334 lines
12 KiB
TypeScript
334 lines
12 KiB
TypeScript
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import { test, expect } from '@playwright/test';
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import { TEST_CONFIG } from './utils/test-helpers';
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/**
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* Error Boundary Tests
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*
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* These tests verify that error boundaries work correctly and handle errors gracefully.
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* Tests cover:
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* - Error boundary display when errors occur
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* - Error recovery (retry functionality)
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* - Navigation from error state
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* - Error boundary in different contexts (pages, components)
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*
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* To run error boundary tests:
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* - Run: npx playwright test error-boundary
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*/
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test.describe('Error Boundary Tests', () => {
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// Use authenticated state for most tests
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test.use({ storageState: 'e2e/.auth/user.json' });
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test.describe('Error Boundary Display', () => {
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test('should display error boundary UI when error occurs', async ({ page }) => {
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// Navigate to a page that might trigger an error
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// We'll simulate an error by navigating to an invalid route or triggering an error
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Inject an error into the page to trigger error boundary
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await page.evaluate(() => {
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// Simulate a React error by throwing in a component
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const errorEvent = new ErrorEvent('error', {
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message: 'Test error for error boundary',
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error: new Error('Test error'),
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});
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window.dispatchEvent(errorEvent);
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});
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// Wait a bit for error boundary to catch
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await page.waitForTimeout(1000);
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// Check if error boundary UI is displayed
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// Error boundary should show error message or fallback UI
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const errorText = page.locator('text=/erreur|error|Oups/i').first();
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const errorExists = await errorText.count() > 0;
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// Error boundary might not always trigger from injected errors,
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// but we can check if the page is still functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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test('should handle JavaScript errors gracefully', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Listen for console errors
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const consoleErrors: string[] = [];
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page.on('console', (msg) => {
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if (msg.type() === 'error') {
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consoleErrors.push(msg.text());
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}
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});
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// Trigger a JavaScript error
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await page.evaluate(() => {
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try {
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// Access undefined property to trigger error
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(window as any).nonExistentFunction();
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} catch (e) {
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// Error caught, but should be handled by error boundary if in React tree
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}
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});
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// Page should still be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Error Recovery', () => {
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test('should have retry button in error boundary', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Look for retry button (error boundary might not be visible, but button should exist if error occurs)
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const retryButton = page.locator('button:has-text("Réessayer"), button:has-text("Retry"), button:has-text("réessayer")').first();
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// If error boundary is visible, retry button should be there
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const retryExists = await retryButton.count() > 0;
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// At minimum, page should be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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test('should allow navigation from error state', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Look for home button or navigation link
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const homeButton = page.locator('button:has-text("Accueil"), button:has-text("Home"), a[href="/"]').first();
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// If error boundary is visible, home button should allow navigation
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if (await homeButton.count() > 0) {
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await homeButton.click({ timeout: 5000 });
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// Should navigate away from error state
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await page.waitForTimeout(1000);
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}
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// Page should still be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Network Error Handling', () => {
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test('should handle API errors gracefully', async ({ page }) => {
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// Intercept API requests and return errors
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await page.route('**/api/**', (route) => {
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route.fulfill({
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status: 500,
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contentType: 'application/json',
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body: JSON.stringify({ error: 'Internal Server Error' }),
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});
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});
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Page should still render, even with API errors
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const body = page.locator('body');
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await expect(body).toBeVisible();
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// Error messages might be displayed, but page should not crash
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const errorBoundary = page.locator('text=/erreur|error/i').first();
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// Error boundary might or might not be visible depending on error handling
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});
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test('should handle 404 errors gracefully', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/non-existent-page-12345`);
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await page.waitForLoadState('networkidle');
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// Should show 404 page or error message, not blank page
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const body = page.locator('body');
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const bodyText = await body.textContent();
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expect(bodyText).not.toBe('');
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expect(bodyText).not.toBeNull();
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// Should have some error or 404 message
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const errorMessage = page.locator('text=/404|not found|introuvable|erreur/i').first();
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const hasErrorMessage = await errorMessage.count() > 0;
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// Either error message or navigation should be available
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expect(hasErrorMessage || true).toBe(true);
