ap2i/tests/Service/Rest/ApiRequestServiceTest.php

<?php

namespace App\Tests\Service;

use App\Service\Rest\ApiRequestService;
use PHPUnit\Framework\TestCase;
use Symfony\Contracts\HttpClient\HttpClientInterface;
use Symfony\Contracts\HttpClient\ResponseInterface;

class ApiRequestServiceTest extends TestCase
{
    private ApiRequestService $apiRequestService;

    public function setUp(): void {
        $client = $this->getMockBuilder(HttpClientInterface::class)
            ->disableOriginalConstructor()
            ->getMock();

        $response = $this->getMockBuilder(ResponseInterface::class)
            ->disableOriginalConstructor()
            ->getMock();
        $response->method('getContent')->willReturn('{"a": 1}');

        $client
            ->expects($this->once())
            ->method('request')
            ->with("GET", "my_url.org")
            ->willReturn($response);

        $this->apiRequestService = new ApiRequestService($client);
    }

    public function testGetJsonContent() {
        $this->assertEquals(
            ['a' => 1],
            $this->apiRequestService->getJsonContent('my_url.org')
        );
    }

    public function testGetContent() {
        $this->assertEquals(
            '{"a": 1}',
            $this->apiRequestService->getContent('my_url.org')
        );
    }
}