test static methods 1

gistfile1.php

<?php

class Signup
{
	protected static function getSellerInstance($IdSeller = 0)
	{
		return '-' . $IdSeller . '-';
	}

	protected static function getCountryDetails($CountryName)
	{
		return '=' . $CountryName . '=';
	}
	 
	public function createMerchant($RemoteMerchantObj, $IdSeller, $CountryName){
	      $CSeller = static::getSellerInstance($IdSeller);
	      $CountryDetails = static::getCountryDetails($CountryName);

	      return array(
	      	$CSeller, $CountryDetails, $RemoteMerchantObj
	      );
	}
}

class Signup_createMerchant extends PHPUnit_Framework_TestCase {

	public function testNoMocks()
	{
		$Signup = new Signup;
		$expected = array(
			'-1000-',
			'=RO=',
			'RemoteMerchantObj'
		);

		$return = $Signup->createMerchant('RemoteMerchantObj', 1000, 'RO');

		$this->assertEquals($expected, $return);
	}

	public function testWithExtends()
	{
		$Signup = new Signup_underTest_createMerchant;
		$expected = array(
			'*1000*',
			'xROx',
			'RemoteMerchantObj'
		);

		$return = $Signup->createMerchant('RemoteMerchantObj', 1000, 'RO');

		$this->assertEquals($expected, $return);
	}

	public function testWithMonkeyPatching()
	{
		runkit_method_rename('Signup', 'getSellerInstance', 'getSellerInstance_BACKUP');
		runkit_method_rename('Signup', 'getCountryDetails', 'getCountryDetails_BACKUP');

		$mock = $this->getMock('Signup', array('getSellerInstance', 'getCountryDetails'));
		
		$mock->expects($this->any())
			->method('getSellerInstance')
			->will($this->returnCallback(function($SellerId){
				return '-->' . $SellerId . '<--';
			}));

		$mock->expects($this->any())
			->method('getCountryDetails')
			->will($this->returnCallback(function($CountryCode){
				return '--|' . $CountryCode . '|--';
			}));

		$expected = array(
			'-->1000<--',
			'--|RO|--',
			'RemoteMerchantObj'
		);

		Signup_underTest_createMerchant_withMocks::$mock = $mock;

		$classUnderTest = new Signup_underTest_createMerchant_withMocks;
		$return = $classUnderTest->createMerchant('RemoteMerchantObj', 1000, 'RO');

		// revert
		runkit_method_rename('Signup', 'getSellerInstance_BACKUP', 'getSellerInstance');
		runkit_method_rename('Signup', 'getCountryDetails_BACKUP', 'getCountryDetails');

		$this->assertEquals($expected, $return);
	}
}

class Signup_underTest_createMerchant extends Signup
{
	protected static function getSellerInstance($IdSeller = 0)
	{
		return '*' . $IdSeller . '*';
	}

	protected static function getCountryDetails($CountryName)
	{
		return 'x' . $CountryName . 'x';
	}
}

class Signup_underTest_createMerchant_withMocks extends Signup
{
	public static $mock;

	public static function __callStatic($method, $args)
	{
		$mock = self::$mock;
		return call_user_func_array(array(&$mock, $method), $args);
	}

	public static function __call($method, $args)
	{
		$mock = self::$mock;
		return call_user_func_array(array(&$mock, $method), $args);
	}
}