Merge pull request 'test: integrate testing library' (#56)

Reviewed-on: #56
Reviewed-by: Maximilian Liebmann <lima@noreply.git.dominikstahl.dev>

.env.test

@@ -0,0 +1,6 @@
+AUTH_SECRET="auth_secret"
+AUTH_URL="http://127.0.0.1:3000"
+HOSTNAME="127.0.0.1"
+DATABASE_URL="file:/tmp/dev.db"
+AUTH_AUTHENTIK_ID="id"
+AUTH_AUTHENTIK_ISSUER="issuer"

.github/workflows/tests.yml

@@ -0,0 +1,34 @@
+name: tests
+on:
+  push:
+    branches:
+      - main
+      - renovate/*
+  pull_request:
+jobs:
+  tests:
+    name: Tests
+    runs-on: docker
+    container:
+      image: cypress/browsers:latest
+      options: --user 1001
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+
+      - name: Enable corepack
+        run: corepack enable
+
+      - name: Cypress run (e2e)
+        uses: https://github.com/cypress-io/github-action@v6
+        with:
+          build: yarn cypress:build
+          start: yarn cypress:start_server
+          e2e: true
+          wait-on: 'http://127.0.0.1:3000'
+
+      - name: Cypress run (component)
+        uses: https://github.com/cypress-io/github-action@v6
+        with:
+          component: true
+          install: false

.gitignore

@@ -33,6 +33,7 @@ yarn-error.log*
 # env files (can opt-in for committing if needed)
 .env*
 !.env.example
+!.env.test
 
 # vercel
 .vercel
@@ -45,3 +46,8 @@ next-env.d.ts
 /prisma/*.db*
 src/generated/*
 data
+
+# cypress
+cypress/videos
+cypress/screenshots
+cypress/coverage

cypress.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from 'cypress';
+
+export default defineConfig({
+  component: {
+    devServer: {
+      framework: 'next',
+      bundler: 'webpack',
+    },
+  },
+
+  e2e: {
+    setupNodeEvents(on, config) {
+      // implement node event listeners here
+    },
+  },
+});

cypress/e2e/auth-user.ts

@@ -0,0 +1,12 @@
+export default function authUser() {
+  cy.visit('http://127.0.0.1:3000/login');
+  cy.getBySel('login-header').should('exist');
+  cy.getBySel('login-form').should('exist');
+  cy.getBySel('email-input').should('exist');
+  cy.getBySel('password-input').should('exist');
+  cy.getBySel('login-button').should('exist');
+  cy.getBySel('email-input').type('cypress@example.com');
+  cy.getBySel('password-input').type('Password123!');
+  cy.getBySel('login-button').click();
+  cy.url().should('include', '/home');
+}

cypress/e2e/event-create.cy.ts

@@ -0,0 +1,9 @@
+import authUser from './auth-user';
+
+describe('event creation', () => {
+  it('loads', () => {
+    authUser();
+
+    // cy.visit('http://127.0.0.1:3000/events/new'); // TODO: Add event creation tests
+  });
+});

cypress/e2e/login.cy.ts

@@ -0,0 +1,45 @@
+describe('login and register', () => {
+  it('loads', () => {
+    cy.visit('http://127.0.0.1:3000/');
+
+    cy.getBySel('login-header').should('exist');
+  });
+
+  it('shows register form', () => {
+    cy.visit('http://127.0.0.1:3000/');
+
+    cy.getBySel('register-switch').click();
+
+    cy.getBySel('register-form').should('exist');
+    cy.getBySel('first-name-input').should('exist');
+    cy.getBySel('last-name-input').should('exist');
+    cy.getBySel('email-input').should('exist');
+    cy.getBySel('username-input').should('exist');
+    cy.getBySel('password-input').should('exist');
+    cy.getBySel('confirm-password-input').should('exist');
+    cy.getBySel('register-button').should('exist');
+  });
+
+  it('allows to register', async () => {
+    cy.visit('http://127.0.0.1:3000/');
+
+    cy.getBySel('register-switch').click();
+
+    cy.getBySel('first-name-input').type('Test');
+    cy.getBySel('last-name-input').type('User');
+    cy.getBySel('email-input').type('test@example.com');
+    cy.getBySel('username-input').type('testuser');
+    cy.getBySel('password-input').type('Password123!');
+    cy.getBySel('confirm-password-input').type('Password123!');
+    cy.getBySel('register-button').click();
+    cy.getBySel('login-header').should('exist');
+    cy.getBySel('login-form').should('exist');
+    cy.getBySel('email-input').should('exist');
+    cy.getBySel('password-input').should('exist');
+    cy.getBySel('login-button').should('exist');
+    cy.getBySel('email-input').type('test@example.com');
+    cy.getBySel('password-input').type('Password123!');
+    cy.getBySel('login-button').click();
+    cy.url().should('include', '/home');
+  });
+});

