fix: make hosted plugin support testable

Hide the concrete implementation behind an interface so that tests can
`require` it.

Signed-off-by: Akos Kitta <[email protected]>

Author: Akos Kitta

arduino-ide-extension/src/browser/arduino-ide-frontend-module.ts

@@ -271,8 +271,8 @@ import { MonitorModel } from './monitor-model';
 import { MonitorManagerProxyClientImpl } from './monitor-manager-proxy-client-impl';
 import { EditorManager as TheiaEditorManager } from '@theia/editor/lib/browser/editor-manager';
 import { EditorManager } from './theia/editor/editor-manager';
-import { HostedPluginEvents } from './hosted-plugin-events';
-import { HostedPluginSupport } from './theia/plugin-ext/hosted-plugin';
+import { HostedPluginEvents } from './hosted/hosted-plugin-events';
+import { HostedPluginSupportImpl } from './theia/plugin-ext/hosted-plugin';
 import { HostedPluginSupport as TheiaHostedPluginSupport } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
 import { Formatter, FormatterPath } from '../common/protocol/formatter';
 import { Format } from './contributions/format';
@@ -361,6 +361,7 @@ import { TerminalFrontendContribution as TheiaTerminalFrontendContribution } fro
 import { SelectionService } from '@theia/core/lib/common/selection-service';
 import { CommandService } from '@theia/core/lib/common/command';
 import { CorePreferences } from '@theia/core/lib/browser/core-preferences';
+import { HostedPluginSupport } from './hosted/hosted-plugin-support';
 
 // Hack to fix copy/cut/paste issue after electron version update in Theia.
 // https://github.com/eclipse-theia/theia/issues/12487
@@ -982,8 +983,9 @@ export default new ContainerModule((bind, unbind, isBound, rebind) => {
     })
     .inSingletonScope();
 
-  bind(HostedPluginSupport).toSelf().inSingletonScope();
-  rebind(TheiaHostedPluginSupport).toService(HostedPluginSupport);
+  bind(HostedPluginSupportImpl).toSelf().inSingletonScope();
+  bind(HostedPluginSupport).toService(HostedPluginSupportImpl);
+  rebind(TheiaHostedPluginSupport).toService(HostedPluginSupportImpl);
   bind(HostedPluginEvents).toSelf().inSingletonScope();
   bind(FrontendApplicationContribution).toService(HostedPluginEvents);
 

arduino-ide-extension/src/browser/contributions/debug.ts

@@ -1,6 +1,6 @@
 import { inject, injectable } from '@theia/core/shared/inversify';
 import { Event, Emitter } from '@theia/core/lib/common/event';
-import { HostedPluginSupport } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
+import { HostedPluginSupport } from '../hosted/hosted-plugin-support';
 import { ArduinoToolbar } from '../toolbar/arduino-toolbar';
 import { NotificationCenter } from '../notification-center';
 import {

arduino-ide-extension/src/browser/contributions/ino-language.ts

@@ -15,7 +15,7 @@ import {
 } from '../../common/protocol';
 import { CurrentSketch } from '../sketches-service-client-impl';
 import { BoardsServiceProvider } from '../boards/boards-service-provider';
-import { HostedPluginEvents } from '../hosted-plugin-events';
+import { HostedPluginEvents } from '../hosted/hosted-plugin-events';
 import { NotificationCenter } from '../notification-center';
 import { SketchContribution, URI } from './contribution';
 import { BoardsDataStore } from '../boards/boards-data-store';

arduino-ide-extension/src/browser/contributions/update-arduino-state.ts

@@ -1,7 +1,7 @@
 import { DisposableCollection } from '@theia/core/lib/common/disposable';
 import URI from '@theia/core/lib/common/uri';
 import { inject, injectable } from '@theia/core/shared/inversify';
-import { HostedPluginSupport } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
+import { HostedPluginSupport } from '../hosted/hosted-plugin-support';
 import type { ArduinoState } from 'vscode-arduino-api';
 import {
   BoardsService,

arduino-ide-extension/src/browser/hosted-plugin-events.ts renamed to arduino-ide-extension/src/browser/hosted/hosted-plugin-events.ts

