/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* Use console API to log via MOZ_LOG to stdout/file/profiler */
// Use background task in order to control MOZ_LOG env variable passed to another gecko run
const { BackgroundTasksTestUtils } = ChromeUtils.importESModule(
"resource://testing-common/BackgroundTasksTestUtils.sys.mjs"
);
BackgroundTasksTestUtils.init(
this);
const do_backgroundtask = BackgroundTasksTestUtils.do_backgroundtask.bind(
BackgroundTasksTestUtils
);
add_task(async
function test_console_to_mozlog() {
const lines = [];
const promise = do_backgroundtask(
"console", {
onStdoutLine: (line, _proc) => {
dump(`STDOUT: ${line}`);
lines.push(line);
},
extraEnv: {
MOZ_LOG:
"console:5,my-prefix:2",
},
});
const exitCode = await promise;
is(exitCode, 0);
const pidLine = lines.find(line => line.includes(
"CONSOLE-PID"));
ok(pidLine,
"Found the line where the parent process PID is logged");
const [, pid] = pidLine.split(
":");
ok(pid,
"Got the pid out of the PID line");
// Each MOZ_LOG / console api call starts with a description of the process and thread where it is logged
const threadPrefix = `[Parent ${pid}: Main
Thread]: `;
const expectedLogs = [
`I/console log:
"foo"`,
`D/console debug:
"bar"`,
// Bug 1923985: For now, the console API level isn't synchronized with MOZ_LOG one.
// shouldLogLog should be false because of my-prefix set to level 2.
`E/my-prefix error: ({shouldLogError:
true, shouldLogLog:
true})`,
`W/my-prefix warn:
"warning"`,
];
for (
const expected of expectedLogs) {
ok(
lines.some(line => line.includes(`${threadPrefix}${expected}`)),
`Found ${expected}`
);
}
// The console.log call with my-prefix isn't logged because of log level set to "2" for my-prefix
ok(
!lines.some(line => line.includes(
"not-logged")),
"Logs blocked by too verbose level aren't visible in stdout"
);
});