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.. index::
single: Quick Reference
Quick Reference
===============
The purpose of this page is to give a quick and short overview of some of the
most common Mockery features.
Do read the :doc:`../reference/index` to learn about all the Mockery features.
Integrate Mockery with PHPUnit, either by extending the ``MockeryTestCase``:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class MyTest extends MockeryTestCase
{
}
or by using the ``MockeryPHPUnitIntegration`` trait:
.. code-block:: php
use \PHPUnit\Framework\TestCase;
use \Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
class MyTest extends TestCase
{
use MockeryPHPUnitIntegration;
}
Creating a test double:
.. code-block:: php
$testDouble = \Mockery::mock('MyClass');
Creating a test double that implements a certain interface:
.. code-block:: php
$testDouble = \Mockery::mock('MyClass, MyInterface');
Expecting a method to be called on a test double:
.. code-block:: php
$testDouble = \Mockery::mock('MyClass');
$testDouble->shouldReceive('foo');
Expecting a method to **not** be called on a test double:
.. code-block:: php
$testDouble = \Mockery::mock('MyClass');
$testDouble->shouldNotReceive('foo');
Expecting a method to be called on a test double, once, with a certain argument,
and to return a value:
.. code-block:: php
$mock = \Mockery::mock('MyClass');
$mock->shouldReceive('foo')
->once()
->with($arg)
->andReturn($returnValue);
Expecting a method to be called on a test double and to return a different value
for each successive call:
.. code-block:: php
$mock = \Mockery::mock('MyClass');
$mock->shouldReceive('foo')
->andReturn(1, 2, 3);
$mock->foo(); // int(1);
$mock->foo(); // int(2);
$mock->foo(); // int(3);
$mock->foo(); // int(3);
Creating a runtime partial test double:
.. code-block:: php
$mock = \Mockery::mock('MyClass')->makePartial();
Creating a spy:
.. code-block:: php
$spy = \Mockery::spy('MyClass');
Expecting that a spy should have received a method call:
.. code-block:: php
$spy = \Mockery::spy('MyClass');
$spy->foo();
$spy->shouldHaveReceived()->foo();
Not so simple examples
^^^^^^^^^^^^^^^^^^^^^^
Creating a mock object to return a sequence of values from a set of method
calls:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class SimpleTest extends MockeryTestCase
{
public function testSimpleMock()
{
$mock = \Mockery::mock(array('pi' => 3.1416, 'e' => 2.71));
$this->assertEquals(3.1416, $mock->pi());
$this->assertEquals(2.71, $mock->e());
}
}
Creating a mock object which returns a self-chaining Undefined object for a
method call:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class UndefinedTest extends MockeryTestCase
{
public function testUndefinedValues()
{
$mock = \Mockery::mock('mymock');
$mock->shouldReceive('divideBy')->with(0)->andReturnUndefined();
$this->assertTrue($mock->divideBy(0) instanceof \Mockery\Undefined);
}
}
Creating a mock object with multiple query calls and a single update call:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class DbTest extends MockeryTestCase
{
public function testDbAdapter()
{
$mock = \Mockery::mock('db');
$mock->shouldReceive('query')->andReturn(1, 2, 3);
$mock->shouldReceive('update')->with(5)->andReturn(NULL)->once();
// ... test code here using the mock
}
}
Expecting all queries to be executed before any updates:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class DbTest extends MockeryTestCase
{
public function testQueryAndUpdateOrder()
{
$mock = \Mockery::mock('db');
$mock->shouldReceive('query')->andReturn(1, 2, 3)->ordered();
$mock->shouldReceive('update')->andReturn(NULL)->once()->ordered();
// ... test code here using the mock
}
}
Creating a mock object where all queries occur after startup, but before finish,
and where queries are expected with several different params:
.. code-block:: php
use \Mockery\Adapter\Phpunit\MockeryTestCase;
class DbTest extends MockeryTestCase
{
public function testOrderedQueries()
{
$db = \Mockery::mock('db');
$db->shouldReceive('startup')->once()->ordered();
$db->shouldReceive('query')->with('CPWR')->andReturn(12.3)->once()->ordered('queries');
$db->shouldReceive('query')->with('MSFT')->andReturn(10.0)->once()->ordered('queries');
$db->shouldReceive('query')->with(\Mockery::pattern("/^....$/"))->andReturn(3.3)->atLeast()->once()->ordered('queries');
$db->shouldReceive('finish')->once()->ordered();
// ... test code here using the mock
}
}