Add tests for liveshare target.

Author: JoeRobich

src/omnisharp/launcher.ts

@@ -74,7 +74,7 @@ export async function findLaunchTargets(options: Options): Promise<LaunchTarget[
     return resourcesToLaunchTargets(projectFiles.concat(csFiles));
 }
 
-function resourcesToLaunchTargets(resources: vscode.Uri[]): LaunchTarget[] {
+export function resourcesToLaunchTargets(resources: vscode.Uri[]): LaunchTarget[] {
     // The list of launch targets is calculated like so:
     //   * If there are .csproj files, .sln files are considered as launch targets.
     //   * Any project.json file is considered a launch target.

test/integrationTests/launcher.test.ts

@@ -0,0 +1,41 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import { assert } from "chai";
+import { resourcesToLaunchTargets, vsls, vslsTarget } from "../../src/omnisharp/launcher";
+
+const chai = require('chai');
+chai.use(require('chai-arrays'));
+chai.use(require('chai-fs'));
+
+suite(`launcher:`, () => {
+
+    test(`Returns the LiveShare launch target when processing vsls resources`, () => {
+        const testResources: vscode.Uri[] = [
+            vscode.Uri.parse(`${vsls}:/test.sln`),
+            vscode.Uri.parse(`${vsls}:/test/test.csproj`),
+            vscode.Uri.parse(`${vsls}:/test/Program.cs`),
+        ];
+
+        const launchTargets = resourcesToLaunchTargets(testResources);
+
+        const liveShareTarget = launchTargets.find(target => target === vslsTarget);
+        assert.exists(liveShareTarget, "Launch targets was not the Visual Studio Live Share target.");
+    });
+
+    test(`Does not return the LiveShare launch target when processing local resources`, () => {
+        const testResources: vscode.Uri[] = [
+            vscode.Uri.parse(`/test.sln`),
+            vscode.Uri.parse(`/test/test.csproj`),
+            vscode.Uri.parse(`/test/Program.cs`),
+        ];
+
+        const launchTargets = resourcesToLaunchTargets(testResources);
+
+        const liveShareTarget = launchTargets.find(target => target === vslsTarget);
+        assert.notExists(liveShareTarget, "Launch targets contained the Visual Studio Live Share target.");
+    });
+});