lib

Core libraries for Radroots
git clone https://radroots.dev/git/lib.git
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discount.rs (2106B)

      1 mod common;
      2 
      3 use radroots_core::{
      4     RadrootsCoreDiscount, RadrootsCoreDiscountScope, RadrootsCoreDiscountThreshold,
      5     RadrootsCoreDiscountValue, RadrootsCorePercent, RadrootsCoreUnit,
      6 };
      7 
      8 #[test]
      9 fn is_non_negative_validates_discount_shapes() {
     10     let money_pos = common::money("1", "USD");
     11     let money_neg = common::money("-1", "USD");
     12     let qty_pos = common::qty("1", RadrootsCoreUnit::Each);
     13     let qty_neg = common::qty("-1", RadrootsCoreUnit::Each);
     14     let pct_pos = RadrootsCorePercent::new(common::dec("10"));
     15     let pct_neg = RadrootsCorePercent::new(common::dec("-5"));
     16 
     17     let d = RadrootsCoreDiscount {
     18         scope: RadrootsCoreDiscountScope::Bin,
     19         threshold: RadrootsCoreDiscountThreshold::BinCount {
     20             bin_id: "bin-1".to_string(),
     21             min: 2,
     22         },
     23         value: RadrootsCoreDiscountValue::MoneyPerBin(money_pos.clone()),
     24     };
     25     assert!(d.is_non_negative());
     26 
     27     let d = RadrootsCoreDiscount {
     28         scope: RadrootsCoreDiscountScope::Bin,
     29         threshold: RadrootsCoreDiscountThreshold::BinCount {
     30             bin_id: "bin-1".to_string(),
     31             min: 2,
     32         },
     33         value: RadrootsCoreDiscountValue::MoneyPerBin(money_neg),
     34     };
     35     assert!(!d.is_non_negative());
     36 
     37     let d = RadrootsCoreDiscount {
     38         scope: RadrootsCoreDiscountScope::OrderTotal,
     39         threshold: RadrootsCoreDiscountThreshold::OrderQuantity {
     40             min: qty_pos.clone(),
     41         },
     42         value: RadrootsCoreDiscountValue::Percent(pct_pos.clone()),
     43     };
     44     assert!(d.is_non_negative());
     45 
     46     let d = RadrootsCoreDiscount {
     47         scope: RadrootsCoreDiscountScope::OrderTotal,
     48         threshold: RadrootsCoreDiscountThreshold::OrderQuantity { min: qty_neg },
     49         value: RadrootsCoreDiscountValue::Percent(pct_pos),
     50     };
     51     assert!(!d.is_non_negative());
     52 
     53     let d = RadrootsCoreDiscount {
     54         scope: RadrootsCoreDiscountScope::OrderTotal,
     55         threshold: RadrootsCoreDiscountThreshold::OrderQuantity { min: qty_pos },
     56         value: RadrootsCoreDiscountValue::Percent(pct_neg),
     57     };
     58     assert!(!d.is_non_negative());
     59 }