Entidade Book - Curso Laravel Arquitetura Limpa em https://codeexperts.com.br

Book.php

<?php

namespace MiniLeanpub\Domain\Book\Entity;

class Book
{
    public function __construct(
        private ?string $id,
        private ?string $title,
        private ?string $description,
        private ?float $price,
        private ?string $bookPath,
        private ?string $mimeType
    )
    {
    }

    public function validate()
    {
        if(!$this->id) throw new \Exception("Invalid Entity: ID");

        if(!$this->title || !$this->description) throw new \Exception("Invalid Entity: Title or Description");

        if($this->price < 0) throw new \Exception("Invalid Entity: Price");

        if(!$this->bookPath) throw new \Exception("Invalid Entity: Path Book");

        if($this->mimeType != 'text/markdown') throw new \Exception("Invalid Entity: MimeType");
    }
}

BookTest.php

<?php

namespace Tests\MiniLeanpub\Unit\Domain\Book\Entity;

use MiniLeanpub\Domain\Book\Entity\Book;
use PHPUnit\Framework\TestCase;

class BookTest extends TestCase
{
    public function testIfBookValidationThrowsExceptionToAnInvalidId()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: ID');

        $book = new Book(null, 'Titulo Livro', 'Descrição Livro', 25.9, 'path_book', 'mime_type');

        $book->validate();
    }

    public function testIfBookValidationThrowsExceptionToAnInvalidTitleOrDescription()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: Title or Description');

        $book = new Book('UUID', null, 'Descrição Livro', 25.9, 'path_book', 'text/markdown');

        $book->validate();

        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: Title or Description');

        $book = new Book('UUID', 'Titulo Livro', null, 25.9, 'path_book', 'text/markdown');

        $book->validate();
    }

    public function testIfBookValidationThrowsExceptionToAnInvalidPrice()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: Price');

        $book = new Book('UUID', 'Titulo Livro', 'Descrição Livro', -10, 'path_book', 'text/markdown');

        $book->validate();
    }

    public function testIfBookValidationThrowsExceptionToAnInvalidBookPath()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: Path Book');

        $book = new Book('UUID', 'Titulo Livro', 'Descrição Livro', 25.9, null, 'text/markdown');

        $book->validate();
    }

    public function testIfBookValidationThrowsExceptionToAValidBookMimeType()
    {
        $this->expectException(\Exception::class);
        $this->expectExceptionMessage('Invalid Entity: MimeType');

        $book = new Book('UUID', 'Titulo Livro', 'Descrição Livro', 25.9, 'book_path', 'application/json');

        $book->validate();
    }
}