test/vuex-mockstorage-prevdata-strict.spec.ts
/**
* Created by championswimmer on 20/07/17.
*/
import { assert, expect, should } from 'chai'
import Vue from 'vue'
import { Store } from 'vuex'
import Vuex from 'vuex'
import VuexPersistence, { MockStorage } from '..'
Vue.use(Vuex)
// @ts-ignore
const mockStorage = new MockStorage()
mockStorage.setItem('vuex', JSON.stringify({
dog: {
barks: 2
}
}))
const vuexPersist = new VuexPersistence<any>({
strictMode: true,
storage: mockStorage,
reducer: (state) => ({ dog: state.dog }),
filter: (mutation) => (mutation.type === 'dogBark')
})
const store = new Store<any>({
strict: true,
state: {
dog: {
barks: 0
},
cat: {
mews: 0
}
},
mutations: {
dogBark(state) {
state.dog.barks++
},
catMew(state) {
state.cat.mews++
},
RESTORE_MUTATION: vuexPersist.RESTORE_MUTATION
},
plugins: [vuexPersist.plugin]
})
const getSavedStore = () => JSON.parse(mockStorage.getItem('vuex') || '')
describe('Storage: MockStorage; Test: reducer, filter; Existing Data: TRUE; Strict: TRUE', () => {
it('should persist reduced state', () => {
store.commit('dogBark')
expect(getSavedStore().dog.barks).to.equal(3)
})
it('should not persist non reduced state', () => {
store.commit('catMew')
//noinspection TsLint
expect(getSavedStore().cat).to.be.undefined
})
})