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Differences Between: [Versions 310 and 401] [Versions 39 and 401]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core_question;
  18  
  19  use question_attempt;
  20  use question_attempt_step;
  21  use question_state;
  22  use testable_question_attempt;
  23  
  24  defined('MOODLE_INTERNAL') || die();
  25  
  26  global $CFG;
  27  require_once (__DIR__ . '/../lib.php');
  28  require_once (__DIR__ . '/helpers.php');
  29  
  30  /**
  31   * These tests use a standard fixture of a {@link question_attempt} with three steps.
  32   *
  33   * Action methods like start, process_action and finish are assumed to be
  34   * tested by walkthrough tests in the various behaviours.
  35   *
  36   * @package    core_question
  37   * @category   test
  38   * @copyright  2009 The Open University
  39   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   */
  41  class questionattempt_with_steps_test extends \advanced_testcase {
  42      private $question;
  43      private $qa;
  44  
  45      protected function setUp(): void {
  46          $this->question = \test_question_maker::make_question('description');
  47          $this->qa = new testable_question_attempt($this->question, 0, null, 2);
  48          for ($i = 0; $i < 3; $i++) {
  49              $step = new question_attempt_step(array('i' => $i));
  50              $this->qa->add_step($step);
  51          }
  52      }
  53  
  54      protected function tearDown(): void {
  55          $this->qa = null;
  56      }
  57  
  58      public function test_get_step_before_start() {
  59          $this->expectException(\moodle_exception::class);
  60          $step = $this->qa->get_step(-1);
  61      }
  62  
  63      public function test_get_step_at_start() {
  64          $step = $this->qa->get_step(0);
  65          $this->assertEquals(0, $step->get_qt_var('i'));
  66      }
  67  
  68      public function test_get_step_at_end() {
  69          $step = $this->qa->get_step(2);
  70          $this->assertEquals(2, $step->get_qt_var('i'));
  71      }
  72  
  73      public function test_get_step_past_end() {
  74          $this->expectException(\moodle_exception::class);
  75          $step = $this->qa->get_step(3);
  76      }
  77  
  78      public function test_get_num_steps() {
  79          $this->assertEquals(3, $this->qa->get_num_steps());
  80      }
  81  
  82      public function test_get_last_step() {
  83          $step = $this->qa->get_last_step();
  84          $this->assertEquals(2, $step->get_qt_var('i'));
  85      }
  86  
  87      public function test_get_last_qt_var_there1() {
  88          $this->assertEquals(2, $this->qa->get_last_qt_var('i'));
  89      }
  90  
  91      public function test_get_last_qt_var_there2() {
  92          $this->qa->get_step(0)->set_qt_var('_x', 'a value');
  93          $this->assertEquals('a value', $this->qa->get_last_qt_var('_x'));
  94      }
  95  
  96      public function test_get_last_qt_var_missing() {
  97          $this->assertNull($this->qa->get_last_qt_var('notthere'));
  98      }
  99  
 100      public function test_get_last_qt_var_missing_default() {
 101          $this->assertEquals('default', $this->qa->get_last_qt_var('notthere', 'default'));
 102      }
 103  
 104      public function test_get_last_behaviour_var_missing() {
 105          $this->assertNull($this->qa->get_last_qt_var('notthere'));
 106      }
 107  
 108      public function test_get_last_behaviour_var_there() {
 109          $this->qa->get_step(1)->set_behaviour_var('_x', 'a value');
 110          $this->assertEquals('a value', '' . $this->qa->get_last_behaviour_var('_x'));
 111      }
 112  
 113      public function test_get_state_gets_state_of_last() {
 114          $this->qa->get_step(2)->set_state(question_state::$gradedright);
 115          $this->qa->get_step(1)->set_state(question_state::$gradedwrong);
 116          $this->assertEquals(question_state::$gradedright, $this->qa->get_state());
 117      }
 118  
