add blend-pricing.service tests

jirkapok · Sep 24, 2024 · b60999b · b60999b
1 parent b1aa79b
commit b60999b
Showing 1 changed file with 34 additions and 8 deletions.
diff --git a/projects/planner/src/app/shared/blend-pricing.service.spec.ts b/projects/planner/src/app/shared/blend-pricing.service.spec.ts
@@ -6,30 +6,56 @@ describe('BlendPricingService', () => {
     let sut: BlendPricingService;
     let gasBlender: GasBlenderService;
 
-    const createGasBlenderService = (): GasBlenderService => {
+    const createGasBlenderService = (imperialUnits: boolean = false): GasBlenderService => {
         const units = new UnitConversion();
+        units.imperialUnits = imperialUnits;
         return new GasBlenderService(units);
     };
 
     beforeEach(() => {
         gasBlender = createGasBlenderService();
         sut = new BlendPricingService(gasBlender);
 
-        gasBlender.topMix.o2 = 25;
-        gasBlender.topMix.he = 25;
+        gasBlender.targetTank.o2 = 25;
+        gasBlender.targetTank.he = 25;
         gasBlender.calculate();
 
         sut.o2UnitPrice = 2;
         sut.heUnitPrice = 3;
         sut.topMixUnitPrice = 4;
     });
 
-    it('Calculates prices for for the amount of gas', () => {
+    it('Calculates gas prices', () => {
         sut.calculate();
 
-        expect(sut.o2Price).toBeCloseTo(50);
-        expect(sut.hePrice).toBeCloseTo(75);
-        expect(sut.topMixPrice).toBeCloseTo(200);
-        expect(sut.totalPrice).toBeCloseTo(325);
+        expect(sut.o2Price).toBeCloseTo(5.88235294, 8);
+        expect(sut.hePrice).toBeCloseTo(150);
+        expect(sut.topMixPrice).toBeCloseTo(588.2352941176471, 8);
+        expect(sut.totalPrice).toBeCloseTo(744.1176470576471, 8);
+    });
+
+    describe('Imperial units', () => {
+        beforeEach(() => {
+            gasBlender = createGasBlenderService(true);
+            sut = new BlendPricingService(gasBlender);
+
+            gasBlender.targetTank.o2 = 25;
+            gasBlender.targetTank.he = 25;
+            gasBlender.calculate();
+
+            sut.o2UnitPrice = 2;
+            sut.heUnitPrice = 3;
+            sut.topMixUnitPrice = 4;
+        });
+
+        it('Calculates gas prices in imperial units', () => {
+            sut.calculate();
+
+            expect(sut.o2Price).toBeCloseTo(85.31631629483086, 8);
+            expect(sut.hePrice).toBeCloseTo(2175.5660659533, 8);
+            expect(sut.topMixPrice).toBeCloseTo(8531.631631189413, 8);
+            expect(sut.totalPrice).toBeCloseTo(10792.514013437543, 8);
+        });
     });
 });
+