import reducerConfig, { selectFilterFn, selectFilterMode } from './filter'
const { reducer: filterReducer } = reducerConfig

const getStateMock = () => reducerConfig.initialState

describe('filterReducer', () => {
    describe('unknown action', () => {
        it('should not modify the state', () => {
            const state = getStateMock()
            const newState = filterReducer(state, { type: 'nope' } as any)
            expect(state).toBe(newState)
        })
    })

    describe('applyProps', () => {
        it('should replace the filter fn', () => {
            const state = filterReducer(getStateMock(), {
                type: 'applyProps',
                payload: {
                    filter: () => true,
                },
            })

            const fakeRow = {}
            expect(selectFilterFn(state)?.(fakeRow)).toBe(true)
        })

        it('should set the filterMode', () => {
            const state = filterReducer(getStateMock(), {
                type: 'applyProps',
                payload: {
                    filterMode: 'highlight',
                },
            })

            expect(selectFilterMode(state)).toBe('highlight')
        })
    })
})