def testWeakSet(self):
weak_set = WeakSet()
s1 = _Stub()
s2 = _Stub()
weak_set.add(s1)
assert isinstance(iter(weak_set).next(), _Stub)
assert s1 in weak_set
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
def testWeakSet(self):
weak_set = WeakSet()
s1 = _Stub()
s2 = _Stub()
weak_set.add(s1)
assert isinstance(iter(weak_set).next(), _Stub)
assert s1 in weak_set
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
def testFunction(self):
weak_set = WeakSet()
def function():
"Never called"
# Adding twice, having one.
weak_set.add(function)
weak_set.add(function)
self.CustomAssertEqual(len(weak_set), 1)
# Removing function
weak_set.remove(function)
assert len(weak_set) == 0
def testRemove(self):
weak_set = WeakSet()
s1 = _Stub()
self.CustomAssertEqual(len(weak_set), 0)
# Trying remove, raises KeyError
with pytest.raises(KeyError):
weak_set.remove(s1)
self.CustomAssertEqual(len(weak_set), 0)
# Trying discard, no exception raised
weak_set.discard(s1)
self.CustomAssertEqual(len(weak_set), 0)
def testWithError(self):
weak_set = WeakSet()
# Not WITH, everything ok
s1 = _Stub()
weak_set.add(s1.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
# Using WITH, s2 is not deleted from weak_set
s2 = _Stub()
with pytest.raises(KeyError):
raise KeyError("key")
self.CustomAssertEqual(len(weak_set), 0)
weak_set.add(s2.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s2
self.CustomAssertEqual(len(weak_set), 0)
def testWeakSet2(self):
weak_set = WeakSet()
# >>> Removing with DEL
s1 = _Stub()
weak_set.add(s1.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
# >>> Removing with REMOVE
s2 = _Stub()
weak_set.add(s2.Method)
self.CustomAssertEqual(len(weak_set), 1)
weak_set.remove(s2.Method)
self.CustomAssertEqual(len(weak_set), 0)
def testWeakSet2(self):
weak_set = WeakSet()
# >>> Removing with DEL
s1 = _Stub()
weak_set.add(s1.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
# >>> Removing with REMOVE
s2 = _Stub()
weak_set.add(s2.Method)
self.CustomAssertEqual(len(weak_set), 1)
weak_set.remove(s2.Method)
self.CustomAssertEqual(len(weak_set), 0)
def testFunction(self):
weak_set = WeakSet()
def function():
'Never called'
# Adding twice, having one.
weak_set.add(function)
weak_set.add(function)
self.CustomAssertEqual(len(weak_set), 1)
# Removing function
weak_set.remove(function)
assert len(weak_set) == 0
def testRemove(self):
weak_set = WeakSet()
s1 = _Stub()
self.CustomAssertEqual(len(weak_set), 0)
# Trying remove, raises KeyError
with pytest.raises(KeyError):
weak_set.remove(s1)
self.CustomAssertEqual(len(weak_set), 0)
# Trying discard, no exception raised
weak_set.discard(s1)
self.CustomAssertEqual(len(weak_set), 0)
def testWithError(self):
weak_set = WeakSet()
# Not WITH, everything ok
s1 = _Stub()
weak_set.add(s1.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s1
self.CustomAssertEqual(len(weak_set), 0)
# Using WITH, s2 is not deleted from weak_set
s2 = _Stub()
with pytest.raises(KeyError):
raise KeyError('key')
self.CustomAssertEqual(len(weak_set), 0)
weak_set.add(s2.Method)
self.CustomAssertEqual(len(weak_set), 1)
del s2
self.CustomAssertEqual(len(weak_set), 0)