mockUser(null); $model->username = 'some_username'; $model->password = 'some_password'; $this->specify('user should not be able to login, when there is no identity' , function () use ($model) { $this->assertFalse($model->login()); $this->assertTrue(Yii::$app->user->isGuest,'user should not be logged in'); }); } public function testLoginWrongPassword() { $model = $this->mockUser(new User); $model->username = 'demo'; $model->password = 'wrong-password'; $this->specify('user should not be able to login with wrong password', function () use ($model) { $this->assertFalse($model->login()); $this->assertArrayHasKey('password',$model->errors); $this->assertTrue(Yii::$app->user->isGuest,'user should not be logged in'); }); } public function testLoginCorrect() { $model = $this->mockUser(new User(['password' => 'demo'])); $model->username = 'demo'; $model->password = 'demo'; $this->specify('user should be able to login with correct credentials', function() use ($model) { $this->assertTrue($model->login()); $this->assertArrayNotHasKey('password',$model->errors); $this->assertFalse(Yii::$app->user->isGuest,'user should be logged in'); }); } private function mockUser($user) { $loginForm = $this->getMock('app\models\LoginForm',['getUser']); $loginForm->expects($this->any())->method('getUser')->will($this->returnValue($user)); return $loginForm; } }