def test_refcounts(self):
SENTINEL = object()
DUMMY = b"dummy"
KEY = b"fwLiDZKV7IlVByM5bVDNkg"
VALUE = "PVILgNVNkCfMkQup5vkGSQ"
class MyClient(_pylibmc.client):
"""Always serialize and deserialize to the same constants."""
def serialize(self, value):
return DUMMY, 1
def deserialize(self, bytes_, flags):
return SENTINEL
refcountables = [1, long_(1), SENTINEL, DUMMY, KEY, VALUE]
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
c.set(KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
assert c.get(KEY) is SENTINEL
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi([KEY]), {KEY: SENTINEL})
eq_(get_refcounts(refcountables), initial_refcounts)
c.set_multi({KEY: True})
eq_(get_refcounts(refcountables), initial_refcounts)
def test_refcounts(self):
SENTINEL = object()
DUMMY = b"dummy"
KEY = b"fwLiDZKV7IlVByM5bVDNkg"
VALUE = "PVILgNVNkCfMkQup5vkGSQ"
class MyClient(_pylibmc.client):
"""Always serialize and deserialize to the same constants."""
def serialize(self, value):
return DUMMY, 1
def deserialize(self, bytes_, flags):
return SENTINEL
refcountables = [1, long_(1), SENTINEL, DUMMY, KEY, VALUE]
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
c.set(KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
assert c.get(KEY) is SENTINEL
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi([KEY]), {KEY: SENTINEL})
eq_(get_refcounts(refcountables), initial_refcounts)
c.set_multi({KEY: True})
eq_(get_refcounts(refcountables), initial_refcounts)
def _test_get(self, key, val):
bc = make_test_client(binary=True)
refcountables = [key, val]
initial_refcounts = get_refcounts(refcountables)
bc.set(key, val)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get(key), val)
eq_(get_refcounts(refcountables), initial_refcounts)
def _test_get(self, key, val):
bc = make_test_client(binary=True)
refcountables = [key, val]
initial_refcounts = get_refcounts(refcountables)
bc.set(key, val)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get(key), val)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_multi(self):
bc = make_test_client(binary=True)
keys = ["first", "second", "", b""]
value = "first_value"
refcountables = keys + [value]
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], value)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get_multi(keys), {keys[0]: value})
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_multi(self):
bc = make_test_client(binary=True)
keys = ["first", "second", "", b""]
value = "first_value"
refcountables = keys + [value]
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], value)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get_multi(keys), {keys[0]: value})
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_multi_bytes_and_unicode(self):
bc = make_test_client(binary=True)
keys = ["third", b"fourth"]
value = "another_value"
kv = dict((k, value) for k in keys)
refcountables = [keys] + [value]
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(kv)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get_multi(keys)[keys[0]], value)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_multi_bytes_and_unicode(self):
bc = make_test_client(binary=True)
keys = ["third", b"fourth"]
value = "another_value"
kv = dict((k, value) for k in keys)
refcountables = [keys] + [value]
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(kv)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(bc.get_multi(keys)[keys[0]], value)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_invalid_key(self):
bc = make_test_client(binary=True)
key = object()
initial_refcount = get_refcounts([key])
raised = False
try:
bc.get(key)
except TypeError:
raised = True
assert raised
eq_(get_refcounts([key]), initial_refcount)
def test_incr(self):
bc = make_test_client(binary=True)
keys = [b"increment_key", "increment_key_again"]
refcountables = keys
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], 1)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.incr(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set(keys[1], 5)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.incr(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
def test_incr(self):
bc = make_test_client(binary=True)
keys = [b"increment_key", "increment_key_again"]
refcountables = keys
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], 1)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.incr(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set(keys[1], 5)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.incr(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
def test_cas(self):
k = "testkey"
val = 1138478589238
