Using same temp stream in multiple requests

[JosipTrbuscic]

During api testing with Codeception I tried to test multiple routes in same test using @DataProvider. If I specified 1 route, for example:

/**
 * @param FunctionalTester $
 * @param Example $example
 * @dataProvider getRoutes
 */
public function testSomeRoute(FunctionalTester $I, Example $example): void
{
    $I->expect('Data is not empty');

    $I->sendGET($example['url']);
    $data = $I->grabDataFromResponseByJsonPath('$.data')[0];

    $I->assertNotEmpty($data);
}

protected function getRoutes(): array
{
    return [
      ['url' => '/some/route'],
    ];
}

test will work as expected.

After adding 2 or more routes in data provider, for example:

protected function getRoutes(): array
{
    return [
        ['url' => '/some/route'],
        ['url' => '/some/other/route'],
        ['url' => '/example/route'],
    ];
}

second and third route test will fail because invalid json was returned.

After some debugging I found out that same php://temp stream is being used for writing response of every route. Response of the second route will be written over response of the first route and if the second response is shorter than the first, part of the first response will still be returned and fail the test because of invalid format.

[kocsismate]

Hi @JosipTrbuscic ,

As I see in the referenced issue, the problem was caused by a gotcha in codeception, am I right? If so, please confirm it by closing this ticket. :)