use Redux for tulajdonsagok

frontend/src/shared/domain-models/rollAbility.test.ts

@@ -0,0 +1,31 @@
+import {RollAbility} from "./rollAbility";
+
+describe('RollAbility', () => {
+    it('returns 3 if all rolls are 1', () => {
+        const actual = RollAbility({
+            d6: () => 1
+        })
+        expect(actual).toEqual(3)
+    })
+    it('returns 18 if at least 3 rolls are 6', () => {
+        let counter = 0;
+        const actual = RollAbility({
+            d6: () => {
+                return ++counter > 1 ? 6 : 1;
+            }
+        })
+        expect(actual).toEqual(18)
+    })
+    it('sums up rolls are removes the smallest roll', () => {
+        let counter = 1;
+        const actual = RollAbility({
+            d6: () => {
+                if (counter++ > 4) {
+                    throw "Cheater! You can only roll 4 times!"
+                }
+                return counter
+            }
+        })
+        expect(actual).toEqual(12)
+    })
+})