Recurly_Coupon::get PHP Method

    public static function get($couponCode, $client = null)
    {
        return Recurly_Base::_get(Recurly_Coupon::uriForCoupon($couponCode), $client);
    }

 public function testPlanCodesXml()
 {
     $this->client->addResponse('GET', '/coupons/special', 'coupons/show-200-2.xml');
     $coupon = Recurly_Coupon::get('special', $this->client);
     $this->assertInstanceOf('Recurly_Coupon', $coupon);
     $this->assertTrue($coupon->applies_to_all_plans);
     $this->assertEquals(array('plan_one', 'plan_two'), $coupon->plan_codes);
 }