Update option changes toast and switch their tests to jest

.vscode/extensions.json

@@ -1,6 +1,7 @@
 {
     "recommendations": [
         "dbaeumer.vscode-eslint",
-        "esbenp.prettier-vscode"
+        "esbenp.prettier-vscode",
+        "orta.vscode-jest"
     ]
 }

__mocks__/vscode.ts

@@ -0,0 +1,15 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscodeAdapter from '../src/vscodeAdapter';
+import { getFakeVsCode } from '../test/unitTests/fakes';
+
+// This module creates a manual mock for the vscode module for running in unit tests.
+// Jest will automatically pick this up as it is in the __mocks__ directory next to node_modules.
+
+// We can consider switching to an actual jest mock (instead of this manual fake) once we entirely
+// remove the old test framework (mocha/chai).
+const vscode: vscodeAdapter.vscode = getFakeVsCode();
+module.exports = vscode;

azure-pipelines.yml

@@ -39,8 +39,25 @@ stages:
       matrix:
         linux:
           demandsName: ImageOverride -equals Build.Ubuntu.2204.Amd64.Open
+        windows:
+          demandsName: ImageOverride -equals 1es-windows-2022-open
     pool:
       name: NetCore-Public
       demands: $(demandsName)
     steps:
     - template: azure-pipelines/test.yml
+
+- stage: Test_Omnisharp
+  displayName: Test Omnisharp
+  dependsOn: []
+  jobs:
+  - job: Test
+    strategy:
+      matrix:
+        linux:
+          demandsName: ImageOverride -equals Build.Ubuntu.2204.Amd64.Open
+    pool:
+      name: NetCore-Public
+      demands: $(demandsName)
+    steps:
+    - template: azure-pipelines/test-omnisharp.yml

azure-pipelines/test-omnisharp.yml

@@ -0,0 +1,26 @@
+steps:
+- checkout: self
+  clean: true
+  submodules: true
+  fetchTags: false
+  fetchDepth: 1
+
+- template: prereqs.yml
+
+- pwsh: |
+    if ($IsLinux) {
+      Write-Host "Activating screen emulation"
+      /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
+      $env:DISPLAY=':99.0'
+      Write-Host "Now running tests"
+    }
+
+    npm run omnisharptest
+  displayName: 🧪 Run unit and integration tests
+
+- task: PublishPipelineArtifact@1
+  condition: failed()
+  displayName: 'Upload integration test logs'
+  inputs:
+    targetPath: '$(Build.SourcesDirectory)/.vscode-test/user-data/logs'
+    artifactName: 'VSCode Test Logs ($(Agent.JobName)-$(System.JobAttempt))'

azure-pipelines/test.yml

@@ -15,7 +15,7 @@ steps:
       Write-Host "Now running tests"
     }
 
-    npm run omnisharptest
+    npm run test
   displayName: 🧪 Run unit and integration tests
 
 - task: PublishPipelineArtifact@1

jest.config.ts

@@ -0,0 +1,21 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import type { Config } from 'jest';
+
+const config: Config = {
+    verbose: true,
+    preset: 'ts-jest',
+    testEnvironment: 'node',
+    transformIgnorePatterns: ['/dist/.+\\.js'],
+    // We need to explicity ignore the out directory for modules - otherwise we'll get duplicate vscode module,
+    // the TS version from the __mocks__ directory and the compiled js version from the out directory.
+    modulePathIgnorePatterns: ['out'],
+    // Specify jest to only run tests in jest folders.
+    // We also have to include the __mocks__ folder.  That folder must be next to node_modules so we can't move it,
+    // but if we specify roots, jest won't automatically pick it up.  So we have to specify it here.
+    roots: ['<rootDir>/test/unitTests', '<rootDir>/omnisharptest/omnisharpJestTests', '<rootDir>/__mocks__'],
+};
+
+export default config;

