0.2.1 2018-05-31 15:51 UTC

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Last update: 2020-01-04 10:28:19 UTC


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Library for for HTTP integration tests.

HttpTest is strongly inspired on the httptest go library


When testing functions that include HTTP calls, developers often create a wrapper class around cURL functions and mock that class in order to unit test it. This technique unit tests the class but it is also important to test the actual HTTP call which requires an HTTP server listening to those calls. This library provides such a server and allow developers to do assertions both in the client and server side.


composer require --dev jcchavezs/httptest


Test a cURL HTTP request:


namespace HttpTest\Tests\Integration;

use HttpTest\HttpTestServer;
use PHPUnit_Framework_TestCase;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

final class TestServerTest extends PHPUnit_Framework_TestCase
    const TEST_BODY = 'test_body';
    const TEST_STATUS_CODE = 202;

    public function testHttpSuccess()
        $t = $this;

        $server = HttpTestServer::create(
            function (RequestInterface $request, ResponseInterface &$response) use ($t) {
                /* Assert the HTTP call includes the expected values */
                $t->assertEquals('POST', $request->getMethod());
                $t->assertEquals('application/json', $request->getHeader('Content-Type')[0]);
                $t->assertEquals(self::TEST_BODY, (string) $request->getBody());
                $response = $response->withStatus(self::TEST_STATUS_CODE);


        $handle = curl_init($server->getUrl());
        curl_setopt($handle, CURLOPT_POST, 1);
        curl_setopt($handle, CURLOPT_POSTFIELDS, self::TEST_BODY);
        curl_setopt($handle, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json',
            'Content-Length: ' . strlen(self::TEST_BODY),

        if (curl_exec($handle) === true) {
            $statusCode = curl_getinfo($handle, CURLINFO_HTTP_CODE);

            // Assert client behaviour based on the server response
            $this->assertEquals(self::TEST_STATUS_CODE, $statusCode);
        } else {
            // Stop the server before as `$this->fail(...)` throws an exception
            // In a try/catch block, this should be in the finally block

Important: httptest-php uses pcntl_fork to run the server in a separated thread. Consider this when writing the test and more important, stop the server as soon as you are done with calls because objects are copied from the parent process to the child process and that could end up in having in the assertions having actual value multiplied by 2 when counting calls to external resources (e.g. writing log entries to a file can have double of expected lines if server is stopped after the write).


composer test