tests

saraia/__tests__/app/Homepage.tsx

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+import {render} from '@testing-library/react';
+import {screen} from '@testing-library/react';
+import Home from '@/app/page'
+it('renders home page', () => {
+    render(<Home/>)
+    expect(screen.getByText('Get started by editing app/page.tsx')).toBeInTheDocument
+});

saraia/jest.config.ts

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+import type { Config } from 'jest'
+import nextJest from 'next/jest.js'
+
+const createJestConfig = nextJest({
+  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
+  dir: './',
+})
+
+// Add any custom config to be passed to Jest
+const config: Config = {
+  coverageProvider: 'v8',
+  testEnvironment: 'jsdom',
+  // Add more setup options before each test is run
+   setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
+   preset: 'ts-jest'
+}
+
+// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
+export default createJestConfig(config)

saraia/jest.setup.ts

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+import '@testing-library/jest-dom'