test_util_cache: remove unused argument c3 [luacheck]
[prosody.git] / tests / test_util_cache.lua
index ecdc2dc02ef2edbdc99e59e71c8328caf445b018..dea1bf4c6b92444ac7bea29aba76e81e7a6d5da0 100644 (file)
@@ -219,25 +219,24 @@ function new(new)
        
 
        local evicted_key, evicted_value;
-       local c3 = new(1, function (_key, _value, c3)
+       local c3 = new(1, function (_key, _value)
                evicted_key, evicted_value = _key, _value;
                if _key == "a" then
-                       -- Put it back in...
-                       -- Check that the newest key/value was set before on_evict was called
-                       assert_equal(c3:get("b"), 2);
                        -- Sanity check for what we're evicting
                        assert_equal(_key, "a");
                        assert_equal(_value, 1);
-                       -- Re-insert the evicted key (causes this evict function to run again with "b",2)
-                       c3:set(_key, _value)
-                       assert_equal(c3:get(_key), _value)
+                       -- We're going to block eviction of this key/value, so set to nil...
+                       evicted_key, evicted_value = nil, nil;
+                       -- Returning false to block eviction
+                       return false
                end
        end);
        local function set(k, v, should_evict_key, should_evict_value)
                evicted_key, evicted_value = nil, nil;
-               c3:set(k, v);
+               local ret = c3:set(k, v);
                assert_equal(evicted_key, should_evict_key);
                assert_equal(evicted_value, should_evict_value);
+               return ret;
        end
        set("a", 1)
        set("a", 1)
@@ -245,10 +244,55 @@ function new(new)
        set("a", 1)
        set("a", 1)
 
-       -- The evict handler re-inserts "a"->1, so "b" gets evicted:
-       set("b", 2, "b", 2)
+       -- Our on_evict prevents "a" from being evicted, causing this to fail...
+       assert_equal(set("b", 2), false, "Failed to prevent eviction, or signal result");
+       
+       expect_kv("a", 1, c3:head());
+       expect_kv("a", 1, c3:tail());
+       
        -- Check the final state is what we expect
        assert_equal(c3:get("a"), 1);
        assert_equal(c3:get("b"), nil);
        assert_equal(c3:count(), 1);
+
+
+       local c4 = new(3, false);
+       
+       assert_equal(c4:set("a", 1), true);
+       assert_equal(c4:set("a", 1), true);
+       assert_equal(c4:set("a", 1), true);
+       assert_equal(c4:set("a", 1), true);
+       assert_equal(c4:set("b", 2), true);
+       assert_equal(c4:set("c", 3), true);
+       assert_equal(c4:set("d", 4), false);
+       assert_equal(c4:set("d", 4), false);
+       assert_equal(c4:set("d", 4), false);
+
+       expect_kv("c", 3, c4:head());
+       expect_kv("a", 1, c4:tail());
+
+       local c5 = new(3, function (k, v)
+               if k == "a" then
+                       return nil;
+               elseif k == "b" then
+                       return true;
+               end
+               return false;
+       end);
+       
+       assert_equal(c5:set("a", 1), true);
+       assert_equal(c5:set("a", 1), true);
+       assert_equal(c5:set("a", 1), true);
+       assert_equal(c5:set("a", 1), true);
+       assert_equal(c5:set("b", 2), true);
+       assert_equal(c5:set("c", 3), true);
+       assert_equal(c5:set("d", 4), true); -- "a" evicted (cb returned nil)
+       assert_equal(c5:set("d", 4), true); -- nop
+       assert_equal(c5:set("d", 4), true); -- nop
+       assert_equal(c5:set("e", 5), true); -- "b" evicted (cb returned true)
+       assert_equal(c5:set("f", 6), false); -- "c" won't evict (cb returned false)
+
+       expect_kv("e", 5, c5:head());
+       expect_kv("c", 3, c5:tail());
+
 end