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//usr/lib/python2.4/test/test_operator.py
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.failUnlessRaises(TypeError, operator.lt) self.failUnlessRaises(TypeError, operator.lt, 1j, 2j) self.failIf(operator.lt(1, 0)) self.failIf(operator.lt(1, 0.0)) self.failIf(operator.lt(1, 1)) self.failIf(operator.lt(1, 1.0)) self.failUnless(operator.lt(1, 2)) self.failUnless(operator.lt(1, 2.0)) def test_le(self): self.failUnlessRaises(TypeError, operator.le) self.failUnlessRaises(TypeError, operator.le, 1j, 2j) self.failIf(operator.le(1, 0)) self.failIf(operator.le(1, 0.0)) self.failUnless(operator.le(1, 1)) self.failUnless(operator.le(1, 1.0)) self.failUnless(operator.le(1, 2)) self.failUnless(operator.le(1, 2.0)) def test_eq(self): class C(object): def __eq__(self, other): raise SyntaxError self.failUnlessRaises(TypeError, operator.eq) self.failUnlessRaises(SyntaxError, operator.eq, C(), C()) self.failIf(operator.eq(1, 0)) self.failIf(operator.eq(1, 0.0)) self.failUnless(operator.eq(1, 1)) self.failUnless(operator.eq(1, 1.0)) self.failIf(operator.eq(1, 2)) self.failIf(operator.eq(1, 2.0)) def test_ne(self): class C(object): def __ne__(self, other): raise SyntaxError self.failUnlessRaises(TypeError, operator.ne) self.failUnlessRaises(SyntaxError, operator.ne, C(), C()) self.failUnless(operator.ne(1, 0)) self.failUnless(operator.ne(1, 0.0)) self.failIf(operator.ne(1, 1)) self.failIf(operator.ne(1, 1.0)) self.failUnless(operator.ne(1, 2)) self.failUnless(operator.ne(1, 2.0)) def test_ge(self): self.failUnlessRaises(TypeError, operator.ge) self.failUnlessRaises(TypeError, operator.ge, 1j, 2j) self.failUnless(operator.ge(1, 0)) self.failUnless(operator.ge(1, 0.0)) self.failUnless(operator.ge(1, 1)) self.failUnless(operator.ge(1, 1.0)) self.failIf(operator.ge(1, 2)) self.failIf(operator.ge(1, 2.0)) def test_gt(self): self.failUnlessRaises(TypeError, operator.gt) self.failUnlessRaises(TypeError, operator.gt, 1j, 2j) self.failUnless(operator.gt(1, 0)) self.failUnless(operator.gt(1, 0.0)) self.failIf(operator.gt(1, 1)) self.failIf(operator.gt(1, 1.0)) self.failIf(operator.gt(1, 2)) self.failIf(operator.gt(1, 2.0)) def test_abs(self): self.failUnlessRaises(TypeError, operator.abs) self.failUnlessRaises(TypeError, operator.abs, None) self.failUnless(operator.abs(-1) == 1) self.failUnless(operator.abs(1) == 1) def test_add(self): self.failUnlessRaises(TypeError, operator.add) self.failUnlessRaises(TypeError, operator.add, None, None) self.failUnless(operator.add(3, 4) == 7) def test_bitwise_and(self): self.failUnlessRaises(TypeError, operator.and_) self.failUnlessRaises(TypeError, operator.and_, None, None) self.failUnless(operator.and_(0xf, 0xa) == 0xa) def test_concat(self): self.failUnlessRaises(TypeError, operator.concat) self.failUnlessRaises(TypeError, operator.concat, None, None) self.failUnless(operator.concat('py', 'thon') == 'python') self.failUnless(operator.concat([1, 2], [3, 4]) == [1, 2, 3, 4]) self.failUnless(operator.concat(Seq1([5, 6]), Seq1([7])) == [5, 6, 7]) self.failUnless(operator.concat(Seq2([5, 6]), Seq2([7])) == [5, 6, 7]) self.failUnlessRaises(TypeError, operator.concat, 13, 29) def test_countOf(self): self.failUnlessRaises(TypeError, operator.countOf) self.failUnlessRaises(TypeError, operator.countOf, None, None) self.failUnless(operator.countOf([1, 2, 1, 3, 1, 4], 3) == 1) self.failUnless(operator.countOf([1, 2, 1, 3, 1, 4], 5) == 0) def test_delitem(self): a = [4, 3, 2, 1] self.failUnlessRaises(TypeError, operator.delitem, a) self.failUnlessRaises(TypeError, operator.delitem, a, None) self.failUnless(operator.delitem(a, 1) is None) self.assert_(a == [4, 2, 1]) def test_delslice(self): a = range(10) self.failUnlessRaises(TypeError, operator.delslice, a) self.failUnlessRaises(TypeError, operator.delslice, a, None, None) self.failUnless(operator.delslice(a, 2, 8) is None) self.assert_(a == [0, 1, 8, 