Mangarr/tests/Domain/Manga/Infrastructure/Client/MangadexClientTest.php

<?php

namespace App\Tests\Domain\Manga\Infrastructure\Client;

use App\Domain\Manga\Domain\Exception\MangadexAuthenticationException;
use App\Domain\Manga\Infrastructure\Client\MangadexClient;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;

class MangadexClientTest extends TestCase
{
    private HttpClientInterface $httpClient;
    private MangadexClient $client;

    protected function setUp(): void
    {
        $this->httpClient = $this->createMock(HttpClientInterface::class);
        $this->client = new MangadexClient(
            $this->httpClient,
            'client_id',
            'client_secret',
            'username',
            'password'
        );
    }

    private function mockAuthenticationResponse(): MockObject&ResponseInterface
    {
        $authResponse = $this->createMock(ResponseInterface::class);
        $authResponse->method('toArray')->willReturn([
            'access_token' => 'access_token',
            'refresh_token' => 'refresh_token',
        ]);

        return $authResponse;
    }

    public function testAuthenticateSuccess(): void
    {
        $response = $this->mockAuthenticationResponse();

        $this->httpClient->expects($this->once())
            ->method('request')
            ->with(
                'POST',
                'https://auth.mangadex.org/realms/mangadex/protocol/openid-connect/token',
                $this->callback(function ($options) {
                    return 'password' === $options['body']['grant_type']
                        && 'username' === $options['body']['username']
                        && 'password' === $options['body']['password']
                        && 'client_id' === $options['body']['client_id']
                        && 'client_secret' === $options['body']['client_secret'];
                })
            )
            ->willReturn($response);

        $this->client->authenticate();
    }

    public function testAuthenticateFailure(): void
    {
        $this->httpClient->method('request')
            ->willThrowException(new \Exception('Authentication failed'));

        $this->expectException(MangadexAuthenticationException::class);
        $this->expectExceptionMessage('Failed to authenticate with Mangadex: Authentication failed');

        $this->client->authenticate();
    }

    public function testSearchManga(): void
    {
        $expectedResponse = [
            'data' => [
                [
                    'id' => '123',
                    'attributes' => [
                        'title' => ['en' => 'Test Manga'],
                    ],
                ],
            ],
        ];

        $authResponse = $this->mockAuthenticationResponse();
        $searchResponse = $this->createMock(ResponseInterface::class);
        $searchResponse->method('toArray')->willReturn($expectedResponse);
        $searchResponse->method('getStatusCode')->willReturn(200);

        $this->httpClient->expects($this->exactly(2))
            ->method('request')
            ->willReturnCallback(function ($method, $url) use ($authResponse, $searchResponse) {
                if (str_contains($url, 'auth.mangadex.org')) {
                    return $authResponse;
                }

                return $searchResponse;
            });

        $result = $this->client->searchManga('test');
        $this->assertEquals($expectedResponse, $result);
    }

    public function testGetMangaRatings(): void
    {
        $expectedResponse = [
            'statistics' => [
                '123' => [
                    'rating' => ['average' => 4.5],
                ],
            ],
        ];

        $authResponse = $this->mockAuthenticationResponse();
        $ratingsResponse = $this->createMock(ResponseInterface::class);
        $ratingsResponse->method('toArray')->willReturn($expectedResponse);
        $ratingsResponse->method('getStatusCode')->willReturn(200);

        $this->httpClient->expects($this->exactly(2))
            ->method('request')
            ->willReturnCallback(function ($method, $url) use ($authResponse, $ratingsResponse) {
                if (str_contains($url, 'auth.mangadex.org')) {
                    return $authResponse;
                }

                return $ratingsResponse;
            });

        $result = $this->client->getMangaRatings(['123']);
        $this->assertEquals($expectedResponse, $result);
    }
}