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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.
couchTests.delayed_commits = function(debug) {
// Note that delayed_commits is deprecated in 2.0, so this is a minimal
// test to show it still works. delayed_commits will be removed in 3.0.
db_name = get_random_db_name();
var db = new CouchDB(db_name, {"X-Couch-Full-Commit":"false"});
db.deleteDb();
db.createDb();
if (debug) debugger;
run_on_modified_server(
[{section: "couchdb",
key: "delayed_commits",
value: "true"}],
function () {
// By default, couchdb doesn't fully commit documents to disk right away,
// it waits about a second to batch the full commit flush along with any
// other updates. If it crashes or is restarted you may lose the most
// recent commits.
// restartServer() requires a server to be up 15s before it restarts
sleep(15000);
T(db.save({_id:"1",a:2,b:4}).ok);
T(db.open("1") != null);
restartServer();
T(db.open("1") == null); // lost the update.
// note if we waited > 1 sec before the restart, the doc would likely
// commit.
});
// cleanup
db.deleteDb();
};
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