cypress/e2e/seed.ts

@@ -0,0 +1,29 @@
+import { PrismaClient } from '../../src/generated/prisma';
+
+const prisma = new PrismaClient();
+
+export default async function requireUser() {
+  await prisma.$transaction(async (tx) => {
+    const { id } = await tx.user.create({
+      data: {
+        email: 'cypress@example.com',
+        name: 'cypress',
+        password_hash:
+          '$2a$10$FmkVRHXzMb63dLHHwG1mDOepZJirL.U964wU/3Xr7cFis8XdRh8sO',
+        first_name: 'Cypress',
+        last_name: 'Tester',
+        emailVerified: new Date(),
+      },
+    });
+
+    await tx.account.create({
+      data: {
+        userId: id,
+        type: 'credentials',
+        provider: 'credentials',
+        providerAccountId: id,
+      },
+    });
+  });
+}
+requireUser();

cypress/support/commands.ts

@@ -0,0 +1,62 @@
+/// <reference types="cypress" />
+// ***********************************************
+// This example commands.ts shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })
+//
+// declare global {
+//   namespace Cypress {
+//     interface Chainable {
+//       login(email: string, password: string): Chainable<void>
+//       drag(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
+//       dismiss(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
+//       visit(originalFn: CommandOriginalFn, url: string, options: Partial<VisitOptions>): Chainable<Element>
+//     }
+//   }
+// }
+
+Cypress.Commands.add('getBySel', (selector, ...args) => {
+  return cy.get(`[data-cy=${selector}]`, ...args);
+});
+
+Cypress.Commands.add('getBySelLike', (selector, ...args) => {
+  return cy.get(`[data-cy*=${selector}]`, ...args);
+});
+
+declare global {
+  namespace Cypress {
+    interface Chainable {
+      getBySel(
+        selector: string,
+        ...args: any[]
+      ): Chainable<JQuery<HTMLElement>>;
+      getBySelLike(
+        selector: string,
+        ...args: any[]
+      ): Chainable<JQuery<HTMLElement>>;
+    }
+  }
+}
+
+export {};

cypress/support/component-index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta name="viewport" content="width=device-width,initial-scale=1.0" />
+    <title>Components App</title>
+    <!-- Used by Next.js to inject CSS. -->
+    <div id="__next_css__DO_NOT_USE__"></div>
+  </head>
+  <body>
+    <div data-cy-root></div>
+  </body>
+</html>

cypress/support/component.ts

@@ -0,0 +1,38 @@
+// ***********************************************************
+// This example support/component.ts is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+import '@/app/globals.css';
+
+// Import commands.js using ES2015 syntax:
+import './commands';
+
+import { mount } from 'cypress/react';
+
+// Augment the Cypress namespace to include type definitions for
+// your custom command.
+// Alternatively, can be defined in cypress/support/component.d.ts
+// with a <reference path="./component" /> at the top of your spec.
+declare global {
+  namespace Cypress {
+    interface Chainable {
+      mount: typeof mount;
+    }
+  }
+}
+
+Cypress.Commands.add('mount', mount);
+
+// Example use:
+// cy.mount(<MyComponent />)

cypress/support/e2e.ts

@@ -0,0 +1,17 @@
+// ***********************************************************
+// This example support/e2e.ts is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';

exportSwagger.ts

@@ -22,16 +22,15 @@ async function exportSwagger() {
   );
 
   await Promise.all(
-    filesToImport.map((file) => {
-      return import(file)
-        .then((module) => {
-          if (module.default) {
-            module.default(registry);
-          }
-        })
-        .catch((error) => {
-          console.error(`Error importing ${file}:`, error);
-        });
+    filesToImport.map(async (file) => {
+      try {
+        const moduleImp = await import(file);
+        if (moduleImp.default) {
+          moduleImp.default(registry);
+        }
+      } catch (error) {
+        console.error(`Error importing ${file}:`, error);
+      }
     }),
   );
 

