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Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402]

   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 qtype_multichoice;
  18  
  19  use question_state;
  20  
  21  defined('MOODLE_INTERNAL') || die();
  22  
  23  global $CFG;
  24  require_once($CFG->dirroot . '/question/engine/lib.php');
  25  require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
  26  
  27  
  28  /**
  29   * Unit tests for the mutiple choice question type.
  30   *
  31   * Note, there are already lots of tests of the multichoice type in the behaviour
  32   * tests. (Search for \test_question_maker::make_a_multichoice.) This file only
  33   * contains a few additional tests for problems that were found during testing.
  34   *
  35   * @package    qtype_multichoice
  36   * @copyright  2010 The Open University
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   * @covers     \qtype_multichoice_single_question
  39   * @covers     \qtype_multichoice_single_base
  40   */
  41  class walkthrough_test extends \qbehaviour_walkthrough_test_base {
  42      public function test_deferredfeedback_feedback_multichoice_single() {
  43  
  44          // Create a multichoice, single question.
  45          $mc = \test_question_maker::make_a_multichoice_single_question();
  46          $mc->shuffleanswers = false;
  47          $mc->answers[14]->fraction = 0.1; // Make one of the choices partially right.
  48          $rightindex = 0;
  49  
  50          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
  51          $this->process_submission(array('answer' => $rightindex));
  52  
  53          // Verify.
  54          $this->check_current_state(question_state::$complete);
  55          $this->check_current_mark(null);
  56          $this->check_current_output(
  57                  $this->get_contains_mc_radio_expectation($rightindex, true, true),
  58                  $this->get_contains_mc_radio_expectation($rightindex + 1, true, false),
  59                  $this->get_contains_mc_radio_expectation($rightindex + 2, true, false),
  60                  $this->get_does_not_contain_correctness_expectation(),
  61                  $this->get_does_not_contain_feedback_expectation());
  62  
  63          // Finish the attempt.
  64          $this->quba->finish_all_questions();
  65  
  66          // Verify.
  67          $this->check_current_state(question_state::$gradedright);
  68          $this->check_current_mark(3);
  69          $this->check_current_output(
  70                  $this->get_contains_mc_radio_expectation($rightindex, false, true),
  71                  $this->get_contains_correct_expectation(),
  72                  new \question_pattern_expectation('/class="r0 correct"/'),
  73                  new \question_pattern_expectation('/class="r1"/'));
  74  
  75          // Regrade with a new version of the question.
  76          $oldmc = \test_question_maker::make_a_multichoice_single_question();
  77          $oldmc->answers = [
  78              23 => $oldmc->answers[13],
  79              24 => $oldmc->answers[14],
  80              25 => $oldmc->answers[15],
  81          ];
  82          $oldmc->answers[23]->fraction = 0.5;
  83          $oldmc->answers[23]->feedback = 'A is now only partially right';
  84          $oldmc->answers[24]->fraction = 1;
  85          $oldmc->answers[24]->answer = 'B is the new right answer';
  86          $this->quba->regrade_question($this->slot, true, null, $oldmc);
  87  
  88          // Verify.
  89          $this->check_current_mark(1.5);
  90          $this->render();
  91          $this->assertStringContainsString('A is now only partially right', $this->currentoutput);
  92          $this->assertStringContainsString('B is the new right answer', $this->currentoutput);
  93          $this->assertStringNotContainsString(
  94                  get_string('deletedchoice', 'qtype_multichoice'), $this->currentoutput);
  95      }
  96  
  97      public function test_deferredfeedback_feedback_multichoice_single_showstandardunstruction_yes() {
  98  
  99          // Create a multichoice, single question.
 100          $mc = \test_question_maker::make_a_multichoice_single_question();
 101          $mc->showstandardinstruction = true;
 102  
 103          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
 104          $this->render();
 105  
 106          // Check for 'Show standard instruction'.
 107          $standardinstruction = get_string('selectone', 'qtype_multichoice');
 108          $this->assertStringContainsString($standardinstruction, $this->currentoutput);
 109      }
 110  
 111      public function test_deferredfeedback_feedback_multichoice_single_showstandardunstruction_no() {
 112  
 113          // Create a multichoice, single question.
 114          $mc = \test_question_maker::make_a_multichoice_single_question();
 115          $mc->showstandardinstruction = false;
 116  
 117          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
 118          $this->render();
 119  
 120          // Check for 'Show standard instruction'.
