Files
code-server/lib/vscode/src/vs/base/test/node/processes/processes.test.ts
2021-04-30 20:25:17 +05:30

84 lines
2.6 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as assert from 'assert';
import * as cp from 'child_process';
import * as objects from 'vs/base/common/objects';
import * as platform from 'vs/base/common/platform';
import * as processes from 'vs/base/node/processes';
import { getPathFromAmdModule } from 'vs/base/test/node/testUtils';
function fork(id: string): cp.ChildProcess {
const opts: any = {
env: objects.mixin(objects.deepClone(process.env), {
VSCODE_AMD_ENTRYPOINT: id,
VSCODE_PIPE_LOGGING: 'true',
VSCODE_VERBOSE_LOGGING: true
})
};
return cp.fork(getPathFromAmdModule(require, 'bootstrap-fork'), ['--type=processTests'], opts);
}
suite('Processes', () => {
test('buffered sending - simple data', function (done: () => void) {
if (process.env['VSCODE_PID']) {
return done(); // this test fails when run from within VS Code
}
const child = fork('vs/base/test/node/processes/fixtures/fork');
const sender = processes.createQueuedSender(child);
let counter = 0;
const msg1 = 'Hello One';
const msg2 = 'Hello Two';
const msg3 = 'Hello Three';
child.on('message', msgFromChild => {
if (msgFromChild === 'ready') {
sender.send(msg1);
sender.send(msg2);
sender.send(msg3);
} else {
counter++;
if (counter === 1) {
assert.strictEqual(msgFromChild, msg1);
} else if (counter === 2) {
assert.strictEqual(msgFromChild, msg2);
} else if (counter === 3) {
assert.strictEqual(msgFromChild, msg3);
child.kill();
done();
}
}
});
});
(!platform.isWindows || process.env['VSCODE_PID'] ? test.skip : test)('buffered sending - lots of data (potential deadlock on win32)', function (done: () => void) { // test is only relevant for Windows and seems to crash randomly on some Linux builds
const child = fork('vs/base/test/node/processes/fixtures/fork_large');
const sender = processes.createQueuedSender(child);
const largeObj = Object.create(null);
for (let i = 0; i < 10000; i++) {
largeObj[i] = 'some data';
}
const msg = JSON.stringify(largeObj);
child.on('message', msgFromChild => {
if (msgFromChild === 'ready') {
sender.send(msg);
sender.send(msg);
sender.send(msg);
} else if (msgFromChild === 'done') {
child.kill();
done();
}
});
});
});