<?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/>.


< /**
<  * Tests for moodle_url.
<  *
<  * @package     core
<  * @copyright   2018 Andrew Nicols <andrew@nicols.co.uk>
<  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
<  */
< 
< defined('MOODLE_INTERNAL') || die();



> namespace core;



/**
 * Tests for moodle_url.
 *

>  * @package     core


 * @copyright   2018 Andrew Nicols <andrew@nicols.co.uk>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

< class core_moodle_url_testcase extends advanced_testcase {



> class moodle_url_test extends \advanced_testcase {


    /**
     * Test basic moodle_url construction.
     */
    public function test_moodle_url_constructor() {
        global $CFG;


<         $url = new moodle_url('/index.php');



>         $url = new \moodle_url('/index.php');


        $this->assertSame($CFG->wwwroot.'/index.php', $url->out());


<         $url = new moodle_url('/index.php', array());



>         $url = new \moodle_url('/index.php', array());


        $this->assertSame($CFG->wwwroot.'/index.php', $url->out());


<         $url = new moodle_url('/index.php', array('id' => 2));



>         $url = new \moodle_url('/index.php', array('id' => 2));


        $this->assertSame($CFG->wwwroot.'/index.php?id=2', $url->out());


<         $url = new moodle_url('/index.php', array('id' => 'two'));



>         $url = new \moodle_url('/index.php', array('id' => 'two'));


        $this->assertSame($CFG->wwwroot.'/index.php?id=two', $url->out());


<         $url = new moodle_url('/index.php', array('id' => 1, 'cid' => '2'));



>         $url = new \moodle_url('/index.php', array('id' => 1, 'cid' => '2'));


        $this->assertSame($CFG->wwwroot.'/index.php?id=1&amp;cid=2', $url->out());
        $this->assertSame($CFG->wwwroot.'/index.php?id=1&cid=2', $url->out(false));


<         $url = new moodle_url('/index.php', null, 'test');



>         $url = new \moodle_url('/index.php', null, 'test');


        $this->assertSame($CFG->wwwroot.'/index.php#test', $url->out());


<         $url = new moodle_url('/index.php', array('id' => 2), 'test');



>         $url = new \moodle_url('/index.php', array('id' => 2), 'test');


        $this->assertSame($CFG->wwwroot.'/index.php?id=2#test', $url->out());
    }

    /**

<      * Tests moodle_url::get_path().



>      * Tests \moodle_url::get_path().


     */
    public function test_moodle_url_get_path() {

<         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame('/my/file/is/here.txt', $url->get_path());


<         $url = new moodle_url('http://www.example.org/');



>         $url = new \moodle_url('http://www.example.org/');


        $this->assertSame('/', $url->get_path());


<         $url = new moodle_url('http://www.example.org/pluginfile.php/slash/arguments');



>         $url = new \moodle_url('http://www.example.org/pluginfile.php/slash/arguments');


        $this->assertSame('/pluginfile.php/slash/arguments', $url->get_path());
        $this->assertSame('/pluginfile.php', $url->get_path(false));
    }

    public function test_moodle_url_round_trip() {
        $strurl = 'http://moodle.org/course/view.php?id=5';

<         $url = new moodle_url($strurl);



>         $url = new \moodle_url($strurl);


        $this->assertSame($strurl, $url->out(false));

        $strurl = 'http://moodle.org/user/index.php?contextid=53&sifirst=M&silast=D';

<         $url = new moodle_url($strurl);



>         $url = new \moodle_url($strurl);


        $this->assertSame($strurl, $url->out(false));
    }

    /**
     * Test Moodle URL objects created with a param with empty value.
     */
    public function test_moodle_url_empty_param_values() {
        $strurl = 'http://moodle.org/course/view.php?id=0';

<         $url = new moodle_url($strurl, array('id' => 0));



>         $url = new \moodle_url($strurl, array('id' => 0));


        $this->assertSame($strurl, $url->out(false));

        $strurl = 'http://moodle.org/course/view.php?id';

<         $url = new moodle_url($strurl, array('id' => false));



>         $url = new \moodle_url($strurl, array('id' => false));


        $this->assertSame($strurl, $url->out(false));

        $strurl = 'http://moodle.org/course/view.php?id';

<         $url = new moodle_url($strurl, array('id' => null));



>         $url = new \moodle_url($strurl, array('id' => null));


        $this->assertSame($strurl, $url->out(false));

        $strurl = 'http://moodle.org/course/view.php?id';

<         $url = new moodle_url($strurl, array('id' => ''));



>         $url = new \moodle_url($strurl, array('id' => ''));


        $this->assertSame($strurl, $url->out(false));

        $strurl = 'http://moodle.org/course/view.php?id';

<         $url = new moodle_url($strurl);



>         $url = new \moodle_url($strurl);


        $this->assertSame($strurl, $url->out(false));
    }

    /**
     * Test set good scheme on Moodle URL objects.
     */
    public function test_moodle_url_set_good_scheme() {

<         $url = new moodle_url('http://moodle.org/foo/bar');



>         $url = new \moodle_url('http://moodle.org/foo/bar');


        $url->set_scheme('myscheme');
        $this->assertSame('myscheme://moodle.org/foo/bar', $url->out());
    }

    /**
     * Test set bad scheme on Moodle URL objects.