9]) def test_div(self): self.failUnlessRaises(TypeError, operator.div, 5) self.failUnlessRaises(TypeError, operator.div, None, None) self.failUnless(operator.floordiv(5, 2) == 2) def test_floordiv(self): self.failUnlessRaises(TypeError, operator.floordiv, 5) self.failUnlessRaises(TypeError, operator.floordiv, None, None) self.failUnless(operator.floordiv(5, 2) == 2) def test_truediv(self): self.failUnlessRaises(TypeError, operator.truediv, 5) self.failUnlessRaises(TypeError, operator.truediv, None, None) self.failUnless(operator.truediv(5, 2) == 2.5) def test_getitem(self): a = range(10) self.failUnlessRaises(TypeError, operator.getitem) self.failUnlessRaises(TypeError, operator.getitem, a, None) self.failUnless(operator.getitem(a, 2) == 2) def test_getslice(self): a = range(10) self.failUnlessRaises(TypeError, operator.getslice) self.failUnlessRaises(TypeError, operator.getslice, a, None, None) self.failUnless(operator.getslice(a, 4, 6) == [4, 5]) def test_indexOf(self): self.failUnlessRaises(TypeError, operator.indexOf) self.failUnlessRaises(TypeError, operator.indexOf, None, None) self.failUnless(operator.indexOf([4, 3, 2, 1], 3) == 1) self.assertRaises(ValueError, operator.indexOf, [4, 3, 2, 1], 0) def test_invert(self): self.failUnlessRaises(TypeError, operator.invert) self.failUnlessRaises(TypeError, operator.invert, None) self.failUnless(operator.inv(4) == -5) def test_isCallable(self): self.failUnlessRaises(TypeError, operator.isCallable) class C: pass def check(self, o, v): self.assert_(operator.isCallable(o) == 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.failUnlessRaises(TypeError, operator.isMappingType) self.failIf(operator.isMappingType(1)) self.failIf(operator.isMappingType(operator.isMappingType)) self.failUnless(operator.isMappingType(operator.__dict__)) self.failUnless(operator.isMappingType({})) def test_isNumberType(self): self.failUnlessRaises(TypeError, operator.isNumberType) self.failUnless(operator.isNumberType(8)) self.failUnless(operator.isNumberType(8j)) self.failUnless(operator.isNumberType(8L)) self.failUnless(operator.isNumberType(8.3)) self.failIf(operator.isNumberType(dir())) def test_isSequenceType(self): self.failUnlessRaises(TypeError, operator.isSequenceType) self.failUnless(operator.isSequenceType(dir())) self.failUnless(operator.isSequenceType(())) self.failUnless(operator.isSequenceType(xrange(10))) self.failUnless(operator.isSequenceType('yeahbuddy')) self.failIf(operator.isSequenceType(3)) def test_lshift(self): self.failUnlessRaises(TypeError, operator.lshift) self.failUnlessRaises(TypeError, operator.lshift, None, 42) self.failUnless(operator.lshift(5, 1) == 10) self.failUnless(operator.lshift(5, 0) == 5) self.assertRaises(ValueError, operator.lshift, 2, -1) def test_mod(self): self.failUnlessRaises(TypeError, operator.mod) self.failUnlessRaises(TypeError, operator.mod, None, 42) self.failUnless(operator.mod(5, 2) == 1) def test_mul(self): self.failUnlessRaises(TypeError, operator.mul) self.failUnlessRaises(TypeError, operator.mul, None, None) self.failUnless(operator.mul(5, 2) == 10) def test_neg(self): self.failUnlessRaises(TypeError, operator.neg) self.failUnlessRaises(TypeError, operator.neg, None) self.failUnless(operator.neg(5) == -5) self.failUnless(operator.neg(-5) == 5) self.failUnless(operator.neg(0) == 0) self.failUnless(operator.neg(-0) == 0) def test_bitwise_or(self): self.failUnlessRaises(TypeError, operator.or_) self.failUnlessRaises(TypeError, operator.or_, None, None) self.failUnless(operator.or_(0xa, 0x5) == 0xf) def test_pos(self): self.failUnlessRaises(TypeError, operator.pos) self.failUnlessRaises(TypeError, operator.pos, None) self.failUnless(operator.pos(5) == 5) self.failUnless(operator.pos(-5) == -5) self.failUnless(operator.pos(0) == 0) self.failUnless(operator.pos(-0) == 0) def test_pow(self): self.failUnlessRaises(TypeError, operator.pow) self.failUnlessRaises(TypeError, operator.pow, None, None) self.failUnless(operator.pow(3,5) == 