src/ddoc_cache/test/eunit/ddoc_cache_disabled_test.erl

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%   http://www.apache.org/licenses/LICENSE-2.0
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-module(ddoc_cache_disabled_test).


-include_lib("couch/include/couch_db.hrl").
-include_lib("eunit/include/eunit.hrl").
-include("ddoc_cache_test.hrl").


start_couch() ->
    Ctx = ddoc_cache_tutil:start_couch(),
    config:set("ddoc_cache", "max_size", "0", false),
    Ctx.


check_disabled_test_() ->
    {
        setup,
        fun start_couch/0,
        fun ddoc_cache_tutil:stop_couch/1,
        ddoc_cache_tutil:with([
            {"resp_ok", fun resp_ok/1},
            {"resp_not_found", fun resp_not_found/1},
            {"check_effectively_disabled", fun check_effectively_disabled/1}
        ])
    }.


resp_ok({DbName, _}) ->
    ddoc_cache_tutil:clear(),
    Resp = ddoc_cache:open_doc(DbName, ?FOOBAR),
    ?assertMatch({ok, #doc{id = ?FOOBAR}}, Resp),
    ?assertEqual(0, ets:info(?CACHE, size)),
    ?assertEqual(0, ets:info(?LRU, size)).


resp_not_found({DbName, _}) ->
    ddoc_cache_tutil:clear(),
    Resp = ddoc_cache:open_doc(DbName, <<"_design/not_found">>),
    ?assertEqual({not_found, missing}, Resp),
    ?assertEqual(0, ets:info(?CACHE, size)),
    ?assertEqual(0, ets:info(?LRU, size)).


check_effectively_disabled({DbName, _}) ->
    config:set("ddoc_cache", "max_size", "1", false),
    ddoc_cache_tutil:clear(),
    Resp = ddoc_cache:open_doc(DbName, ?FOOBAR),
    ?assertMatch({ok, #doc{id = ?FOOBAR}}, Resp),
    ?assertEqual(0, ets:info(?CACHE, size)),
    ?assertEqual(0, ets:info(?LRU, size)).