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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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namespace core;
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use core_scss;
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/**
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 * This file contains the unittests for core scss.
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 *
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 * @package   core
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 * @category  phpunit
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 * @copyright 2016 onwards Ankit Agarwal
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 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class scss_test extends \advanced_testcase {
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    /**
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     * Data provider for is_valid_file
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     * @return array
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     */
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    public function is_valid_file_provider() {
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        $themedirectory = \core_component::get_component_directory('theme_boost');
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        $realroot = realpath($themedirectory);
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        return [
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            "File import 1" => [
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                "path" => "../test.php",
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                "valid" => false
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            ],
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            "File import 2" => [
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                "path" => "../test.py",
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                "valid" => false
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            ],
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            "File import 3" => [
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                "path" => $realroot . "/scss/moodle.scss",
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                "valid" => true
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            ],
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            "File import 4" => [
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                "path" => $realroot . "/scss/../../../config.php",
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                "valid" => false
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            ],
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            "File import 5" => [
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                "path" => "/../../../../etc/passwd",
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                "valid" => false
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            ],
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            "File import 6" => [
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                "path" => "random",
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                "valid" => false
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            ]
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        ];
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    }
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    /**
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     * Test cases for SassC compilation.
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     */
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    public function scss_compilation_provider() {
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        return [
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            'simple' => [
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                'scss' => '$font-stack: Helvetica, sans-serif;
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                           $primary-color: #333;
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                           body {
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                             font: 100% $font-stack;
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                             color: $primary-color;
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                           }',
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                'expected' => <<<CSS
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body {
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  font: 100% Helvetica, sans-serif;
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  color: #333; }
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CSS
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            ],
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            'nested' => [
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                'scss' => 'nav {
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                             ul {
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                               margin: 0;
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                               padding: 0;
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                               list-style: none;
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                             }
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                           li { display: inline-block; }
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                           a {
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                             display: block;
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                             padding: 6px 12px;
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                             text-decoration: none;
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                           }
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                         }',
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                'expected' => <<<CSS
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nav ul {
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  margin: 0;
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  padding: 0;
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  list-style: none; }
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nav li {
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  display: inline-block; }
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nav a {
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  display: block;
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  padding: 6px 12px;
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  text-decoration: none; }
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CSS
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            ]
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        ];
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    }
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    /**
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     * @dataProvider is_valid_file_provider
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     */
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    public function test_is_valid_file($path, $valid) {
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        $scss = new \core_scss();
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        $pathvalid = \phpunit_util::call_internal_method($scss, 'is_valid_file', [$path], \core_scss::class);
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        $this->assertSame($valid, $pathvalid);
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    }
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    /**
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     * Test that we can use the SassC compiler if it's provided.
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     *
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     * @dataProvider scss_compilation_provider
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     * @param string $scss The raw scss to compile.
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     * @param string $expectedcss The expected CSS output.
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     */
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    public function test_scss_compilation_with_sassc($scss, $expectedcss) {
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        if (!defined('PHPUNIT_PATH_TO_SASSC')) {
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            $this->markTestSkipped('Path to SassC not provided');
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        }
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        $this->resetAfterTest();
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        set_config('pathtosassc', PHPUNIT_PATH_TO_SASSC);
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        $compiler = new core_scss();
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        $this->assertSame($compiler->compile($scss), $expectedcss);
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    }
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}