davisp commented on a change in pull request #497: notify couch_index_processes on all shards when ddoc updated URL: https://github.com/apache/couchdb/pull/497#discussion_r113967645
########## File path: src/couch_index/test/couch_index_ddoc_updated_tests.erl ########## @@ -0,0 +1,134 @@ +% 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(couch_index_ddoc_updated_tests). + +-include_lib("couch/include/couch_eunit.hrl"). +-include_lib("couch/include/couch_db.hrl"). + +setup() -> + DbName = ?tempdb(), + fake_mem3(DbName), + fake_index(), + + DbNames = [mem3:name(Sh) || Sh <- mem3:local_shards(mem3:dbname(DbName))], + [Db1| RestDbs] = lists:map(fun(DBName) -> + {ok, DB} = couch_db:create(DBName, [?ADMIN_CTX]), + DB + end, DbNames), + + % create a DDoc on the 1st Db + DDocID = <<"idx_name">>, + DDocJson = couch_doc:from_json_obj({[ + {<<"_id">>, DDocID}, + {<<"value">>, 1} + ]}), + {ok, _Rev} = couch_db:update_doc(Db1, DDocJson, []), + {ok, Db} = couch_db:reopen(Db1), + {ok, DDoc} = couch_db:open_doc(Db, DDocID, [ejson_body, ?ADMIN_CTX]), + Dbs = [Db | RestDbs], + {Dbs, DDoc}. + + +teardown({Dbs, _DDoc}) -> + lists:foreach(fun(Db) -> + couch_db:close(Db), + couch_server:delete(Db#db.name, [?ADMIN_CTX]) + end, Dbs), + (catch meck:unload(mem3)), + (catch meck:unload(test_index)), + ok. + + +ddoc_update_test_() -> + { + "Check ddoc update actions", + { + setup, + fun() -> test_util:start_couch([]) end, fun test_util:stop_couch/1, + { + foreach, + fun setup/0, fun teardown/1, + [ + fun ddoc_update/1 + ] + } + } + }. + + +ddoc_update({[Db | _] = Dbs, DDoc}) -> + ?_test(begin + N = length(Dbs), + DDocID = DDoc#doc.id, + + % run couch_index process for each Db + lists:foreach(fun(DB) -> + couch_index_server:get_index(test_index, DB, DDoc) + end, Dbs), + IndexesBefore = ets:match_object( + couchdb_indexes_by_db, {'$1', {DDocID, '$2'}}), + ?assertEqual(N, length(IndexesBefore)), + + % update ddoc + DDocJson2 = couch_doc:from_json_obj({[ + {<<"_id">>, DDocID}, + {<<"value">>, 2}, + {<<"_rev">>, couch_doc:rev_to_str(DDoc#doc.revs)} + ]}), + {ok, _} = couch_db:update_doc(Db, DDocJson2, []), + + % assert that all index processes exited after ddoc updated + couch_index_server:handle_db_event( + Db#db.name, {ddoc_updated, DDocID}, {st, ""}), + timer:sleep(1000), + IndexesAfter = ets:match_object( + couchdb_indexes_by_db, {'$1', {DDocID, '$2'}}), + ?assertEqual(0, length(IndexesAfter)), + ok + end). + + +fake_mem3(DbName0) -> + ok = meck:expect(mem3, dbname, fun(_DbName) -> DbName0 end), + ok = meck:expect(mem3, name, fun(DbName) -> DbName end), + ok = meck:expect(mem3, local_shards, fun(DbName) -> [ + <<DbName/binary, <<"/00000000-1fffffff">>/binary>>, Review comment: I'm a bit leery of mocking these functions to return different values than what would happen in real life. Perhaps adding a make_shard(Name) to return actual #shard records would be sufficient to remove the extra mocks? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
