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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* vim: sw=4 ts=4 sts=4 et
* 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/. */
// Run a background task which itself waits for a launched background task,
// which itself waits for a launched background task, etc. Verify no output is
// produced.
add_task(async function test_backgroundtask_no_output() {
let sentinel = Services.uuid.generateUUID().toString();
sentinel = sentinel.substring(1, sentinel.length - 1);
let count = 2;
let outputLines = [];
let exitCode = await do_backgroundtask("no_output", {
extraArgs: [sentinel, count.toString()],
// This is a misnomer: stdout is redirected to stderr, so this is _any_
// output line.
onStdoutLine: line => outputLines.push(line),
});
Assert.equal(0, exitCode);
Assert.deepEqual([], outputLines);
});
// Run a background task which itself waits for a launched background task,
// which itself waits for a launched background task, etc. Since we ignore the
// no output restriction, verify that output is produced.
add_task(async function test_backgroundtask_ignore_no_output() {
let sentinel = Services.uuid.generateUUID().toString();
sentinel = sentinel.substring(1, sentinel.length - 1);
let count = 2;
let outputLines = [];
let exitCode = await do_backgroundtask("no_output", {
extraArgs: [sentinel, count.toString()],
extraEnv: { MOZ_BACKGROUNDTASKS_IGNORE_NO_OUTPUT: "1" },
// This is a misnomer: stdout is redirected to stderr, so this is _any_
// output line.
onStdoutLine: line => {
if (line.includes(sentinel)) {
outputLines.push(line);
}
},
});
Assert.equal(0, exitCode);
Assert.equal(count, outputLines.length);
});
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