woocommerce/plugins/woocommerce-admin/tests/features/class-wc-tests-ces-tracks.php

<?php
/**
 * Customer Effort Score Survey Tests.
 *
 * @package Automattic\WooCommerce\Admin\Features
 */

use \Automattic\WooCommerce\Admin\Features\CustomerEffortScoreTracks;

// CustomerEffortScoreTracks only works in wp-admin, so let's fake it.
define( 'WP_ADMIN', true );

/**
 * Class WC_Tests_CES_Tracks
 */
class WC_Tests_CES_Tracks extends WC_Unit_Test_Case {

	/**
	 * @var CustomerEffortScoreTracks
	 */
	private $ces;

	/**
	 * Overridden setUp method from PHPUnit
	 */
	public function setUp() {
		parent::setUp();
		update_option( 'woocommerce_allow_tracking', 'yes' );
		$this->ces = new CustomerEffortScoreTracks();
	}

	/**
	 * Verify that it adds correct action to the queue on woocommerce_update_options action.
	 */
	public function test_updating_options_triggers_ces() {
		do_action( 'woocommerce_update_options' );

		$ces = $this->ces;

		$queue_items = get_option( $ces::CES_TRACKS_QUEUE_OPTION_NAME, array() );
		$this->assertNotEmpty( $queue_items );

		$expected_queue_item = array_filter(
			$queue_items,
			function ( $item ) use ( $ces ) {
				return $ces::SETTINGS_CHANGE_ACTION_NAME === $item['action'];
			}
		);

		$this->assertCount( 1, $expected_queue_item );
	}

	/**
	 * Verify that the queue does not add duplicate item by cehcking
	 * action and label values.
	 */
	public function test_the_queue_does_not_allow_duplicate() {
		// Fire the action twice to trigger the queueing process twice.
		do_action( 'woocommerce_update_options' );
		do_action( 'woocommerce_update_options' );

		$ces = $this->ces;

		$queue_items = get_option( $ces::CES_TRACKS_QUEUE_OPTION_NAME, array() );
		$this->assertNotEmpty( $queue_items );

		$expected_queue_item = array_filter(
			$queue_items,
			function ( $item ) use ( $ces ) {
				return $ces::SETTINGS_CHANGE_ACTION_NAME === $item['action'];
			}
		);

		$this->assertCount( 1, $expected_queue_item );
	}
}