How to pass JSON in POST method with PhpUnit Testing?

Question

I am using symfony 3.0 with phpUnit framework 3.7.18

Unit Test file. abcControllerTest.php

namespace AbcBundle\Tests\Controller; use Symfony\Component\HttpFoundation\Request; use Symfony\Bundle\FrameworkBundle\Test\WebTestCase; use Symfony\Component\HttpFoundation\Response; class AbcControllerTest extends WebTestCase { public function testWithParams() { $Params = array("params" => array("page_no" => 5)); $expectedData = $this->listData($Params); print_r($expectedData); } private function listData($Params) { $client = static::createClient(); $server = array('HTTP_CONTENT_TYPE' => 'application/json', 'HTTP_ACCEPT' => 'application/json'); $crawler = $client->request('POST', $GLOBALS['host'] . '/abc/list', $Params,array(), $server); $response = $client->getResponse(); $this->assertSame('text/html; charset=UTF-8', $response->headers->get('Content-Type')); $expectedData = json_decode($response->getContent()); return $expectedData; } }

Action : abc/list

abcController.php

public function listAction(Request $request) { $Params = json_decode($request->getContent(), true); }

Code is working fine but not given expected result.Since i am trying to pass json parameter from my phpunit file abcControllerTest.php to controller abcController.php file. Anyone can suggest me how can i achieve the same things.

Kamil Adryjanek · Accepted Answer · 2018-11-29 15:51:41Z

I prefer using GuzzleHttp for external requests :

use GuzzleHttp\Client; $client = new Client(); $response = $client->post($url, [ GuzzleHttp\RequestOptions::JSON => ['title' => 'title', 'body' => 'body'] ]);

Note: GuzzleHttp should be installed with e.g. using composer.

But you can always use client bundled with Symfony:

public function testJsonPostPageAction() { $this->client = static::createClient(); $this->client->request( 'POST', '/api/v1/pages.json', array(), array(), array('CONTENT_TYPE' => 'application/json'), '[{"title":"title1","body":"body1"},{"title":"title2","body":"body2"}]' ); $this->assertJsonResponse($this->client->getResponse(), 201, false); } protected function assertJsonResponse($response, $statusCode = 200) { $this->assertEquals( $statusCode, $response->getStatusCode(), $response->getContent() ); $this->assertTrue( $response->headers->contains('Content-Type', 'application/json'), $response->headers ); }

GuzzleHttp is for making real HTTP request, while Symfony's client simulates a browser and makes requests to a Kernel object. The latter has a lot more APIs to simplify unit testing. It also removes the need to have a web server to run the unit test.

Yann Chabot · Accepted Answer · 2021-12-06 15:54:54Z

A little late, but for Symfony 5, you have the jsonRequest accessible via any WebTestCase

<?php $this->client = static::createClient(); $this->client->jsonRequest('POST', '/myJsonEndpoint', [ 'key' => 'value' ]);

Manuel Pirez · Accepted Answer · 2019-12-26 15:56:25Z

Maybe it's a bit late... but it can help someone.

with this you can build a generic POST request and will be accepted by your controller. it's on Symfony 4.x using framework's HTTP client

use Symfony\Component\HttpFoundation\Request; $request = new Request([], [], [], [], [], ['HTTP_CONTENT_TYPE' => 'application/json'], {"foo":"bar"}));

Victor S. · Accepted Answer · 2021-09-21 10:53:17Z

CONTENT_TYPE vs HTTP_CONTENT_TYPE

TLDR;

For Symfony 5 use this:

use Symfony\Component\HttpFoundation\Request; $request = new Request( $uri, $method, $parameters, $cookies, $files, $server=['CONTENT_TYPE' => 'application/json'], $content={"foo":"bar"}) );

Careful, for Symfony 5.2, 5.3 (maybe earlier too) code below not working:

use Symfony\Component\HttpFoundation\Request; $request = new Request( $uri, $method, $parameters, $cookies, $files, $server=['HTTP_CONTENT_TYPE' => 'application/json'], $content={"foo":"bar"}) );

Why:

if no CONTENT_TYPE is set then it added to $server there
then it overrides HTTP_CONTENT_TYPE there

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