29     Cache = TTLTestCache  variable in TTLCacheTest
32         cache = TTLCache(maxsize=2, ttl=1, timer=Timer())
33         self.assertEqual(0, cache.timer())
34         self.assertEqual(1, cache.ttl)
36         cache[1] = 1
37         self.assertEqual({1}, set(cache))
38         self.assertEqual(1, len(cache))
39         self.assertEqual(1, cache[1])
41         cache.timer.tick()
42         self.assertEqual({1}, set(cache))
43         self.assertEqual(1, len(cache))
44         self.assertEqual(1, cache[1])
46         cache[2] = 2
47         self.assertEqual({1, 2}, set(cache))
48         self.assertEqual(2, len(cache))
49         self.assertEqual(1, cache[1])
50         self.assertEqual(2, cache[2])
52         cache.timer.tick()
53         self.assertEqual({2}, set(cache))
54         self.assertEqual(1, len(cache))
55         self.assertNotIn(1, cache)
56         self.assertEqual(2, cache[2])
58         cache[3] = 3
59         self.assertEqual({2, 3}, set(cache))
60         self.assertEqual(2, len(cache))
61         self.assertNotIn(1, cache)
62         self.assertEqual(2, cache[2])
63         self.assertEqual(3, cache[3])
65         cache.timer.tick()
66         self.assertEqual({3}, set(cache))
67         self.assertEqual(1, len(cache))
68         self.assertNotIn(1, cache)
69         self.assertNotIn(2, cache)
70         self.assertEqual(3, cache[3])
72         cache.timer.tick()
73         self.assertEqual(set(), set(cache))
74         self.assertEqual(0, len(cache))
75         self.assertNotIn(1, cache)
76         self.assertNotIn(2, cache)
77         self.assertNotIn(3, cache)
80             del cache[1]
82             cache.pop(2)
84             del cache[3]
87         cache = TTLCache(maxsize=2, ttl=0, timer=Timer())
89         cache[1] = 1
90         cache[2] = 2
91         cache[3] = 3
93         self.assertEqual(len(cache), 2)
94         self.assertNotIn(1, cache)
95         self.assertEqual(cache[2], 2)
96         self.assertEqual(cache[3], 3)
98         cache[2]
99         cache[4] = 4
100         self.assertEqual(len(cache), 2)
101         self.assertNotIn(1, cache)
102         self.assertEqual(cache[2], 2)
103         self.assertNotIn(3, cache)
104         self.assertEqual(cache[4], 4)
106         cache[5] = 5
107         self.assertEqual(len(cache), 2)
108         self.assertNotIn(1, cache)
109         self.assertNotIn(2, cache)
110         self.assertNotIn(3, cache)
111         self.assertEqual(cache[4], 4)
112         self.assertEqual(cache[5], 5)
115         cache = TTLCache(maxsize=3, ttl=2, timer=Timer())
116         with cache.timer as time:
117             self.assertEqual(time, cache.timer())
118         self.assertEqual(2, cache.ttl)
120         cache[1] = 1
121         cache.timer.tick()
122         cache[2] = 2
123         cache.timer.tick()
124         cache[3] = 3
125         self.assertEqual(2, cache.timer())
127         self.assertEqual({1, 2, 3}, set(cache))
128         self.assertEqual(3, len(cache))
129         self.assertEqual(1, cache[1])
130         self.assertEqual(2, cache[2])
131         self.assertEqual(3, cache[3])
133         cache.expire()
134         self.assertEqual({1, 2, 3}, set(cache))
135         self.assertEqual(3, len(cache))
136         self.assertEqual(1, cache[1])
137         self.assertEqual(2, cache[2])
138         self.assertEqual(3, cache[3])
140         cache.expire(3)
141         self.assertEqual({2, 3}, set(cache))
142         self.assertEqual(2, len(cache))
143         self.assertNotIn(1, cache)
144         self.assertEqual(2, cache[2])
145         self.assertEqual(3, cache[3])
147         cache.expire(4)
148         self.assertEqual({3}, set(cache))
149         self.assertEqual(1, len(cache))
150         self.assertNotIn(1, cache)
151         self.assertNotIn(2, cache)
152         self.assertEqual(3, cache[3])
154         cache.expire(5)
155         self.assertEqual(set(), set(cache))
156         self.assertEqual(0, len(cache))
157         self.assertNotIn(1, cache)
158         self.assertNotIn(2, cache)
159         self.assertNotIn(3, cache)
162         cache = TTLCache(maxsize=1, ttl=1, timer=Timer(auto=True))
163         cache[1] = 1
164         self.assertEqual(1, cache[1])
165         cache[1] = 1
166         self.assertEqual(1, cache.get(1))
167         cache[1] = 1
168         self.assertEqual(1, cache.pop(1))
169         cache[1] = 1
170         self.assertEqual(1, cache.setdefault(1))
171         cache[1] = 1
172         cache.clear()
173         self.assertEqual(0, len(cache))
176         cache = TTLCache(maxsize=1, ttl=0, timer=Timer())
177         self.assertEqual(0, cache.ttl)
179         cache[(1, 2, 3)] = 42
180         self.assertEqual(42, cache[(1, 2, 3)])
181         cache.timer.tick()
183             cache[(1, 2, 3)]
184         self.assertNotIn((1, 2, 3), cache)
189         cache = TTLCache(maxsize=1, ttl=timedelta(days=1), timer=datetime.now)
191         cache[1] = 1
192         self.assertEqual(1, len(cache))
193         cache.expire(datetime.now())
194         self.assertEqual(1, len(cache))
195         cache.expire(datetime.now() + timedelta(days=1))
196         self.assertEqual(0, len(cache))