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fix(test): correctly mock localstorage in unit tests

This commit is contained in:
kolaente 2024-04-06 10:34:41 +02:00
parent fe4a093825
commit 1910f69392
Signed by untrusted user: konrad
GPG Key ID: F40E70337AB24C9B
1 changed files with 13 additions and 13 deletions
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26
frontend/src/modules/projectHistory.test.ts
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@ -2,14 +2,14 @@ import {test, expect, vi} from 'vitest'
import {getHistory, removeProjectFromHistory, saveProjectToHistory} from './projectHistory'
test('return an empty history when none was saved', () => {
Storage.prototype.getItem = vi.fn(() => null)
vi.spyOn(localStorage, 'getItem').mockImplementation(() => null)
const h = getHistory()
expect(h).toStrictEqual([])
})
test('return a saved history', () => {
const saved = [{id: 1}, {id: 2}]
Storage.prototype.getItem = vi.fn(() => JSON.stringify(saved))
vi.spyOn(localStorage, 'getItem').mockImplementation(() => JSON.stringify(saved))
const h = getHistory()
expect(h).toStrictEqual(saved)
@ -17,8 +17,8 @@ test('return a saved history', () => {
test('store project in history', () => {
let saved = {}
Storage.prototype.getItem = vi.fn(() => null)
Storage.prototype.setItem = vi.fn((key, projects) => {
vi.spyOn(localStorage, 'getItem').mockImplementation(() => null)
vi.spyOn(localStorage, 'setItem').mockImplementation((key: string, projects: string) => {
saved = projects
})
@ -28,8 +28,8 @@ test('store project in history', () => {
test('store only the last 5 projects in history', () => {
let saved: string | null = null
Storage.prototype.getItem = vi.fn(() => saved)
Storage.prototype.setItem = vi.fn((key: string, projects: string) => {
vi.spyOn(localStorage, 'getItem').mockImplementation(() => saved)
vi.spyOn(localStorage, 'setItem').mockImplementation((key: string, projects: string) => {
saved = projects
})
@ -44,8 +44,8 @@ test('store only the last 5 projects in history', () => {
test('don\'t store the same project twice', () => {
let saved: string | null = null
Storage.prototype.getItem = vi.fn(() => saved)
Storage.prototype.setItem = vi.fn((key: string, projects: string) => {
vi.spyOn(localStorage, 'getItem').mockImplementation(() => saved)
vi.spyOn(localStorage, 'setItem').mockImplementation((key: string, projects: string) => {
saved = projects
})
@ -56,8 +56,8 @@ test('don\'t store the same project twice', () => {
test('move a project to the beginning when storing it multiple times', () => {
let saved: string | null = null
Storage.prototype.getItem = vi.fn(() => saved)
Storage.prototype.setItem = vi.fn((key: string, projects: string) => {
vi.spyOn(localStorage, 'getItem').mockImplementation(() => saved)
vi.spyOn(localStorage, 'setItem').mockImplementation((key: string, projects: string) => {
saved = projects
})
@ -69,11 +69,11 @@ test('move a project to the beginning when storing it multiple times', () => {
test('remove project from history', () => {
let saved: string | null = '[{"id": 1}]'
Storage.prototype.getItem = vi.fn(() => null)
Storage.prototype.setItem = vi.fn((key: string, projects: string) => {
vi.spyOn(localStorage, 'getItem').mockImplementation(() => saved)
vi.spyOn(localStorage, 'setItem').mockImplementation((key: string, projects: string) => {
saved = projects
})
Storage.prototype.removeItem = vi.fn((key: string) => {
vi.spyOn(localStorage, 'removeItem').mockImplementation((key: string) => {
saved = null
})