 121          $standardinstruction = get_string('selectmulti', 'qtype_multichoice');
 122          $this->assertStringNotContainsString($standardinstruction, $this->currentoutput);
 123      }
 124  
 125      public function test_deferredfeedback_feedback_multichoice_multi() {
 126          // Create a multichoice, multi question.
 127          $mc = \test_question_maker::make_a_multichoice_multi_question();
 128          $mc->shuffleanswers = false;
 129  
 130          $this->start_attempt_at_question($mc, 'deferredfeedback', 2);
 131          $this->process_submission($mc->get_correct_response());
 132          $this->quba->finish_all_questions();
 133  
 134          // Verify.
 135          $this->check_current_state(question_state::$gradedright);
 136          $this->check_current_mark(2);
 137          $this->check_current_output(
 138                  $this->get_contains_mc_checkbox_expectation('choice0', false, true),
 139                  $this->get_contains_mc_checkbox_expectation('choice1', false, false),
 140                  $this->get_contains_mc_checkbox_expectation('choice2', false, true),
 141                  $this->get_contains_mc_checkbox_expectation('choice3', false, false),
 142                  $this->get_contains_correct_expectation(),
 143                  new \question_pattern_expectation('/class="r0 correct"/'),
 144                  new \question_pattern_expectation('/class="r1"/'));
 145      }
 146  
 147      /**
 148       * Test for clear choice option.
 149       */
 150      public function test_deferredfeedback_feedback_multichoice_clearchoice() {
 151  
 152          // Create a multichoice, single question.
 153          $mc = \test_question_maker::make_a_multichoice_single_question();
 154          $mc->shuffleanswers = false;
 155  
 156          $clearchoice = -1;
 157          $rightchoice = 0;
 158          $wrongchoice = 2;
 159  
 160          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
 161  
 162          // Let's first submit the wrong choice (2).
 163          $this->process_submission(array('answer' => $wrongchoice));  // Wrong choice (2).
 164  
 165          $this->check_current_mark(null);
 166          // Clear choice radio should not be checked.
 167          $this->check_current_output(
 168              $this->get_contains_mc_radio_expectation($rightchoice, true, false), // Not checked.
 169              $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false), // Not checked.
 170              $this->get_contains_mc_radio_expectation($rightchoice + 2, true, true), // Wrong choice (2) checked.
 171              $this->get_contains_mc_radio_expectation($clearchoice, true, false), // Not checked.
 172              $this->get_does_not_contain_correctness_expectation(),
 173              $this->get_does_not_contain_feedback_expectation()
 174          );
 175  
 176          // Now, let's clear our previous choice.
 177          $this->process_submission(array('answer' => $clearchoice)); // Clear choice (-1).
 178          $this->check_current_mark(null);
 179  
 180          // This time, the clear choice radio should be the only one checked.
 181          $this->check_current_output(
 182              $this->get_contains_mc_radio_expectation($rightchoice, true, false), // Not checked.
 183              $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false), // Not checked.
 184              $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false), // Not checked.
 185              $this->get_contains_mc_radio_expectation($clearchoice, true, true), // Clear choice radio checked.
 186              $this->get_does_not_contain_correctness_expectation(),
 187              $this->get_does_not_contain_feedback_expectation()
 188          );
 189  
 190          // Finally, let's submit the right choice.
 191          $this->process_submission(array('answer' => $rightchoice)); // Right choice (0).
 192          $this->check_current_state(question_state::$complete);
 193          $this->check_current_mark(null);
 194          $this->check_current_output(
 195              $this->get_contains_mc_radio_expectation($rightchoice, true, true),
 196              $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false),
 197              $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false),
 198              $this->get_contains_mc_radio_expectation($clearchoice, true, false),
 199              $this->get_does_not_contain_correctness_expectation(),
 200              $this->get_does_not_contain_feedback_expectation()
 201          );
 202  
 203          // Finish the attempt.
 204          $this->finish();
 205  
 206          // Verify.
 207          $this->check_current_state(question_state::$gradedright);
 208          $this->check_current_mark(3);
 209          $this->check_current_output(
 210              $this->get_contains_mc_radio_expectation($rightchoice, false, true),
 211              $this->get_contains_correct_expectation(),
 212              new \question_pattern_expectation('/class="r0 correct"/'),
 213              new \question_pattern_expectation('/class="r1"/'));
 214      }
 215  
 216      public function test_each_attempt_builds_on_last_and_regrade() {
 217  
 218          // Create a multichoice, single question.
