import reducerConfig, { selectNavigationEnabled } from './navigation'

const { reducer: navigationReducer } = reducerConfig

const getStateMock = () => reducerConfig.initialState

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

    describe('alter navigation state', () => {
        it('should disable navigation state', () => {
            const state = navigationReducer(getStateMock(), {
                type: 'updateNavigationState',
                payload: {
                    enabled: false,
                },
            })
            expect(selectNavigationEnabled(state)).toEqual(false)
        })
        it('should enable navigation state', () => {
            const state = navigationReducer(
                { enabled: false },
                {
                    type: 'updateNavigationState',
                    payload: {
                        enabled: true,
                    },
                }
            )
            expect(selectNavigationEnabled(state)).toEqual(true)
        })
    })
})