public function testDelete() { $db = new Database($this->pdo); $mayonaiseId = $db->where(['name' => 'Mayonaise'])->cell('id', 'songs'); $affectedRows = $db->where(['id' => $mayonaiseId])->delete('songs'); $this->assertEquals(1, $affectedRows); $this->assertFalse($db->where(['id' => $mayonaiseId])->single('songs')); }