use PHPUnit\Framework\TestCase;
use Symfony\Component\JsonPath\Test\JsonPathAssertionsTrait;

class MyApiTest extends TestCase
{
    use JsonPathAssertionsTrait;

    public function testItFetchesAllUsers(): void
    {
        $json = self::fetchUserCollection();

        $this->assertJsonPathCount(3, '$.users[*]', $json);
        $this->assertJsonPathSame(['Melchior'], '$.users[0].username', $json);
        $this->assertJsonPathEquals(['30'], '$.users[0].age', $json, 'should return the age as string or int');
    }

    public function testItFetchesOneUser(): void
    {
        $json = self::fetchOneUser();

        $this->assertJsonPathSame(['Melchior'], '$.user.username', $json);
        $this->assertJsonPathEquals(['30'], '$.user.age', $json, 'should return the age as string or int');
    }

    /**
     * Hard-coded for the example, but in a real integration test, you would actually make the API call!
     */
    private static function fetchUserCollection(): string
    {
        // Simulate fetching JSON data from an API
        return <<<JSON
        {
            "users": [
                {
                    "username": "Melchior",
                    "age": 30
                },
                {
                    "username": "Gaspard",
                    "age": 50
                },
                {
                    "username": "Balthazar",
                    "age": 55
                }
            ]
        }
        JSON;
    }

    private static function fetchOneUser(): string
    {
        // Simulate fetching JSON data from an API
        return <<<JSON
        {
            "user": {
                "username": "Melchior",
                "age": 30
            }
        }
        JSON;
    }
}