1
0
Fork 0
firefox/dom/console/tests/browser_console_to_mozlog.js
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

66 lines
2.3 KiB
JavaScript

/* 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) => {
lines.push(line);
},
extraEnv: {
MOZ_LOG: "console:5,my-prefix:2,PageMessages:5",
},
});
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 ${pid}: Main Thread]: `;
const expectedLogs = [
// MOZ_LOG=console:5
`I/console log: "foo"`,
`D/console debug: "bar"`,
// MOZ_LOG=my-prefix:2
// Bug 1923985: For now, the console API level isn't synchronized with MOZ_LOG one.
// shouldLogLog should be false because of my-prefix set to level 2.
`E/my-prefix error: ({shouldLogError:true, shouldLogLog:true})`,
`W/my-prefix warn: "warning"`,
// MOZ_LOG=PageMessages:5
`I/PageMessages String message`,
`E/PageMessages [JavaScript Error: "Error: Async exception" {file: "resource://testing-common/backgroundtasks/BackgroundTask_console.sys.mjs" line: 28}]`,
];
for (const expected of expectedLogs) {
ok(
lines.some(line => line.includes(`${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"
);
});