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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/>.
namespace mod_h5pactivity\xapi;
use \core_xapi\local\statement;
use \core_xapi\local\statement\item_agent;
use \core_xapi\local\statement\item_activity;
use \core_xapi\local\statement\item_definition;
use \core_xapi\local\statement\item_verb;
use \core_xapi\local\statement\item_result;
use context_module;
use core_xapi\test_helper;
use stdClass;
/**
* Attempt tests class for mod_h5pactivity.
*
* @package mod_h5pactivity
* @category test
* @copyright 2020 Ferran Recio <ferran@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @covers \mod_h5pactivity\xapi\handler
*/
final class handler_test extends \advanced_testcase {
/**
* Setup to ensure that fixtures are loaded.
*/
public static function setUpBeforeClass(): void {
global $CFG;
require_once($CFG->dirroot.'/lib/xapi/tests/helper.php');
}
/**
* Generate a valid scenario for each tests.
*
* @return stdClass an object with all scenario data in it
*/
private function generate_testing_scenario(): stdClass {
$this->resetAfterTest();
$this->setAdminUser();
$data = new stdClass();
$data->course = $this->getDataGenerator()->create_course();
// Generate 2 users, one enroled into course and one not.
$data->student = $this->getDataGenerator()->create_and_enrol($data->course, 'student');
$data->otheruser = $this->getDataGenerator()->create_user();
// H5P activity.
$data->activity = $this->getDataGenerator()->create_module('h5pactivity', ['course' => $data->course]);
$data->context = context_module::instance($data->activity->cmid);
$data->xapihandler = handler::create('mod_h5pactivity');
$this->assertNotEmpty($data->xapihandler);
$this->assertInstanceOf('\mod_h5pactivity\xapi\handler', $data->xapihandler);
$this->setUser($data->student);
return $data;
}
/**
* Test for xapi_handler with valid statements.
*/
public function test_xapi_handler(): void {
global $DB;
$data = $this->generate_testing_scenario();
$xapihandler = $data->xapihandler;
$context = $data->context;
$student = $data->student;
$otheruser = $data->otheruser;
// Check we have 0 entries in the attempts tables.
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(0, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(0, $count);
$statements = $this->generate_statements($context, $student);
// Insert first statement.
$event = $xapihandler->statement_to_event($statements[0]);
$this->assertNotNull($event);
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(1, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(1, $count);
// Insert second statement.
$event = $xapihandler->statement_to_event($statements[1]);
$this->assertNotNull($event);
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(1, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(2, $count);
// Insert again first statement.
$event = $xapihandler->statement_to_event($statements[0]);
$this->assertNotNull($event);
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(2, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(3, $count);
// Insert again second statement.
$event = $xapihandler->statement_to_event($statements[1]);
$this->assertNotNull($event);
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(2, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(4, $count);
}
/**
* Testing wrong statements scenarios.
*
* @dataProvider xapi_handler_errors_data
* @param bool $hasverb valid verb
* @param bool $hasdefinition generate definition
* @param bool $hasresult generate result
* @param bool $hascontext valid context
* @param bool $hasuser valid user
* @param bool $generateattempt if generates an empty attempt
*/
public function test_xapi_handler_errors(bool $hasverb, bool $hasdefinition, bool $hasresult,
bool $hascontext, bool $hasuser, bool $generateattempt): void {
global $DB, $CFG;
$data = $this->generate_testing_scenario();
$xapihandler = $data->xapihandler;
$context = $data->context;
$student = $data->student;
$otheruser = $data->otheruser;
// Check we have 0 entries in the attempts tables.
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(0, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(0, $count);
$statement = new statement();
if ($hasverb) {
$statement->set_verb(item_verb::create_from_id('http://adlnet.gov/expapi/verbs/completed'));
} else {
$statement->set_verb(item_verb::create_from_id('cook'));
}
$definition = null;
if ($hasdefinition) {
$definition = item_definition::create_from_data((object)[
'interactionType' => 'compound',
'correctResponsesPattern' => '1',
]);
}
if ($hascontext) {
$statement->set_object(item_activity::create_from_id($context->id, $definition));
} else {
$statement->set_object(item_activity::create_from_id('paella', $definition));
}
if ($hasresult) {
$statement->set_result(item_result::create_from_data((object)[
'completion' => true,
'success' => true,
'score' => (object) ['min' => 0, 'max' => 2, 'raw' => 2, 'scaled' => 1],
]));
}
if ($hasuser) {
$statement->set_actor(item_agent::create_from_user($student));
} else {
$statement->set_actor(item_agent::create_from_user($otheruser));
}
$event = $xapihandler->statement_to_event($statement);
$this->assertNull($event);
// No enties should be generated.