<      *
<      * @expectedException coding_exception


     */
    public function test_moodle_url_set_bad_scheme() {

<         $url = new moodle_url('http://moodle.org/foo/bar');



>         $url = new \moodle_url('http://moodle.org/foo/bar');
>         $this->expectException(\coding_exception::class);


        $url->set_scheme('not a valid $ scheme');
    }

    public function test_moodle_url_round_trip_array_params() {
        $strurl = 'http://example.com/?a%5B1%5D=1&a%5B2%5D=2';

<         $url = new moodle_url($strurl);



>         $url = new \moodle_url($strurl);


        $this->assertSame($strurl, $url->out(false));


<         $url = new moodle_url('http://example.com/?a[1]=1&a[2]=2');



>         $url = new \moodle_url('http://example.com/?a[1]=1&a[2]=2');


        $this->assertSame($strurl, $url->out(false));

        // For un-keyed array params, we expect 0..n keys to be returned.
        $strurl = 'http://example.com/?a%5B0%5D=0&a%5B1%5D=1';

<         $url = new moodle_url('http://example.com/?a[]=0&a[]=1');



>         $url = new \moodle_url('http://example.com/?a[]=0&a[]=1');


        $this->assertSame($strurl, $url->out(false));
    }

    public function test_compare_url() {

<         $url1 = new moodle_url('index.php', array('var1' => 1, 'var2' => 2));
<         $url2 = new moodle_url('index2.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));



>         $url1 = new \moodle_url('index.php', array('var1' => 1, 'var2' => 2));
>         $url2 = new \moodle_url('index2.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));



        $this->assertFalse($url1->compare($url2, URL_MATCH_BASE));
        $this->assertFalse($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));


<         $url2 = new moodle_url('index.php', array('var1' => 1, 'var3' => 3));



>         $url2 = new \moodle_url('index.php', array('var1' => 1, 'var3' => 3));



        $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
        $this->assertFalse($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));


<         $url2 = new moodle_url('index.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));



>         $url2 = new \moodle_url('index.php', array('var1' => 1, 'var2' => 2, 'var3' => 3));



        $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
        $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));


<         $url2 = new moodle_url('index.php', array('var2' => 2, 'var1' => 1));



>         $url2 = new \moodle_url('index.php', array('var2' => 2, 'var1' => 1));



        $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
        $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertTrue($url1->compare($url2, URL_MATCH_EXACT));

        $url1->set_anchor('test');
        $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
        $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertFalse($url1->compare($url2, URL_MATCH_EXACT));

        $url2->set_anchor('test');
        $this->assertTrue($url1->compare($url2, URL_MATCH_BASE));
        $this->assertTrue($url1->compare($url2, URL_MATCH_PARAMS));
        $this->assertTrue($url1->compare($url2, URL_MATCH_EXACT));
    }

    public function test_out_as_local_url() {
        global $CFG;
        // Test http url.

<         $url1 = new moodle_url('/lib/tests/weblib_test.php');



>         $url1 = new \moodle_url('/lib/tests/weblib_test.php');


        $this->assertSame('/lib/tests/weblib_test.php', $url1->out_as_local_url());

        // Test https url.
        $httpswwwroot = str_replace("http://", "https://", $CFG->wwwroot);

<         $url2 = new moodle_url($httpswwwroot.'/login/profile.php');



>         $url2 = new \moodle_url($httpswwwroot.'/login/profile.php');


        $this->assertSame('/login/profile.php', $url2->out_as_local_url());

        // Test http url matching wwwroot.

<         $url3 = new moodle_url($CFG->wwwroot);



>         $url3 = new \moodle_url($CFG->wwwroot);


        $this->assertSame('', $url3->out_as_local_url());

        // Test http url matching wwwroot ending with slash (/).

