You cannot serialize or unserialize PDO instances

[kunjalpopat]

Hello,
when i have run using bin/phpunit -c app/ src/MyBundle/Tests/Controller/TestControllerTest.php
given me following error, i have finding many ways but not getting any solutions regarding it,

1. MyBundle\Tests\Controller\TestControllerTest::testJsonPutTestActionShouldModify
   PHPUnit_Framework_Exception: PHP Fatal error: Uncaught exception 'PDOException' with message 'You cannot serialize or unserialize PDO instances' in C:\Users\php52\AppD
   ata\Local\Temp\PHPB2A7.tmp:49
   Stack trace:
   #0 [internal function]: PDO->__sleep()
   When backupStaticAttributes is enable, static data from a first test case leaks to the subsequent tests cases #1 C:\Users\php52\AppData\Local\Temp\PHPB2A7.tmp(49): serialize(Array)
   Running with --process-isolation yields parse error on global data with single quotes #2 C:\Users\php52\AppData\Local\Temp\PHPB2A7.tmp(160): __phpunit_run_isolated_test()
   Mocking class Imagick of pecl/imagick 3.0.0 fails with PHPUnit 3.4.2 and 3.5 beta1 #3 -(1): require_once('C:\Users\php52...')
   phpunit.bat on 3.5.0RC1 doesn't work #4 {main}

thrown in C:\Users\php52\AppData\Local\Temp\PHPB2A7.tmp on line 49

Thanks

[whatthejeff]

You need to disable process isolation if you want to test objects which do not support serialization (e.g. PDO objects).

[ousmaneNdiaye]

@whatthejeff

You need to disable process isolation if you want to test objects which do not support serialization (e.g. PDO objects).

How to do that ?

[sebastianbergmann]

By not turning it on :-) It is disabled by default.

[ousmaneNdiaye]

Yeah I figured out ;) .Indeed in my symfony2 project it was enabled in phpunit.xml.dist

<phpunit
backupGlobals = "false"
processIsolation = "true"