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Name	Size	Permission
__init__.py	9.51 KB	-rw-r--r--
test_cache.py	148 B	-rw-r--r--
test_cached.py	8.19 KB	-rw-r--r--
test_cachedmethod.py	6.89 KB	-rw-r--r--
test_fifo.py	1.34 KB	-rw-r--r--
test_func.py	5.26 KB	-rw-r--r--
test_keys.py	4.66 KB	-rw-r--r--
test_lfu.py	1.17 KB	-rw-r--r--
test_lru.py	1.34 KB	-rw-r--r--
test_mru.py	1.87 KB	-rw-r--r--
test_rr.py	831 B	-rw-r--r--
test_tlru.py	7.96 KB	-rw-r--r--
test_ttl.py	5.85 KB	-rw-r--r--

Code Editor : test_ttl.py

import math
import unittest

from cachetools import TTLCache

from . import CacheTestMixin

class Timer:
    def __init__(self, auto=False):
        self.auto = auto
        self.time = 0

def __call__(self):
        if self.auto:
            self.time += 1
        return self.time

def tick(self):
        self.time += 1

class TTLTestCache(TTLCache):
    def __init__(self, maxsize, ttl=math.inf, **kwargs):
        TTLCache.__init__(self, maxsize, ttl=ttl, timer=Timer(), **kwargs)

class TTLCacheTest(unittest.TestCase, CacheTestMixin):
    Cache = TTLTestCache

def test_ttl(self):
        cache = TTLCache(maxsize=2, ttl=2, timer=Timer())
        self.assertEqual(0, cache.timer())
        self.assertEqual(2, cache.ttl)

cache[1] = 1
        self.assertEqual(1, cache[1])
        self.assertEqual(1, len(cache))
        self.assertEqual({1}, set(cache))

cache.timer.tick()
        self.assertEqual(1, cache[1])
        self.assertEqual(1, len(cache))
        self.assertEqual({1}, set(cache))

cache[2] = 2
        self.assertEqual(1, cache[1])
        self.assertEqual(2, cache[2])
        self.assertEqual(2, len(cache))
        self.assertEqual({1, 2}, set(cache))

cache.timer.tick()
        self.assertNotIn(1, cache)
        self.assertEqual(2, cache[2])
        self.assertEqual(1, len(cache))
        self.assertEqual({2}, set(cache))

cache[3] = 3
        self.assertNotIn(1, cache)
        self.assertEqual(2, cache[2])
        self.assertEqual(3, cache[3])
        self.assertEqual(2, len(cache))
        self.assertEqual({2, 3}, set(cache))

cache.timer.tick()
        self.assertNotIn(1, cache)
        self.assertNotIn(2, cache)
        self.assertEqual(3, cache[3])
        self.assertEqual(1, len(cache))
        self.assertEqual({3}, set(cache))

cache.timer.tick()
        self.assertNotIn(1, cache)
        self.assertNotIn(2, cache)
        self.assertNotIn(3, cache)

with self.assertRaises(KeyError):
            del cache[1]
        with self.assertRaises(KeyError):
            cache.pop(2)
        with self.assertRaises(KeyError):
            del cache[3]

self.assertEqual(0, len(cache))
        self.assertEqual(set(), set(cache))

def test_ttl_lru(self):
        cache = TTLCache(maxsize=2, ttl=1, timer=Timer())

cache[1] = 1
        cache[2] = 2
        cache[3] = 3

self.assertEqual(len(cache), 2)
        self.assertNotIn(1, cache)
        self.assertEqual(cache[2], 2)
        self.assertEqual(cache[3], 3)

cache[2]
        cache[4] = 4
        self.assertEqual(len(cache), 2)
        self.assertNotIn(1, cache)
        self.assertEqual(cache[2], 2)
        self.assertNotIn(3, cache)
        self.assertEqual(cache[4], 4)

cache[5] = 5
        self.assertEqual(len(cache), 2)
        self.assertNotIn(1, cache)
        self.assertNotIn(2, cache)
        self.assertNotIn(3, cache)
        self.assertEqual(cache[4], 4)
        self.assertEqual(cache[5], 5)

def test_ttl_expire(self):
        cache = TTLCache(maxsize=3, ttl=3, timer=Timer())
        with cache.timer as time:
            self.assertEqual(time, cache.timer())
        self.assertEqual(3, cache.ttl)

cache[1] = 1
        cache.timer.tick()
        cache[2] = 2
        cache.timer.tick()
        cache[3] = 3
        self.assertEqual(2, cache.timer())

self.assertEqual({1, 2, 3}, set(cache))
        self.assertEqual(3, len(cache))
        self.assertEqual(1, cache[1])
        self.assertEqual(2, cache[2])
        self.assertEqual(3, cache[3])

items = cache.expire()
        self.assertEqual(set(), set(items))
        self.assertEqual({1, 2, 3}, set(cache))
        self.assertEqual(3, len(cache))
        self.assertEqual(1, cache[1])
        self.assertEqual(2, cache[2])
        self.assertEqual(3, cache[3])

items = cache.expire(3)
        self.assertEqual({(1, 1)}, set(items))
        self.assertEqual({2, 3}, set(cache))
        self.assertEqual(2, len(cache))
        self.assertNotIn(1, cache)
        self.assertEqual(2, cache[2])
        self.assertEqual(3, cache[3])

items = cache.expire(4)
        self.assertEqual({(2, 2)}, set(items))
        self.assertEqual({3}, set(cache))
        self.assertEqual(1, len(cache))
        self.assertNotIn(1, cache)
        self.assertNotIn(2, cache)
        self.assertEqual(3, cache[3])

items = cache.expire(5)
        self.assertEqual({(3, 3)}, set(items))
        self.assertEqual(set(), set(cache))
        self.assertEqual(0, len(cache))
        self.assertNotIn(1, cache)
        self.assertNotIn(2, cache)
        self.assertNotIn(3, cache)

def test_ttl_atomic(self):
        cache = TTLCache(maxsize=1, ttl=2, timer=Timer(auto=True))
        cache[1] = 1
        self.assertEqual(1, cache[1])
        cache[1] = 1
        self.assertEqual(1, cache.get(1))
        cache[1] = 1
        self.assertEqual(1, cache.pop(1))
        cache[1] = 1
        self.assertEqual(1, cache.setdefault(1))
        cache[1] = 1
        cache.clear()
        self.assertEqual(0, len(cache))

def test_ttl_tuple_key(self):
        cache = TTLCache(maxsize=1, ttl=1, timer=Timer())
        self.assertEqual(1, cache.ttl)

cache[(1, 2, 3)] = 42
        self.assertEqual(42, cache[(1, 2, 3)])
        cache.timer.tick()
        with self.assertRaises(KeyError):
            cache[(1, 2, 3)]
        self.assertNotIn((1, 2, 3), cache)

def test_ttl_datetime(self):
        from datetime import datetime, timedelta

cache = TTLCache(maxsize=1, ttl=timedelta(days=1), timer=datetime.now)

cache[1] = 1
        self.assertEqual(1, len(cache))
        items = cache.expire(datetime.now())
        self.assertEqual([], list(items))
        self.assertEqual(1, len(cache))
        items = cache.expire(datetime.now() + timedelta(days=1))
        self.assertEqual([(1, 1)], list(items))
        self.assertEqual(0, len(cache))

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Code Editor : test_ttl.py