/**
* Tests the delete function.
*/
public function test_delete()
{
global $DB;
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
// Create 2 documents.
$doc1 = new local_ousearch_document();
$doc1->init_module_instance('frog', (object) array('id' => 13, 'course' => $course->id));
$doc1->update('Document title 1', 'Document text 1');
$doc2 = new local_ousearch_document();
$doc2->init_module_instance('frog', (object) array('id' => 14, 'course' => $course->id));
$doc2->update('Document title 2', 'Document text 2');
// Check table counts.
$this->assertEquals(2, $DB->count_records('local_ousearch_documents'));
$this->assertEquals(5, $DB->count_records('local_ousearch_words'));
$this->assertEquals(8, $DB->count_records('local_ousearch_occurrences'));
// Delete second document.
$doc2->delete();
// Only one document left.
$this->assertEquals(1, $DB->count_records('local_ousearch_documents'));
// No removed words - system never removes words.
$this->assertEquals(5, $DB->count_records('local_ousearch_words'));
// Half the occurrences removed.
$this->assertEquals(4, $DB->count_records('local_ousearch_occurrences'));
}
