Proyectos de Subversion Moodle

<?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/>.

namespace core;

use file_info_context_course;

use file_info_context_coursecat;

use file_info_context_module;

use file_info_stored;

use stdClass;

/**

 * Unit tests for file browser

 *

 * @package    core

 * @copyright  2017 Marina Glancy

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

final class file_browser_test extends \advanced_testcase {

    /** @var int */

    protected $initialnonempty;

    /** @var int */

    protected $initialcategories;

    /** @var int */

    protected $initialcourses;

    /** @var int */

    protected $initialjpg;

    /** @var stdClass */

    protected $course1;

    /** @var stdClass */

    protected $course2;

    /** @var stdClass */

    protected $module1;

    /** @var stdClass */

    protected $module2;

    /** @var array */

    protected $course1filerecord;

    /** @var stdClass */

    protected $teacher;

    /** @var stdClass */

    protected $teacherrole;

    /**

     * Set up

     */

    public function setUp(): void {

        global $DB;

        parent::setUp();

        $this->resetAfterTest();

        $this->setAdminUser();

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_system::instance());

        $this->initialnonempty = $fileinfo->count_non_empty_children();

        $this->initialcategories = count(array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_coursecat;

        }));

        $this->initialcourses = count(array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_course;

        }));

        $this->initialcourses -= 1; // This includes the site course by default.

        $this->initialjpg = $fileinfo->count_non_empty_children(['.jpg']);

        $this->getDataGenerator()->create_category(); // Empty category.

        $this->course1 = $this->getDataGenerator()->create_course(); // Empty course.

        $this->course2 = $this->getDataGenerator()->create_course();

        // Add a file to course1 summary.

        $coursecontext1 = \context_course::instance($this->course1->id);

        $this->course1filerecord = array('contextid' => $coursecontext1->id,

            'component' => 'course',

            'filearea' => 'summary',

            'itemid' => '0',

            'filepath' => '/',

            'filename' => 'summaryfile.jpg');

        $fs = get_file_storage();

        $fs->create_file_from_string($this->course1filerecord, 'IMG');

        $this->module1 = $this->getDataGenerator()->create_module('resource', ['course' => $this->course2->id]); // Contains 1 file.

        $this->module2 = $this->getDataGenerator()->create_module('assign', ['course' => $this->course2->id]); // Contains no files.

        $this->teacher = $this->getDataGenerator()->create_user();

        $this->teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));

        // Make sure we're testing what should be the default capabilities.

        assign_capability('moodle/restore:viewautomatedfilearea', CAP_ALLOW, $this->teacherrole->id, $coursecontext1);

        $this->getDataGenerator()->enrol_user($this->teacher->id, $this->course1->id, $this->teacherrole->id);

        $this->getDataGenerator()->enrol_user($this->teacher->id, $this->course2->id, $this->teacherrole->id);

        $this->setUser($this->teacher);

    }

    /**

     * Test "Server files" from the system context

     */

    public function test_file_info_context_system(): void {

        // There is one non-empty category child and two category children.

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_system::instance());

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $this->assertEquals($this->initialnonempty + 1, count($fileinfo->get_non_empty_children()));

        $categorychildren = array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_coursecat;

        });

        $this->assertEquals($this->initialcategories + 1, count($categorychildren));

    }

    /**

     * Test "Server files" from the system context, hide Misc category

     */

    public function test_file_info_context_system_hidden(): void {

        // Hide the course category that contains our two courses. Teacher does not have cap to view hidden categories.

        \core_course_category::get($this->course1->category)->update(['visible' => 0]);

        // We should have two non-empty children in system context (courses).

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_system::instance());

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $this->assertEquals($this->initialnonempty + 2, count($fileinfo->get_non_empty_children()));

        // Should be 1 category children (empty category).

        $categorychildren = array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_coursecat;

        });

        $this->assertEquals($this->initialcategories, count($categorychildren));

        // Should be 2 course children - courses that belonged to hidden subcategory are now direct children of "System".

