<?php
/**
 * WP_Background_Processing Tests.
 *
 * @package WooCommerce\Tests\Libraries
 */

/**
 * Class Functions.
 *
 * @since 3.3
 */
class WC_Tests_Libraries_Background_Process extends WC_Unit_Test_Case {

	/**
	 * Test the is_queue_empty function.
	 *
	 * @return void
	 */
	public function test_is_queue_empty() {
		require_once( dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'class-wc-mock-background-process.php' );
		$queue = new WC_Mock_Background_Process();
		$this->assertEquals( true, $queue->is_queue_empty() );
		$queue->push_to_queue( array(
			'mock_key' => 'mock_value',
		) );
		$queue->save();
		$this->assertEquals( false, $queue->is_queue_empty() );
	}

	/**
	 * Make sure the cron works.
	 *
	 * @return void
	 */
	public function test_schedule_cron_healthcheck() {
		require_once( dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'class-wc-mock-background-process.php' );
		$queue = new WC_Mock_Background_Process();
		$this->assertArraySubset( [ 'wp_woocommerce_mock_background_process_cron_interval' => [ 'interval' => 300, 'display' => 'Every 5 minutes' ] ], $queue->schedule_cron_healthcheck( array() ) );
	}

	/**
	 * Test to make sure a batch is returned.
	 *
	 * @return void
	 */
	public function test_get_batch() {
		require_once( dirname( __FILE__ ) . DIRECTORY_SEPARATOR . 'class-wc-mock-background-process.php' );
		$queue = new WC_Mock_Background_Process();
		$queue->push_to_queue( array(
			'mock_key' => 'mock_value',
		) );
		$queue->save();
		$this->assertNotEmpty( $queue->get_batch() );
	}


}