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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/>.

/**
 * Unit tests for mod_resource lib
 *
 * @package    mod_resource
 * @category   external
 * @copyright  2015 Juan Leyva <juan@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @since      Moodle 3.0
 */

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

/**
     * Prepares things before this test case is initialised
     * @return void
     */
    public static function setUpBeforeClass() {
        global $CFG;
        require_once($CFG->dirroot . '/mod/resource/lib.php');
    }

/**
     * Test resource_view
     * @return void
     */
    public function test_resource_view() {
        global $CFG;

$CFG->enablecompletion = 1;
        $this->resetAfterTest();

$this->setAdminUser();
        // Setup test data.
        $course = $this->getDataGenerator()->create_course(array('enablecompletion' => 1));
        $resource = $this->getDataGenerator()->create_module('resource', array('course' => $course->id),
                                                            array('completion' => 2, 'completionview' => 1));
        $context = context_module::instance($resource->cmid);
        $cm = get_coursemodule_from_instance('resource', $resource->id);

// Trigger and capture the event.
        $sink = $this->redirectEvents();

resource_view($resource, $course, $cm, $context);

$events = $sink->get_events();
        // 2 additional events thanks to completion.
        $this->assertCount(3, $events);
        $event = array_shift($events);

// Checking that the event contains the expected values.
        $this->assertInstanceOf('\mod_resource\event\course_module_viewed', $event);
        $this->assertEquals($context, $event->get_context());
        $moodleurl = new \moodle_url('/mod/resource/view.php', array('id' => $cm->id));
        $this->assertEquals($moodleurl, $event->get_url());
        $this->assertEventContextNotUsed($event);
        $this->assertNotEmpty($event->get_name());

// Check completion status.
        $completion = new completion_info($course);
        $completiondata = $completion->get_data($cm);
        $this->assertEquals(1, $completiondata->completionstate);

}

/**
     * Tests the resource_get_coursemodule_info function.
     *
     * Note: This currently doesn't test every aspect of the function, mainly focusing on the icon.
     */
    public function test_get_coursemodule_info() {
        global $DB, $USER;

$this->resetAfterTest();
        $this->setAdminUser();

// Create course.
        $generator = $this->getDataGenerator();
        $course = $generator->create_course();

// Create a resource with no files.
        $draftid = file_get_unused_draft_itemid();
        $resource1 = $generator->create_module('resource', array('course' => $course->id,
                'name' => 'R1', 'files' => $draftid));

// Create a resource with one file.
        $draftid = file_get_unused_draft_itemid();
        $contextid = context_user::instance($USER->id)->id;
        $filerecord = array('component' => 'user', 'filearea' => 'draft', 'contextid' => $contextid,
                'itemid' => $draftid, 'filename' => 'r2.txt', 'filepath' => '/');
        $fs = get_file_storage();
        $fs->create_file_from_string($filerecord, 'Test');
        $resource2 = $generator->create_module('resource', array('course' => $course->id,
                'name' => 'R2', 'files' => $draftid));

// Create a resource with two files.
        $draftid = file_get_unused_draft_itemid();
        $filerecord = array('component' => 'user', 'filearea' => 'draft', 'contextid' => $contextid,
                'itemid' => $draftid, 'filename' => 'r3.txt', 'filepath' => '/', 'sortorder' => 1);
        $fs->create_file_from_string($filerecord, 'Test');
        $filerecord['filename'] = 'r3.doc';
        $filerecord['sortorder'] = 2;
        $fs->create_file_from_string($filerecord, 'Test');
        $resource3 = $generator->create_module('resource', array('course' => $course->id,
                'name' => 'R3', 'files' => $draftid));

// Try get_coursemodule_info for first one.
        $info = resource_get_coursemodule_info(
                $DB->get_record('course_modules', array('id' => $resource1->cmid)));

// The name should be set. There is no overridden icon.
        $this->assertEquals('R1', $info->name);
        $this->assertEmpty($info->icon);

// For second one, there should be an overridden icon.
        $info = resource_get_coursemodule_info(
                $DB->get_record('course_modules', array('id' => $resource2->cmid)));
        $this->assertEquals('R2', $info->name);
        $this->assertEquals('f/text-24', $info->icon);

