QuizRandomTestCase.test in Quiz 7.5

File

tests/QuizRandomTestCase.test

<?php

/**
 * Tests for random questions.
 *
 * Since this is random by nature, there is a chance that these will fail. We
 * use 5 layout builds to try and mitigate that chance.
 */
class QuizRandomTestCase extends QuizTestCase {
  public static function getInfo() {
    return array(
      'name' => t('Quiz random'),
      'description' => t('Unit test for random quiz question behavior'),
      'group' => t('Quiz'),
    );
  }
  public function setUp($modules = array(), $admin_permissions = array(), $user_permissions = array()) {
    $modules[] = 'quiz_page';
    $modules[] = 'truefalse';
    $modules[] = 'taxonomy';
    parent::setUp($modules);
  }

  /**
   * Test random order of questions.
   */
  public function testRandomOrder() {
    $this
      ->drupalLogin($this->admin);
    $quiz_node = $this
      ->drupalCreateQuiz(array(
      'randomization' => 1,
    ));
    $question_node1 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ));
    $question_node2 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 2 body text',
          ),
        ),
      ),
    ));
    $question_node3 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 3 body text',
          ),
        ),
      ),
    ));
    $question_node4 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 4 body text',
          ),
        ),
      ),
    ));
    $question_node5 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 5 body text',
          ),
        ),
      ),
    ));
    $this
      ->linkQuestionToQuiz($question_node1, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node2, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node3, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node4, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node5, $quiz_node);
    for ($i = 1; $i <= 10; $i++) {
      $questions = quiz_build_question_list($quiz_node);
      $out[$i] = '';
      foreach ($questions as $question) {
        $out[$i] .= $question['nid'];
      }
    }

    // Check that at least one of the orders is different.
    $this
      ->assertNotEqual(count(array_unique($out)), 1, t('At least one set of questions was different.'));

    // Start the quiz.
    $this
      ->drupalLogin($this->user);
    $this
      ->drupalGet("node/{$quiz_node->nid}");
  }

  /**
   * Test random plus required questions from a pool.
   *
   * @todo add test for weighted questions
   */
  public function testRandomQuestions() {
    $this
      ->drupalLogin($this->admin);
    $quiz_node = $this
      ->drupalCreateQuiz(array(
      'randomization' => 2,
      'number_of_random_questions' => 2,
    ));
    $question_node1 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ));
    $question_node2 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 2 body text',
          ),
        ),
      ),
    ));
    $question_node3 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 3 body text',
          ),
        ),
      ),
    ));
    $question_node4 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 4 body text',
          ),
        ),
      ),
    ));
    $question_node5 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 5 body text',
          ),
        ),
      ),
    ));
    $this
      ->linkQuestionToQuiz($question_node1, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node2, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node3, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node4, $quiz_node);
    $this
      ->linkQuestionToQuiz($question_node5, $quiz_node);

    // Set up one required question.
    $this
      ->drupalGet("node/{$quiz_node->nid}/quiz/questions");
    $this
      ->drupalPost(NULL, array(
      "compulsories[{$question_node1->nid}-{$question_node1->vid}]" => TRUE,
    ), t('Submit'));
    for ($i = 1; $i <= 10; $i++) {
      $questions = quiz_build_question_list($quiz_node);
      $this
        ->assertEqual(count($questions), 3, t('Quiz has 3 questions.'));
      $out[$i] = '';
      foreach ($questions as $question) {
        $out[$i] .= $question['nid'];
      }
      $this
        ->assert(strpos($out[$i], $question_node1->nid) !== FALSE, t('Quiz always contains required question 1'));
    }

    // Also check that at least one of the orders is different.
    $this
      ->assertNotEqual(count(array_unique($out)), 1, t('At least one set of questions were different.'));

    // Test number of questions.
    $num_questions = quiz_get_number_of_questions($quiz_node->vid, $quiz_node->nid);
    $this
      ->assertEqual($num_questions, 3);

    // Start the quiz.
    $this
      ->drupalLogin($this->user);
    $this
      ->drupalGet("node/{$quiz_node->nid}");
  }

  /**
   * Test pulling questions from categories.
   *
   * @todo add test for weighted questions
   */
  public function testCategorizedRandomQuestions() {

    // Vocabs.
    $v1 = new stdClass();
    $v1->name = "Vocab 1";
    $v1->machine_name = "vocab1";
    taxonomy_vocabulary_save($v1);

    // Terms.
    $v1t1 = new stdClass();
    $v1t1->vid = $v1->vid;
    $v1t1->name = 'Vocab 1 Term 1';
    taxonomy_term_save($v1t1);
    $v1t2 = new stdClass();
    $v1t2->vid = $v1->vid;
    $v1t2->name = 'Vocab 1 Term 2';
    taxonomy_term_save($v1t2);
    $v1t3 = new stdClass();
    $v1t3->vid = $v1->vid;
    $v1t3->name = 'Vocab 1 Term 3';
    taxonomy_term_save($v1t3);
    $quiz = $this
      ->drupalCreateQuiz(array(
      'randomization' => 3,
    ));

