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Merge pull request #1629 from cloudant/84736-handle-db-deletion-in-lo…
…ad_validation_funs handle db deletion in load validation funs
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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. | ||
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-module(couchdb_db_tests). | ||
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-include_lib("couch/include/couch_eunit.hrl"). | ||
-include_lib("couch/include/couch_db.hrl"). | ||
-include_lib("mem3/include/mem3.hrl"). | ||
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setup() -> | ||
DbName = ?b2l(?tempdb()), | ||
fabric:create_db(DbName), | ||
DbName. | ||
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teardown(DbName) -> | ||
(catch fabric:delete_db(DbName)), | ||
ok. | ||
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clustered_db_test_() -> | ||
{ | ||
"Checking clustered db API", | ||
{ | ||
setup, | ||
fun() -> test_util:start_couch([ddoc_cache, mem3]) end, | ||
fun test_util:stop/1, | ||
[ | ||
{ | ||
"DB deletion", | ||
{ | ||
foreach, | ||
fun setup/0, fun teardown/1, | ||
[ | ||
fun should_close_deleted_db/1, | ||
fun should_kill_caller_from_load_validation_funs_for_deleted_db/1 | ||
] | ||
} | ||
} | ||
] | ||
} | ||
}. | ||
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should_close_deleted_db(DbName) -> | ||
?_test(begin | ||
[#shard{name = ShardName} | _] = mem3:shards(DbName), | ||
{ok, Db} = couch_db:open(ShardName, []), | ||
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MonitorRef = couch_db:monitor(Db), | ||
fabric:delete_db(DbName), | ||
receive | ||
{'DOWN', MonitorRef, _Type, _Pid, _Info} -> | ||
ok | ||
after 2000 -> | ||
throw(timeout_error) | ||
end, | ||
test_util:wait(fun() -> | ||
case ets:lookup(couch_dbs, DbName) of | ||
[] -> ok; | ||
_ -> wait | ||
end | ||
end), | ||
?assertEqual([], ets:lookup(couch_dbs, DbName)) | ||
end). | ||
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should_kill_caller_from_load_validation_funs_for_deleted_db(DbName) -> | ||
?_test(begin | ||
[#shard{name = ShardName} | _] = mem3:shards(DbName), | ||
{ok, Db} = couch_db:open(ShardName, []), | ||
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MonitorRef = couch_db:monitor(Db), | ||
fabric:delete_db(DbName), | ||
receive | ||
{'DOWN', MonitorRef, _Type, _Pid, _Info} -> | ||
ok | ||
after 2000 -> | ||
throw(timeout_error) | ||
end, | ||
?assertError(database_does_not_exist, couch_db:load_validation_funs(Db)) | ||
end). |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,107 @@ | ||
% 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. | ||
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-module(ddoc_cache_open_test). | ||
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-export([ | ||
dbname/1, | ||
ddocid/1, | ||
recover/1, | ||
insert/2 | ||
]). | ||
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-include_lib("couch/include/couch_db.hrl"). | ||
-include_lib("eunit/include/eunit.hrl"). | ||
-include("ddoc_cache_test.hrl"). | ||
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%% behaviour callbacks | ||
dbname(DbName) -> | ||
DbName. | ||
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ddocid(_) -> | ||
no_ddocid. | ||
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recover({deleted, _DbName}) -> | ||
erlang:error(database_does_not_exist); | ||
recover(DbName) -> | ||
ddoc_cache_entry_validation_funs:recover(DbName). | ||
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insert(_, _) -> | ||
ok. | ||
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start_couch() -> | ||
Ctx = ddoc_cache_tutil:start_couch(), | ||
meck:new(ddoc_cache_entry_validation_funs, [passthrough]), | ||
meck:expect(ddoc_cache_entry_validation_funs, recover, | ||
['_'], meck:passthrough()), | ||
Ctx. | ||
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stop_couch(Ctx) -> | ||
meck:unload(), | ||
ddoc_cache_tutil:stop_couch(Ctx). | ||
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check_open_error_test_() -> | ||
{ | ||
setup, | ||
fun start_couch/0, | ||
fun stop_couch/1, | ||
ddoc_cache_tutil:with([ | ||
{"should_return_database_does_not_exist", | ||
fun should_return_database_does_not_exist/1}, | ||
{"should_not_call_recover_when_database_does_not_exist", | ||
fun should_not_call_recover_when_database_does_not_exist/1}, | ||
{"should_call_recover_when_needed", | ||
fun should_call_recover_when_needed/1}, | ||
{"should_call_recover_when_needed", | ||
fun should_not_crash_lru_process/1} | ||
]) | ||
}. | ||
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should_return_database_does_not_exist({DbName, _}) -> | ||
?assertError( | ||
database_does_not_exist, | ||
ddoc_cache_lru:open({?MODULE, {deleted, DbName}})). | ||
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should_not_call_recover_when_database_does_not_exist({DbName, _}) -> | ||
meck:reset(ddoc_cache_entry_validation_funs), | ||
?assertError( | ||
database_does_not_exist, | ||
ddoc_cache_lru:open({?MODULE, {deleted, DbName}})), | ||
?assertError( | ||
timeout, | ||
meck:wait(1, ddoc_cache_entry_validation_funs, recover, '_', 100)). | ||
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should_call_recover_when_needed({DbName, _}) -> | ||
meck:reset(ddoc_cache_entry_validation_funs), | ||
ddoc_cache_lru:open({?MODULE, DbName}), | ||
?assertEqual( | ||
ok, | ||
meck:wait(1, ddoc_cache_entry_validation_funs, recover, '_', 500)). | ||
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should_not_crash_lru_process({DbName, _}) -> | ||
LRUPid = whereis(ddoc_cache_lru), | ||
?assert(is_process_alive(LRUPid)), | ||
?assertError( | ||
database_does_not_exist, | ||
ddoc_cache_lru:open({?MODULE, {deleted, DbName}})), | ||
?assert(is_process_alive(LRUPid)). |
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