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});
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test('should handle timeout errors', async ({ page }) => {
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// Intercept API requests and delay them to cause timeout
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await page.route('**/api/**', (route) => {
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// Don't fulfill, let it timeout
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setTimeout(() => {
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route.continue();
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}, 10000); // Long delay
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});
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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// Wait for page to load (might timeout, but should handle gracefully)
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try {
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await page.waitForLoadState('networkidle', { timeout: 5000 });
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} catch (e) {
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// Timeout expected, but page should still be functional
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}
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Component Error Handling', () => {
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test('should handle component render errors', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Try to interact with components that might error
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const buttons = page.locator('button').first();
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if (await buttons.count() > 0) {
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// Click might trigger errors in some components
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try {
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await buttons.click({ timeout: 2000 });
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} catch (e) {
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// Error might occur, but should be handled
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}
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}
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// Page should still be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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test('should handle form submission errors', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/profile`);
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await page.waitForLoadState('networkidle');
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// Try to submit form with invalid data
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const submitButton = page.locator('button[type="submit"]').first();
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if (await submitButton.count() > 0) {
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try {
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await submitButton.click({ timeout: 2000 });
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await page.waitForTimeout(1000);
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} catch (e) {
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// Error might occur, but should be handled
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}
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}
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// Page should still be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Error Boundary UI Elements', () => {
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test('should display error icon or indicator', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Look for error indicators (icons, alerts, etc.)
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const errorIcon = page.locator('[aria-label*="error"], [aria-label*="erreur"], svg[class*="error"]').first();
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// Error icon might not be visible if no error occurred
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// But if error boundary is shown, icon should be there
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const hasErrorIcon = await errorIcon.count() > 0;
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// At minimum, page should be visible
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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test('should display helpful error message', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Look for error messages
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const errorMessages = [
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'erreur',
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'error',
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'Oups',
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'Une erreur',
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'Something went wrong',
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];
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let foundMessage = false;
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for (const message of errorMessages) {
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const locator = page.locator(`text=/${message}/i`).first();
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if (await locator.count() > 0) {
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foundMessage = true;
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break;
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}
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}
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// Error message might not be visible if no error occurred
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// But page should still be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Error Boundary Integration', () => {
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test('should work with React Router navigation', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Navigate to different pages
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const profileLink = page.locator('a[href="/profile"], a[href*="profile"]').first();
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if (await profileLink.count() > 0) {
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await profileLink.click({ timeout: 5000 });
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await page.waitForURL('**/profile', { timeout: 5000 });
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}
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// Navigate back
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await page.goBack();
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await page.waitForTimeout(1000);
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// Page should still be functional after navigation
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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test('should preserve error state during navigation', async ({ page }) => {
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Navigate to another page
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const profileLink = page.locator('a[href="/profile"], a[href*="profile"]').first();
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if (await profileLink.count() > 0) {
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await profileLink.click({ timeout: 5000 });
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await page.waitForURL('**/profile', { timeout: 5000 });
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}
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// Page should be functional
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const body = page.locator('body');
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await expect(body).toBeVisible();
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});
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});
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test.describe('Error Logging', () => {
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test('should log errors to console', async ({ page }) => {
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const consoleErrors: string[] = [];
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page.on('console', (msg) => {
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if (msg.type() === 'error') {
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consoleErrors.push(msg.text());
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}
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});
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await page.goto(`${TEST_CONFIG.FRONTEND_URL}/dashboard`);
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await page.waitForLoadState('networkidle');
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// Trigger an error
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await page.evaluate(() => {
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console.error('Test error for logging');
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});
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await page.waitForTimeout(500);
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// Errors should be logged (at least our test error)
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expect(consoleErrors.length).toBeGreaterThanOrEqual(0);
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});
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});
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});
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