l10n/bundle.l10n.json

@@ -118,11 +118,15 @@
   "View Debug Docs": "View Debug Docs",
   "Ignore": "Ignore",
   "Run and Debug: A valid browser is not installed": "Run and Debug: A valid browser is not installed",
+  "dotnet.server.useOmnisharp option has changed. Please reload the window to apply the change": "dotnet.server.useOmnisharp option has changed. Please reload the window to apply the change",
+  "Reload Window": "Reload Window",
+  "C# configuration has changed. Would you like to relaunch the Language Server with your changes?": "C# configuration has changed. Would you like to relaunch the Language Server with your changes?",
+  "Restart Language Server": "Restart Language Server",
   "Your workspace has multiple Visual Studio Solution files; please select one to get full IntelliSense.": "Your workspace has multiple Visual Studio Solution files; please select one to get full IntelliSense.",
   "Choose": "Choose",
   "Choose and set default": "Choose and set default",
   "Do not load any": "Do not load any",
-  "Restart Language Server": "Restart Language Server",
+  "C# configuration has changed. Would you like to reload the window to apply your changes?": "C# configuration has changed. Would you like to reload the window to apply your changes?",
   "pipeArgs must be a string or a string array type": "pipeArgs must be a string or a string array type",
   "Name not defined in current configuration.": "Name not defined in current configuration.",
   "Configuration \"{0}\" in launch.json does not have a {1} argument with {2} for remote process listing.": "Configuration \"{0}\" in launch.json does not have a {1} argument with {2} for remote process listing.",

omnisharptest/omnisharpIntegrationTests/logging/telemetryObserver.test.ts

@@ -18,7 +18,7 @@ import {
     ProjectConfiguration,
     TelemetryErrorEvent,
 } from '../../../src/omnisharp/loggingEvents';
-import { getNullTelemetryReporter } from '../../omnisharpUnitTests/testAssets/fakes';
+import { getNullTelemetryReporter } from '../../../test/unitTests/fakes';
 import { Package } from '../../../src/packageManager/package';
 import { PackageError } from '../../../src/packageManager/packageError';
 import { isNotNull } from '../../testUtil';

