<?php

require_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'course') . '/tests/CourseTestCase.test';

/**
 * Tests for Course context
 */
class CourseContextTestCase extends CourseTestCase {

  public static function getInfo() {
    // Note that getInfo() strings are not translated with t().
    return array(
      'name' => 'Course context',
      'description' => 'Ensure that Course context functions normally.',
      'group' => 'Course',
    );
  }

  /**
   * Testing finding course and objects via parameter search.
   */
  function testDetermineContext() {
    $courseNode = $this->createCourseNode();

    // Create an object and give it an instance.
    $co1 = $this->createCourseObject($courseNode);
    $co1->setInstanceId(1234)->save();

    // Find course object via cgco.
    $find_co1 = course_get_course_object('course_test', 'course_test_object', 1234);
    $this->assertEqual($co1->getId(), $find_co1->getId(), 'Found the same course object.');

    // Find the course via cdc.
    $find_course1 = course_determine_context('course_test', 'course_test_object', 1234);
    $this->assertEqual($find_course1->nid, $courseNode->nid, 'Context came back to the same course.');
  }

  /**
   * Test objects that belong to multiple courses.
   */
  function testMultiContext() {
    $courseNode1 = $this->createCourseNode();
    $courseNode2 = $this->createCourseNode();

    // Create an object and give it an instance.
    $co1 = $this->createCourseObject($courseNode1);
    $co1->setInstanceId(1234)->save();

    $co2 = $this->createCourseObject($courseNode2);
    $co2->setInstanceId(1234)->save();

    // Now we have 2 course objects with the same instance but in different courses.
    // Simulate us taking one of the objects, and switch back and forth between courses.
    $co1->takeCourseObject();
    $foundCourseNode1 = course_determine_context('course_test', 'course_test_object', 1234);
    $this->assertEqual($courseNode1->nid, $foundCourseNode1->nid, 'Found the right course context, pass 1.');

    // Taking with context set.
    $co2->takeCourseObject();
    $foundCourseNode2 = course_determine_context('course_test', 'course_test_object', 1234);
    $this->assertEqual($courseNode2->nid, $foundCourseNode2->nid, 'Found the right course context, pass 2.');

    // Back to original context.
    $co1->takeCourseObject();
    $foundCourseNode1 = course_determine_context('course_test', 'course_test_object', 1234);
    $this->assertEqual($courseNode1->nid, $foundCourseNode1->nid, 'Found the right course context, pass 3.');
  }

}