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from __future__ import print_function
from unittest import TestCase
import six
from memcache import Client, SERVER_MAX_KEY_LENGTH
try:
_str_cls = basestring
except NameError:
_str_cls = str
def to_s(val):
if not isinstance(val, _str_cls):
return "%s (%s)" % (val, type(val))
return "%s" % val
class FooStruct(object):
def __init__(self):
self.bar = "baz"
def __str__(self):
return "A FooStruct"
def __eq__(self, other):
if isinstance(other, FooStruct):
return self.bar == other.bar
return 0
class TestMemcache(TestCase):
def setUp(self):
# TODO: unix socket server stuff
servers = ["127.0.0.1:11211"]
self.mc = Client(servers, debug=1)
pass
def check_setget(self, key, val, noreply=False):
self.mc.set(key, val, noreply=noreply)
newval = self.mc.get(key)
self.assertEqual(newval, val)
def test_setget(self):
self.check_setget("a_string", "some random string")
self.check_setget("a_string_2", "some random string", noreply=True)
self.check_setget("an_integer", 42)
self.check_setget("an_integer_2", 42, noreply=True)
def test_delete(self):
self.check_setget("long", int(1 << 30))
result = self.mc.delete("long")
self.assertEqual(result, True)
self.assertEqual(self.mc.get("long"), None)
def test_get_multi(self):
self.check_setget("gm_a_string", "some random string")
self.check_setget("gm_an_integer", 42)
self.assertEqual(
self.mc.get_multi(["gm_a_string", "gm_an_integer"]),
{"gm_an_integer": 42, "gm_a_string": "some random string"})
def test_get_unknown_value(self):
self.assertEqual(self.mc.get("unknown_value"), None)
def test_setget_foostruct(self):
f = FooStruct()
self.check_setget("foostruct", f)
self.check_setget("foostruct_2", f, noreply=True)
def test_incr(self):
self.check_setget("i_an_integer", 42)
self.assertEqual(self.mc.incr("i_an_integer", 1), 43)
def test_incr_noreply(self):
self.check_setget("i_an_integer_2", 42)
self.assertEqual(self.mc.incr("i_an_integer_2", 1, noreply=True), None)
self.assertEqual(self.mc.get("i_an_integer_2"), 43)
def test_decr(self):
self.check_setget("i_an_integer", 42)
self.assertEqual(self.mc.decr("i_an_integer", 1), 41)
def test_decr_noreply(self):
self.check_setget("i_an_integer_2", 42)
self.assertEqual(self.mc.decr("i_an_integer_2", 1, noreply=True), None)
self.assertEqual(self.mc.get("i_an_integer_2"), 41)
def test_sending_spaces(self):
try:
self.mc.set("this has spaces", 1)
except Client.MemcachedKeyCharacterError as err:
self.assertTrue("characters not allowed" in err.args[0])
else:
self.fail(
"Expected Client.MemcachedKeyCharacterError, nothing raised")
def test_sending_control_characters(self):
try:
self.mc.set("this\x10has\x11control characters\x02", 1)
except Client.MemcachedKeyCharacterError as err:
self.assertTrue("characters not allowed" in err.args[0])
else:
self.fail(
"Expected Client.MemcachedKeyCharacterError, nothing raised")
def test_sending_key_too_long(self):
try:
self.mc.set('a' * SERVER_MAX_KEY_LENGTH + 'a', 1)
except Client.MemcachedKeyLengthError as err:
self.assertTrue("length is >" in err.args[0])
else:
self.fail(
"Expected Client.MemcachedKeyLengthError, nothing raised")
# These should work.
self.mc.set('a' * SERVER_MAX_KEY_LENGTH, 1)
self.mc.set('a' * SERVER_MAX_KEY_LENGTH, 1, noreply=True)
def test_setget_boolean(self):
"""GitHub issue #75. Set/get with boolean values."""
self.check_setget("bool", True)
if __name__ == "__main__":
# failures = 0
# print("Testing docstrings...")
# _doctest()
# print("Running tests:")
# print()
# serverList = [["127.0.0.1:11211"]]
# if '--do-unix' in sys.argv:
# serverList.append([os.path.join(os.getcwd(), 'memcached.socket')])
# for servers in serverList:
# mc = Client(servers, debug=1)
if False:
print("Testing sending a unicode-string key...", end=" ")
try:
x = mc.set(six.u('keyhere'), 1)
except Client.MemcachedStringEncodingError as msg:
print("OK", end=" ")
else:
print("FAIL", end=" ")
failures += 1
try:
x = mc.set((six.u('a')*SERVER_MAX_KEY_LENGTH).encode('utf-8'), 1)
except Client.MemcachedKeyError:
print("FAIL", end=" ")
failures += 1
else:
print("OK", end=" ")
s = pickle.loads('V\\u4f1a\np0\n.')
try:
x = mc.set((s * SERVER_MAX_KEY_LENGTH).encode('utf-8'), 1)
except Client.MemcachedKeyLengthError:
print("OK")
else:
print("FAIL")
failures += 1
print("Testing using a value larger than the memcached value limit...")
print('NOTE: "MemCached: while expecting[...]" is normal...')
x = mc.set('keyhere', 'a'*SERVER_MAX_VALUE_LENGTH)
if mc.get('keyhere') is None:
print("OK", end=" ")
else:
print("FAIL", end=" ")
failures += 1
x = mc.set('keyhere', 'a'*SERVER_MAX_VALUE_LENGTH + 'aaa')
if mc.get('keyhere') is None:
print("OK")
else:
print("FAIL")
failures += 1
print("Testing set_multi() with no memcacheds running", end=" ")
mc.disconnect_all()
errors = mc.set_multi({'keyhere': 'a', 'keythere': 'b'})
if errors != []:
print("FAIL")
failures += 1
else:
print("OK")
print("Testing delete_multi() with no memcacheds running", end=" ")
mc.disconnect_all()
ret = mc.delete_multi({'keyhere': 'a', 'keythere': 'b'})
if ret != 1:
print("FAIL")
failures += 1
else:
print("OK")
if failures > 0:
print('*** THERE WERE FAILED TESTS')
sys.exit(1)
sys.exit(0)
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