Author: Manuel Jacob
Branch: py3k
Changeset: r61359:1ae411871353
Date: 2013-02-16 17:23 +0100
http://bitbucket.org/pypy/pypy/changeset/1ae411871353/
Log: Prevent functools.reduce from binding to TestReduce class.
diff --git a/lib-python/3.2/test/test_functools.py
b/lib-python/3.2/test/test_functools.py
--- a/lib-python/3.2/test/test_functools.py
+++ b/lib-python/3.2/test/test_functools.py
@@ -356,8 +356,6 @@
self.assertEqual(wrapper.dict_attr, f.dict_attr)
class TestReduce(unittest.TestCase):
- func = functools.reduce
-
def test_reduce(self):
class Squares:
def __init__(self, max):
@@ -374,44 +372,45 @@
self.sofar.append(n*n)
n += 1
return self.sofar[i]
+ reduce = functools.reduce
def add(x, y):
return x + y
- self.assertEqual(self.func(add, ['a', 'b', 'c'], ''), 'abc')
+ self.assertEqual(reduce(add, ['a', 'b', 'c'], ''), 'abc')
self.assertEqual(
- self.func(add, [['a', 'c'], [], ['d', 'w']], []),
+ reduce(add, [['a', 'c'], [], ['d', 'w']], []),
['a','c','d','w']
)
- self.assertEqual(self.func(lambda x, y: x*y, range(2,8), 1), 5040)
+ self.assertEqual(reduce(lambda x, y: x*y, range(2,8), 1), 5040)
self.assertEqual(
- self.func(lambda x, y: x*y, range(2,21), 1),
+ reduce(lambda x, y: x*y, range(2,21), 1),
2432902008176640000
)
- self.assertEqual(self.func(add, Squares(10)), 285)
- self.assertEqual(self.func(add, Squares(10), 0), 285)
- self.assertEqual(self.func(add, Squares(0), 0), 0)
- self.assertRaises(TypeError, self.func)
- self.assertRaises(TypeError, self.func, 42, 42)
- self.assertRaises(TypeError, self.func, 42, 42, 42)
- self.assertEqual(self.func(42, "1"), "1") # func is never called with
one item
- self.assertEqual(self.func(42, "", "1"), "1") # func is never called
with one item
- self.assertRaises(TypeError, self.func, 42, (42, 42))
- self.assertRaises(TypeError, self.func, add, []) # arg 2 must not be
empty sequence with no initial value
- self.assertRaises(TypeError, self.func, add, "")
- self.assertRaises(TypeError, self.func, add, ())
- self.assertRaises(TypeError, self.func, add, object())
+ 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, 42)
+ self.assertRaises(TypeError, reduce, 42, 42, 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.assertRaises(TypeError, reduce, add, object())
class TestFailingIter:
def __iter__(self):
raise RuntimeError
- self.assertRaises(RuntimeError, self.func, add, TestFailingIter())
+ self.assertRaises(RuntimeError, reduce, add, TestFailingIter())
- self.assertEqual(self.func(add, [], None), None)
- self.assertEqual(self.func(add, [], 42), 42)
+ self.assertEqual(reduce(add, [], None), None)
+ self.assertEqual(reduce(add, [], 42), 42)
class BadSeq:
def __getitem__(self, index):
raise ValueError
- self.assertRaises(ValueError, self.func, 42, BadSeq())
+ self.assertRaises(ValueError, reduce, 42, BadSeq())
# Test reduce()'s use of iterators.
def test_iterator_usage(self):
@@ -424,16 +423,17 @@
else:
raise IndexError
+ reduce = functools.reduce
from operator import add
- self.assertEqual(self.func(add, SequenceClass(5)), 10)
- self.assertEqual(self.func(add, SequenceClass(5), 42), 52)
- self.assertRaises(TypeError, self.func, add, SequenceClass(0))
- self.assertEqual(self.func(add, SequenceClass(0), 42), 42)
- self.assertEqual(self.func(add, SequenceClass(1)), 0)
- self.assertEqual(self.func(add, SequenceClass(1), 42), 42)
+ self.assertEqual(reduce(add, SequenceClass(5)), 10)
+ self.assertEqual(reduce(add, SequenceClass(5), 42), 52)
+ self.assertRaises(TypeError, reduce, add, SequenceClass(0))
+ self.assertEqual(reduce(add, SequenceClass(0), 42), 42)
+ self.assertEqual(reduce(add, SequenceClass(1)), 0)
+ self.assertEqual(reduce(add, SequenceClass(1), 42), 42)
d = {"one": 1, "two": 2, "three": 3}
- self.assertEqual(self.func(add, d), "".join(d.keys()))
+ self.assertEqual(reduce(add, d), "".join(d.keys()))
class TestCmpToKey(unittest.TestCase):
def test_cmp_to_key(self):
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