__ (c, 5), "ipow") |
| self.assertEqual(operator.__irshift__ (c, 5), "irshift") |
| self.assertEqual(operator.__isub__ (c, 5), "isub") |
| self.assertEqual(operator.__itruediv__ (c, 5), "itruediv") |
| self.assertEqual(operator.__ixor__ (c, 5), "ixor") |
| self.assertEqual(operator.__iconcat__ (c, c), "iadd") |
| self.assertEqual(operator.__irepeat__ (c, 5), "imul") |
| |
| def test_main(verbose=None): |
| import sys |
| test_classes = ( |
| OperatorTestCase, |
| ) |
| |
| test_support.run_unittest(*test_classes) |
| |
| # verify reference counting |
| if verbose and hasattr(sys, "gettotalrefcount"): |
| import gc |
| counts = [None] * 5 |
| for i in xrange(len(counts)): |
| test_support.run_unittest(*test_classes) |
| gc.collect() |
| counts[i] = sys.gettotalrefcount() |
| print counts |
| |
| if __name__ == "__main__": |
| test_main(verbose=True) |
