feat(test): implement comprehensive Playwright test suite
- Add complete E2E test coverage for authentication flows - Implement component interaction and navigation testing - Create responsive design validation across viewports - Add theme switching and visual regression testing - Include smoke tests for critical user paths - Configure Playwright with proper test setup Test suite ensures application reliability with automated validation of user flows, accessibility, and visual consistency. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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reactrebuild0825/tests/theme.spec.ts
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316
reactrebuild0825/tests/theme.spec.ts
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import { test, expect, Page } from '@playwright/test';
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import path from 'path';
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const DEMO_ACCOUNTS = {
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admin: { email: 'admin@example.com', password: 'demo123' },
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};
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async function takeScreenshot(page: Page, name: string) {
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const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
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const fileName = `theme_${name}_${timestamp}.png`;
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await page.screenshot({
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path: path.join('screenshots', fileName),
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fullPage: true
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});
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return fileName;
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}
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async function loginAsAdmin(page: Page) {
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await page.goto('/login');
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await page.fill('[data-testid="email-input"]', DEMO_ACCOUNTS.admin.email);
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await page.fill('[data-testid="password-input"]', DEMO_ACCOUNTS.admin.password);
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await page.click('[data-testid="login-button"]');
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await expect(page).toHaveURL('/dashboard', { timeout: 10000 });
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}
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async function getThemeFromLocalStorage(page: Page) {
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return await page.evaluate(() => localStorage.getItem('bct_theme'));
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}
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async function getDocumentTheme(page: Page) {
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return await page.evaluate(() => document.documentElement.classList.contains('dark'));
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}
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test.describe('Theme Switching', () => {
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test.beforeEach(async ({ page }) => {
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// Clear theme storage
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await page.evaluate(() => {
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localStorage.removeItem('bct_theme');
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localStorage.removeItem('bct_auth_user');
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localStorage.removeItem('bct_auth_remember');
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});
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});
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test('should start with default light theme', async ({ page }) => {
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await page.goto('/');
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// Should start with light theme
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const isDark = await getDocumentTheme(page);
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expect(isDark).toBe(false);
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await takeScreenshot(page, 'default-light-theme');
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// Check theme toggle button shows correct state
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await expect(page.locator('[data-testid="theme-toggle"]')).toBeVisible();
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});
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test('should switch from light to dark theme', async ({ page }) => {
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await loginAsAdmin(page);
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// Verify starting in light theme
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let isDark = await getDocumentTheme(page);
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expect(isDark).toBe(false);
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await takeScreenshot(page, 'before-dark-switch');
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// Click theme toggle
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await page.click('[data-testid="theme-toggle"]');
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// Should switch to dark theme
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isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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// Verify theme is saved to localStorage
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const savedTheme = await getThemeFromLocalStorage(page);
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expect(savedTheme).toBe('dark');
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await takeScreenshot(page, 'after-dark-switch');
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// Check visual elements have dark theme classes
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await expect(page.locator('body')).toHaveClass(/dark/);
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});
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test('should switch from dark to light theme', async ({ page }) => {
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// Set dark theme initially
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await page.evaluate(() => {
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localStorage.setItem('bct_theme', 'dark');
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document.documentElement.classList.add('dark');
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});
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await loginAsAdmin(page);
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// Verify starting in dark theme
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let isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await takeScreenshot(page, 'before-light-switch');
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// Click theme toggle
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await page.click('[data-testid="theme-toggle"]');
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// Should switch to light theme
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isDark = await getDocumentTheme(page);
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expect(isDark).toBe(false);
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// Verify theme is saved to localStorage
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const savedTheme = await getThemeFromLocalStorage(page);
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expect(savedTheme).toBe('light');
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await takeScreenshot(page, 'after-light-switch');
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});
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test('should persist theme across page refreshes', async ({ page }) => {
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await loginAsAdmin(page);
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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let isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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// Refresh the page
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await page.reload();
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// Theme should persist
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isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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const savedTheme = await getThemeFromLocalStorage(page);
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expect(savedTheme).toBe('dark');
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await takeScreenshot(page, 'dark-theme-after-refresh');
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});
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test('should persist theme across navigation', async ({ page }) => {
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await loginAsAdmin(page);
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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await takeScreenshot(page, 'dark-theme-dashboard');
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// Navigate to events page
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await page.click('[data-testid="nav-events"]');
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await expect(page).toHaveURL('/events');
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// Theme should persist
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const isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await takeScreenshot(page, 'dark-theme-events-page');
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// Navigate back to dashboard
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await page.click('[data-testid="nav-dashboard"]');
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await expect(page).toHaveURL('/dashboard');
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// Theme should still persist
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const stillDark = await getDocumentTheme(page);