omnisharptest/omnisharpJestTests/optionChangeObserver.test.ts

@@ -0,0 +1,164 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { timeout } from 'rxjs/operators';
+import { from as observableFrom, Subject, BehaviorSubject } from 'rxjs';
+import { Options } from '../../src/shared/options';
+import { registerOmnisharpOptionChanges } from '../../src/omnisharp/omnisharpOptionChanges';
+
+import * as jestLib from '@jest/globals';
+import * as vscode from 'vscode';
+import { getVSCodeWithConfig, updateConfig } from '../../test/unitTests/fakes';
+
+jestLib.describe('OmniSharpConfigChangeObserver', () => {
+    let doClickOk: () => void;
+    let doClickCancel: () => void;
+    let signalCommandDone: () => void;
+    let commandDone: Promise<void> | undefined;
+    let infoMessage: string | undefined;
+    let invokedCommand: string | undefined;
+    let optionObservable: Subject<Options>;
+
+    jestLib.beforeEach(() => {
+        resetMocks();
+        optionObservable = new BehaviorSubject<Options>(Options.Read(vscode));
+        infoMessage = undefined;
+        invokedCommand = undefined;
+        commandDone = new Promise<void>((resolve) => {
+            signalCommandDone = () => {
+                resolve();
+            };
+        });
+        registerOmnisharpOptionChanges(optionObservable);
+    });
+
+    [
+        { config: 'omnisharp', section: 'path', value: 'somePath' },
+        { config: 'omnisharp', section: 'waitForDebugger', value: true },
+        { config: 'omnisharp', section: 'enableMsBuildLoadProjectsOnDemand', value: true },
+        { config: 'omnisharp', section: 'useModernNet', value: false },
+        { config: 'omnisharp', section: 'loggingLevel', value: 'verbose' },
+    ].forEach((elem) => {
+        jestLib.describe(`When the ${elem.config} ${elem.section} changes`, () => {
+            jestLib.beforeEach(() => {
+                jestLib.expect(infoMessage).toBe(undefined);
+                jestLib.expect(invokedCommand).toBe(undefined);
+                updateConfig(vscode, elem.config, elem.section, elem.value);
+                optionObservable.next(Options.Read(vscode));
+            });
+
+            jestLib.test(`The information message is shown`, async () => {
+                jestLib
+                    .expect(infoMessage)
+                    .toEqual(
+                        'C# configuration has changed. Would you like to relaunch the Language Server with your changes?'
+                    );
+            });
+
+            jestLib.test(
+                'Given an information message if the user clicks cancel, the command is not executed',
+                async () => {
+                    doClickCancel();
+                    const from = observableFrom(commandDone!).pipe(timeout(1));
+                    const fromPromise = from.toPromise();
+                    await jestLib.expect(fromPromise).rejects.toThrow();
+                    jestLib.expect(invokedCommand).toBe(undefined);
+                }
+            );
+
+            jestLib.test(
+                'Given an information message if the user clicks Reload, the command is executed',
+                async () => {
+                    doClickOk();
+                    await commandDone;
+                    jestLib.expect(invokedCommand).toEqual('o.restart');
+                }
+            );
+        });
+    });
+
+    [{ config: 'dotnet', section: 'server.useOmnisharp', value: true }].forEach((elem) => {
+        jestLib.describe(`When the ${elem.config} ${elem.section} changes`, () => {
+            jestLib.beforeEach(() => {
+                jestLib.expect(infoMessage).toBe(undefined);
+                jestLib.expect(invokedCommand).toBe(undefined);
+                updateConfig(vscode, elem.config, elem.section, elem.value);
+                optionObservable.next(Options.Read(vscode));
+            });
+
+            jestLib.test(`The information message is shown`, async () => {
+                jestLib
+                    .expect(infoMessage)
+                    .toEqual(
+                        'dotnet.server.useOmnisharp option has changed. Please reload the window to apply the change'
+                    );
+            });
+
+            jestLib.test(
+                'Given an information message if the user clicks cancel, the command is not executed',
+                async () => {
+                    doClickCancel();
+                    const from = observableFrom(commandDone!).pipe(timeout(1));
+                    const fromPromise = from.toPromise();
+                    await jestLib.expect(fromPromise).rejects.toThrow();
+                    jestLib.expect(invokedCommand).toBe(undefined);
+                }
+            );
+
+            jestLib.test(
+                'Given an information message if the user clicks Reload, the command is executed',
+                async () => {
+                    doClickOk();
+                    await commandDone;
+                    jestLib.expect(invokedCommand).toEqual('workbench.action.reloadWindow');
+                }
+            );
+        });
+    });
+
+    [
+        { config: 'csharp', section: 'disableCodeActions', value: true },
+        { config: 'csharp', section: 'testsCodeLens.enabled', value: false },
+        { config: 'omnisharp', section: 'referencesCodeLens.enabled', value: false },
+        { config: 'csharp', section: 'format.enable', value: false },
+        { config: 'omnisharp', section: 'useEditorFormattingSettings', value: false },
+        { config: 'omnisharp', section: 'maxProjectResults', value: 1000 },
+        { config: 'omnisharp', section: 'projectLoadTimeout', value: 1000 },
+        { config: 'omnisharp', section: 'autoStart', value: false },
+    ].forEach((elem) => {
+        jestLib.test(`Information Message is not shown on change in ${elem.config}.${elem.section}`, () => {
+            jestLib.expect(infoMessage).toBe(undefined);
+            jestLib.expect(invokedCommand).toBe(undefined);
+            updateConfig(vscode, elem.config, elem.section, elem.value);
+            optionObservable.next(Options.Read(vscode));
+            jestLib.expect(infoMessage).toBe(undefined);
+        });
+    });
+
+    function resetMocks() {
+        vscode.window.showInformationMessage = async <T>(message: string, ...items: T[]) => {
+            infoMessage = message;
+            return new Promise<T | undefined>((resolve) => {
+                doClickCancel = () => {
+                    resolve(undefined);
+                };
+
+                doClickOk = () => {
+                    resolve(items[0]);
+                };
+            });
+        };
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        //@ts-ignore
+        vscode.commands.executeCommand = async (command: string, ..._: any[]) => {
+            invokedCommand = command;
+            signalCommandDone();
+            return undefined;
+        };
+
+        // This has to be replaced before every test to ensure that the config is reset.
+        getVSCodeWithConfig(vscode);
+    }
+});

