public function test_ousearch_query()
{
global $DB;
$this->resetAfterTest();
// Create a bunch of search documents within test_zombie plugin.
self::$zombiedocuments = array(1 => (object) array('title' => 'Document title', 'content' => 'First zombie document'), 2 => (object) array('title' => 'Another title', 'content' => 'Title title first'), 3 => (object) array('title' => 'Document title', 'content' => 'Not a zombie document title'), 4 => (object) array('title' => 'Delete me', 'content' => 'Delete me'), 100 => (object) array('title' => 'Bottle quantity', 'content' => 'There are this many bottles on the wall: 0'));
for ($i = 101; $i <= 199; $i++) {
self::$zombiedocuments[$i] = self::$zombiedocuments[100];
self::$zombiedocuments[$i]->content = str_replace(': 0', ': ' . ($i - 100), self::$zombiedocuments[$i]->content);
}
foreach (self::$zombiedocuments as $key => $content) {
$doc = new local_ousearch_document();
$doc->init_test('zombie');
$doc->set_int_refs($key);
$doc->update($content->title, $content->content, null, null, null);
}
// Search for single unique term.
$result = $this->do_zombie_query('not');
$this->assertTrue($result->success);
$this->assertEquals(array(3), $this->get_result_ids($result));
// Search for nonexistent word.
$result = $this->do_zombie_query('xyzzy');
$this->assertFalse($result->success);
$this->assertEquals('xyzzy', $result->problemword);
// Search for nothing.
$result = $this->do_zombie_query(' ');
$this->assertFalse($result->success);
$this->assertEquals('', $result->problemword);
// Search for pair of terms.
$result = $this->do_zombie_query('first document');
$this->assertTrue($result->success);
$this->assertEquals(array(1), $this->get_result_ids($result));
// Search for quoted terms.
$result = $this->do_zombie_query('"title title"');
$this->assertTrue($result->success);
$this->assertEquals(array(2), $this->get_result_ids($result));
// Negative terms.
$result = $this->do_zombie_query('title -not');
$this->assertTrue($result->success);
$this->assertEquals(array(1, 2), $this->get_result_ids($result));
// Negative quoted terms.
$result = $this->do_zombie_query('title -"not frog"');
$this->assertTrue($result->success);
$this->assertEquals(array(1, 2, 3), $this->get_result_ids($result));
$result = $this->do_zombie_query('title -"not a"');
$this->assertTrue($result->success);
$this->assertEquals(array(1, 2), $this->get_result_ids($result));
// Deleting stale results (those which the module responsible can no
// longer find).
$before = $DB->count_records('local_ousearch_documents');
unset(self::$zombiedocuments[4]);
$result = $this->do_zombie_query('delete');
$this->assertEquals(1, count(phpunit_util::get_debugging_messages()));
phpunit_util::reset_debugging();
$this->assertTrue($result->success);
$this->assertEquals(array(), $this->get_result_ids($result));
$this->assertEquals($before - 1, $DB->count_records('local_ousearch_documents'));
// Ranking based on title vs content and number of occurrences.
$result = $this->do_zombie_query('title');
$this->assertTrue($result->success);
$this->assertEquals(array(1, 2, 3), $this->get_result_ids($result));
$this->assertEquals(2, $result->results[0]->intref1);
$this->assertEquals(18, $result->results[0]->totalscore);
// Managing result lists.
$found = array();
$dbstart = 0;
for ($i = 0; $i < 10; $i++) {
$result = $this->do_zombie_query('bottles', $dbstart);
$this->assertTrue($result->success);
$this->assertEquals(10, count($result->results));
foreach ($result->results as $thing) {
$found[$thing->intref1] = true;
}
$dbstart = $result->dbstart;
}
$this->assertEquals(100, count($found));
$result = $this->do_zombie_query('bottles', $dbstart);
$this->assertTrue($result->success);
$this->assertEquals(0, count($result->results));
}
