hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
import unittest
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from cachetools import FIFOCache
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from . import CacheTestMixin
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class LRUCacheTest(unittest.TestCase, CacheTestMixin):
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Cache = FIFOCache
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def test_fifo(self):
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cache = FIFOCache(maxsize=2)
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cache[1] = 1
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cache[2] = 2
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cache[3] = 3
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self.assertEqual(len(cache), 2)
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self.assertEqual(cache[2], 2)
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self.assertEqual(cache[3], 3)
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self.assertNotIn(1, cache)
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cache[2]
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cache[4] = 4
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self.assertEqual(len(cache), 2)
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self.assertEqual(cache[3], 3)
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self.assertEqual(cache[4], 4)
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self.assertNotIn(2, cache)
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cache[5] = 5
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self.assertEqual(len(cache), 2)
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self.assertEqual(cache[4], 4)
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self.assertEqual(cache[5], 5)
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self.assertNotIn(3, cache)
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def test_fifo_getsizeof(self):
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cache = FIFOCache(maxsize=3, getsizeof=lambda x: x)
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cache[1] = 1
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cache[2] = 2
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self.assertEqual(len(cache), 2)
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self.assertEqual(cache[1], 1)
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self.assertEqual(cache[2], 2)
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cache[3] = 3
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self.assertEqual(len(cache), 1)
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self.assertEqual(cache[3], 3)
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self.assertNotIn(1, cache)
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self.assertNotIn(2, cache)
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with self.assertRaises(ValueError):
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cache[4] = 4
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self.assertEqual(len(cache), 1)
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self.assertEqual(cache[3], 3)
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