138 lines
3.8 KiB
PHP
138 lines
3.8 KiB
PHP
<?php
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namespace Tests\Unit\Comment\UseCases;
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use App\Comment\UseCases\CreateComment\CreateComment;
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use App\Comment\UseCases\CreateComment\CreateCommentRequest;
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use App\Exceptions\BadRequestException;
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use App\Post\CreatePostDto;
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use DateTimeImmutable;
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use DateTimeZone;
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use DomainException;
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use Tests\Fakes\FakeClock;
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use Tests\Fakes\FakeCommentRepository;
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use Tests\Fakes\FakePostRepository;
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use Tests\TestCase;
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class CreateCommentTest extends TestCase
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{
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private FakeCommentRepository $commentRepo;
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private FakePostRepository $postRepo;
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private FakeClock $clock;
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private DateTimeImmutable $now;
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private CreateComment $useCase;
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protected function setUp(): void
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{
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$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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$this->commentRepo = new FakeCommentRepository;
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$this->postRepo = new FakePostRepository;
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$this->clock = new FakeClock($this->now);
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$this->useCase = new CreateComment(
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$this->commentRepo,
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$this->postRepo,
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$this->clock,
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);
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}
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private function seedPost(): int
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{
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$post = $this->postRepo->create(new CreatePostDto(
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userId: 1,
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title: 'Some Post',
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body: 'Body.',
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createdAt: $this->now,
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));
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return $post->getId();
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}
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public function test_zero_post_id_throws_bad_request(): void
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{
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(new CreateCommentRequest(
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postId: 0,
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userId: 1,
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body: 'hi',
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));
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}
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public function test_zero_user_id_throws_bad_request(): void
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{
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$postId = $this->seedPost();
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(new CreateCommentRequest(
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postId: $postId,
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userId: 0,
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body: 'hi',
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));
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}
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public function test_null_body_throws_bad_request(): void
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{
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$postId = $this->seedPost();
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(new CreateCommentRequest(
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postId: $postId,
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userId: 1,
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body: null,
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));
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}
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public function test_blank_body_throws_bad_request(): void
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{
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$postId = $this->seedPost();
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$this->expectException(BadRequestException::class);
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$this->useCase->execute(new CreateCommentRequest(
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postId: $postId,
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userId: 1,
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body: ' ',
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));
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}
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public function test_unknown_post_throws_domain_exception(): void
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{
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$this->expectException(DomainException::class);
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$this->useCase->execute(new CreateCommentRequest(
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postId: 999,
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userId: 1,
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body: 'hi',
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));
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}
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public function test_valid_create_returns_comment(): void
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{
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$postId = $this->seedPost();
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$created = $this->useCase->execute(new CreateCommentRequest(
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postId: $postId,
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userId: 5,
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body: ' Hello world ',
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));
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$this->assertSame($postId, $created->getPostId());
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$this->assertSame(5, $created->getUserId());
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$this->assertSame('Hello world', $created->getBody());
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$this->assertEquals($this->now, $created->getCreatedAt());
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}
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public function test_created_comment_is_findable(): void
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{
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$postId = $this->seedPost();
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$created = $this->useCase->execute(new CreateCommentRequest(
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postId: $postId,
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userId: 5,
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body: 'Hello',
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));
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$found = $this->commentRepo->find($created->getId());
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$this->assertNotNull($found);
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$this->assertSame('Hello', $found->getBody());
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}
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}
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