Mocking Laravel Eloquent models - how to set a public property with Mockery

问题

I want to use a mock object (Mockery) in my PHPUnit test. The mock object needs to have both some public methods and some public properties set. The class is a Laravel Eloquent model. I tried this:

$mock = Mockery::mock('User');
$mock->shouldReceive('hasRole')->once()->andReturn(true); //works fine
$mock->roles = 2; //how to do this? currently returns an error
$this->assertTrue(someTest($mock));

... but setting the public property returns this error:

BadMethodCallException: Method Mockery_0_User::setAttribute() does not exist on this mock object

This error is not returned when mocking a simple class, but is returned when I try to mock an Eloquent model. What am I doing wrong?

回答1:

If you want getting this property with this value, just use it:

$mock->shouldReceive('getAttribute')
    ->with('role')
    ->andReturn(2);

If you call $user->role you will get - 2 ($user - its User mock class)

回答2:

This answer is a bit late but hopefully it will help someone. You can currently set a static property on mocked Eloquent objects by using the 'alias' keyword:

$mocked_model = Mockery::mock('alias:Namespace\For\Model');
$mocked_model->foo = 'bar';
$this->assertEquals('bar', $mocked_model->foo);

This is also helpful for mocking external vendor classes like some of the Stripe objects.

Read about 'alias' and 'overload' keywords: http://docs.mockery.io/en/latest/reference/startup_methods.html

回答3:

To answer your question, you could also try something like this:

$mock = Mockery::mock('User');
$mock->shouldReceive('hasRole')->once()->andReturn(true); //works fine
$mock->shouldReceive('setAttribute')->passthru();
$mock->roles = 2; 

$mock->shouldReceive('getAttribute')->passthru();
$this->assertEquals(2, $mock->roles);

Or, as suggested by seblaze, use a partial mock:

$mock = Mockery::mock('User[hasRole]');
$mock->shouldReceive('hasRole')->once()->andReturn(true);
$mock->roles = 2; 
$this->assertEquals(2, $mock->roles);

But, from your code snippet, if you're writing unit tests, you should really only make one assertion per each test:

function test_someFunctionWhichCallsHasRole_CallsHasRole() {
    $mock = Mockery::mock('User');
    $mock->shouldReceive('hasRole')->once();

    $mock->someFunctionWhichCallsHasRole();
}

function test_someFunctionWhichCallsHasRole_hasRoleReturnsTrue_ReturnsTrue() {
    $mock = Mockery::mock('User');
    $mock->shouldReceive('hasRole')->once()->andReturn(true);

    $result = $mock->someFunctionWhichCallsHasRole();

    $this->assertTrue($result);
}

回答4:

Spy is your friend on this:

$mock = Mockery::spy('User');
$mock->shouldReceive('hasRole')->once()->andReturn(true);
$mock->roles = 2;
$this->assertTrue(someTest($mock));

回答5:

Tried this? It should cover you issue.

https://github.com/padraic/mockery/blob/master/docs/11-MOCKING-PUBLIC-PROPERTIES.md

I'd say implement these

protected $roles = array();

public function setRoles($roles)
{
    $this->roles = $roles;
}

public function addRole($role)
{
    $this->roles[] = $role;
}

Then you can test using:

$mock = Mockery::mock('User');
$mock->shouldReceive('hasRole')->once()->andReturn(true);
$mock->addRole(2);
$this->assertTrue(someTest($mock));

This apse gives you the opportunity to promise a format when you do a getRoles() which would be array of Role object if you do SOLID OOP, or if you rather use array, then at least you know it's always an array you get.

回答6:

Did you tried to do partial mocks ? You can try something like ( NOT TESTED ) :

$mock = Mockery::mock('User[hasRole]');
$mock->shouldReceive('hasRole')->once()->andReturn(true);
$mock->roles = 2; 
$this->assertTrue(someTest($mock));

回答7:

Partial Mock in Laravel 5.3

$mock = Mockery::mock(App\User::class)->makePartial();
$mock->shouldReceive('hasRole')->once()->andReturn(true);
$mock->roles = 2; 
$this->assertEquals(2, $mock->roles);

回答8:

you can use stdclass in this case.

$obj = new stdClass();
$obj->roles = 2;
$mock = Mockery::mock('User');
// return stdclass here.
$mock->shouldReceive('hasRole')->once()->andReturn($obj);
$mock->roles = 2;
$this->assertEquals(2, $mock->roles);

来源：https://stackoverflow.com/questions/22909194/mocking-laravel-eloquent-models-how-to-set-a-public-property-with-mockery

标签

php

laravel

eloquent

mockery