Add test for file upload

tests/README.md

@@ -20,6 +20,7 @@ Verify functional correctness, route parameters, drawer side-panels, dynamic aut
 *   **[embedded.spec.ts](embedded.spec.ts)**: Tests embedded iframe operations using virtual server postMessage listeners to execute proper parent-child synchronizations.
 *   **[intro.spec.ts](intro.spec.ts)**: Checks base landing layouts, instructions panels, menu existence, and responsive header navigation buttons.
 *   **[search.spec.ts](search.spec.ts)**: Targets autocompletion components using robust search locators to verify input debouncing and focus updates.
+*   **[upload.spec.ts](upload.spec.ts)**: Validates uploading raw GEDCOM files from the local filesystem, asserting navigation transitions, state parsing, and virtual tree renderings.
 *   **[webmcp.spec.ts](webmcp.spec.ts)**: Evaluates out-of-process browser calls from Model Context Protocol tool registrations and action assertions.
 
 ### 2. Visual Regression / Screenshot Specs

tests/upload.spec.ts

@@ -0,0 +1,20 @@
+import {expect, test} from '@playwright/test';
+import {setupHermeticEnvironment} from './helpers';
+
+test.describe('File upload', () => {
+  test.beforeEach(async ({page, context}) => {
+    await setupHermeticEnvironment(context);
+    await page.goto('/');
+  });
+
+  test('uploads a GEDCOM file and displays the tree', async ({page}) => {
+    // Set the test GEDCOM file to the hidden file input.
+    await page.setInputFiles('#fileInput', 'src/datasource/testdata/test.ged');
+
+    // Assert that we navigated to the view page.
+    await expect(page).toHaveURL(/.*\/view.*/);
+
+    // Verify that the chart content loads properly (e.g. contains the name 'Bonifacy').
+    await expect(page.locator('#content')).toContainText('Bonifacy');
+  });
+});