Example of refactoring to support testing in test database

gistfile1.txt

//in ProgramsController
...
    function constructClasses()
    {
        parent::constructClasses();

        $this->_instanciateVumiRabbitMQ();
        $this->_instanciateMongoModel("vusion");   //this is hard coded at the moment also so no worry about that
    }

    protected function _instantciateMongoModel(vusionDB) 
    {
        $this->Shortcode = new Shorcode(vusionDB)
    }
...


//in TestProgramController
...
class TestProgramsController extends ProgramsController 
{

    public $autoRender = false;


    public function redirect($url, $status = null, $exit = true)
    {
        $this->redirectUrl = $url;
    }

    protected function _instanciateVumiRabbitMQ() {
    }

    protected function _instanciateMongoModel(vusionDB)    //u overwrite this function form the ProgramsController
    {
        $this->Shortcode = new Shortcode("testvusiondb") //hard code here the name of the test database
    }

}

// in the ProgramsController i have

function constructClasses()
{
parent::constructClasses();

    $this->_instanciateVumiRabbitMQ();
    $this->_instanciateMongoModel('vusion');

}

protected function _instanciateMongoModel($vusionDB){
$this->ShortCode = new ShortCode(array('database' => $vusionDB));
}

// In the ProgramsControllerTest i have

class TestProgramsController extends ProgramsController
{

public $autoRender = false;


public function redirect($url, $status = null, $exit = true)
{
    $this->redirectUrl = $url;
}

protected function _instanciateVumiRabbitMQ() {
}

protected function _instanciateMongoModel($vusionDB) {
    $this->ShortCode  = new ShortCode(array('database' => "testdbmongo"));
}

}

public function testIndex_filter()
{
$shortcode1 = array(
'country' => 'uganda',
'shortcode' => 8282,
'international-prefix' => 256
);

    $this->ShortCode->create(); // line 194
   $this->ShortCode->save($shortcode1); // line 195
.......
}

// the stack trace is below

Undefined property: ProgramsControllerTestCase::$ShortCode
Test case: ProgramsControllerTestCase(testIndex_filter)
Stack trace:
/home/jared/Development/vusion-frontend/app/Test/Case/Controller/ProgramsControllerTest.php : 194
ProgramsControllerTestCase::testIndex_filter
/opt/lampp/lib/php/PHPUnit/Framework/TestCase.php : 969
/opt/lampp/lib/php/PHPUnit/Framework/TestCase.php : 824
/opt/lampp/lib/php/PHPUnit/Framework/TestResult.php : 648
/opt/lampp/lib/php/PHPUnit/Framework/TestCase.php : 769
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestCase.php : 78
/opt/lampp/lib/php/PHPUnit/Framework/TestSuite.php : 775
/opt/lampp/lib/php/PHPUnit/Framework/TestSuite.php : 745
/opt/lampp/lib/php/PHPUnit/TextUI/TestRunner.php : 346
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestRunner.php : 56
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestSuiteCommand.php : 110
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php : 250
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php : 98
/home/jared/Development/vusion-frontend/lib/Cake/TestSuite/CakeTestSuiteDispatcher.php : 115
/home/jared/Development/vusion-frontend/app/webroot/test.php : 92