test-get-executable-path.php

<?php

namespace HM\BackUpWordPress;

class Backup_Engine_Get_Executable_Path_Tests extends \HM_Backup_UnitTestCase {

	public function setUp() {

		$paths = array(
			'mysql',
			'/usr/bin/mysqlnope',
			'/usr/bin/mysqlwrong',
			'/usr/bin/mysqltryagain',
		);

		$this->paths = array_combine( $paths, $paths );

		if ( ! function_exists( 'proc_open' ) || ! function_exists( 'proc_close' ) ) {
			$this->markTestSkipped( 'proc_open is disabled' );
		}

	}

	public function test_can_pick_first_path() {
		$this->assertEquals( 'mysql', Backup_Utilities::get_executable_path( $this->paths ) );
	}

	public function test_can_pick_shuffled_command_path() {

		$paths = $this->paths;
		shuffle( $paths );

		$this->assertEquals( 'mysql', Backup_Utilities::get_executable_path( $paths ) );

	}

	public function test_remove_default_command_path() {

		$paths = $this->paths;
		$paths[] = $path = trim( shell_exec( 'which mysql ' . ignore_stderr() ) );

        if ( ! $path ) {
            $this->markTestSkipped( 'Couldn\'t find mysql' );
        }

		unset( $paths['mysql'] );
		shuffle( $paths );

		$this->assertEquals( $path, Backup_Utilities::get_executable_path( $paths ) );

	}

}