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The Python dictionary-based mock memcached client library.

Project Description

The Python dictionary-based mock memcached client library. It does not connect to any memcached server, but keeps a dictionary and stores every cache into there internally. It is a just emulated API of memcached client only for tests. It implements expiration also. NOT THREAD-SAFE.

try:
    import memcache
except ImportError:
    import warnings
    import mockcache as memcache
    warnings.warn("imported mockcache instead of memcache; cannot find "
                  "memcache module")

mc = memcache.Client(["127.0.0.1:11211"])

This module and other memcached client libraries have the same behavior.

>>> from mockcache import Client
>>> mc = Client()
>>> mc
<mockcache.Client {}>
>>> mc.get("a")
>>> mc.get("a") is None
True
>>> mc.set("a", "1234")
1
>>> mc.get("a")
'1234'
>>> mc
<mockcache.Client {'a': ('1234', None)}>
>>> mc.add("a", "1111")
0
>>> mc.get("a")
'1234'
>>> mc
<mockcache.Client {'a': ('1234', None)}>
>>> mc.replace("a", "2222")
1
>>> mc.get("a")
'2222'
>>> mc
<mockcache.Client {'a': ('2222', None)}>
>>> mc.append("a", "3")
1
>>> mc.get("a")
'22223'
>>> mc
<mockcache.Client {'a': ('22223', None)}>
>>> mc.prepend("a", "1")
1
>>> mc.get("a")
'122223'
>>> mc
<mockcache.Client {'a': ('122223', None)}>
>>> mc.incr("a")
122224
>>> mc.get("a")
122224
>>> mc
<mockcache.Client {'a': (122224, None)}>
>>> mc.incr("a", 10)
122234
>>> mc.get("a")
122234
>>> mc
<mockcache.Client {'a': (122234, None)}>
>>> mc.decr("a")
122233
>>> mc.get("a")
122233
>>> mc
<mockcache.Client {'a': (122233, None)}>
>>> mc.decr("a", 5)
122228
>>> mc.get("a")
122228
>>> mc
<mockcache.Client {'a': (122228, None)}>
>>> mc.replace("b", "value")
0
>>> mc.get("b")
>>> mc.get("b") is None
True
>>> mc
<mockcache.Client {'a': (122228, None)}>
>>> mc.add("b", "value", 5)
1
>>> mc.get("b")
'value'
>>> mc  # doctest: +ELLIPSIS
<mockcache.Client {'a': (122228, None), 'b': ('value', ...)}>
>>> import time
>>> time.sleep(6)
>>> mc.get("b")
>>> mc.get("b") is None
True
>>> mc
<mockcache.Client {'a': (122228, None)}>
>>> mc.set("c", "value")
1
>>> mc.get_multi(["a", "b", "c"])
{'a': 122228, 'c': 'value'}
>>> mc.set_multi({"a": 999, "b": 998, "c": 997}, key_prefix="pf_")
[]
>>> mc.get("pf_a")
999
>>> multi_result = mc.get_multi(["b", "c"], key_prefix="pf_")
>>> multi_result["b"]
998
>>> multi_result["c"]
997
>>> mc.delete("a")
1
>>> mc.get("a") is None
True
>>> mc.set("a b c", 123) #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
MockcachedKeyCharacterError: Control characters not allowed
>>> mc.set(None, 123) #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
MockcachedKeyNoneError: Key is None
>>> mc.set(123, 123) #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
MockcachedKeyTypeError: Key must be str()'s
>>> mc.set(u"a", 123) #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
MockcachedStringEncodingError: Key must be str()'s, not unicode.
>>> mc.set("a" * 251, 123) #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
MockcachedKeyLengthError: Key length is > ...
Release History

Release History

This version
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1.0.3

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1.0.2

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1.0.1

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1.0

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0.9

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
mockcache-1.0.3.tar.gz (4.7 kB) Copy SHA256 Checksum SHA256 Source Feb 1, 2016

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