3**5) self.failUnless(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.failUnlessRaises(TypeError, operator.repeat) self.failUnlessRaises(TypeError, operator.repeat, a, None) self.failUnless(operator.repeat(a, 2) == a+a) self.failUnless(operator.repeat(a, 1) == a) self.failUnless(operator.repeat(a, 0) == []) a = (1, 2, 3) self.failUnless(operator.repeat(a, 2) == a+a) self.failUnless(operator.repeat(a, 1) == a) self.failUnless(operator.repeat(a, 0) == ()) a = '123' self.failUnless(operator.repeat(a, 2) == a+a) self.failUnless(operator.repeat(a, 1) == a) self.failUnless(operator.repeat(a, 0) == '') a = Seq1([4, 5, 6]) self.failUnless(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) self.failUnless(operator.repeat(a, 1) == [4, 5, 6]) self.failUnless(operator.repeat(a, 0) == []) a = Seq2([4, 5, 6]) self.failUnless(operator.repeat(a, 2) == [4, 5, 6, 4, 5, 6]) self.failUnless(operator.repeat(a, 1) == [4, 5, 6]) self.failUnless(operator.repeat(a, 0) == []) self.failUnlessRaises(TypeError, operator.repeat, 6, 7) def test_rshift(self): self.failUnlessRaises(TypeError, operator.rshift) self.failUnlessRaises(TypeError, operator.rshift, None, 42) self.failUnless(operator.rshift(5, 1) == 2) self.failUnless(operator.rshift(5, 0) == 5) self.assertRaises(ValueError, operator.rshift, 2, -1) def test_contains(self): self.failUnlessRaises(TypeError, operator.contains) self.failUnlessRaises(TypeError, operator.contains, None, None) self.failUnless(operator.contains(range(4), 2)) self.failIf(operator.contains(range(4), 5)) self.failUnless(operator.sequenceIncludes(range(4), 2)) self.failIf(operator.sequenceIncludes(range(4), 5)) def test_setitem(self): a = range(3) self.failUnlessRaises(TypeError, operator.setitem, a) self.failUnlessRaises(TypeError, operator.setitem, a, None, None) self.failUnless(operator.setitem(a, 0, 2) is None) self.assert_(a == [2, 1, 2]) self.assertRaises(IndexError, operator.setitem, a, 4, 2) def test_setslice(self): a = range(4) self.failUnlessRaises(TypeError, operator.setslice, a) self.failUnlessRaises(TypeError, operator.setslice, a, None, None, None) self.failUnless(operator.setslice(a, 1, 3, [2, 1]) is None) self.assert_(a == [0, 2, 1, 3]) def test_sub(self): self.failUnlessRaises(TypeError, operator.sub) self.failUnlessRaises(TypeError, operator.sub, None, None) self.failUnless(operator.sub(5, 2) == 3) def test_truth(self): class C(object): def __nonzero__(self): raise SyntaxError self.failUnlessRaises(TypeError, operator.truth) self.failUnlessRaises(SyntaxError, operator.truth, C()) self.failUnless(operator.truth(5)) self.failUnless(operator.truth([0])) self.failIf(operator.truth(0)) self.failIf(operator.truth([])) def test_bitwise_xor(self): self.failUnlessRaises(TypeError, operator.xor) self.failUnlessRaises(TypeError, operator.xor, None, None) self.failUnless(operator.xor(0xb, 0xc) == 0x7) def test_is(self): a = b = 'xyzpdq' c = a[:3] + b[3:] self.failUnlessRaises(TypeError, operator.is_) self.failUnless(operator.is_(a, b)) self.failIf(operator.is_(a,c)) def test_is_not(self): a = b = 'xyzpdq' c = a[:3] + b[3:] self.failUnlessRaises(TypeError, operator.is_not) self.failIf(operator.is_not(a, b)) self.failUnless(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) self.assertRaises(TypeError, operator.attrgetter, 1, 2) class C(object): def __getattr(self, name): raise SyntaxError self.failUnlessRaises(AttributeError, operator.attrgetter('foo'), C()) 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.failUnlessRaises(TypeError, operator.itemgetter(42), C()) f = operator.itemgetter('name') self.assertRaises(TypeError, f, a) self.assertRaises(TypeError, operator.itemgetter) self.assertRaises(TypeError, operator.itemgetter, 1, 2) 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)]) def test_main(): test_support.run_unittest(OperatorTestCase) if __name__ == "__main__": test_main()