add unit tests for add and remove task functions

.gitignore

@@ -1,2 +1,3 @@
 node_modules
 dist
+coverage

foo-bar-baz.js

@@ -0,0 +1,3 @@
+export const foo = "foo";
+export const bar = () => "bar";
+export default () => "baz";

index.test.js

@@ -0,0 +1,53 @@
+import { getTasks } from "./src/modules/getTasks";
+import Home from "./src/modules/Home";
+class LocalStorageMock {
+  constructor() {
+    this.store = {};
+  }
+
+  clear() {
+    this.store = {};
+  }
+
+  getItem(key) {
+    return this.store[key] || null;
+  }
+
+  setItem(key, value) {
+    this.store[key] = String(value);
+  }
+
+  removeItem(key) {
+    delete this.store[key];
+  }
+}
+
+global.localStorage = new LocalStorageMock();
+let window;
+beforeEach(() => {
+  localStorage.clear();
+});
+
+describe("add and delete task", () => {
+  test("adds task", () => {
+    console.log("starting first test...");
+    let tasks;
+    const e = { target: { value: "buy food" } };
+
+    Home.addTask(e);
+    tasks = getTasks();
+    expect(tasks).toHaveLength(1);
+  });
+  test("deletes task", () => {
+    console.log("starting second test...");
+    let initialTasks = [
+      { complete: "true", description: "buy batteries", index: "0" },
+      { complete: "false", description: "buy batteries", index: "1" },
+    ];
+    localStorage.setItem("tasks", JSON.stringify(initialTasks));
+
+    Home.deleteTask(initialTasks[0]);
+    let tasks = JSON.parse(localStorage.getItem("tasks"));
+    expect(tasks).toHaveLength(1);
+  });
+});