<?php
/**
 * @group external-http
 */
class Tests_External_HTTP_Basic extends WP_UnitTestCase {

	function test_readme() {
		$readme = file_get_contents( ABSPATH . 'readme.html' );
		preg_match( '#<br /> Version (.*)#', $readme, $matches );
		list( $version ) = explode( '-', $GLOBALS['wp_version'] );
		$this->assertEquals( $version, trim( $matches[1] ), "readme.html's version needs to be updated to $version." );

		preg_match( '#Recommendations.*PHP</a> version <strong>([0-9.]*)#s', $readme, $matches );

		$response = wp_remote_get( 'https://secure.php.net/supported-versions.php' );
		if ( 200 != wp_remote_retrieve_response_code( $response ) ) {
			$this->markTestSkipped( 'Could not contact PHP.net to check versions.' );
		}
		$php = wp_remote_retrieve_body( $response );

		preg_match_all( '#<tr class="stable">\s*<td>\s*<a [^>]*>\s*([0-9.]*)#s', $php, $phpmatches );

		$this->assertContains( $matches[1], $phpmatches[1], "readme.html's Recommended PHP version is too old. Remember to update the WordPress.org Requirements page, too." );

		preg_match( '#Recommendations.*MySQL</a> version <strong>([0-9.]*)#s', $readme, $matches );

		$response = wp_remote_get( "https://dev.mysql.com/doc/relnotes/mysql/{$matches[1]}/en/" );
		if ( 200 != wp_remote_retrieve_response_code( $response ) ) {
			$this->markTestSkipped( 'Could not contact dev.MySQL.com to check versions.' );
		}
		$mysql = wp_remote_retrieve_body( $response );

		preg_match( '#(\d{4}-\d{2}-\d{2}), General Availability#', $mysql, $mysqlmatches );

		// Per https://www.mysql.com/support/, Oracle actively supports MySQL releases for 5 years from GA release
		$mysql_eol = strtotime( $mysqlmatches[1] . ' +5 years' );

		$this->assertLessThan( $mysql_eol, time(), "readme.html's Recommended MySQL version is too old. Remember to update the WordPress.org Requirements page, too." );
	}
}
