refactor: TT-314 Add suggestions made in the PR

src/app/modules/shared/utils/project-storage.util.spec.ts

@@ -6,32 +6,28 @@ describe('Project Storage', () => {
   let storageProjects: Project[];
   let projectsIdentifier: string;
   let serverProjects: Project[];
+  let testProject: Project;
+  let localStorageGetItemMock;
 
   beforeEach(() => {
     projectsIdentifier = 'projectsSelected';
 
+    testProject = {
+      customer: {
+        name: 'ioet Inc. (was E&Y)',
+      },
+      id: 'f3630e59-9408-497e-945b-848112bd5a44',
+      name: 'Time Tracker',
+      customer_id: '20c96c4d-5e26-4426-a704-8bdd98c83319',
+      status: 'active',
+    };
+
     storageProjects = [
-      {
-        customer: {
-          name: 'ioet Inc. (was E&Y)',
-        },
-        id: 'f3630e59-9408-497e-945b-848112bd5a44',
-        name: 'Time Tracker',
-        customer_id: '20c96c4d-5e26-4426-a704-8bdd98c83319',
-        status: 'active',
-      }
+      testProject
     ];
 
     serverProjects = [
-      {
-        customer: {
-          name: 'ioet Inc. (was E&Y)',
-        },
-        id: 'f3630e59-9408-497e-945b-848112bd5a44',
-        name: 'Time Tracker',
-        customer_id: '20c96c4d-5e26-4426-a704-8bdd98c83319',
-        status: 'active',
-      },
+      testProject,
       {
         customer: {
           name: 'No Matter Name',
@@ -43,21 +39,19 @@ describe('Project Storage', () => {
       }
     ];
 
+    localStorageGetItemMock = spyOn(localStorage, 'getItem').and.returnValue(JSON.stringify(storageProjects));
+    spyOn(localStorage, 'setItem');
+
   });
 
   it('If exists projects in localStorage and the server returns the same project, should keep the same localStorage variables', () => {
-    spyOn(localStorage, 'getItem').and.returnValue(JSON.stringify(storageProjects));
-    spyOn(localStorage, 'setItem');
-
     updateProjectStorage(serverProjects);
 
     expect(localStorage.setItem).toHaveBeenCalledWith(projectsIdentifier, JSON.stringify(storageProjects));
   });
 
   it('If exists projects in localStorage and the server does not return that project, should update the localStorage variable', () => {
     serverProjects.shift();
-    spyOn(localStorage, 'getItem').and.returnValue(JSON.stringify(storageProjects));
-    spyOn(localStorage, 'setItem');
 
     updateProjectStorage(serverProjects);
 
@@ -66,8 +60,6 @@ describe('Project Storage', () => {
 
   it('If Server projects is empty, should not update the localStorage', () => {
     serverProjects = [];
-    spyOn(localStorage, 'getItem').and.returnValue(JSON.stringify(storageProjects));
-    spyOn(localStorage, 'setItem');
 
     updateProjectStorage(serverProjects);
 
@@ -76,7 +68,8 @@ describe('Project Storage', () => {
 
   it('If variables does not exists on localStorage, getProjectsOnStorage should return undefined', () => {
     projectsIdentifier = 'no-matter-identifier';
-    spyOn(localStorage, 'getItem').and.returnValue(undefined);
+
+    localStorageGetItemMock.and.returnValue(undefined);
 
     const projects = getProjectsOnStorage(projectsIdentifier);
 
@@ -85,7 +78,7 @@ describe('Project Storage', () => {
 
   it('If variables not exists on localStorage, getProjectsOnStorage should return an array of Projects', () => {
     const storageProjectsString = JSON.stringify(storageProjects);
-    spyOn(localStorage, 'getItem').and.returnValue(storageProjectsString);
+    localStorageGetItemMock.and.returnValue(storageProjectsString);
 
     const projects = getProjectsOnStorage(projectsIdentifier);
 

src/app/modules/shared/utils/project-storage.util.ts

@@ -1,14 +1,13 @@
 import { Project } from '../models/project.model';
-import { PROJECTS_KEY_FOR_LOCAL_STORAGE } from '../../../../environments/environment';
-
-const projectsKey = PROJECTS_KEY_FOR_LOCAL_STORAGE;
+import { PROJECTS_KEY_FOR_LOCAL_STORAGE as projectsKey } from '../../../../environments/environment';
+import { isEmpty } from 'lodash';
 
 export function updateProjectStorage(serverProjects: Project[]): void {
   const storageProjects: Project[] = getProjectsOnStorage(projectsKey);
-  const isServerProjectsNotEmpty = serverProjects && serverProjects.length !== 0;
+  const isServerProjectsEmpty = isEmpty(serverProjects);
   const updatedStorageProjects: Project[] = [];
 
-  if (serverProjects && isServerProjectsNotEmpty && storageProjects) {
+  if (!isServerProjectsEmpty && storageProjects) {
     storageProjects.forEach((storageProject: Project) => {
       const project = serverProjects.find((serverProject) => serverProject.id === storageProject.id);