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jest.unmock('../../../ducks/utils/store')
import reduceStore, * as storeActions from '../../../ducks/utils/store'
describe('store reducer', () => {
it('should return initial state', () => {
expect(reduceStore(undefined, {})).toEqual({
byId: {},
list: [],
listIndex: {},
view: [],
viewIndex: {},
})
})
it('should handle add action', () => {
let a = {id: 1},
b = {id: 9},
state = reduceStore(undefined, {})
expect(state = reduceStore(state, storeActions.add(a))).toEqual({
byId: { 1: a },
listIndex: { 1: 0 },
list: [ a ],
view: [ a ],
viewIndex: { 1: 0 },
})
expect(reduceStore(state, storeActions.add(b))).toEqual({
byId: { 1: a, 9: b },
listIndex: { 1: 0, 9: 1 },
list: [ a, b ],
view: [ a, b ],
viewIndex: { 1: 0, 9: 1 },
})
})
it('should not add the item with duplicated id', () => {
let a = {id: 1},
state = reduceStore(undefined, storeActions.add(a))
expect(reduceStore(state, storeActions.add(a))).toEqual(state)
})
it('should handle update action', () => {
let a = {id: 1, foo: "foo"},
updated = {...a, foo: "bar"},
state = reduceStore(undefined, storeActions.add(a))
expect(reduceStore(state, storeActions.update(updated))).toEqual({
byId: { 1: updated },
list: [ updated ],
listIndex: { 1: 0 },
view: [ updated ],
viewIndex: { 1: 0 },
})
})
it('should handle update action with filter', () => {
let a = {id: 0},
b = {id: 1},
state = reduceStore(undefined, storeActions.add(a))
state = reduceStore(state, storeActions.add(b))
expect(reduceStore(state, storeActions.update(b,
item => {return item.id < 1}))).toEqual({
byId: { 0: a, 1: b },
list: [ a, b ],
listIndex: { 0: 0, 1: 1 },
view: [ a ],
viewIndex: { 0: 0 }
})
})
it('should handle update action with sort', () => {
let a = {id: 2},
b = {id: 3},
state = reduceStore(undefined, storeActions.add(a))
state = reduceStore(state, storeActions.add(b))
expect(reduceStore(state, storeActions.update(a, undefined,
(a, b) => {return b.id - a.id}))).toEqual({
// sort by id in descending order
byId: { 2: a, 3: b },
list: [ a, b ],
listIndex: {2: 0, 3: 1},
view: [ b, a ],
viewIndex: { 2: 1, 3: 0 },
})
})
})
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