WP-Content-Sync/tests/Unit/Package/PackageChecksumTest.php

<?php

namespace WPContentSync\Tests\Unit\Package;

use PHPUnit\Framework\TestCase;
use WPContentSync\Package\PackageChecksum;

class PackageChecksumTest extends TestCase {
	public function test_it_creates_stable_record_checksums(): void {
		$records = array(
			'posts'             => array(
				array(
					'title' => 'Example',
					'id'    => 123,
				),
			),
			'terms'             => array(),
			'media'             => array(),
			'custom_post_types' => array(),
		);

		self::assertSame(
			PackageChecksum::records( $records ),
			PackageChecksum::records( $records )
		);
		self::assertStringStartsWith( 'sha256:', PackageChecksum::records( $records ) );
	}

	public function test_it_canonicalizes_associative_key_order(): void {
		$records   = array(
			'posts'             => array(
				array(
					'title' => 'Example',
					'id'    => 123,
				),
			),
			'terms'             => array(),
			'media'             => array(),
			'custom_post_types' => array(),
		);
		$reordered = array(
			'media'             => array(),
			'custom_post_types' => array(),
			'terms'             => array(),
			'posts'             => array(
				array(
					'id'    => 123,
					'title' => 'Example',
				),
			),
		);

		self::assertSame( PackageChecksum::records( $records ), PackageChecksum::records( $reordered ) );
	}

	public function test_it_verifies_record_checksums(): void {
		$records  = array(
			'posts'             => array(
				array(
					'id' => 123,
				),
			),
			'terms'             => array(),
			'media'             => array(),
			'custom_post_types' => array(),
		);
		$checksum = PackageChecksum::records( $records );

		self::assertTrue( PackageChecksum::verifyRecords( $records, $checksum ) );
		self::assertFalse( PackageChecksum::verifyRecords( $records, 'sha256:not-real' ) );
	}
}