Tested all fruit mutations

tests/unit/mutations.spec.js

@@ -1,36 +1,43 @@
-import mutations from "@/store/mutations.js";
+import { state } from "@/store";
+import mutations from "@/store/mutations";
+
+const { setFruits, setFruit, addFruit, removeFruit } = mutations;
+
+let fruit = {
+  id: 3,
+  isFruit: true,
+  name: "banana",
+  image: "/image/path.jpg",
+  price: "907.00",
+  color: "#763e44",
+  description: "Iusto illum vero voluptatem.",
+  taste: "Handcrafted",
+  expires: "2021-04-11T08:54:24.588Z"
+};
 
 describe("Test Vuex mutations.", () => {
-  it("should add fruits to the state", () => {
-    const fruits = [
-      {
-        id: 3,
-        isFruit: true,
-        name: "banana",
-        image: "/image/path.jpg",
-        price: "907.00",
-        color: "#763e44",
-        description: "Iusto illum vero voluptatem.",
-        taste: "Handcrafted",
-        expires: "2021-04-11T08:54:24.588Z"
-      }
-    ];
-    const state = {
-      fruits: []
-    };
-    mutations.setFruits(state, fruits);
-    expect(state.fruits).toEqual([
-      {
-        id: 3,
-        isFruit: true,
-        name: "banana",
-        image: "/image/path.jpg",
-        price: "907.00",
-        color: "#763e44",
-        description: "Iusto illum vero voluptatem.",
-        taste: "Handcrafted",
-        expires: "2021-04-11T08:54:24.588Z"
-      }
-    ]);
+  it("tests setFruits mutation.", () => {
+    setFruits(state, [fruit]);
+    expect(state.fruits[0].id).toBe(3);
+  });
+
+  it("tests setFruit mutation.", () => {
+    setFruit(state, fruit);
+    expect(state.fruit.id).toBe(3);
+  });
+
+  it("tests addFruit mutation.", () => {
+    const newFruit = Object.assign({}, fruit);
+    newFruit.id = 4;
+    addFruit(state, newFruit);
+    expect(state.fruits[0].id).toBe(3);
+    expect(state.fruits[1].id).toBe(4);
+    expect(state.fruits.length).toBe(2);
+  });
+
+  it("tests removeFruit mutation.", () => {
+    removeFruit(state, 4);
+    expect(state.fruits[0].id).toBe(3);
+    expect(state.fruits.length).toBe(1);
   });
 });