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Diffstat (limited to 'apps/couch/test/etap/081-config-override.t')
| -rwxr-xr-x | apps/couch/test/etap/081-config-override.t | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/apps/couch/test/etap/081-config-override.t b/apps/couch/test/etap/081-config-override.t new file mode 100755 index 00000000..16a6b6f6 --- /dev/null +++ b/apps/couch/test/etap/081-config-override.t @@ -0,0 +1,213 @@ +#!/usr/bin/env escript +%% -*- erlang -*- + +% 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. + +default_config() -> + filename:join([code:lib_dir(couch, test),"etap/081-config-default.ini"]). + +local_config_1() -> + filename:join([code:lib_dir(couch, test),"etap/081-config-override.1.ini"]). + +local_config_2() -> + filename:join([code:lib_dir(couch, test),"etap/081-config-override.2.ini"]). + +local_config_write() -> + test_util:build_file("test/etap/temp.081"). + +% Run tests and wait for the config gen_server to shutdown. +run_tests(IniFiles, Tests) -> + couch_config_event:start_link(), + {ok, Pid} = couch_config:start_link(IniFiles), + erlang:monitor(process, Pid), + Tests(), + couch_config:stop(), + receive + {'DOWN', _, _, Pid, _} -> ok; + _Other -> etap:diag("OTHER: ~p~n", [_Other]) + after + 1000 -> throw({timeout_error, config_stop}) + end. + +main(_) -> + test_util:init_code_path(), + etap:plan(17), + + case (catch test()) of + ok -> + etap:end_tests(); + Other -> + etap:diag(io_lib:format("Test died abnormally: ~p", [Other])), + etap:bail(Other) + end, + ok. + +test() -> + + CheckStartStop = fun() -> ok end, + run_tests([default_config()], CheckStartStop), + + CheckDefaults = fun() -> + etap:is( + couch_config:get("couchdb", "max_dbs_open"), + "100", + "{couchdb, max_dbs_open} is 100 by defualt." + ), + + etap:is( + couch_config:get("httpd","port"), + "5984", + "{httpd, port} is 5984 by default" + ), + + etap:is( + couch_config:get("fizbang", "unicode"), + undefined, + "{fizbang, unicode} is undefined by default" + ) + end, + + run_tests([default_config()], CheckDefaults), + + + % Check that subsequent files override values appropriately + + CheckOverride = fun() -> + etap:is( + couch_config:get("couchdb", "max_dbs_open"), + "10", + "{couchdb, max_dbs_open} was overriden with the value 10" + ), + + etap:is( + couch_config:get("httpd", "port"), + "4895", + "{httpd, port} was overriden with the value 4895" + ) + end, + + run_tests([default_config(), local_config_1()], CheckOverride), + + + % Check that overrides can create new sections + + CheckOverride2 = fun() -> + etap:is( + couch_config:get("httpd", "port"), + "80", + "{httpd, port} is overriden with the value 80" + ), + + etap:is( + couch_config:get("fizbang", "unicode"), + "normalized", + "{fizbang, unicode} was created by override INI file" + ) + end, + + run_tests([default_config(), local_config_2()], CheckOverride2), + + + % Check that values can be overriden multiple times + + CheckOverride3 = fun() -> + etap:is( + couch_config:get("httpd", "port"), + "80", + "{httpd, port} value was taken from the last specified INI file." + ) + end, + + run_tests( + [default_config(), local_config_1(), local_config_2()], + CheckOverride3 + ), + + % Check persistence to last file. + + % Empty the file in case it exists. + {ok, Fd} = file:open(local_config_write(), write), + ok = file:truncate(Fd), + ok = file:close(Fd), + + % Open and write a value + CheckCanWrite = fun() -> + etap:is( + couch_config:get("httpd", "port"), + "5984", + "{httpd, port} is still 5984 by default" + ), + + etap:is( + couch_config:set("httpd", "port", "8080"), + ok, + "Writing {httpd, port} is kosher." + ), + + etap:is( + couch_config:get("httpd", "port"), + "8080", + "{httpd, port} was updated to 8080 successfully." + ), + + etap:is( + couch_config:delete("httpd", "bind_address"), + ok, + "Deleting {httpd, bind_address} succeeds" + ), + + etap:is( + couch_config:get("httpd", "bind_address"), + undefined, + "{httpd, bind_address} was actually deleted." + ) + end, + + run_tests([default_config(), local_config_write()], CheckCanWrite), + + % Open and check where we don't expect persistence. + + CheckDidntWrite = fun() -> + etap:is( + couch_config:get("httpd", "port"), + "5984", + "{httpd, port} was not persisted to the primary INI file." + ), + + etap:is( + couch_config:get("httpd", "bind_address"), + "127.0.0.1", + "{httpd, bind_address} was not deleted form the primary INI file." + ) + end, + + run_tests([default_config()], CheckDidntWrite), + + % Open and check we have only the persistence we expect. + CheckDidWrite = fun() -> + etap:is( + couch_config:get("httpd", "port"), + "8080", + "{httpd, port} is still 8080 after reopening the config." + ), + + etap:is( + couch_config:get("httpd", "bind_address"), + undefined, + "{httpd, bind_address} is still \"\" after reopening." + ) + end, + + run_tests([local_config_write()], CheckDidWrite), + + ok. |