Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/base/test/node/processes/processes.test.ts

@@ -0,0 +1,87 @@
+/*---------------------------------------------------------------------------------------------
+ *  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/common/amd';
+
+function fork(id: string): cp.ChildProcess {
+	const opts: any = {
+		env: objects.mixin(objects.deepClone(process.env), {
+			AMD_ENTRYPOINT: id,
+			PIPE_LOGGING: 'true',
+			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.equal(msgFromChild, msg1);
+				} else if (counter === 2) {
+					assert.equal(msgFromChild, msg2);
+				} else if (counter === 3) {
+					assert.equal(msgFromChild, msg3);
+
+					child.kill();
+					done();
+				}
+			}
+		});
+	});
+
+	test('buffered sending - lots of data (potential deadlock on win32)', function (done: () => void) {
+		if (!platform.isWindows || process.env['VSCODE_PID']) {
+			return done(); // 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();
+			}
+		});
+	});
+});