Samuel Newman
108 lines
2.8 KiB
TypeScript
108 lines
2.8 KiB
TypeScript
import {
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buildStateObject,
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getCurrentRoute,
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isStateAtTabRoot,
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} from '#/lib/routes/helpers'
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import {type State} from '#/lib/routes/types'
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describe('getCurrentRoute', () => {
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it('returns Home when there is no state', () => {
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expect(getCurrentRoute(undefined).name).toBe('Home')
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})
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it('descends into nested state using the index', () => {
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const state = {
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index: 0,
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routes: [
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{
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name: 'HomeTab',
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state: {
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index: 1,
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routes: [{name: 'Home'}, {name: 'PostThread'}],
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},
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},
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],
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} as unknown as State
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expect(getCurrentRoute(state).name).toBe('PostThread')
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})
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/*
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* Right after a cold start from a deep link, nested navigator states are
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* still partial and have no `index`. React Navigation focuses the last
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* route when rehydrating such a state, so getCurrentRoute must do the
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* same (previously it stopped at the tab route, which re-enabled the
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* drawer swipe gesture on top of the deep-linked screen).
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*/
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it('descends into partial nested state without an index', () => {
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const state = {
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routes: [
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{
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name: 'HomeTab',
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state: {
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routes: [{name: 'Home'}, {name: 'PostThread'}],
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},
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},
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],
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} as unknown as State
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expect(getCurrentRoute(state).name).toBe('PostThread')
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})
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})
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describe('isStateAtTabRoot', () => {
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it('returns true for the initial deep link state of a tab root', () => {
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const state = buildStateObject('HomeTab', 'Home', {}) as unknown as State
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expect(isStateAtTabRoot(state)).toBe(true)
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})
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it('returns false for the initial deep link state of a nested screen', () => {
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const state = buildStateObject(
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'HomeTab',
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'PostThread',
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{name: 'alice.test', rkey: '123'},
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[{name: 'Home', params: {}}],
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) as unknown as State
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expect(isStateAtTabRoot(state)).toBe(false)
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})
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})
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describe('buildStateObject', () => {
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it('focuses the deep-linked route in the nested state', () => {
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const state = buildStateObject(
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'HomeTab',
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'PostThread',
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{name: 'alice.test', rkey: '123'},
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[{name: 'Home', params: {}}],
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)
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expect(state).toEqual({
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index: 0,
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routes: [
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{
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name: 'HomeTab',
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state: {
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index: 1,
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routes: [
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{name: 'Home', params: {}},
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{name: 'PostThread', params: {name: 'alice.test', rkey: '123'}},
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],
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},
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},
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],
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})
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})
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it('builds a single-route state for the Flat navigator', () => {
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const state = buildStateObject('Flat', 'PostThread', {
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name: 'alice.test',
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rkey: '123',
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})
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expect(state).toEqual({
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index: 0,
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routes: [{name: 'PostThread', params: {name: 'alice.test', rkey: '123'}}],
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})
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})
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})
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