Adds a hover integration test

Author: maryamariyan

test/razorIntegrationTests/hover.integration.tests.ts

@@ -0,0 +1,51 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as path from 'path';
+import * as vscode from 'vscode';
+import * as jestLib from '@jest/globals';
+import testAssetWorkspace from './testAssets/testAssetWorkspace';
+import * as integrationHelpers from '../integrationTests/integrationHelpers';
+
+jestLib.describe(`Razor Hover ${testAssetWorkspace.description}`, function () {
+    jestLib.beforeAll(async function () {
+        if (!integrationHelpers.isRazorWorkspace(vscode.workspace)) {
+            return;
+        }
+
+        await integrationHelpers.openFileInWorkspaceAsync(path.join('Pages', 'Index.cshtml'));
+        await integrationHelpers.activateCSharpExtension();
+    });
+
+    jestLib.afterAll(async () => {
+        await testAssetWorkspace.cleanupWorkspace();
+    });
+
+    jestLib.test('Tag Helper Hover', async () => {
+        if (!integrationHelpers.isRazorWorkspace(vscode.workspace)) {
+            return;
+        }
+
+        const activeDocument = vscode.window.activeTextEditor?.document.uri;
+        if (!activeDocument) {
+            throw new Error('No active document');
+        }
+
+        const hover = <vscode.Hover[]>await vscode.commands.executeCommand(
+            'vscode.executeHoverProvider',
+            activeDocument,
+            {
+                line: 7,
+                character: 16,
+            }
+        );
+
+        jestLib.expect(hover).toBeDefined();
+
+        jestLib.expect(hover.length).toBe(1);
+        const first = hover[0];
+        jestLib.expect(first.contents).toContain('The h1 element represents a section heading.');
+    });
+});