        $coursechildren = array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_course;

        });

        $this->assertEquals($this->initialcourses + 2, count($coursechildren));

    }

    /**

     * Test "Server files" from the course category context

     */

    public function test_file_info_context_coursecat(): void {

        // There are two non-empty courses.

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_coursecat::instance($this->course2->category));

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $this->assertEquals(2, count($fileinfo->get_non_empty_children()));

        $coursechildren = array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_course;

        });

        $this->assertEquals($this->initialcourses + 2, count($coursechildren));

    }

    /**

     * Test "Server files" from the course category context, only look for .jpg

     */

    public function test_file_info_context_coursecat_jpg(): void {

        // There is one non-empty category child and two category children.

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_system::instance());

        $this->assertNotEmpty($fileinfo->count_non_empty_children(['.jpg']));

        $this->assertEquals($this->initialjpg + 1, count($fileinfo->get_non_empty_children(['.jpg'])));

    }

    /**

     * Test "Server files" from the course context (course1)

     */

    public function test_file_info_context_course_1(): void {

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_course::instance($this->course1->id));

        // Fileinfo element has only one non-empty child - "Course summary" file area.

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $nonemptychildren = $fileinfo->get_non_empty_children();

        $this->assertEquals(1, count($nonemptychildren));

        $child = reset($nonemptychildren);

        $this->assertTrue($child instanceof file_info_stored);

        $this->assertEquals(['filename' => '.'] + $this->course1filerecord, $child->get_params());

        // Filearea "Course summary" has a child that is the actual image file.

        $this->assertEquals($this->course1filerecord, $child->get_children()[0]->get_params());

        // There are seven course-level file areas available to teachers with default caps and no modules in this course.

        $allchildren = $fileinfo->get_children();

        $this->assertEquals(7, count($allchildren));

        $modulechildren = array_filter($allchildren, function($a) {

            return $a instanceof file_info_context_module;

        });

        $this->assertEquals(0, count($modulechildren));

        // Admin can see seven course-level file areas.

        $this->setAdminUser();

        $fileinfo = $browser->get_file_info(\context_course::instance($this->course1->id));

        $this->assertEquals(7, count($fileinfo->get_children()));

    }

    /**

     * Test "Server files" from the course context (course1)

     */

    public function test_file_info_context_course_2(): void {

        // 2. Start from the course level.

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info(\context_course::instance($this->course2->id));

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $nonemptychildren = $fileinfo->get_non_empty_children();

        $this->assertEquals(1, count($nonemptychildren));

        $child = reset($nonemptychildren);

        $this->assertTrue($child instanceof file_info_context_module);

        $this->assertEquals($this->module1->name.' (File)', $child->get_visible_name());

        $this->assertEquals(1, count($child->get_non_empty_children()));

        $this->assertEquals(1, $child->count_non_empty_children());

        $modulechildren = array_filter($fileinfo->get_children(), function($a) {

            return $a instanceof file_info_context_module;

        });

        $this->assertEquals(2, count($modulechildren));

    }

    /**

     * Test "Server files" from the course context (module1)

     */

    public function test_file_info_context_module_1(): void {

        $module1context = \context_module::instance($this->module1->cmid);

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info($module1context);

        $this->assertEquals($this->module1->name . ' (File)', $fileinfo->get_visible_name());

        $this->assertNotEmpty($fileinfo->count_non_empty_children());

        $nonemptychildren = $fileinfo->get_non_empty_children();

        $this->assertEquals(1, count($nonemptychildren));

        $child = reset($nonemptychildren);

        $this->assertTrue($child instanceof file_info_stored);

    }

    /**

     * Test "Server files" from the course context (module1)

     */

    public function test_file_info_context_module_2(): void {

        $module2context = \context_module::instance($this->module2->cmid);

        $browser = get_file_browser();

        $fileinfo = $browser->get_file_info($module2context);

        $this->assertEquals($this->module2->name.' (Assignment)', $fileinfo->get_visible_name());

        $this->assertEmpty($fileinfo->count_non_empty_children());

        $nonemptychildren = $fileinfo->get_non_empty_children();

        $this->assertEquals(0, count($nonemptychildren));

    }

}