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import unittest
from ..plugins.ttl_cache import CacheManager, TTLCache
class TTLCacheTest(unittest.TestCase):
def test_get(self):
ref = 'testcache'
cache = TTLCache(ref, 30)
with self.assertRaises(KeyError):
val = cache['foo']
cache['foo'] = 'var'
val = cache['foo']
self.assertEqual(val, 'var')
self.assertEqual(cache.hits, 1)
self.assertEqual(cache.misses, 1)
def test_ttl(self):
ref = 'testcache'
cache = TTLCache(ref, 0.0000001)
cache['foo'] = 'var'
# pylint: disable=pointless-statement
with self.assertRaises(KeyError):
cache['foo']
self.assertEqual(cache.hits, 0)
self.assertEqual(cache.misses, 1)
self.assertEqual(cache.expired, 1)
def test_maxsize_fifo(self):
ref = 'testcache'
cache = TTLCache(ref, 30, 2)
cache['foo0'] = 'var0'
cache['foo1'] = 'var1'
cache['foo2'] = 'var2'
# pylint: disable=pointless-statement
with self.assertRaises(KeyError):
cache['foo0']
self.assertEqual(cache.hits, 0)
self.assertEqual(cache.misses, 1)
class TTLCacheManagerTest(unittest.TestCase):
def test_get(self):
ref = 'testcache'
cache0 = CacheManager.get(ref)
cache1 = CacheManager.get(ref)
self.assertEqual(id(cache0), id(cache1))
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