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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Behat command utils
*
* @package core
* @category test
* @copyright 2012 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/../lib.php');
/**
* Behat command related utils
*
* @package core
* @category test
* @copyright 2013 David Monllaó
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class behat_command {
/**
* Docs url
*/
const DOCS_URL = 'https://docs.moodle.org/dev/Running_acceptance_test';
/**
* Ensures the behat dir exists in moodledata
*
* @return string Full path
*/
public static function get_parent_behat_dir() {
global $CFG;
// If not set then return empty string.
if (!isset($CFG->behat_dataroot_parent)) {
return "";
}
return $CFG->behat_dataroot_parent;
}
/**
* Ensures the behat dir exists in moodledata
* @param int $runprocess run process for which behat dir is returned.
* @return string Full path
*/
public static function get_behat_dir($runprocess = 0) {
global $CFG;
// If not set then return empty string.
if (!isset($CFG->behat_dataroot)) {
return "";
}
// If $CFG->behat_parallel_run starts with index 0 and $runprocess for parallel run starts with 1.
if (!empty($runprocess) && isset($CFG->behat_parallel_run[$runprocess - 1]['behat_dataroot'])) {
$behatdir = $CFG->behat_parallel_run[$runprocess - 1]['behat_dataroot'] . '/behat';;
} else {
$behatdir = $CFG->behat_dataroot . '/behat';
}
if (!is_dir($behatdir)) {
if (!mkdir($behatdir, $CFG->directorypermissions, true)) {
behat_error(BEHAT_EXITCODE_PERMISSIONS, 'Directory ' . $behatdir . ' can not be created');
}
}
if (!is_writable($behatdir)) {
behat_error(BEHAT_EXITCODE_PERMISSIONS, 'Directory ' . $behatdir . ' is not writable');
}
return $behatdir;
}
/**
* Returns the executable path
*
* Allows returning a customized command for cygwin when the
* command is just displayed, when using exec(), system() and
* friends we stay with DIRECTORY_SEPARATOR as they use the
* normal cmd.exe (in Windows).
*
* @param bool $custombyterm If the provided command should depend on the terminal where it runs
* @param bool $parallelrun If parallel run is installed.
* @param bool $absolutepath return command with absolute path.
* @return string
*/
public final static function get_behat_command($custombyterm = false, $parallerun = false, $absolutepath = false) {
$separator = DIRECTORY_SEPARATOR;
$exec = 'behat';
// Cygwin uses linux-style directory separators.
if ($custombyterm && testing_is_cygwin()) {
$separator = '/';
// MinGW can not execute .bat scripts.
if (!testing_is_mingw()) {
$exec = 'behat.bat';
}
}
// If relative path then prefix relative path.
if ($absolutepath) {
$pathprefix = testing_cli_argument_path('/');
if (!empty($pathprefix)) {
$pathprefix .= $separator;
}
} else {
$pathprefix = '';
}
if (!$parallerun) {
$command = $pathprefix . 'vendor' . $separator . 'bin' . $separator . $exec;
} else {
$command = 'php ' . $pathprefix . 'admin' . $separator . 'tool' . $separator . 'behat' . $separator . 'cli'
. $separator . 'run.php';
}
return $command;
}
/**
* Runs behat command with provided options
*
* Execution continues when the process finishes
*
* @param string $options Defaults to '' so tests would be executed
* @return array CLI command outputs [0] => string, [1] => integer
*/
public final static function run($options = '') {
global $CFG;
$currentcwd = getcwd();
chdir($CFG->dirroot);
exec(self::get_behat_command() . ' ' . $options, $output, $code);
chdir($currentcwd);
return array($output, $code);
}
/**
* Checks if behat is set up and working
*
* Notifies failures both from CLI and web interface.
*
* It checks behat dependencies have been installed and runs
* the behat help command to ensure it works as expected
*
* @return int Error code or 0 if all ok
*/
public static function behat_setup_problem() {
global $CFG;
// Moodle setting.
if (!self::are_behat_dependencies_installed()) {
// Returning composer error code to avoid conflicts with behat and moodle error codes.
self::output_msg(get_string('errorcomposer', 'tool_behat'));
return TESTING_EXITCODE_COMPOSER;
}
// Behat test command.
list($output, $code) = self::run(' --help');
if ($code != 0) {
// Returning composer error code to avoid conflicts with behat and moodle error codes.
self::output_msg(get_string('errorbehatcommand', 'tool_behat', self::get_behat_command()));
return TESTING_EXITCODE_COMPOSER;
}
// No empty values.
if (empty($CFG->behat_dataroot) || empty($CFG->behat_prefix) || empty($CFG->behat_wwwroot)) {
self::output_msg(get_string('errorsetconfig', 'tool_behat'));
return BEHAT_EXITCODE_CONFIG;
}
// Not repeated values.
// We only need to check this when the behat site is not running as
// at this point, when it is running, all $CFG->behat_* vars have
// already been copied to $CFG->dataroot, $CFG->prefix and $CFG->wwwroot.
if (!defined('BEHAT_SITE_RUNNING') &&
($CFG->behat_prefix == $CFG->prefix ||
$CFG->behat_dataroot == $CFG->dataroot ||
$CFG->behat_wwwroot == $CFG->wwwroot ||
(!empty($CFG->phpunit_prefix) && $CFG->phpunit_prefix == $CFG->behat_prefix) ||
(!empty($CFG->phpunit_dataroot) && $CFG->phpunit_dataroot == $CFG->behat_dataroot)
)) {
self::output_msg(get_string('erroruniqueconfig', 'tool_behat'));
return BEHAT_EXITCODE_CONFIG;
}
// Checking behat dataroot existence otherwise echo about admin/tool/behat/cli/init.php.
if (!empty($CFG->behat_dataroot)) {
$CFG->behat_dataroot = realpath($CFG->behat_dataroot);
}
if (empty($CFG->behat_dataroot) || !is_dir($CFG->behat_dataroot) || !is_writable($CFG->behat_dataroot)) {
self::output_msg(get_string('errordataroot', 'tool_behat'));
return BEHAT_EXITCODE_CONFIG;
}
// If app config is supplied, check the value is correct.
if (!empty($CFG->behat_ionic_dirroot) && !file_exists($CFG->behat_ionic_dirroot . '/ionic.config.json')) {
self::output_msg(get_string('errorapproot', 'tool_behat'));
return BEHAT_EXITCODE_CONFIG;
}
return 0;
}
/**
* Has the site installed composer.
* @return bool
*/
public static function are_behat_dependencies_installed() {
if (!is_dir(__DIR__ . '/../../../vendor/behat')) {
return false;
}
return true;
}
/**
* Outputs a message.
*
* Used in CLI + web UI methods. Stops the
* execution in web.
*
* @param string $msg
* @return void
*/
protected static function output_msg($msg) {
global $CFG, $PAGE;
// If we are using the web interface we want pretty messages.
if (!CLI_SCRIPT) {
$renderer = $PAGE->get_renderer('tool_behat');
echo $renderer->render_error($msg);
// Stopping execution.
exit(1);
} else {
// We continue execution after this.
$clibehaterrorstr = "Ensure you set \$CFG->behat_* vars in config.php " .
"and you ran admin/tool/behat/cli/init.php.\n" .
"More info in " . self::DOCS_URL;
echo 'Error: ' . $msg . "\n\n" . $clibehaterrorstr;
}
}
}