From 8c049f556e2656598fcf1059efc20a64927f2d66 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Valim?= Date: Fri, 7 Feb 2014 11:11:00 +0100 Subject: Allow persistent option on set_env/4 and unset_env/3 An environment key set with the persistent option will not be overridden by the ones configured in the application resource file on load. This means persistent values will stick after the application is loaded and also on application reload. --- lib/kernel/test/application_SUITE.erl | 49 +++++++++++++++++++++++++++++++++-- 1 file changed, 47 insertions(+), 2 deletions(-) (limited to 'lib/kernel/test/application_SUITE.erl') diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl index 9ec8a15861..ff62297f2d 100644 --- a/lib/kernel/test/application_SUITE.erl +++ b/lib/kernel/test/application_SUITE.erl @@ -33,7 +33,7 @@ permit_false_start_local/1, permit_false_start_dist/1, script_start/1, nodedown_start/1, init2973/0, loop2973/0, loop5606/1]). --export([config_change/1, +-export([config_change/1, persistent_env/1, distr_changed_tc1/1, distr_changed_tc2/1, ensure_started/1, ensure_all_started/1, shutdown_func/1, do_shutdown/1, shutdown_timeout/1]). @@ -53,7 +53,8 @@ all() -> load_use_cache, ensure_started, {group, reported_bugs}, start_phases, script_start, nodedown_start, permit_false_start_local, permit_false_start_dist, get_key, get_env, ensure_all_started, - {group, distr_changed}, config_change, shutdown_func, shutdown_timeout]. + {group, distr_changed}, config_change, shutdown_func, shutdown_timeout, + persistent_env]. groups() -> [{reported_bugs, [], @@ -1987,6 +1988,50 @@ get_appls([_ | T], Res) -> get_appls([], Res) -> Res. +persistent_env(suite) -> + []; +persistent_env(doc) -> + ["Test set_env/4 and unset_env/3 with persistent true"]; +persistent_env(Conf) when is_list(Conf) -> + ok = application:set_env(appinc, own2, persist, [{persistent, true}]), + ok = application:set_env(appinc, key1, persist, [{persistent, true}]), + + %% own_env1 and own2 are set in appinc + ok = application:load(appinc()), + {ok, value1} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% Changing the environment after loaded reflects and should persist + ok = application:set_env(appinc, own_env1, persist, [{persistent, true}]), + {ok, persist} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% On reload, own_env1, own2 and key1 should all persist + ok = application:unload(appinc), + ok = application:load(appinc()), + {ok, persist} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% Unset own_env1 and key1, own2 should still persist + ok = application:unset_env(appinc, own_env1, [{persistent, true}]), + ok = application:unset_env(appinc, key1, [{persistent, true}]), + undefined = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + undefined = application:get_env(appinc, key1), + + %% own_env1 should be back to its application value on reload + ok = application:unload(appinc), + ok = application:load(appinc()), + {ok, value1} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + undefined = application:get_env(appinc, key1), + + %% Clean up + ok = application:unload(appinc). + %%%----------------------------------------------------------------- %%% Tests the 'shutdown_func' kernel config parameter %%%----------------------------------------------------------------- -- cgit v1.2.3