public function testLoadCouponCode()
{
$this->coupon->expects($this->once())->method('loadPrimaryByRule')->with(1);
$this->coupon->expects($this->once())->method('setRule')->with($this->model)->willReturnSelf();
$this->coupon->expects($this->once())->method('setIsPrimary')->with(true)->willReturnSelf();
$this->coupon->expects($this->once())->method('getCode')->willReturn('test_code');
$this->coupon->expects($this->once())->method('getUsageLimit')->willReturn(1);
$this->model->setId(1);
$this->model->setUsesPerCoupon(null);
$this->model->setUseAutoGeneration(false);
$this->model->loadCouponCode();
$this->assertEquals(1, $this->model->getUsesPerCoupon());
}
