PHPUnit Mock Function
PHPUnit extension to Mock PHP internal functions using Runkit., (*1)
Requirements
*This is an optional requirement. Runkit doesn't currently support the override of internal functions (exit, die etc)., (*2)
Installation
Using composer, add the following to the composer.json file:, (*3)
{
"require": {
"lancerhe/phpunit-mock": "dev-master"
}
}
Function Example
ExampleClass.php, (*4)
<?php
class ExampleClass {
public function doExample() {
return date();
}
}
ExampleClassTest.php, (*5)
<?php
class ExampleClassTest extends \PHPUnit_Framework_TestCase {
/**
* @test
*/
public function return_expected_value() {
$param = 'Y-m-d H:i:s';
$value = 'non date value';
$mockFunction = new PHPUnit_Extensions_MockFunction('date', $this);
$mockFunction->expects($this->once())
->with($this->equalTo($param))
->will($this->returnValue($value));
$exampleClass = new ExampleClass();
$this->assertEquals($value, $exampleClass->doExample($param));
}
}
Class Example
ExampleClass.php, (*6)
<?php
class Calculate {
public $a, $b;
public function __construct($a, $b) {
$this->a = $a;
$this->b = $b;
}
public function add() {
return $this->a + $this->b;
}
public function minus() {
return $this->a - $this->b;
}
}
ExampleClassTest.php, (*7)
<?php
class PHPUnit_Extensions_MockClassTest extends \PHPUnit_Framework_TestCase {
/**
* @test
*/
public function method_return_expected_value() {
$value = 'non value';
$mockClass = new PHPUnit_Extensions_MockClass('Calculate', ['add'], $this);
$mockClass->expects($this->any())
->method('add')
->will($this->returnValue($value));
$this->assertEquals($value, (new Calculate(4, 2))->add());
}
}
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