<         $url3 = new moodle_url($CFG->wwwroot.'/');



>         $url3 = new \moodle_url($CFG->wwwroot.'/');


        $this->assertSame('/', $url3->out_as_local_url());
    }


<     /**
<      * @expectedException coding_exception
<      * @return void
<      */


    public function test_out_as_local_url_error() {

<         $url2 = new moodle_url('http://www.google.com/lib/tests/weblib_test.php');



>         $url2 = new \moodle_url('http://www.google.com/lib/tests/weblib_test.php');
>         $this->expectException(\coding_exception::class);


        $url2->out_as_local_url();
    }

    /**
     * You should get error with modified url

<      *
<      * @expectedException coding_exception
<      * @return void


     */
    public function test_modified_url_out_as_local_url_error() {
        global $CFG;

        $modifiedurl = $CFG->wwwroot.'1';

<         $url3 = new moodle_url($modifiedurl.'/login/profile.php');



>         $url3 = new \moodle_url($modifiedurl.'/login/profile.php');
>         $this->expectException(\coding_exception::class);


        $url3->out_as_local_url();
    }

    /**
     * Try get local url from external https url and you should get error

<      *
<      * @expectedException coding_exception


     */
    public function test_https_out_as_local_url_error() {

<         $url4 = new moodle_url('https://www.google.com/lib/tests/weblib_test.php');



>         $url4 = new \moodle_url('https://www.google.com/lib/tests/weblib_test.php');
>         $this->expectException(\coding_exception::class);


        $url4->out_as_local_url();
    }

    public function test_moodle_url_get_scheme() {
        // Should return the scheme only.

<         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame('http', $url->get_scheme());

        // Should work for secure URLs.

<         $url = new moodle_url('https://www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('https://www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame('https', $url->get_scheme());

        // Should return an empty string if no scheme is specified.

<         $url = new moodle_url('www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame('', $url->get_scheme());
    }

    public function test_moodle_url_get_host() {
        // Should return the host part only.

<         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame('www.example.org', $url->get_host());
    }

    public function test_moodle_url_get_port() {
        // Should return the port if one provided.

<         $url = new moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');



>         $url = new \moodle_url('http://www.example.org:447/my/file/is/here.txt?really=1');


        $this->assertSame(447, $url->get_port());

        // Should return an empty string if port not specified.

<         $url = new moodle_url('http://www.example.org/some/path/here.php');



>         $url = new \moodle_url('http://www.example.org/some/path/here.php');


        $this->assertSame('', $url->get_port());
    }

    /**
     * Test the make_pluginfile_url function.
     *
     * @dataProvider make_pluginfile_url_provider
     * @param   bool    $slashargs
     * @param   array   $args Args to be provided to make_pluginfile_url
     * @param   string  $expected The expected result
     */
    public function test_make_pluginfile_url($slashargs, $args, $expected) {
        global $CFG;

        $this->resetAfterTest();

        $CFG->slasharguments = $slashargs;

<         $url = call_user_func_array('moodle_url::make_pluginfile_url', $args);
<         $this->assertRegexp($expected, $url->out(true));



>         $url = call_user_func_array('\moodle_url::make_pluginfile_url', $args);
>         $this->assertMatchesRegularExpression($expected, $url->out(true));


    }

    /**
     * Data provider for make_pluginfile_url tests.
     *
     * @return  array[]
     */
    public function make_pluginfile_url_provider() {
        $baseurl = "https://www.example.com/moodle/pluginfile.php";
        $tokenbaseurl = "https://www.example.com/moodle/tokenpluginfile.php";
        return [
            'Standard with slashargs' => [
                'slashargs' => true,
                'args' => [
                    1,
                    'mod_forum',
                    'posts',
                    422,
                    '/my/location/',
                    'file.png',
                ],
                'expected' => "@{$baseurl}/1/mod_forum/posts/422/my/location/file.png@",
            ],
            'Standard without slashargs' => [
                'slashargs' => false,
                'args' => [
                    1,
                    'mod_forum',
                    'posts',
                    422,
                    '/my/location/',
                    'file.png',
                ],
                'expected' => "@{$baseurl}\?file=%2F1%2Fmod_forum%2Fposts%2F422%2Fmy%2Flocation%2Ffile.png@",
            ],
            'Token included with slashargs' => [
                'slashargs' => true,
                'args' => [
                    1,
                    'mod_forum',
                    'posts',
                    422,
                    '/my/location/',
                    'file.png',
                    false,
                    true,
                ],
                'expected' => "@{$tokenbaseurl}/[^/]*/1/mod_forum/posts/422/my/location/file.png@",
            ],
            'Token included without slashargs' => [
                'slashargs' => false,
                'args' => [
                    1,
                    'mod_forum',
                    'posts',
                    422,
                    '/my/location/',
                    'file.png',
                    false,
                    true,
                ],
                'expected' => "@{$tokenbaseurl}\?file=%2F1%2Fmod_forum%2Fposts%2F422%2Fmy%2Flocation%2Ffile.png&amp;token=[a-z0-9]*@",
            ],
        ];
    }
}