Fixed some bugs

tests/cache/test_cache.py

@@ -1,4 +1,5 @@
 import pytest
+from cache.BaseCache import MAX_INITIALIZED_KEY
 from cache.Cache import Cache
 from cache.CacheManager import CacheManager
 from cache.DictionaryCache import DictionaryCache
@@ -55,6 +56,14 @@ class TestCache(TestUsingMemoryBasedSheerka):
         assert cache.get("key") == "key_not_found"
         assert "key" in cache  # default callable are put in cache
 
+    def test_i_dont_ask_the_remote_repository_twice(self):
+        nb_request = []
+
+        cache = Cache(default=lambda key: nb_request.append("requested"))
+        assert cache.get("key") is None
+        assert cache.get("key") is None
+        assert len(nb_request) == 1
+
     def test_i_can_put_and_retrieve_value_from_list_cache(self):
         cache = ListCache()
 
@@ -532,3 +541,27 @@ class TestCache(TestUsingMemoryBasedSheerka):
         cache.delete("key")
         assert cache.get("value") is None
         assert cache.to_remove == {"key"}
+
+    def test_initialized_key_is_removed_when_the_entry_is_found(self):
+        caches = [Cache(), ListCache(), ListIfNeededCache(), SetCache()]
+
+        for cache in caches:
+            cache.put("key", "value")
+            cache.get("key")
+
+            assert len(cache._initialized_keys) == 0
+
+        cache = IncCache()
+        cache.put("key", 10)
+        cache.get("key")
+        assert len(cache._initialized_keys) == 0
+
+    def test_initialized_keys_are_reset_when_max_length_is_reached(self):
+        cache = Cache()
+        for i in range(MAX_INITIALIZED_KEY):
+            cache.get(str(i))
+
+        assert len(cache._initialized_keys) == MAX_INITIALIZED_KEY
+
+        cache.get(str(MAX_INITIALIZED_KEY + 1))
+        assert len(cache._initialized_keys) == 1