Pierre Criulanscy PCreations
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| -1,3 +1,4 @@ | |
| export abstract class BookRepository { | |
| abstract save(book: { title: string }): Promise<void>; | |
| + abstract doesBookExist(title: string): Promise<boolean>; | |
| } | |
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| -0,0 +1,5 @@ | |
| +export class BookAlreadyExistsError extends Error { | |
| + constructor(bookTitle: string) { | |
| + super(`The book ${bookTitle} already exists`); | |
| + } | |
| +} | |
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| import { BookRepository } from './book-repository.port'; | |
| export class InMemoryBookRepository implements BookRepository { | |
| + booksByTitle = new Map<string, { title: string }>(); // J'en profite ici pour créer une Map référençant les livres par titre. | |
| + | |
| lastSavedBook: { title: string } | undefined; | |
| async save(book: { title: string }): Promise<void> { | |
| this.lastSavedBook = book; | |
| + this.booksByTitle.set(book.title, book); |
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| + test('Example: User cannot add a book that already exists', async () => { | |
| + const bookRepository = new StubBookRepository(); | |
| + bookRepository.booksByTitle.set('Clean Code', { title: 'Clean Code' }); | |
| + const addBook = new AddBookUseCase(bookRepository); | |
| + | |
| + const addingBook = addBook.execute({ title: 'Clean Code' }); | |
| + | |
| + await expect(addingBook).rejects.toThrowError( | |
| + new BookAlreadyExistsError('The book Clean Code already exists'), | |
| + ); |
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| + | |
| + test('Example: User cannot add a book that already exists', async ({ | |
| + page, | |
| + }) => { | |
| + await page.goto('http://localhost:3000'); | |
| + await page.getByLabel(/title/i).fill('Clean Code'); | |
| + await page.getByText(/add book/i).click(); | |
| + | |
| + await page.getByLabel(/title/i).fill('Clean Code'); | |
| + await page.getByText(/add book/i).click(); |
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| -15,6 +15,7 @@ export class AppController { | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <script src="https://cdn.tailwindcss.com"></script> | |
| + <script src="https://unpkg.com/htmx.org@2.0.1"></script> | |
| </head> | |
| <body> | |
| <main class="container mx-auto px-4 py-8"> | |
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| export class AppController { | |
| <html> | |
| <head> | |
| <title>Crafty Reads</title> | |
| + <meta charset="UTF-8"> | |
| + <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| + <script src="https://cdn.tailwindcss.com"></script> | |
| </head> | |
| <body> | |
| - <form> |
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| -1,10 +1,18 @@ | |
| import { Module } from '@nestjs/common'; | |
| import { AppController } from './app.controller'; | |
| -import { AppService } from './app.service'; | |
| +import { AddBookUseCase } from './add-book.usecase'; | |
| +import { StubBookRepository } from './stub.book-repository'; | |
| +import { BookRepository } from './book-repository.port'; | |
| @Module({ | |
| imports: [], |
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| -1,5 +1,7 @@ | |
| +import { Injectable } from '@nestjs/common'; | |
| import { BookRepository } from './book-repository.port'; | |
| +@Injectable() | |
| export class AddBookUseCase { | |
| constructor(private readonly bookRepository: BookRepository) {} | |
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| -1,3 +1,3 @@ | |
| -export interface BookRepository { | |
| - save(book: { title: string }): Promise<void>; | |
| +export abstract class BookRepository { | |
| + abstract save(book: { title: string }): Promise<void>; | |
| } | |