yii2-bootstrap/tests/unit/extensions/mongo/ActiveRelationTest.php

<?php

namespace yiiunit\extensions\mongo;

use yiiunit\data\ar\mongo\ActiveRecord;
use yiiunit\data\ar\mongo\Customer;
use yiiunit\data\ar\mongo\CustomerOrder;

/**
 * @group mongo
 */
class ActiveRelationTest extends MongoTestCase
{
	protected function setUp()
	{
		parent::setUp();
		ActiveRecord::$db = $this->getConnection();
		$this->setUpTestRows();
	}

	protected function tearDown()
	{
		$this->dropCollection(Customer::collectionName());
		$this->dropCollection(CustomerOrder::collectionName());
		parent::tearDown();
	}

	/**
	 * Sets up test rows.
	 */
	protected function setUpTestRows()
	{
		$customerCollection = $this->getConnection()->getCollection('customer');

		$customers = [];
		for ($i = 1; $i <= 5; $i++) {
			$customers[] = [
				'name' => 'name' . $i,
				'email' => 'email' . $i,
				'address' => 'address' . $i,
				'status' => $i,
			];
		}
		$customerCollection->batchInsert($customers);

		$customerOrderCollection = $this->getConnection()->getCollection('customer_order');
		$customerOrders = [];
		foreach ($customers as $customer) {
			$customerOrders[] = [
				'customer_id' => $customer['_id'],
				'number' => $customer['status'],
			];
			$customerOrders[] = [
				'customer_id' => $customer['_id'],
				'number' => $customer['status'] + 1,
			];
		}
		$customerOrderCollection->batchInsert($customerOrders);
	}

	// Tests :

	public function testFindLazy()
	{
		/** @var CustomerOrder $order */
		$order = CustomerOrder::find(['number' => 2]);
		$this->assertFalse($order->isRelationPopulated('customer'));
		$index = $order->customer;
		$this->assertTrue($order->isRelationPopulated('customer'));
		$this->assertTrue($index instanceof Customer);
		$this->assertEquals(1, count($order->populatedRelations));
	}

	public function testFindEager()
	{
		$orders = CustomerOrder::find()->with('customer')->all();
		$this->assertEquals(10, count($orders));
		$this->assertTrue($orders[0]->isRelationPopulated('customer'));
		$this->assertTrue($orders[1]->isRelationPopulated('customer'));
		$this->assertTrue($orders[0]->customer instanceof Customer);
		$this->assertTrue($orders[1]->customer instanceof Customer);
	}
}