// For third one, it should use the highest sortorder icon.
        $info = resource_get_coursemodule_info(
                $DB->get_record('course_modules', array('id' => $resource3->cmid)));
        $this->assertEquals('R3', $info->name);
        $this->assertEquals('f/document-24', $info->icon);
    }

public function test_resource_core_calendar_provide_event_action() {
        $this->resetAfterTest();
        $this->setAdminUser();

// Create the activity.
        $course = $this->getDataGenerator()->create_course();
        $resource = $this->getDataGenerator()->create_module('resource', array('course' => $course->id));

// Create a calendar event.
        $event = $this->create_action_event($course->id, $resource->id,
            \core_completion\api::COMPLETION_EVENT_TYPE_DATE_COMPLETION_EXPECTED);

// Create an action factory.
        $factory = new \core_calendar\action_factory();

// Decorate action event.
        $actionevent = mod_resource_core_calendar_provide_event_action($event, $factory);

// Confirm the event was decorated.
        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);
        $this->assertEquals(get_string('view'), $actionevent->get_name());
        $this->assertInstanceOf('moodle_url', $actionevent->get_url());
        $this->assertEquals(1, $actionevent->get_item_count());
        $this->assertTrue($actionevent->is_actionable());
    }

public function test_resource_core_calendar_provide_event_action_already_completed() {
        global $CFG;

$this->resetAfterTest();
        $this->setAdminUser();

$CFG->enablecompletion = 1;

// Create the activity.
        $course = $this->getDataGenerator()->create_course(array('enablecompletion' => 1));
        $resource = $this->getDataGenerator()->create_module('resource', array('course' => $course->id),
            array('completion' => 2, 'completionview' => 1, 'completionexpected' => time() + DAYSECS));

// Get some additional data.
        $cm = get_coursemodule_from_instance('resource', $resource->id);

// Create a calendar event.
        $event = $this->create_action_event($course->id, $resource->id,
            \core_completion\api::COMPLETION_EVENT_TYPE_DATE_COMPLETION_EXPECTED);

// Mark the activity as completed.
        $completion = new completion_info($course);
        $completion->set_module_viewed($cm);

// Create an action factory.
        $factory = new \core_calendar\action_factory();

// Decorate action event.
        $actionevent = mod_resource_core_calendar_provide_event_action($event, $factory);

// Ensure result was null.
        $this->assertNull($actionevent);
    }

/**
     * Test mod_resource_core_calendar_provide_event_action with user override
     */
    public function test_resource_core_calendar_provide_event_action_user_override() {
        global $CFG, $USER;

$this->resetAfterTest();
        $this->setAdminUser();
        $user = $this->getDataGenerator()->create_user();
        $CFG->enablecompletion = 1;

// Get some additional data.
        $cm = get_coursemodule_from_instance('resource', $resource->id);

// Create a calendar event.
        $event = $this->create_action_event($course->id, $resource->id,
            \core_completion\api::COMPLETION_EVENT_TYPE_DATE_COMPLETION_EXPECTED);

// Mark the activity as completed.
        $completion = new completion_info($course);
        $completion->set_module_viewed($cm);

// Create an action factory.
        $factory = new \core_calendar\action_factory();

// Decorate action event.
        $actionevent = mod_resource_core_calendar_provide_event_action($event, $factory, $USER->id);

// Decorate action with a userid override.
        $actionevent2 = mod_resource_core_calendar_provide_event_action($event, $factory, $user->id);

// Ensure result was null because it has been marked as completed for the associated user.
        // Logic was brought across from the "_already_completed" function.
        $this->assertNull($actionevent);

// Confirm the event was decorated.
        $this->assertNotNull($actionevent2);
        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent2);
        $this->assertEquals(get_string('view'), $actionevent2->get_name());
        $this->assertInstanceOf('moodle_url', $actionevent2->get_url());
        $this->assertEquals(1, $actionevent2->get_item_count());
        $this->assertTrue($actionevent2->is_actionable());
    }

/**
     * Creates an action event.
     *
     * @param int $courseid The course id.
     * @param int $instanceid The instance id.
     * @param string $eventtype The event type.
     * @return bool|calendar_event
     */
    private function create_action_event($courseid, $instanceid, $eventtype) {
        $event = new stdClass();
        $event->name = 'Calendar event';
        $event->modulename  = 'resource';
        $event->courseid = $courseid;
        $event->instance = $instanceid;
        $event->type = CALENDAR_EVENT_TYPE_ACTION;
        $event->eventtype = $eventtype;
        $event->timestart = time();

return calendar_event::create($event);
    }
}