chore(vscode): implementing ui testing

Author: benfdking

vscode/extension/src/test/extension.test.ts

@@ -12,4 +12,27 @@ suite('Extension Test Suite', () => {
     assert.strictEqual(-1, [1, 2, 3].indexOf(5))
     assert.strictEqual(-1, [1, 2, 3].indexOf(0))
   })
+
+  test('Lineage tab opens', async () => {
+    // Check if command exists
+    const allCommands = await vscode.commands.getCommands(true)
+    const hasLineageViewCommand = allCommands.includes(
+      'workbench.view.extension.lineage_view',
+    )
+
+    if (!hasLineageViewCommand) {
+      throw new Error('Lineage view command not found')
+    }
+    // Try to open the Lineage webview
+    await vscode.commands.executeCommand(
+      'workbench.view.extension.lineage_view',
+    )
+
+    // If command exists but fails, the test will fail with an exception
+    // Wait a bit for any async operations
+    await new Promise(resolve => setTimeout(resolve, 500))
+
+    // Success if no exception was thrown
+    assert.ok(true, 'Lineage view command executed without errors')
+  })
 })