public function testUpdate() { $this->helper->insert('car', ['make' => 'volvo', 'model' => 'xc90']); $this->helper->update('car', ['model' => 'v70'], ['make' => 'volvo']); $cars = $this->db->queryAll('select * from car'); var_dump($cars); $this->assertCount(1, $cars); $this->assertEquals('volvo', $cars[0]['make']); $this->assertEquals('v70', $cars[0]['model']); }