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import reducer from '../../../../app/javascript/vehicle_journeys/reducers/pagination'
const diff = 1
let state = {
page : 2,
totalCount : 25,
stateChanged: false,
perPage: 12
}
let pagination = Object.assign({}, state)
const dispatch = function(){}
describe('pagination reducer, given parameters allowing page change', () => {
it('should return the initial state', () => {
expect(
reducer(undefined, {})
).toEqual({})
})
it('should handle RECEIVE_TOTAL_COUNT', () => {
expect(
reducer(state, {
type: 'RECEIVE_TOTAL_COUNT',
total: 1
})
).toEqual(Object.assign({}, state, {totalCount: 1}))
})
it('should handle RESET_PAGINATION', () => {
expect(
reducer(state, {
type: 'RESET_PAGINATION',
})
).toEqual(Object.assign({}, state, {page: 1}))
})
it('should handle UPDATE_TOTAL_COUNT', () => {
expect(
reducer(state, {
type: 'UPDATE_TOTAL_COUNT',
diff: 1
})
).toEqual(Object.assign({}, state, {totalCount: 24}))
})
it('should handle GO_TO_NEXT_PAGE and change state', () => {
expect(
reducer(state, {
type: 'GO_TO_NEXT_PAGE',
dispatch,
pagination,
nextPage : true
})
).toEqual(Object.assign({}, state, {page : state.page + 1, stateChanged: false}))
})
it('should return GO_TO_PREVIOUS_PAGE and change state', () => {
expect(
reducer(state, {
type: 'GO_TO_PREVIOUS_PAGE',
dispatch,
pagination,
nextPage : false
})
).toEqual(Object.assign({}, state, {page : state.page - 1, stateChanged: false}))
})
it('should handle UPDATE_TIME', () => {
const val = '33', subIndex = 0, index = 0, timeUnit = 'minute', isDeparture = true, isArrivalsToggled = true
expect(
reducer(state, {
type: 'UPDATE_TIME',
val,
subIndex,
index,
timeUnit,
isDeparture,
isArrivalsToggled
})
).toEqual(Object.assign({}, state, {stateChanged: true}))
})
})
describe('pagination reducer, given parameters not allowing to go to previous page', () => {
beforeEach(()=>{
state.page = 1
pagination.page = 1
})
it('should return GO_TO_PREVIOUS_PAGE and not change state', () => {
expect(
reducer(state, {
type: 'GO_TO_PREVIOUS_PAGE',
dispatch,
pagination,
nextPage : false
})
).toEqual(state)
})
})
describe('pagination reducer, given parameters not allowing to go to next page', () => {
beforeEach(()=>{
state.page = 3
pagination.page = 3
})
it('should return GO_TO_NEXT_PAGE and not change state', () => {
expect(
reducer(state, {
type: 'GO_TO_NEXT_PAGE',
dispatch,
pagination,
nextPage : true
})
).toEqual(state)
})
})
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