mc = make_test_client(binary=False, behaviors={'cas': True})
refcountables = [k, val]
initial_refcounts = get_refcounts(refcountables)
ok_(mc.set(k, 0))
eq_(get_refcounts(refcountables), initial_refcounts)
while True:
rv, cas = mc.gets(k)
eq_(get_refcounts(refcountables), initial_refcounts)
ok_(mc.cas(k, rv + 1, cas))
eq_(get_refcounts(refcountables), initial_refcounts)
if rv == 10:
break
def test_cas(self):
k = "testkey"
val = 1138478589238
mc = make_test_client(binary=False, behaviors={'cas': True})
refcountables = [k, val]
initial_refcounts = get_refcounts(refcountables)
ok_(mc.set(k, 0))
eq_(get_refcounts(refcountables), initial_refcounts)
while True:
rv, cas = mc.gets(k)
eq_(get_refcounts(refcountables), initial_refcounts)
ok_(mc.cas(k, rv + 1, cas))
eq_(get_refcounts(refcountables), initial_refcounts)
if rv == 10:
break
def test_invalid_flags_returned(self):
# test that nothing bad (memory leaks, segfaults) happens
# when subclasses implement `deserialize` incorrectly
DUMMY = b"dummy"
BAD_FLAGS = object()
KEY = 'foo'
VALUE = object()
refcountables = [KEY, DUMMY, VALUE, BAD_FLAGS]
class MyClient(pylibmc.Client):
def serialize(self, value):
return DUMMY, BAD_FLAGS
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
self._assert_set_raises(c, KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_invalid_flags_returned(self):
# test that nothing bad (memory leaks, segfaults) happens
# when subclasses implement `deserialize` incorrectly
DUMMY = b"dummy"
BAD_FLAGS = object()
KEY = 'foo'
VALUE = object()
refcountables = [KEY, DUMMY, VALUE, BAD_FLAGS]
class MyClient(pylibmc.Client):
def serialize(self, value):
return DUMMY, BAD_FLAGS
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
self._assert_set_raises(c, KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_override_deserialize(self):
class MyClient(pylibmc.Client):
ignored = []
def deserialize(self, bytes_, flags):
try:
return super(MyClient, self).deserialize(bytes_, flags)
except Exception as error:
self.ignored.append(error)
raise pylibmc.CacheMiss
global MyObject # Needed by the pickling system.
class MyObject(object):
def __getstate__(self):
return dict(a=1)
def __eq__(self, other):
return type(other) is type(self)
def __setstate__(self, d):
assert d['a'] == 1
c = make_test_client(MyClient, behaviors={'cas': True})
eq_(c.get('notathing'), None)
refcountables = ['foo', 'myobj', 'noneobj', 'myobj2', 'cachemiss']
initial_refcounts = get_refcounts(refcountables)
c['foo'] = 'foo'
c['myobj'] = MyObject()
c['noneobj'] = None
c['myobj2'] = MyObject()
# Show that everything is initially regular.
eq_(c.get('myobj'), MyObject())
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi(['foo', 'myobj', 'noneobj', 'cachemiss']),
dict(foo='foo', myobj=MyObject(), noneobj=None))
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.gets('myobj2')[0], MyObject())
eq_(get_refcounts(refcountables), initial_refcounts)
# Show that the subclass can transform unpickling issues into a cache miss.
del MyObject # Break unpickling
eq_(c.get('myobj'), None)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi(['foo', 'myobj', 'noneobj', 'cachemiss']),
dict(foo='foo', noneobj=None))
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.gets('myobj2'), (None, None))
eq_(get_refcounts(refcountables), initial_refcounts)
# The ignored errors are "AttributeError: test.test_client has no MyObject"
eq_(len(MyClient.ignored), 3)
assert all(
isinstance(error, AttributeError) for error in MyClient.ignored)
def test_override_deserialize(self):
class MyClient(pylibmc.Client):
ignored = []
def deserialize(self, bytes_, flags):
try:
return super(MyClient, self).deserialize(bytes_, flags)
except Exception as error:
self.ignored.append(error)
raise pylibmc.CacheMiss
global MyObject # Needed by the pickling system.
class MyObject(object):
def __getstate__(self):
return dict(a=1)
def __eq__(self, other):
return type(other) is type(self)
def __setstate__(self, d):
assert d["a"] == 1
c = make_test_client(MyClient, behaviors={"cas": True})
eq_(c.get("notathing"), None)
refcountables = ["foo", "myobj", "noneobj", "myobj2", "cachemiss"]
initial_refcounts = get_refcounts(refcountables)
c["foo"] = "foo"
c["myobj"] = MyObject()
c["noneobj"] = None
c["myobj2"] = MyObject()
# Show that everything is initially regular.
eq_(c.get("myobj"), MyObject())
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi(["foo", "myobj", "noneobj", "cachemiss"]), dict(foo="foo", myobj=MyObject(), noneobj=None))
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.gets("myobj2")[0], MyObject())
eq_(get_refcounts(refcountables), initial_refcounts)
