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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(ddoc_cache_eviction_test).
-export([
recover/1
]).
-include_lib("couch/include/couch_db.hrl").
-include_lib("eunit/include/eunit.hrl").
-include_lib("mem3/include/mem3.hrl").
-include("ddoc_cache_test.hrl").
recover(DbName) ->
{ok, {DbName, totes_custom}}.
start_couch() ->
Ctx = ddoc_cache_tutil:start_couch(),
meck:new(ddoc_cache_ev, [passthrough]),
Ctx.
stop_couch(Ctx) ->
meck:unload(),
ddoc_cache_tutil:stop_couch(Ctx).
check_eviction_test_() ->
{
setup,
fun start_couch/0,
fun stop_couch/1,
ddoc_cache_tutil:with([
{"evict_all", fun evict_all/1},
{"dont_evict_all_unrelated", fun dont_evict_all_unrelated/1}
])
}.
evict_all({DbName, _}) ->
ddoc_cache_tutil:clear(),
meck:reset(ddoc_cache_ev),
Rev = ddoc_cache_tutil:get_rev(DbName, ?FOOBAR),
#shard{name = ShardName} = hd(mem3:shards(DbName)),
{ok, _} = ddoc_cache:open_doc(DbName, ?FOOBAR),
{ok, _} = ddoc_cache:open_doc(DbName, ?FOOBAR, Rev),
{ok, _} = ddoc_cache:open_validation_funs(DbName),
{ok, _} = ddoc_cache:open_custom(DbName, ?MODULE),
?assertEqual(4, ets:info(?CACHE, size)),
{ok, _} = ddoc_cache_lru:handle_db_event(ShardName, deleted, foo),
meck:wait(ddoc_cache_ev, event, [evicted, DbName], 1000),
meck:wait(4, ddoc_cache_ev, event, [removed, '_'], 1000),
?assertEqual(0, ets:info(?CACHE, size)).
dont_evict_all_unrelated({DbName, _}) ->
ddoc_cache_tutil:clear(),
meck:reset(ddoc_cache_ev),
Rev = ddoc_cache_tutil:get_rev(DbName, ?FOOBAR),
{ok, _} = ddoc_cache:open_doc(DbName, ?FOOBAR),
{ok, _} = ddoc_cache:open_doc(DbName, ?FOOBAR, Rev),
{ok, _} = ddoc_cache:open_validation_funs(DbName),
{ok, _} = ddoc_cache:open_custom(DbName, ?MODULE),
?assertEqual(4, ets:info(?CACHE, size)),
ShardName = <<"shards/00000000-ffffffff/test.1384769918">>,
{ok, _} = ddoc_cache_lru:handle_db_event(ShardName, deleted, foo),
meck:wait(ddoc_cache_ev, event, [evict_noop, <<"test">>], 1000),
?assertEqual(4, ets:info(?CACHE, size)).
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