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expect(stillDark).toBe(true);
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await takeScreenshot(page, 'dark-theme-dashboard-return');
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});
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test('should apply theme to all components', async ({ page }) => {
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await loginAsAdmin(page);
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// Take screenshot in light theme
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await takeScreenshot(page, 'components-light-theme');
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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// Check that key components have theme applied
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await expect(page.locator('[data-testid="sidebar"]')).toHaveClass(/dark/);
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await expect(page.locator('[data-testid="header"]')).toHaveClass(/dark/);
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await expect(page.locator('[data-testid="main-content"]')).toHaveClass(/dark/);
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await takeScreenshot(page, 'components-dark-theme');
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});
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test('should handle system theme preference', async ({ page }) => {
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// Mock system preference for dark theme
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await page.emulateMedia({ colorScheme: 'dark' });
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await page.goto('/');
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// Should respect system preference
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await takeScreenshot(page, 'system-dark-preference');
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// Mock system preference for light theme
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await page.emulateMedia({ colorScheme: 'light' });
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await page.reload();
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await takeScreenshot(page, 'system-light-preference');
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});
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test('should show theme toggle with correct icon', async ({ page }) => {
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await loginAsAdmin(page);
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// In light theme, should show moon icon (to switch to dark)
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let isDark = await getDocumentTheme(page);
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expect(isDark).toBe(false);
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await expect(page.locator('[data-testid="theme-toggle"] [data-testid="moon-icon"]')).toBeVisible();
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await takeScreenshot(page, 'theme-toggle-light-mode');
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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// In dark theme, should show sun icon (to switch to light)
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isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await expect(page.locator('[data-testid="theme-toggle"] [data-testid="sun-icon"]')).toBeVisible();
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await takeScreenshot(page, 'theme-toggle-dark-mode');
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});
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test('should handle theme toggle keyboard interaction', async ({ page }) => {
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await loginAsAdmin(page);
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// Focus the theme toggle button
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await page.focus('[data-testid="theme-toggle"]');
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// Press Enter to toggle theme
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await page.keyboard.press('Enter');
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// Should switch to dark theme
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const isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await takeScreenshot(page, 'keyboard-theme-toggle');
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// Press Space to toggle back
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await page.keyboard.press('Space');
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// Should switch back to light theme
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const isLight = await getDocumentTheme(page);
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expect(isLight).toBe(false);
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});
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test('should maintain proper contrast ratios in both themes', async ({ page }) => {
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await loginAsAdmin(page);
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// Test light theme contrast
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await takeScreenshot(page, 'contrast-light-theme');
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// Check text is readable against background
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const lightTextColor = await page.locator('h1').evaluate((el) =>
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getComputedStyle(el).color
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);
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const lightBgColor = await page.locator('body').evaluate((el) =>
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getComputedStyle(el).backgroundColor
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);
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console.log('Light theme - Text:', lightTextColor, 'Background:', lightBgColor);
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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await takeScreenshot(page, 'contrast-dark-theme');
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// Check text is readable against background
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const darkTextColor = await page.locator('h1').evaluate((el) =>
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getComputedStyle(el).color
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);
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const darkBgColor = await page.locator('body').evaluate((el) =>
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getComputedStyle(el).backgroundColor
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);
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console.log('Dark theme - Text:', darkTextColor, 'Background:', darkBgColor);
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});
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test('should handle rapid theme switching', async ({ page }) => {
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await loginAsAdmin(page);
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// Rapidly toggle theme multiple times
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for (let i = 0; i < 5; i++) {
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await page.click('[data-testid="theme-toggle"]');
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await page.waitForTimeout(100); // Small delay to see the transition
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}
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// Should end up in dark theme (odd number of clicks)
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const isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await takeScreenshot(page, 'rapid-theme-switching-end');
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// Theme should be saved correctly
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const savedTheme = await getThemeFromLocalStorage(page);
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expect(savedTheme).toBe('dark');
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});
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test('should handle theme on login page', async ({ page }) => {
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await page.goto('/login');
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// Theme toggle should be available on login page
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await expect(page.locator('[data-testid="theme-toggle"]')).toBeVisible();
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await takeScreenshot(page, 'login-page-light-theme');
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// Switch to dark theme
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await page.click('[data-testid="theme-toggle"]');
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const isDark = await getDocumentTheme(page);
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expect(isDark).toBe(true);
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await takeScreenshot(page, 'login-page-dark-theme');
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// Login should maintain theme
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await page.fill('[data-testid="email-input"]', DEMO_ACCOUNTS.admin.email);
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await page.fill('[data-testid="password-input"]', DEMO_ACCOUNTS.admin.password);
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await page.click('[data-testid="login-button"]');
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await expect(page).toHaveURL('/dashboard', { timeout: 10000 });
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// Theme should persist after login
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const stillDark = await getDocumentTheme(page);
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expect(stillDark).toBe(true);
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await takeScreenshot(page, 'dashboard-after-login-dark-theme');
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});
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});
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