/**
* Test get_user_best_grade
*/
public function test_get_user_best_grade()
{
global $DB;
$this->setUser($this->student);
$result = mod_quiz_external::get_user_best_grade($this->quiz->id);
$result = external_api::clean_returnvalue(mod_quiz_external::get_user_best_grade_returns(), $result);
// No grades yet.
$this->assertFalse($result['hasgrade']);
$this->assertTrue(!isset($result['grade']));
$grade = new stdClass();
$grade->quiz = $this->quiz->id;
$grade->userid = $this->student->id;
$grade->grade = 8.9;
$grade->timemodified = time();
$grade->id = $DB->insert_record('quiz_grades', $grade);
$result = mod_quiz_external::get_user_best_grade($this->quiz->id);
$result = external_api::clean_returnvalue(mod_quiz_external::get_user_best_grade_returns(), $result);
// Now I have grades.
$this->assertTrue($result['hasgrade']);
$this->assertEquals(8.9, $result['grade']);
// We should not see other users grades.
$anotherstudent = self::getDataGenerator()->create_user();
$this->getDataGenerator()->enrol_user($anotherstudent->id, $this->course->id, $this->studentrole->id, 'manual');
try {
mod_quiz_external::get_user_best_grade($this->quiz->id, $anotherstudent->id);
$this->fail('Exception expected due to missing capability.');
} catch (required_capability_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
// Teacher must be able to see student grades.
$this->setUser($this->teacher);
$result = mod_quiz_external::get_user_best_grade($this->quiz->id, $this->student->id);
$result = external_api::clean_returnvalue(mod_quiz_external::get_user_best_grade_returns(), $result);
$this->assertTrue($result['hasgrade']);
$this->assertEquals(8.9, $result['grade']);
// Invalid user.
try {
mod_quiz_external::get_user_best_grade($this->quiz->id, -1);
$this->fail('Exception expected due to missing capability.');
} catch (dml_missing_record_exception $e) {
$this->assertEquals('invaliduser', $e->errorcode);
}
// Remove the created data.
$DB->delete_records('quiz_grades', array('id' => $grade->id));
}
