From 2062f725d6cf0a426514574efa1f25671bc07631 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Tue, 6 Aug 2019 22:23:02 +0100
Subject: [PATCH] TEST: Test Cache lru option
---
tests/test_cache.py | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/tests/test_cache.py b/tests/test_cache.py
index cb643ae43..4dcc97032 100644
--- a/tests/test_cache.py
+++ b/tests/test_cache.py
@@ -113,7 +113,36 @@ def test_expiry():
with pytest.raises(cache.Expired):
c.get(0)
+ with pytest.raises(cache.Expired):
+ c.get(1)
+
assert c.get(1, default='default') == 'default'
# And that the cache is empty
assert len(c) == 0
+
+
+def test_lru():
+ c = cache.Cache(maxsize=3, lru=True)
+
+ c[0] = '0'
+ c[1] = '1'
+ c[2] = '2'
+ c[3] = '3'
+
+ # normal behaviour - first inserted
+ # is dropped
+ with pytest.raises(KeyError):
+ assert c.get(0)
+
+ # lru behaviour - oldest accessed is
+ # dropped
+ c[1]
+ c[4] = '4'
+ with pytest.raises(KeyError):
+ c[2]
+
+ c[1]
+ c[3]
+ c[4]
+ assert len(c) == 3
--
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