$count = $DB->count_records('h5pactivity_attempts');
$attempts = ($generateattempt) ? 1 : 0;
$this->assertEquals($attempts, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(0, $count);
}
/**
* Data provider for data request creation tests.
*
* @return array
*/
public static function xapi_handler_errors_data(): array {
return [
// Invalid Definitions and results possibilities.
'Invalid definition and result' => [
true, false, false, true, true, false
],
'Invalid result' => [
true, true, false, true, true, false
],
'Invalid definition (generate empty attempt)' => [
true, false, true, true, true, true
],
// Invalid verb possibilities.
'Invalid verb, definition and result' => [
false, false, false, true, true, false
],
'Invalid verb and result' => [
false, true, false, true, true, false
],
'Invalid verb and definition' => [
false, false, true, true, true, false
],
// Invalid context possibilities.
'Invalid definition, result and context' => [
true, false, false, false, true, false
],
'Invalid result and context' => [
true, true, false, false, true, false
],
'Invalid definition and context' => [
true, false, true, false, true, false
],
'Invalid verb, definition result and context' => [
false, false, false, false, true, false
],
'Invalid verb, result and context' => [
false, true, false, false, true, false
],
'Invalid verb, definition and context' => [
false, false, true, false, true, false
],
// Invalid user possibilities.
'Invalid definition, result and user' => [
true, false, false, true, false, false
],
'Invalid result and user' => [
true, true, false, true, false, false
],
'Invalid definition and user' => [
true, false, true, true, false, false
],
'Invalid verb, definition, result and user' => [
false, false, false, true, false, false
],
'Invalid verb, result and user' => [
false, true, false, true, false, false
],
'Invalid verb, definition and user' => [
false, false, true, true, false, false
],
'Invalid definition, result, context and user' => [
true, false, false, false, false, false
],
'Invalid result, context and user' => [
true, true, false, false, false, false
],
'Invalid definition, context and user' => [
true, false, true, false, false, false
],
'Invalid verb, definition, result, context and user' => [
false, false, false, false, false, false
],
'Invalid verb, result, context and user' => [
false, true, false, false, false, false
],
'Invalid verb, definition, context and user' => [
false, false, true, false, false, false
],
];
}
/**
* Test xapi_handler stored statements.
*/
public function test_stored_statements(): void {
global $DB;
$data = $this->generate_testing_scenario();
$xapihandler = $data->xapihandler;
$context = $data->context;
$student = $data->student;
$otheruser = $data->otheruser;
$activity = $data->activity;
// Check we have 0 entries in the attempts tables.
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(0, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(0, $count);
$statements = $this->generate_statements($context, $student);
// Insert statements.
$stored = $xapihandler->process_statements($statements);
$this->assertCount(2, $stored);
$this->assertEquals(true, $stored[0]);
$this->assertEquals(true, $stored[1]);
$count = $DB->count_records('h5pactivity_attempts');
$this->assertEquals(1, $count);
$count = $DB->count_records('h5pactivity_attempts_results');
$this->assertEquals(2, $count);
// Validate stored data.
$attempts = $DB->get_records('h5pactivity_attempts');
$attempt = array_shift($attempts);
$statement = $statements[0];
$data = $statement->get_result()->get_data();
$this->assertEquals(1, $attempt->attempt);
$this->assertEquals($student->id, $attempt->userid);
$this->assertEquals($activity->id, $attempt->h5pactivityid);
$this->assertEquals($data->score->raw, $attempt->rawscore);
$this->assertEquals($data->score->max, $attempt->maxscore);
$this->assertEquals($statement->get_result()->get_duration(), $attempt->duration);
$this->assertEquals($data->completion, $attempt->completion);
$this->assertEquals($data->success, $attempt->success);
$results = $DB->get_records('h5pactivity_attempts_results');
foreach ($results as $result) {
$statement = (empty($result->subcontent)) ? $statements[0] : $statements[1];
$xapiresult = $statement->get_result()->get_data();
$xapiobject = $statement->get_object()->get_data();
$this->assertEquals($attempt->id, $result->attemptid);
$this->assertEquals($xapiobject->definition->interactionType, $result->interactiontype);
$this->assertEquals($xapiresult->score->raw, $result->rawscore);
$this->assertEquals($xapiresult->score->max, $result->maxscore);
$this->assertEquals($statement->get_result()->get_duration(), $result->duration);
$this->assertEquals($xapiresult->completion, $result->completion);
$this->assertEquals($xapiresult->success, $result->success);
}
}
/**
* Returns a basic xAPI statements simulating a H5P content.
