committing to schema-evolution

merge from HEAD



git-svn-id: http://code.djangoproject.com/svn/django/branches/schema-evolution@3937 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 71 insertions, 0 deletions

diff --git a/tests/regressiontests/cache/tests.py b/tests/regressiontests/cache/tests.py
new file mode 100644
index 0000000000..cf58ab321a
--- /dev/null
+++ b/tests/regressiontests/cache/tests.py
@@ -0,0 +1,71 @@
+# Unit tests for cache framework
+# Uses whatever cache backend is set in the test settings file.
+
+from django.core.cache import cache
+import time, unittest
+
+# functions/classes for complex data type tests        
+def f():
+    return 42
+class C:
+    def m(n):
+        return 24
+
+class Cache(unittest.TestCase):
+    def test_simple(self):
+        # simple set/get
+        cache.set("key", "value")
+        self.assertEqual(cache.get("key"), "value")
+
+    def test_non_existent(self):
+        # get with non-existent keys
+        self.assertEqual(cache.get("does not exist"), None)
+        self.assertEqual(cache.get("does not exist", "bang!"), "bang!")
+
+    def test_get_many(self):
+        # get_many
+        cache.set('a', 'a')
+        cache.set('b', 'b')
+        cache.set('c', 'c')
+        cache.set('d', 'd')
+        self.assertEqual(cache.get_many(['a', 'c', 'd']), {'a' : 'a', 'c' : 'c', 'd' : 'd'})
+        self.assertEqual(cache.get_many(['a', 'b', 'e']), {'a' : 'a', 'b' : 'b'})
+
+    def test_delete(self):
+        # delete
+        cache.set("key1", "spam")
+        cache.set("key2", "eggs")
+        self.assertEqual(cache.get("key1"), "spam")
+        cache.delete("key1")
+        self.assertEqual(cache.get("key1"), None)
+        self.assertEqual(cache.get("key2"), "eggs")
+
+    def test_has_key(self):
+        # has_key
+        cache.set("hello", "goodbye")
+        self.assertEqual(cache.has_key("hello"), True)
+        self.assertEqual(cache.has_key("goodbye"), False)
+
+    def test_data_types(self):
+        # test data types
+        stuff = {
+            'string'    : 'this is a string',
+            'int'       : 42,
+            'list'      : [1, 2, 3, 4],
+            'tuple'     : (1, 2, 3, 4),
+            'dict'      : {'A': 1, 'B' : 2},
+            'function'  : f,
+            'class'     : C,
+        }
+        for (key, value) in stuff.items():
+            cache.set(key, value)
+            self.assertEqual(cache.get(key), value)
+    
+    def test_expiration(self):
+        # expiration
+        cache.set('expire', 'very quickly', 1)
+        time.sleep(2)
+        self.assertEqual(cache.get("expire"), None)
+
+if __name__ == '__main__':
+    unittest.main()
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