tdd-java-demo

commit 5273925faeb5c4b2716e2c37a96844402d289f65
parent d31b80033594cb5d06fa5a833b49f54f02be0515
Author: Jul <jul@9o.is>
Date:   Wed, 31 Mar 2021 17:53:37 +0800

extract method getDiscount

Diffstat:
M
src/main/java/takehome/Runner.java
 | 
13
+++++++++----

1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/src/main/java/takehome/Runner.java b/src/main/java/takehome/Runner.java
@@ -30,15 +30,20 @@ public class Runner {
 
         Item apple = items[3];
         double appleDiscount = 0.01;
+        double discount = getDiscount(basket, apple, appleDiscount);
+        total -= discount;
+
+        DecimalFormat df = new DecimalFormat("0.00");
+        out.println("Total: $" + df.format(total));
+    }
+
+    private double getDiscount(Basket basket, Item apple, double appleDiscount) {
         double discount = 0;
         double amount = basket.getAmounts().get(apple);
         if (amount > 0) {
             discount = appleDiscount;
         }
-        total -= discount;
-
-        DecimalFormat df = new DecimalFormat("0.00");
-        out.println("Total: $" + df.format(total));
+        return discount;
     }
 
     private Map<Item, Integer> getItemAmounts(Item[] items) {