public function testSelectSingleAndCellWithoutFrom() { $db = new Database($this->pdo); $artists = $db->select('artists'); $first_album = $db->single('albums'); $song_name = $db->cell('name', 'songs'); $this->assertEquals(3, count($artists)); $this->assertEquals(4, count($first_album)); $this->assertTrue(array_key_exists('artist_id', $first_album)); $this->assertTrue(is_string($song_name)); $this->assertEquals('Hummer', $song_name); }