Customer.php

<?php
namespace yiiunit\data\ar;

use yii\db\ActiveQuery;
use yiiunit\framework\db\ActiveRecordTest;

/**
 * Class Customer
 *
 * @property integer $id
 * @property string $name
 * @property string $email
 * @property string $address
 * @property integer $status
 *
 * @method CustomerQuery|Customer|null find($q = null) static
 * @method CustomerQuery findBySql($sql, $params = []) static
 */
class Customer extends ActiveRecord
{
	const STATUS_ACTIVE = 1;
	const STATUS_INACTIVE = 2;

	public $status2;

	public static function tableName()
	{
		return 'tbl_customer';
	}

	public function getProfile()
	{
		return $this->hasOne(Profile::className(), ['id' => 'profile_id']);
	}

	public function getOrders()
	{
		return $this->hasMany(Order::className(), ['customer_id' => 'id'])->orderBy('id');
	}

	public function getOrders2()
	{
		return $this->hasMany(Order::className(), ['customer_id' => 'id'])->inverseOf('customer2')->orderBy('id');
	}

	// deeply nested table relation
	public function getOrderItems()
	{
		/** @var ActiveQuery $rel */
		$rel = $this->hasMany(Item::className(), ['id' => 'item_id']);
		return $rel->viaTable('tbl_order_item', ['order_id' => 'id'], function($q) {
			/** @var ActiveQuery $q */
			$q->viaTable('tbl_order', ['customer_id' => 'id']);
		})->orderBy('id');
	}

	public function afterSave($insert)
	{
		ActiveRecordTest::$afterSaveInsert = $insert;
		ActiveRecordTest::$afterSaveNewRecord = $this->isNewRecord;
		parent::afterSave($insert);
	}

	public static function createQuery($config = [])
	{
		$config['modelClass'] = get_called_class();
		return new CustomerQuery($config);
	}
}