Test for run plugin task command

Will mock to verify correct command is called

Issue: #1230

src/commands.ts

@@ -74,6 +74,7 @@ export enum Commands {
     RESET_PACKAGE = "swift.resetPackage",
     USE_LOCAL_DEPENDENCY = "swift.useLocalDependency",
     UNEDIT_DEPENDENCY = "swift.uneditDependency",
+    RUN_PLUGIN_TASK = "swift.runPluginTask",
 }
 
 /**
@@ -112,7 +113,7 @@ export function register(ctx: WorkspaceContext): vscode.Disposable[] {
         }),
         vscode.commands.registerCommand("swift.runSnippet", () => runSnippet(ctx)),
         vscode.commands.registerCommand("swift.debugSnippet", () => debugSnippet(ctx)),
-        vscode.commands.registerCommand("swift.runPluginTask", () => runPluginTask()),
+        vscode.commands.registerCommand(Commands.RUN_PLUGIN_TASK, () => runPluginTask()),
         vscode.commands.registerCommand("swift.restartLSPServer", () =>
             ctx.languageClientManager.restart()
         ),

test/integration-tests/commands/runPluginTask.test.ts

@@ -0,0 +1,39 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the VS Code Swift open source project
+//
+// Copyright (c) 2024 the VS Code Swift project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of VS Code Swift project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import * as vscode from "vscode";
+import { mockGlobalObject } from "../../MockUtils";
+import { expect } from "chai";
+import { activateExtensionForSuite, folderInRootWorkspace } from "../utilities/testutilities";
+import { Commands } from "../../../src/commands";
+
+suite("runPluginTask Test Suite", () => {
+    const executeCommand = vscode.commands.executeCommand;
+    const commandsMock = mockGlobalObject(vscode, "commands");
+
+    activateExtensionForSuite({
+        async setup(ctx) {
+            await folderInRootWorkspace("command-plugin", ctx);
+        },
+    });
+
+    test("Executes runTask command", async () => {
+        executeCommand(Commands.RUN_PLUGIN_TASK);
+
+        expect(commandsMock.executeCommand).to.have.been.calledOnceWith(
+            "workbench.action.tasks.runTask",
+            { type: "swift-plugin" }
+        );
+    });
+});