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "dev": "next dev --turbopack",
     "build": "prettier --check . && next build",
-    "start": "next start",
+    "start": "node .next/standalone/server.js",
     "lint": "next lint",
     "format": "prettier --write .",
     "prisma:migrate": "dotenv -e .env.local -- prisma migrate dev",
@@ -15,7 +15,11 @@
     "prisma:migrate:reset": "dotenv -e .env.local -- prisma migrate reset",
     "dev_container": "docker compose -f docker-compose.dev.yml up --watch --build",
     "swagger:generate": "ts-node -r tsconfig-paths/register exportSwagger.ts",
-    "orval:generate": "orval"
+    "orval:generate": "orval",
+    "cypress:build": "rm -rf /tmp/dev.db && DATABASE_URL=\"file:/tmp/dev.db\" yarn prisma:generate && yarn swagger:generate && yarn orval:generate && DATABASE_URL=\"file:/tmp/dev.db\" yarn prisma:db:push && prettier --check . && NODE_ENV=test next build",
+    "cypress:start_server": "DATABASE_URL=\"file:/tmp/dev.db\" ts-node cypress/e2e/seed.ts && cp .env.test .next/standalone && cp public .next/standalone/ -r && cp .next/static/ .next/standalone/.next/ -r && NODE_ENV=test HOSTNAME=\"0.0.0.0\" dotenv -e .env.test -- node .next/standalone/server.js",
+    "cypress:open": "cypress open",
+    "cypress:run": "cypress run"
   },
   "dependencies": {
     "@asteasolutions/zod-to-openapi": "^8.0.0-beta.4",
@@ -63,6 +67,7 @@
     "@types/react-dom": "19.1.6",
     "@types/swagger-ui-react": "5",
     "@types/webpack-env": "1.18.8",
+    "cypress": "14.5.0",
     "dotenv-cli": "8.0.0",
     "eslint": "9.29.0",
     "eslint-config-next": "15.3.4",

src/app/login/page.tsx

@@ -33,7 +33,10 @@ export default async function LoginPage() {
         </div>
         <div className='mt-auto mb-auto'>
           <Card className='w-[350px] max-w-screen;'>
-            <CardHeader className='grid place-items-center'>
+            <CardHeader
+              className='grid place-items-center'
+              data-cy='login-header'
+            >
               <Logo colorType='colored' logoType='secondary'></Logo>
             </CardHeader>
             <CardContent className='gap-6 flex flex-col items-center'>
@@ -46,6 +49,7 @@ export default async function LoginPage() {
                   key={provider.id}
                   provider={provider.id}
                   providerDisplayName={provider.name}
+                  data-cy={'sso-login-button_' + provider.name.toLowerCase()}
                 />
               ))}
             </CardContent>

src/components/buttons/sso-login-button.tsx

@@ -5,10 +5,11 @@ import { faOpenid } from '@fortawesome/free-brands-svg-icons';
 export default function SSOLogin({
   provider,
   providerDisplayName,
+  ...props
 }: {
   provider: string;
   providerDisplayName: string;
-}) {
+} & React.HTMLAttributes<HTMLButtonElement>) {
   return (
     <form
       className='flex flex-col items-center w-full'
@@ -22,6 +23,7 @@ export default function SSOLogin({
         type='submit'
         variant='secondary'
         icon={faOpenid}
+        {...props}
       >
         Login with {providerDisplayName}
       </IconButton>

src/components/forms/login-form.tsx

@@ -48,13 +48,18 @@ function LoginFormElement({
   });
 