omnisharptest/omnisharpUnitTests/features/reportIssue.test.ts

@@ -3,7 +3,6 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { getFakeVsCode } from '../testAssets/fakes';
 import reportIssue from '../../../src/shared/reportIssue';
 import { expect } from 'chai';
 import { vscode } from '../../../src/vscodeAdapter';
@@ -12,6 +11,7 @@ import { FakeMonoResolver, fakeMonoInfo } from '../fakes/fakeMonoResolver';
 import { FakeDotnetResolver } from '../fakes/fakeDotnetResolver';
 import { DotnetInfo } from '../../../src/shared/utils/dotnetInfo';
 import { getEmptyOptions } from '../fakes/fakeOptions';
+import { getFakeVsCode } from '../../../test/unitTests/fakes';
 
 suite(`${reportIssue.name}`, () => {
     const vscodeVersion = 'myVersion';

omnisharptest/omnisharpUnitTests/logging/csharpChannelObserver.test.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { should, expect } from 'chai';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import { CsharpChannelObserver } from '../../../src/shared/observers/csharpChannelObserver';
 import {
     InstallationFailure,

omnisharptest/omnisharpUnitTests/logging/csharpLoggerObserver.test.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { should, expect } from 'chai';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import { CsharpLoggerObserver } from '../../../src/shared/observers/csharpLoggerObserver';
 import { PlatformInformation } from '../../../src/shared/platform';
 import * as Event from '../../../src/omnisharp/loggingEvents';

omnisharptest/omnisharpUnitTests/logging/dotnetChannelObserver.test.ts

@@ -5,7 +5,7 @@
 
 import { should, expect } from 'chai';
 import { DotNetChannelObserver } from '../../../src/observers/dotnetChannelObserver';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import { CommandDotNetRestoreStart } from '../../../src/omnisharp/loggingEvents';
 
 suite('DotnetChannelObserver', () => {

omnisharptest/omnisharpUnitTests/logging/dotnetLoggerObserver.test.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { should, expect } from 'chai';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import { DotnetLoggerObserver } from '../../../src/observers/dotnetLoggerObserver';
 import {
     CommandDotNetRestoreProgress,

omnisharptest/omnisharpUnitTests/logging/dotnetTestChannelObserver.test.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { expect } from 'chai';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import {
     BaseEvent,
     DotNetTestsInClassDebugStart,

omnisharptest/omnisharpUnitTests/logging/dotnetTestLoggerObserver.test.ts

@@ -5,7 +5,7 @@
 
 import * as chai from 'chai';
 import * as chaiString from 'chai-string';
-import { getNullChannel } from '../testAssets/fakes';
+import { getNullChannel } from '../../../test/unitTests/fakes';
 import {
     EventWithMessage,
     DotNetTestDebugWarning,

omnisharptest/omnisharpUnitTests/logging/errorMessageObserver.test.ts

@@ -5,7 +5,6 @@
 
 import { expect, should } from 'chai';
 import { vscode } from '../../../src/vscodeAdapter';
-import { getFakeVsCode } from '../testAssets/fakes';
 
 import { ErrorMessageObserver } from '../../../src/observers/errorMessageObserver';
 import {
@@ -15,6 +14,7 @@ import {
     EventWithMessage,
     IntegrityCheckFailure,
 } from '../../../src/omnisharp/loggingEvents';
+import { getFakeVsCode } from '../../../test/unitTests/fakes';
 
 suite('ErrorMessageObserver', () => {
     suiteSetup(() => should());

omnisharptest/omnisharpUnitTests/logging/informationMessageObserver.test.ts

@@ -6,7 +6,7 @@
 import { InformationMessageObserver } from '../../../src/observers/informationMessageObserver';
 import OptionProvider from '../../../src/shared/observers/optionProvider';
 import { expect, should } from 'chai';
-import { getUnresolvedDependenices, updateConfig, getVSCodeWithConfig } from '../testAssets/fakes';
+import { getUnresolvedDependenices, updateConfig, getVSCodeWithConfig } from '../../../test/unitTests/fakes';
 import { Subject, from as observableFrom } from 'rxjs';
 import { timeout } from 'rxjs/operators';
 import { Options } from '../../../src/shared/options';