 219          $mc = \test_question_maker::make_a_multichoice_single_question();
 220          $mc->shuffleanswers = false;
 221  
 222          $rightchoice = 0;
 223  
 224          $this->start_attempt_at_question(clone($mc), 'deferredfeedback', 3);
 225  
 226          // Submit the answer false (correct).
 227          $this->process_submission(['answer' => $rightchoice]);
 228  
 229          // Finish the attempt.
 230          $this->quba->finish_all_questions();
 231  
 232          // Check the state.
 233          $this->check_current_state(question_state::$gradedright);
 234          $this->check_current_mark(3);
 235          $this->check_current_output(
 236              $this->get_contains_mc_radio_expectation($rightchoice, false, true),
 237              $this->get_contains_mc_radio_expectation($rightchoice + 1, false, false),
 238              $this->get_contains_mc_radio_expectation($rightchoice + 2, false, false));
 239  
 240          // Start a new attempt based on the first one.
 241          $firstattemptqa = $this->quba->get_question_attempt($this->slot);
 242          $this->quba = \question_engine::make_questions_usage_by_activity('unit_test',
 243                  \context_system::instance());
 244          $this->quba->set_preferred_behaviour('deferredfeedback');
 245          $this->slot = $this->quba->add_question(clone($mc), 3);
 246          $this->quba->start_question_based_on($this->slot, $firstattemptqa);
 247  
 248          // Verify.
 249          $this->check_current_state(question_state::$complete);
 250          $this->check_current_mark(null);
 251          $this->check_current_output(
 252              $this->get_contains_mc_radio_expectation($rightchoice, true, true),
 253              $this->get_contains_mc_radio_expectation($rightchoice + 1, true, false),
 254              $this->get_contains_mc_radio_expectation($rightchoice + 2, true, false));
 255  
 256          // Finish the attempt without changing the answer.
 257          $this->quba->finish_all_questions();
 258  
 259          // Check the state.
 260          $this->check_current_state(question_state::$gradedright);
 261          $this->check_current_mark(3);
 262          $this->check_current_output(
 263              $this->get_contains_mc_radio_expectation($rightchoice, false, true),
 264              $this->get_contains_mc_radio_expectation($rightchoice + 1, false, false),
 265              $this->get_contains_mc_radio_expectation($rightchoice + 2, false, false));
 266  
 267          // Regrade the attempt - code based on question_usage_by_activity::regrade_question.
 268          $oldqa = $this->quba->get_question_attempt($this->slot);
 269          $newqa = new \question_attempt(clone($mc),
 270                  $oldqa->get_usage_id(), $this->quba->get_observer());
 271          $newqa->set_database_id($oldqa->get_database_id());
 272          $newqa->set_slot($oldqa->get_slot());
 273          $newqa->set_max_mark(3);
 274          $newqa->regrade($oldqa, true);
 275  
 276          // Check the state.
 277          $this->assertEquals(question_state::$gradedright, $newqa->get_state());
 278          $this->assertEquals(3, $newqa->get_mark());
 279      }
 280  
 281      public function test_deferredfeedback_feedback_multichoice_multi_showstandardunstruction_yes() {
 282  
 283          // Create a multichoice, multi question.
 284          $mc = \test_question_maker::make_a_multichoice_multi_question();
 285          $mc->showstandardinstruction = true;
 286  
 287          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
 288          $this->render();
 289  
 290          // Check for 'Show standard instruction'.
 291          $standardinstruction = get_string('selectmulti', 'qtype_multichoice');
 292          $this->assertStringContainsString($standardinstruction, $this->currentoutput);
 293      }
 294  
 295      public function test_deferredfeedback_feedback_multichoice_multi_showstandardunstruction_no() {
 296  
 297          // Create a multichoice, multi question.
 298          $mc = \test_question_maker::make_a_multichoice_multi_question();
 299          $mc->showstandardinstruction = false;
 300  
 301          $this->start_attempt_at_question($mc, 'deferredfeedback', 3);
 302          $this->render();
 303  
 304          // Check for 'Show standard instruction'.
 305          $standardinstruction = \html_writer::tag('legend', get_string('answer'), [
 306              'class' => 'prompt h6 font-weight-normal sr-only'
 307          ]);
 308          $this->assertStringContainsString($standardinstruction, $this->currentoutput);
 309      }
 310  
 311  }