Files
mongo/jstests/libs/check_log.js
2016-12-16 12:15:17 -05:00

54 lines
1.9 KiB
JavaScript

"use strict";
/*
* Helper functions which connect to a server, and check its logs for particular strings.
*/
var checkLog = (function() {
/*
* Calls the 'getLog' function at regular intervals on the provided connection 'conn' until the
* provided 'msg' is found in the logs, or 5 minutes have elapsed. Throws an exception on
* timeout.
*/
var contains = function(conn, msg) {
assert.soon(
function() {
var logMessages = assert.commandWorked(conn.adminCommand({getLog: 'global'})).log;
for (var i = 0; i < logMessages.length; i++) {
if (logMessages[i].indexOf(msg) != -1) {
return true;
}
}
return false;
},
'Could not find log entries containing the following message: ' + msg,
5 * 60 * 1000,
300);
};
/*
* Calls the 'getLog' function at regular intervals on the provided connection 'conn' until the
* provided 'msg' is found in the logs exactly 'expectedCount' times, or 5 minutes have elapsed.
* Throws an exception on timeout.
*/
var containsWithCount = function(conn, msg, expectedCount) {
var count = 0;
assert.soon(
function() {
var logMessages = assert.commandWorked(conn.adminCommand({getLog: 'global'})).log;
for (var i = 0; i < logMessages.length; i++) {
if (logMessages[i].indexOf(msg) != -1) {
count++;
}
}
return expectedCount === count;
},
'Expected ' + expectedCount + ', but instead saw ' + count +
' log entries containing the following message: ' + msg,
5 * 60 * 1000,
300);
};
return {contains: contains, containsWithCount: containsWithCount};
})();