eb0ebc6f63
4 cases: zero/negative id -> BadRequest; unknown id -> null (controller maps to 404); existing id returns the Post. GetPost takes int id directly (no Request object - the value is trivial and controllers pull it from a route param).
66 lines
1.7 KiB
PHP
66 lines
1.7 KiB
PHP
<?php
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namespace Tests\Unit\Post\UseCases;
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use App\Exceptions\BadRequestException;
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use App\Post\CreatePostDto;
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use App\Post\Post;
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use App\Post\UseCases\GetPost\GetPost;
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use DateTimeImmutable;
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use DateTimeZone;
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use Tests\Fakes\FakePostRepository;
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use Tests\TestCase;
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class GetPostTest extends TestCase
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{
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private FakePostRepository $postRepo;
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private DateTimeImmutable $now;
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private GetPost $useCase;
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protected function setUp(): void
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{
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$this->now = new DateTimeImmutable(
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'2026-05-06T12:00:00',
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new DateTimeZone('UTC')
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);
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$this->postRepo = new FakePostRepository;
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$this->useCase = new GetPost($this->postRepo);
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}
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public function test_zero_id_throws_bad_request(): void
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{
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(0);
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}
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public function test_negative_id_throws_bad_request(): void
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{
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(-5);
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}
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public function test_unknown_id_returns_null(): void
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{
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$result = $this->useCase->execute(999);
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$this->assertNull($result);
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}
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public function test_existing_id_returns_post(): void
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{
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$created = $this->postRepo->create(new CreatePostDto(
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userId: 7,
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title: 'My Post',
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body: 'Some body content.',
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createdAt: $this->now,
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));
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$result = $this->useCase->execute($created->getId());
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$this->assertInstanceOf(Post::class, $result);
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$this->assertSame('My Post', $result->getTitle());
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$this->assertSame(7, $result->getUserId());
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}
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}
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