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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yiiunit\framework\base;
use yii\base\Component;
use yii\base\Event;
use yiiunit\TestCase;
/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class EventTest extends TestCase
{
public $counter;
public function setUp()
{
$this->counter = 0;
Event::off(ActiveRecord::className(), 'save');
Event::off(Post::className(), 'save');
Event::off(User::className(), 'save');
}
public function testOn()
{
Event::on(Post::className(), 'save', function ($event) {
$this->counter += 1;
});
Event::on(ActiveRecord::className(), 'save', function ($event) {
$this->counter += 3;
});
$this->assertEquals(0, $this->counter);
$post = new Post;
$post->save();
$this->assertEquals(4, $this->counter);
$user = new User;
$user->save();
$this->assertEquals(7, $this->counter);
}
public function testOff()
{
$handler = function ($event) {
$this->counter ++;
};
$this->assertFalse(Event::hasHandlers(Post::className(), 'save'));
Event::on(Post::className(), 'save', $handler);
$this->assertTrue(Event::hasHandlers(Post::className(), 'save'));
Event::off(Post::className(), 'save', $handler);
$this->assertFalse(Event::hasHandlers(Post::className(), 'save'));
}
public function testHasHandlers()
{
$this->assertFalse(Event::hasHandlers(Post::className(), 'save'));
$this->assertFalse(Event::hasHandlers(ActiveRecord::className(), 'save'));
Event::on(Post::className(), 'save', function ($event) {
$this->counter += 1;
});
$this->assertTrue(Event::hasHandlers(Post::className(), 'save'));
$this->assertFalse(Event::hasHandlers(ActiveRecord::className(), 'save'));
$this->assertFalse(Event::hasHandlers(User::className(), 'save'));
Event::on(ActiveRecord::className(), 'save', function ($event) {
$this->counter += 1;
});
$this->assertTrue(Event::hasHandlers(User::className(), 'save'));
$this->assertTrue(Event::hasHandlers(ActiveRecord::className(), 'save'));
}
}
class ActiveRecord extends Component
{
public function save()
{
$this->trigger('save');
}
}
class Post extends ActiveRecord
{
}
class User extends ActiveRecord
{
}