allow to run plugin tests through the command line

src/vs/workbench/electron-main/env.ts

@@ -106,6 +106,9 @@ if (!fs.existsSync(userPluginsHome)) {
 	fs.mkdirSync(userPluginsHome);
 }
 
+// Helper to identify if we have plugin tests to run from the command line without debugger
+export const isTestingFromCli = cliArgs.pluginTestsPath && !cliArgs.debugBrkPluginHost;
+
 export function log(...a: any[]): void {
 	if (cliArgs.verboseLogging) {
 		console.log.apply(null, a);

src/vs/workbench/electron-main/lifecycle.ts

@@ -67,7 +67,8 @@ export class Lifecycle {
 
 			// Windows/Linux: we quit when all windows have closed
 			// Mac: we only quit when quit was requested
-			if (this.quitRequested || process.platform !== 'darwin') {
+			// Tests: we always quit
+			if (this.quitRequested || process.platform !== 'darwin' || env.isTestingFromCli) {
 				app.quit();
 			}
 		});

src/vs/workbench/electron-main/windows.ts

@@ -85,6 +85,11 @@ export interface IOpenedPathsList {
 	files: string[];
 }
 
+interface ILogEntry {
+	severity: string;
+	arguments: any;
+}
+
 export class WindowsManager {
 
 	public static autoSaveDelayStorageKey = 'autoSaveDelay';
@@ -121,7 +126,7 @@ export class WindowsManager {
 	}
 
 	private registerListeners(): void {
-		app.on('activate', (event:Event, hasVisibleWindows:boolean) => {
+		app.on('activate', (event: Event, hasVisibleWindows: boolean) => {
 			env.log('App#activate');
 
 			// Mac only event: reopen last window when we get activated
@@ -247,7 +252,19 @@ export class WindowsManager {
 			if (broadcast.channel && broadcast.payload) {
 				this.sendToAll('vscode:broadcast', broadcast, [windowId]);
 			}
-		})
+		});
+
+		ipc.on('vscode:log', (event: Event, logEntry: ILogEntry) => {
+			let args = [];
+			try {
+				let parsed = JSON.parse(logEntry.arguments);
+				args.push(...Object.getOwnPropertyNames(parsed).map(o => parsed[o]));
+			} catch (error) {
+				args.push(logEntry.arguments);
+			}
+
+			console[logEntry.severity].apply(console, args);
+		});
 
 		UpdateManager.on('update-downloaded', (update: IUpdate) => {
 			this.sendToFocused('vscode:telemetry', { eventName: 'update:downloaded', data: { version: update.version } });

src/vs/workbench/services/thread/electron-browser/threadService.ts

@@ -107,6 +107,7 @@ class PluginHostProcessManager {
 	public startPluginHostProcess(onPluginHostMessage: (msg: any) => void): void {
 		let config = this.contextService.getConfiguration();
 		let isDev = !config.env.isBuilt || !!config.env.pluginDevelopmentPath;
+		let isTestingFromCli = !!config.env.pluginTestsPath && !config.env.debugBrkPluginHost;
 
 		let opts: any = {
 			env: objects.mixin(objects.clone(process.env), { AMD_ENTRYPOINT: 'vs/workbench/node/pluginHostProcess', PIPE_LOGGING: 'true', VERBOSE_LOGGING: true })
@@ -184,11 +185,18 @@ class PluginHostProcessManager {
 							consoleArgs = ['%c[Plugin Host]', 'color: blue', ...args];
 						}
 
-						// Send to local console
-						console[logEntry.severity].apply(console, consoleArgs);
+						// Send to local console unless we run tests from cli
+						if (!isTestingFromCli) {
+							console[logEntry.severity].apply(console, consoleArgs);
+						}
+
+						// Log on main side if running tests from cli
+						if (isTestingFromCli) {
+							ipc.send('vscode:log', logEntry);
+						}
 
 						// Broadcast to other windows if we are in development mode
-						if (isDev) {
+						else if (isDev) {
 							this.windowService.broadcast({
 								channel: PLUGIN_LOG_BROADCAST_CHANNEL,
 								payload: logEntry