# Show that the subclass can transform unpickling issues into a cache miss.
del MyObject # Break unpickling
eq_(c.get("myobj"), None)
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.get_multi(["foo", "myobj", "noneobj", "cachemiss"]), dict(foo="foo", noneobj=None))
eq_(get_refcounts(refcountables), initial_refcounts)
eq_(c.gets("myobj2"), (None, None))
eq_(get_refcounts(refcountables), initial_refcounts)
# The ignored errors are "AttributeError: test.test_client has no MyObject"
eq_(len(MyClient.ignored), 3)
assert all(isinstance(error, AttributeError) for error in MyClient.ignored)
def test_invalid_flags_returned_2(self):
DUMMY = "ab"
KEY = "key"
VALUE = 123456
refcountables = [DUMMY, KEY, VALUE]
class MyClient(pylibmc.Client):
def serialize(self, value):
return DUMMY
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
self._assert_set_raises(c, KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
try:
c.set_multi({KEY: DUMMY})
except ValueError:
raised = True
assert raised
eq_(get_refcounts(refcountables), initial_refcounts)
def test_invalid_flags_returned_2(self):
DUMMY = "ab"
KEY = "key"
VALUE = 123456
refcountables = [DUMMY, KEY, VALUE]
class MyClient(pylibmc.Client):
def serialize(self, value):
return DUMMY
c = make_test_client(MyClient)
initial_refcounts = get_refcounts(refcountables)
self._assert_set_raises(c, KEY, VALUE)
eq_(get_refcounts(refcountables), initial_refcounts)
try:
c.set_multi({KEY: DUMMY})
except ValueError:
raised = True
assert raised
eq_(get_refcounts(refcountables), initial_refcounts)
def test_prefixes(self):
bc = make_test_client(binary=True)
keys = ["prefixone", b"prefixtwo"]
prefix = "testprefix-"
values = [b"valone", "valtwo"]
refcountables = keys + values + [prefix]
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(dict(zip(keys, values)), key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.get_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[0]], key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[1]], key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set_multi(dict(zip(keys, values)), key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_prefixes(self):
bc = make_test_client(binary=True)
keys = ["prefixone", b"prefixtwo"]
prefix = "testprefix-"
values = [b"valone", "valtwo"]
refcountables = keys + values + [prefix]
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(dict(zip(keys, values)), key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.get_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[0]], key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[1]], key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set_multi(dict(zip(keys, values)), key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys, key_prefix=prefix)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_set_and_delete_multi(self):
bc = make_test_client(binary=True)
keys = ["delone", b"deltwo", "delthree", "delfour"]
values = [b"valone", "valtwo", object(), 2]
refcountables = keys + values
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(dict(zip(keys, values)))
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[0]])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[1]])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set_multi(dict(zip(keys, values)))
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_delete(self):
bc = make_test_client(binary=True)
keys = ["delone", b"deltwo"]
values = [b"valone", "valtwo"]
refcountables = keys + values
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], values[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set(keys[1], values[1])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
def test_delete(self):
bc = make_test_client(binary=True)
keys = ["delone", b"deltwo"]
values = [b"valone", "valtwo"]
refcountables = keys + values
initial_refcounts = get_refcounts(refcountables)
bc.set(keys[0], values[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set(keys[1], values[1])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[0])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(keys[1])
eq_(get_refcounts(refcountables), initial_refcounts)
def test_set_and_delete_multi(self):
bc = make_test_client(binary=True)
keys = ["delone", b"deltwo", "delthree", "delfour"]
values = [b"valone", "valtwo", object(), 2]
refcountables = keys + values
initial_refcounts = get_refcounts(refcountables)
bc.set_multi(dict(zip(keys, values)))
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[0]])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi([keys[1]])
eq_(get_refcounts(refcountables), initial_refcounts)
bc.set_multi(dict(zip(keys, values)))
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys)
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete_multi(keys)
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_with_default(self):
bc = make_test_client(binary=True)
key = b'refcountest4'
val = 'some_value'
default = object()
refcountables = [key, val, default]
initial_refcounts = get_refcounts(refcountables)
bc.set(key, val)
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key) == val
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key, default) == val
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(key)
assert bc.get(key) is None
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key, default) is default
eq_(get_refcounts(refcountables), initial_refcounts)
def test_get_with_default(self):
bc = make_test_client(binary=True)
key = b'refcountest4'
val = 'some_value'
default = object()
refcountables = [key, val, default]
initial_refcounts = get_refcounts(refcountables)
bc.set(key, val)
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key) == val
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key, default) == val
eq_(get_refcounts(refcountables), initial_refcounts)
bc.delete(key)
assert bc.get(key) is None
eq_(get_refcounts(refcountables), initial_refcounts)
assert bc.get(key, default) is default
eq_(get_refcounts(refcountables), initial_refcounts)
