yii2-bootstrap/tests/unit/extensions/mongo/file/QueryTest.php

<?php

namespace yiiunit\extensions\mongo\file;

use yii\mongo\file\Query;
use yiiunit\extensions\mongo\MongoTestCase;

/**
 * @group mongo
 */
class QueryTest extends MongoTestCase
{
	protected function setUp()
	{
		parent::setUp();
		$this->setUpTestRows();
	}

	protected function tearDown()
	{
		$this->dropFileCollection();
		parent::tearDown();
	}

	/**
	 * Sets up test rows.
	 */
	protected function setUpTestRows()
	{
		$collection = $this->getConnection()->getFileCollection();
		for ($i = 1; $i <= 10; $i++) {
			$collection->insertFileContent('content' . $i, [
				'filename' => 'name' . $i,
				'file_index' => $i,
			]);
		}
	}

	// Tests :

	public function testAll()
	{
		$connection = $this->getConnection();
		$query = new Query;
		$rows = $query->from('fs')->all($connection);
		$this->assertEquals(10, count($rows));
	}

	public function testOne()
	{
		$connection = $this->getConnection();
		$query = new Query;
		$row = $query->from('fs')->one($connection);
		$this->assertTrue(is_array($row));
		$this->assertTrue($row['file'] instanceof \MongoGridFSFile);
	}

	public function testDirectMatch()
	{
		$connection = $this->getConnection();
		$query = new Query;
		$rows = $query->from('fs')
			->where(['file_index' => 5])
			->all($connection);
		$this->assertEquals(1, count($rows));
		/** @var $file \MongoGridFSFile */
		$file = $rows[0];
		$this->assertEquals('name5', $file['filename']);
	}
}