EComDev PHPUnit get and set session data

Question

How do you test setting and getting a session variable in PHPUnit/EComDev? This is what I've so far in my test method:

$checkoutSession = $this->getModelMock('checkout/session');
$checkoutSession->expects($this->any())->method('getData')->with('number')->will($this->returnCallback(array($this, 'getNumber')));
$checkoutSession->expects($this->any())->method('setData')->will($this->returnCallback(array($this, 'setNumber')));

In the test class, I've defined the following:

protected $_number = 5;

public function getNumber()
{
    return $this->_number;
}

public function setNumber()
{
    $args = func_get_args();
    $key = $args[0];
    $value = $args[1];

    $this->_number = $value;
}

This works in the code being tested:

$checkoutSession = Mage::getSingleton('checkout/session');
$number = $checkoutSession->getData('number'); //5
$checkoutSession->setData('number', $number+1);
$number2 = $checkoutSession->getData('number'); //6

However, getting the variable with Magento's magic method does not:

$number = Mage::getSingleton('checkout/session')->getNumber();//this is null

How does one mock Magento's magic methods?

mam08ixo · Accepted Answer · 2017-01-16 10:18:47Z

1

In the given example, all methods are replaced by mock implementations. No existing Mage_Checkout_Model_Session method ever gets called, including getNumber() and __call().

There is no return value defined for getNumber() so you get null.

To create a stub that returns configured values for getData and setData only (while executing all other methods normally), add these method names as second parameter:

$checkoutSession = $this->getModelMock(
    'checkout/session',
    array('init', 'getData', 'setData')
);

answered Jan 16, 2017 at 10:18

mam08ixo

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