<?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/>.


/**
 * Unit tests for /lib/filelib.php.
 *
 * @package   core_files
 * @category  phpunit
 * @copyright 2009 Jerome Mouneyrac
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->libdir . '/filelib.php');

class filelib_testcase extends basic_testcase {
    public function test_format_postdata_for_curlcall() {

        //POST params with just simple types
        $postdatatoconvert =array( 'userid' => 1, 'roleid' => 22, 'name' => 'john');
        $expectedresult = "userid=1&roleid=22&name=john";
        $postdata = format_postdata_for_curlcall($postdatatoconvert);
        $this->assertEquals($postdata, $expectedresult);

        //POST params with a string containing & character
        $postdatatoconvert =array( 'name' => 'john&emilie', 'roleid' => 22);
        $expectedresult = "name=john%26emilie&roleid=22"; //urlencode: '%26' => '&'
        $postdata = format_postdata_for_curlcall($postdatatoconvert);
        $this->assertEquals($postdata, $expectedresult);

        //POST params with an empty value
        $postdatatoconvert =array( 'name' => null, 'roleid' => 22);
        $expectedresult = "name=&roleid=22";
        $postdata = format_postdata_for_curlcall($postdatatoconvert);
        $this->assertEquals($postdata, $expectedresult);

        //POST params with complex types
        $postdatatoconvert =array( 'users' => array(
            array(
                'id' => 2,
                'customfields' => array(
                    array
                    (
                        'type' => 'Color',
                        'value' => 'violet'
                    )
                )
            )
        )
        );
        $expectedresult = "users[0][id]=2&users[0][customfields][0][type]=Color&users[0][customfields][0][value]=violet";
        $postdata = format_postdata_for_curlcall($postdatatoconvert);
        $this->assertEquals($postdata, $expectedresult);

        //POST params with other complex types
        $postdatatoconvert = array ('members' =>
        array(
            array('groupid' => 1, 'userid' => 1)
        , array('groupid' => 1, 'userid' => 2)
        )
        );
        $expectedresult = "members[0][groupid]=1&members[0][userid]=1&members[1][groupid]=1&members[1][userid]=2";
        $postdata = format_postdata_for_curlcall($postdatatoconvert);
        $this->assertEquals($postdata, $expectedresult);
    }

    public function test_download_file_content() {
        $testhtml = "http://download.moodle.org/unittest/test.html";
        $contents = download_file_content($testhtml);
        $this->assertEquals('47250a973d1b88d9445f94db4ef2c97a', md5($contents));
    }
}