@@ -1,7 +1,7 @@
 import { DisposableCollection, Emitter, Event } from '@theia/core';
 import { FrontendApplicationContribution } from '@theia/core/lib/browser';
 import { inject, injectable } from '@theia/core/shared/inversify';
-import { HostedPluginSupport } from './theia/plugin-ext/hosted-plugin';
+import { HostedPluginSupport } from './hosted-plugin-support';
 
 /**
  * Frontend contribution to watch VS Code extension start/stop events from Theia.

arduino-ide-extension/src/browser/hosted/hosted-plugin-support.ts

@@ -0,0 +1,14 @@
+import type { Event } from '@theia/core/lib/common/event';
+
+/*
+This implementation hides the default HostedPluginSupport implementation from Theia to be able to test it.
+Otherwise, the default implementation fails at require time due to the `import.meta` in the Theia plugin worker code.
+https://github.com/eclipse-theia/theia/blob/964f69ca3b3a5fb87ffa0177fb300b74ba0ca39f/packages/plugin-ext/src/hosted/browser/plugin-worker.ts#L30-L32
+*/
+
+export const HostedPluginSupport = Symbol('HostedPluginSupport');
+export interface HostedPluginSupport {
+  readonly didStart: Promise<void>;
+  readonly onDidLoad: Event<void>;
+  readonly onDidCloseConnection: Event<void>;
+}

arduino-ide-extension/src/browser/theia/monaco/monaco-theming-service.ts

@@ -20,7 +20,7 @@ import {
 } from '@theia/monaco/lib/browser/monaco-theming-service';
 import { MonacoThemeRegistry as TheiaMonacoThemeRegistry } from '@theia/monaco/lib/browser/textmate/monaco-theme-registry';
 import type { ThemeMix } from '@theia/monaco/lib/browser/textmate/monaco-theme-types';
-import { HostedPluginSupport } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
+import { HostedPluginSupport } from '../../hosted/hosted-plugin-support';
 import { ArduinoThemes, compatibleBuiltInTheme } from '../core/theming';
 import { WindowServiceExt } from '../core/window-service-ext';
 

arduino-ide-extension/src/browser/theia/plugin-ext/hosted-plugin.ts

@@ -5,9 +5,13 @@ import {
   PluginContributions,
   HostedPluginSupport as TheiaHostedPluginSupport,
 } from '@theia/plugin-ext/lib/hosted/browser/hosted-plugin';
+import { HostedPluginSupport } from '../../hosted/hosted-plugin-support';
 
 @injectable()
-export class HostedPluginSupport extends TheiaHostedPluginSupport {
+export class HostedPluginSupportImpl
+  extends TheiaHostedPluginSupport
+  implements HostedPluginSupport
+{
   private readonly onDidLoadEmitter = new Emitter<void>();
   private readonly onDidCloseConnectionEmitter = new Emitter<void>();
 

arduino-ide-extension/src/test/browser/board-service-provider.test.ts

@@ -15,7 +15,6 @@ import {
   DisposableCollection,
 } from '@theia/core/lib/common/disposable';
 import { MessageService } from '@theia/core/lib/common/message-service';
-import { MockLogger } from '@theia/core/lib/common/test/mock-logger';
 import { Container, ContainerModule } from '@theia/core/shared/inversify';
 import { expect } from 'chai';
 import { BoardsDataStore } from '../../browser/boards/boards-data-store';
@@ -31,7 +30,6 @@ import {
   PortIdentifierChangeEvent,
 } from '../../common/protocol/boards-service';
 import { NotificationServiceServer } from '../../common/protocol/notification-service';
-import { bindCommon, ConsoleLogger } from '../common/common-test-bindings';
 import {
   detectedPort,
   esp32S3DevModule,
@@ -414,11 +412,6 @@ describe('board-service-provider', () => {
         bind(WindowService).toConstantValue(<WindowService>{});
         bind(StorageService).toService(LocalStorageService);
         bind(BoardsServiceProvider).toSelf().inSingletonScope();
-        // IDE2's test console logger does not support `Loggable` arg.
-        // Rebind logger to suppress `[Function (anonymous)]` messages in tests when the storage service is initialized without `window.localStorage`.
-        // https://github.com/eclipse-theia/theia/blob/04c8cf07843ea67402131132e033cdd54900c010/packages/core/src/browser/storage-service.ts#L60
-        bind(MockLogger).toSelf().inSingletonScope();
-        rebind(ConsoleLogger).toService(MockLogger);
       })
     );
     return container;