def test_delitem_many(self):
pd = PersistentDict()
for i in xrange(25):
pd = pd.setitem(i, i)
with pytest.raises(KeyError):
pd.delitem(26)
for i in xrange(25):
pd = pd.delitem(i)
for i in xrange(25):
assert i not in pd
def test_delitem_many(self):
pd = PersistentDict()
for i in range(25):
pd = pd.setitem(i, i)
with pytest.raises(KeyError):
pd.delitem(26)
for i in range(25):
pd = pd.delitem(i)
for i in range(25):
assert i not in pd
def test_none_key(self):
pd = PersistentDict()
with pytest.raises(KeyError):
pd.getitem(None)
pd = pd.setitem(None, 3)
assert pd.getitem(None) == 3
pd = pd.setitem(None, 3)
assert pd.getitem(None) == 3
pd = pd.delitem(None)
with pytest.raises(KeyError):
pd.delitem(None)
def test_none_key(self):
pd = PersistentDict()
with pytest.raises(KeyError):
pd.getitem(None)
pd = pd.setitem(None, 3)
assert pd.getitem(None) == 3
pd = pd.setitem(None, 3)
assert pd.getitem(None) == 3
pd = pd.delitem(None)
with pytest.raises(KeyError):
pd.delitem(None)
def test_delitem(self):
pd = PersistentDict()
with pytest.raises(KeyError):
pd.delitem("abc")
pd = pd.setitem("abc", 3)
pd = pd.delitem("abc")
assert "abc" not in pd
pd = PersistentDict().setitem(HashKey(0, "a"), 3).setitem(HashKey(0, "b"), 4)
pd = pd.delitem(HashKey(0, "a")).delitem(HashKey(0, "b"))
assert HashKey(0, "a") not in pd
assert HashKey(0, "b") not in pd
pd = PersistentDict().setitem("a", 1).setitem("b", 3).delitem("a")
assert "a" not in pd
assert "b" in pd
def test_delitem(self):
pd = PersistentDict()
with pytest.raises(KeyError):
pd.delitem("abc")
pd = pd.setitem("abc", 3)
pd = pd.delitem("abc")
assert "abc" not in pd
pd = PersistentDict().setitem(HashKey(0, "a"),
3).setitem(HashKey(0, "b"), 4)
pd = pd.delitem(HashKey(0, "a")).delitem(HashKey(0, "b"))
assert HashKey(0, "a") not in pd
assert HashKey(0, "b") not in pd
pd = PersistentDict().setitem("a", 1).setitem("b", 3).delitem("a")
assert "a" not in pd
assert "b" in pd
def test_setitem_many_collision(self):
pd = PersistentDict()
for i in xrange(25):
pd = pd.setitem(HashKey(0, i), i)
for i in xrange(25):
assert HashKey(0, i) in pd
for i in xrange(25):
pd = pd.delitem(HashKey(0, i))
assert len(pd) == 0
def test_setitem_many_collision(self):
pd = PersistentDict()
for i in range(25):
pd = pd.setitem(HashKey(0, i), i)
for i in range(25):
assert HashKey(0, i) in pd
for i in range(25):
pd = pd.delitem(HashKey(0, i))
assert len(pd) == 0
def test_delitem_hash_window_collision(self):
pd = PersistentDict().setitem(HashKey(0x17, "a"), 2)
with pytest.raises(KeyError):
pd.delitem(HashKey(0x37, "b"))
def test_delitem_hash_window_collision(self):
pd = PersistentDict().setitem(HashKey(0x17, "a"), 2)
with pytest.raises(KeyError):
pd.delitem(HashKey(0x37, "b"))