    // Add two terms..
    $quiz_term1 = array(
      'nid' => $quiz->nid,
      'vid' => $quiz->vid,
      'tid' => $v1t1->tid,
      'max_score' => 1,
      'number' => 2,
      'weight' => 0,
    );
    drupal_write_record('quiz_terms', $quiz_term1);
    $quiz_term2 = array(
      'nid' => $quiz->nid,
      'vid' => $quiz->vid,
      'tid' => $v1t2->tid,
      'max_score' => 1,
      'number' => 2,
      'weight' => 0,
    );
    drupal_write_record('quiz_terms', $quiz_term2);

    // We have to resave the node to process the above.
    $this
      ->drupalLogin($this->admin);
    $this
      ->drupalGet("node/{$quiz->nid}/quiz/questions");
    $this
      ->drupalPost(NULL, array(), t('Submit'));

    // Add a field to quiz result and make it required for starting.
    $field = array(
      'field_name' => 'question_category',
      'type' => 'taxonomy_term_reference',
    );
    $instance = array(
      'field_name' => 'question_category',
      'entity_type' => 'node',
      'bundle' => 'truefalse',
      'label' => 'Question category',
      'widget' => array(
        'active' => 1,
        'module' => 'taxonomy',
        'settings' => array(
          'size' => 60,
        ),
        'type' => 'options_select',
      ),
    );
    field_create_field($field);
    field_create_instance($instance);
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 1 v1t1',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t1->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 2 v1t1',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t1->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 3 v1t1',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t1->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 4 v1t2',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t2->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 5 v1t2',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t2->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $questions[] = $this
      ->drupalCreateNode(array(
      'title' => 'tf 6 v1t2',
      'type' => 'truefalse',
      'correct_answer' => 1,
      'question_category' => array(
        LANGUAGE_NONE => array(
          array(
            'tid' => $v1t2->tid,
          ),
        ),
      ),
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ))->nid;
    $list = quiz_build_question_list($quiz);
    $this
      ->assertEqual(count($list), 4, 'Quiz had 4 questions.');
    foreach ($list as $qinfo) {
      $qq_nids[] = $qinfo['nid'];
    }
    $this
      ->assertEqual(count(array_intersect($qq_nids, $questions)), 4, 'Questions were from the terms excluding 2.');

    // Test number of questions.
    $num_questions = quiz_get_number_of_questions($quiz->vid, $quiz->nid);
    $this
      ->assertEqual($num_questions, 4);

    // Start the quiz.
    $this
      ->drupalLogin($this->user);
    $this
      ->drupalGet("node/{$quiz->nid}");
  }

  /**
   * Test that questions inside of pages are shuffled.
   */
  public function testRandomOrderInPages() {
    $this
      ->drupalLogin($this->admin);
    $quiz_node = $this
      ->drupalCreateQuiz(array(
      'randomization' => 1,
    ));

    // Create the questions.
    $question_node1 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 1 body text',
          ),
        ),
      ),
    ));
    $this
      ->linkQuestionToQuiz($question_node1, $quiz_node);
    $question_node2 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 2 body text',
          ),
        ),
      ),
    ));
    $this
      ->linkQuestionToQuiz($question_node2, $quiz_node);
    $question_node3 = $this
      ->drupalCreateNode(array(
      'type' => 'truefalse',
      'correct_answer' => 1,
      'body' => array(
        LANGUAGE_NONE => array(
          array(
            'value' => 'TF 3 body text',
          ),
        ),
      ),
    ));
    $this
      ->linkQuestionToQuiz($question_node3, $quiz_node);

    // Create the pages.
    $page_node1 = $this
      ->drupalCreateNode(array(
      'type' => 'quiz_page',
    ));
    $this
      ->linkQuestionToQuiz($page_node1, $quiz_node);
    $page_node2 = $this
      ->drupalCreateNode(array(
      'type' => 'quiz_page',
    ));
    $this
      ->linkQuestionToQuiz($page_node2, $quiz_node);

    // Go to the manage questions form.
    $this
      ->drupalGet("node/{$quiz_node->nid}/quiz/questions");
    $post = array(
      // Make the questions have parents.
      "qnr_pids[{$question_node1->nid}-{$question_node1->vid}]" => 4,
      "qnr_pids[{$question_node2->nid}-{$question_node2->vid}]" => 4,
      "qnr_pids[{$question_node3->nid}-{$question_node3->vid}]" => 5,
      // Mirror what JS would have done by adjusting the weights.
      "weights[{$page_node1->nid}-{$page_node1->vid}]" => 2,
      "weights[{$question_node1->nid}-{$question_node1->vid}]" => 3,
      "weights[{$question_node2->nid}-{$question_node2->vid}]" => 4,
      "weights[{$page_node2->nid}-{$page_node2->vid}]" => 3,
      "weights[{$question_node3->nid}-{$question_node3->vid}]" => 4,
    );
    $this
      ->drupalPost(NULL, $post, t('Submit'));
    for ($i = 1; $i <= 10; $i++) {
      $questions = quiz_build_question_list($quiz_node);
      $out[$i] = '';
      foreach ($questions as $question) {
        $out[$i] .= $question['nid'];
      }
    }

    // Check that at least one of the orders is different.
    $this
      ->assertNotEqual(count(array_unique($out)), 1, t('At least one set of questions was different.'));

    // Start the quiz.
    $this
      ->drupalLogin($this->user);
    $this
      ->drupalGet("node/{$quiz_node->nid}");
  }

}

Classes

Name	Description
QuizRandomTestCase	Tests for random questions.