*
* @param context_module $context activity context
* @param stdClass $user user record
* @return statement[] array of xAPI statements
*/
private function generate_statements(context_module $context, stdClass $user): array {
$statements = [];
$statement = new statement();
$statement->set_actor(item_agent::create_from_user($user));
$statement->set_verb(item_verb::create_from_id('http://adlnet.gov/expapi/verbs/completed'));
$definition = item_definition::create_from_data((object)[
'interactionType' => 'compound',
'correctResponsesPattern' => '1',
]);
$statement->set_object(item_activity::create_from_id($context->id, $definition));
$statement->set_result(item_result::create_from_data((object)[
'completion' => true,
'success' => true,
'score' => (object) ['min' => 0, 'max' => 2, 'raw' => 2, 'scaled' => 1],
'duration' => 'PT25S',
]));
$statements[] = $statement;
$statement = new statement();
$statement->set_actor(item_agent::create_from_user($user));
$statement->set_verb(item_verb::create_from_id('http://adlnet.gov/expapi/verbs/completed'));
$definition = item_definition::create_from_data((object)[
'interactionType' => 'matching',
'correctResponsesPattern' => '1',
]);
$statement->set_object(item_activity::create_from_id($context->id.'?subContentId=111-222-333', $definition));
$statement->set_result(item_result::create_from_data((object)[
'completion' => true,
'success' => true,
'score' => (object) ['min' => 0, 'max' => 1, 'raw' => 0, 'scaled' => 0],
'duration' => 'PT20S',
]));
$statements[] = $statement;
return $statements;
}
/**
* Test validate_state method.
*/
public function test_validate_state(): void {
global $DB;
$this->resetAfterTest();
/** @var \core_h5p_generator $generator */
$generator = $this->getDataGenerator()->get_plugin_generator('core_h5p');
// Create a valid H5P activity with a valid xAPI state.
$course = $this->getDataGenerator()->create_course();
$user = $this->getDataGenerator()->create_and_enrol($course, 'student');
$this->setUser($user);
$activity = $this->getDataGenerator()->create_module('h5pactivity', ['course' => $course]);
$coursecontext = \context_course::instance($course->id);
$activitycontext = \context_module::instance($activity->cmid);
$component = 'mod_h5pactivity';
$filerecord = [
'contextid' => $activitycontext->id,
'component' => $component,
'filearea' => 'package',
'itemid' => 0,
'filepath' => '/',
'filename' => 'dummy.h5p',
'addxapistate' => true,
];
$generator->generate_h5p_data(false, $filerecord);
$handler = handler::create($component);
// Change the method visibility for validate_state in order to test it.
$method = new \ReflectionMethod(handler::class, 'validate_state');
// The activity id should be numeric.
$state = test_helper::create_state(['activity' => item_activity::create_from_id('AA')]);
$result = $method->invoke($handler, $state);
$this->assertFalse($result);
// The activity id should exist.
$state = test_helper::create_state();
$result = $method->invoke($handler, $state);
$this->assertFalse($result);
// The given activity should be H5P activity.
$forum = $this->getDataGenerator()->create_module('forum', ['course' => $course]);
$state = test_helper::create_state([
'activity' => item_activity::create_from_id($forum->cmid),
]);
$result = $method->invoke($handler, $state);
$this->assertFalse($result);
// Tracking should be enabled for the H5P activity.
$state = test_helper::create_state([
'activity' => item_activity::create_from_id($activitycontext->id),
'component' => $component,
]);
$result = $method->invoke($handler, $state);
$this->assertTrue($result);
// So, when tracking is disabled, the state won't be considered valid.
$activity2 = $this->getDataGenerator()->create_module('h5pactivity', ['course' => $course, 'enabletracking' => 0]);
$activitycontext2 = \context_module::instance($activity2->cmid);
$state = test_helper::create_state([
'activity' => item_activity::create_from_id($activitycontext2->id),
'component' => $component,
]);
$result = $method->invoke($handler, $state);
$this->assertFalse($result);
// The user should have permission to submit.
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
assign_capability('mod/h5pactivity:submit', CAP_PROHIBIT, $studentrole->id, $coursecontext->id);
// Empty all the caches that may be affected by this change.
accesslib_clear_all_caches_for_unit_testing();
\course_modinfo::clear_instance_cache();
$state = test_helper::create_state([
'activity' => item_activity::create_from_id($activitycontext->id),
'component' => $component,
]);
$result = $method->invoke($handler, $state);
$this->assertFalse($result);
}
}