 119      public function test_get_mark_gets_mark_of_last() {
 120          $this->assertEquals(2, $this->qa->get_max_mark());
 121          $this->qa->get_step(2)->set_fraction(0.5);
 122          $this->qa->get_step(1)->set_fraction(0.1);
 123          $this->assertEquals(1, $this->qa->get_mark());
 124      }
 125  
 126      public function test_get_fraction_gets_fraction_of_last() {
 127          $this->qa->get_step(2)->set_fraction(0.5);
 128          $this->qa->get_step(1)->set_fraction(0.1);
 129          $this->assertEquals(0.5, $this->qa->get_fraction());
 130      }
 131  
 132      public function test_get_fraction_returns_null_if_none() {
 133          $this->assertNull($this->qa->get_fraction());
 134      }
 135  
 136      public function test_format_mark() {
 137          $this->qa->get_step(2)->set_fraction(0.5);
 138          $this->assertEquals('1.00', $this->qa->format_mark(2));
 139      }
 140  
 141      public function test_format_max_mark() {
 142          $this->assertEquals('2.0000000', $this->qa->format_max_mark(7));
 143      }
 144  
 145      public function test_get_min_fraction() {
 146          $this->qa->set_min_fraction(-1);
 147          $this->assertEquals(-1, $this->qa->get_min_fraction());
 148      }
 149  
 150      public function test_cannot_get_min_fraction_before_start() {
 151          $qa = new question_attempt($this->question, 0);
 152          $this->expectException('moodle_exception');
 153          $qa->get_min_fraction();
 154      }
 155  
 156      public function test_get_max_fraction() {
 157          $this->qa->set_max_fraction(2);
 158          $this->assertEquals(2, $this->qa->get_max_fraction());
 159      }
 160  
 161      public function test_cannot_get_max_fraction_before_start() {
 162          $qa = new question_attempt($this->question, 0);
 163          $this->expectException('moodle_exception');
 164          $qa->get_max_fraction();
 165      }
 166  
 167      /**
 168       * Test cases for {@see test_validate_manual_mark()}.
 169       *
 170       * @return array test cases
 171       */
 172      public function validate_manual_mark_cases(): array {
 173          // Recall, the DB schema stores question grade information to 7 decimal places.
 174          return [
 175              [0, 1, 2, null, ''],
 176              [0, 1, 2, '', ''],
 177              [0, 1, 2, '0', ''],
 178              [0, 1, 2, '0.0', ''],
 179              [0, 1, 2, '2,0', ''],
 180              [0, 1, 2, 'frog', get_string('manualgradeinvalidformat', 'question')],
 181              [0, 1, 2, '2.1', get_string('manualgradeoutofrange', 'question')],
 182              [0, 1, 2, '-0,01', get_string('manualgradeoutofrange', 'question')],
 183              [-0.3333333, 1, 0.75, '0.75', ''],
 184              [-0.3333333, 1, 0.75, '0.7500001', get_string('manualgradeoutofrange', 'question')],
 185              [-0.3333333, 1, 0.75, '-0.25', ''],
 186              [-0.3333333, 1, 0.75, '-0.2500001', get_string('manualgradeoutofrange', 'question')],
 187          ];
 188      }
 189  
 190      /**
 191       * Test validate_manual_mark.
 192       *
 193       * @dataProvider validate_manual_mark_cases
 194       *
 195       * @param float $minfraction minimum fraction for the question being attempted.
 196       * @param float $maxfraction maximum fraction for the question being attempted.
 197       * @param float $maxmark marks for the question attempt.
 198       * @param string|null $currentmark submitted mark.
 199       * @param string $expectederror expected error, if any.
 200       */
 201      public function test_validate_manual_mark(float $minfraction, float $maxfraction,
 202              float $maxmark, ?string $currentmark, string $expectederror) {
 203          $this->qa->set_min_fraction($minfraction);
 204          $this->qa->set_max_fraction($maxfraction);
 205          $this->qa->set_max_mark($maxmark);
 206          $this->assertSame($expectederror, $this->qa->validate_manual_mark($currentmark));
 207      }
 208  }