Software /
code /
prosody
Diff
tests/test_util_cache.lua @ 7290:70ab13e81cf5
util.cache: Change behaviour of on_evict (and tests). Now accepts false instead of a function (never evict), or on_evict can return false to prevent eviction.
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Thu, 17 Mar 2016 19:08:42 +0000 |
parent | 7289:42e7545d5ae3 |
child | 7291:688a7f5d3624 |
line wrap: on
line diff
--- a/tests/test_util_cache.lua Thu Mar 17 19:07:40 2016 +0000 +++ b/tests/test_util_cache.lua Thu Mar 17 19:08:42 2016 +0000 @@ -222,22 +222,21 @@ local c3 = new(1, function (_key, _value, c3) 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 +244,31 @@ 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()); + end