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MDL-52788 mod_quiz: New Web Service mod_quiz_start_attempt

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This commit is contained in:
Juan Leyva 2016-01-15 14:43:08 +01:00
parent 0057c2ced6
commit b89544404e
4 changed files with 293 additions and 29 deletions
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117
mod/quiz/tests/external_test.php
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@ -585,4 +585,121 @@ class mod_quiz_external_testcase extends externallib_advanced_testcase {
}
}
/**
* Test start_attempt
*/
public function test_start_attempt() {
global $DB;
// Create a new quiz with attempts.
$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
$data = array('course' => $this->course->id,
'sumgrades' => 1);
$quiz = $quizgenerator->create_instance($data);
$context = context_module::instance($quiz->cmid);
try {
mod_quiz_external::start_attempt($quiz->id);
$this->fail('Exception expected due to missing questions.');
} catch (moodle_quiz_exception $e) {
$this->assertEquals('noquestionsfound', $e->errorcode);
}
// Create a question.
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
$cat = $questiongenerator->create_question_category();
$question = $questiongenerator->create_question('numerical', null, array('category' => $cat->id));
quiz_add_quiz_question($question->id, $quiz);
$quizobj = quiz::create($quiz->id, $this->student->id);
// Set grade to pass.
$item = grade_item::fetch(array('courseid' => $this->course->id, 'itemtype' => 'mod',
'itemmodule' => 'quiz', 'iteminstance' => $quiz->id, 'outcomeid' => null));
$item->gradepass = 80;
$item->update();
$this->setUser($this->student);
// Try to open attempt in closed quiz.
$quiz->timeopen = time() - WEEKSECS;
$quiz->timeclose = time() - DAYSECS;
$DB->update_record('quiz', $quiz);
$result = mod_quiz_external::start_attempt($quiz->id);
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals([], $result['attempt']);
$this->assertCount(1, $result['warnings']);
// Now with a password.
$quiz->timeopen = 0;
$quiz->timeclose = 0;
$quiz->password = 'abc';
$DB->update_record('quiz', $quiz);
try {
mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'bad')));
$this->fail('Exception expected due to invalid passwod.');
} catch (moodle_exception $e) {
$this->assertEquals(get_string('passworderror', 'quizaccess_password'), $e->errorcode);
}
// Now, try everything correct.
$result = mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals(1, $result['attempt']['attempt']);
$this->assertEquals($this->student->id, $result['attempt']['userid']);
$this->assertEquals($quiz->id, $result['attempt']['quiz']);
$this->assertCount(0, $result['warnings']);
$attemptid = $result['attempt']['id'];
// We are good, try to start a new attempt now.
try {
mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$this->fail('Exception expected due to attempt not finished.');
} catch (moodle_quiz_exception $e) {
$this->assertEquals('attemptstillinprogress', $e->errorcode);
}
// Finish the started attempt.
// Process some responses from the student.
$timenow = time();
$attemptobj = quiz_attempt::create($attemptid);
$tosubmit = array(1 => array('answer' => '3.14'));
$attemptobj->process_submitted_actions($timenow, false, $tosubmit);
// Finish the attempt.
$attemptobj = quiz_attempt::create($attemptid);
$this->assertTrue($attemptobj->has_response_to_at_least_one_graded_question());
$attemptobj->process_finish($timenow, false);
// We should be able to start a new attempt.
$result = mod_quiz_external::start_attempt($quiz->id, array(array("name" => "quizpassword", "value" => 'abc')));
$result = external_api::clean_returnvalue(mod_quiz_external::start_attempt_returns(), $result);
$this->assertEquals(2, $result['attempt']['attempt']);
$this->assertEquals($this->student->id, $result['attempt']['userid']);
$this->assertEquals($quiz->id, $result['attempt']['quiz']);
$this->assertCount(0, $result['warnings']);
// Test user with no capabilities.
// We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.
assign_capability('mod/quiz:attempt', CAP_PROHIBIT, $this->studentrole->id, $context->id);
// Empty all the caches that may be affected by this change.
accesslib_clear_all_caches_for_unit_testing();
course_modinfo::clear_instance_cache();
try {
mod_quiz_external::start_attempt($quiz->id);
$this->fail('Exception expected due to missing capability.');
} catch (required_capability_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}
}