   return (
-    <form className='flex flex-col gap-5 w-full' onSubmit={onSubmit}>
+    <form
+      className='flex flex-col gap-5 w-full'
+      onSubmit={onSubmit}
+      data-cy='login-form'
+    >
       <LabeledInput
         type='text'
         label='E-Mail or Username'
         placeholder='What you are known as'
         error={formState.errors.email?.message}
         {...register('email')}
+        data-cy='email-input'
       />
       <LabeledInput
         type='password'
@@ -62,9 +67,10 @@ function LoginFormElement({
         placeholder="Let's hope you remember it"
         error={formState.errors.password?.message}
         {...register('password')}
+        data-cy='password-input'
       />
       <div className='grid grid-rows-2 gap-2'>
-        <Button type='submit' variant='primary'>
+        <Button type='submit' variant='primary' data-cy='login-button'>
           Login
         </Button>
         <Button
@@ -74,6 +80,7 @@ function LoginFormElement({
             formRef?.current?.reset();
             setIsSignUp((v) => !v);
           }}
+          data-cy='register-switch'
         >
           Sign Up
         </Button>
@@ -129,6 +136,7 @@ function RegisterFormElement({
       ref={formRef}
       className='flex flex-col gap-5 w-full'
       onSubmit={onSubmit}
+      data-cy='register-form'
     >
       <LabeledInput
         type='text'
@@ -137,6 +145,7 @@ function RegisterFormElement({
         autocomplete='given-name'
         error={formState.errors.firstName?.message}
         {...register('firstName')}
+        data-cy='first-name-input'
       />
       <LabeledInput
         type='text'
@@ -145,6 +154,7 @@ function RegisterFormElement({
         autocomplete='family-name'
         error={formState.errors.lastName?.message}
         {...register('lastName')}
+        data-cy='last-name-input'
       />
       <LabeledInput
         type='email'
@@ -153,6 +163,7 @@ function RegisterFormElement({
         autocomplete='email'
         error={formState.errors.email?.message}
         {...register('email')}
+        data-cy='email-input'
       />
       <LabeledInput
         type='text'
@@ -161,6 +172,7 @@ function RegisterFormElement({
         autocomplete='username'
         error={formState.errors.username?.message}
         {...register('username')}
+        data-cy='username-input'
       />
       <LabeledInput
         type='password'
@@ -169,6 +181,7 @@ function RegisterFormElement({
         autocomplete='new-password'
         error={formState.errors.password?.message}
         {...register('password')}
+        data-cy='password-input'
       />
       <LabeledInput
         type='password'
@@ -177,9 +190,10 @@ function RegisterFormElement({
         autocomplete='new-password'
         error={formState.errors.confirmPassword?.message}
         {...register('confirmPassword')}
+        data-cy='confirm-password-input'
       />
       <div className='grid grid-rows-2 gap-2'>
-        <Button type='submit' variant='primary'>
+        <Button type='submit' variant='primary' data-cy='register-button'>
           Sign Up
         </Button>
         <Button

src/components/misc/theme-picker.cy.tsx

@@ -0,0 +1,41 @@
+import React from 'react';
+import { ThemePicker } from '@/components/misc/theme-picker';
+import { ThemeProvider } from '@/components/wrappers/theme-provider';
+
+describe('<ThemePicker />', () => {
+  it('renders', () => {
+    cy.mount(<ThemePicker />);
+  });
+
+  it('toggle open and close', () => {
+    cy.mount(<ThemePicker />);
+    cy.getBySel('theme-picker').click();
+    cy.getBySel('theme-picker-content').should('exist');
+    cy.get('html').click();
+    cy.getBySel('theme-picker-content').should('not.exist');
+  });
+
+  it('enable dark mode', () => {
+    cy.mount(
+      <ThemeProvider>
+        <ThemePicker />
+      </ThemeProvider>,
+    );
+
+    cy.getBySel('theme-picker').click();
+    cy.getBySel('dark-theme').click();
+    cy.get('html').should('have.attr', 'data-theme', 'dark');
+  });
+
+  it('enable light mode', () => {
+    cy.mount(
+      <ThemeProvider>
+        <ThemePicker />
+      </ThemeProvider>,
+    );
+
+    cy.getBySel('theme-picker').click();
+    cy.getBySel('light-theme').click();
+    cy.get('html').should('have.attr', 'data-theme', 'light');
+  });
+});

src/components/misc/theme-picker.tsx

@@ -18,20 +18,26 @@ export function ThemePicker() {
   return (
     <DropdownMenu>
       <DropdownMenuTrigger asChild>
-        <Button variant='outline_primary' size='icon'>
+        <Button variant='outline_primary' size='icon' data-cy='theme-picker'>
           <Sun className='h-[1.2rem] w-[1.2rem] rotate-0 scale-100 transition-all dark:-rotate-90 dark:scale-0' />
           <Moon className='absolute h-[1.2rem] w-[1.2rem] rotate-90 scale-0 transition-all dark:rotate-0 dark:scale-100' />
           <span className='sr-only'>Toggle theme</span>
         </Button>
       </DropdownMenuTrigger>
-      <DropdownMenuContent align='end'>
-        <DropdownMenuItem onClick={() => setTheme('light')}>
+      <DropdownMenuContent align='end' data-cy='theme-picker-content'>
+        <DropdownMenuItem
+          onClick={() => setTheme('light')}
+          data-cy='light-theme'
+        >
           Light
         </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme('dark')}>
+        <DropdownMenuItem onClick={() => setTheme('dark')} data-cy='dark-theme'>
           Dark
         </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme('system')}>
+        <DropdownMenuItem
+          onClick={() => setTheme('system')}
+          data-cy='system-theme'
+        >
           System
         </DropdownMenuItem>
       </DropdownMenuContent>

tsconfig.json

@@ -20,7 +20,8 @@
     ],
     "paths": {
       "@/*": ["./src/*"]
-    }
+    },
+    "types": ["node", "cypress", "@types/webpack-env"]
   },
   "ts-node": {
     "compilerOptions": {