Routers-test.js
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/* @flow */
/* eslint react/no-multi-comp:0 */
import * as React from 'react';
import StackRouter from '../StackRouter';
import TabRouter from '../TabRouter';
import NavigationActions from '../../NavigationActions';
import addNavigationHelpers from '../../addNavigationHelpers';
const ROUTERS = {
TabRouter,
StackRouter,
};
Object.keys(ROUTERS).forEach((routerName: string) => {
const Router = ROUTERS[routerName];
describe(`General router features - ${routerName}`, () => {
test('title is configurable using navigationOptions and getScreenOptions', () => {
class FooView extends React.Component<void> {
render() {
return <div />;
}
}
class BarView extends React.Component<void> {
render() {
return <div />;
}
static navigationOptions = { title: 'BarTitle' };
}
class BazView extends React.Component<void> {
render() {
return <div />;
}
static navigationOptions = ({ navigation }: *) => ({
title: `Baz-${navigation.state.params.id}`,
});
}
const router = Router({
Foo: { screen: FooView },
Bar: { screen: BarView },
Baz: { screen: BazView },
});
const routes = [
{ key: 'A', routeName: 'Foo' },
{ key: 'B', routeName: 'Bar' },
{ key: 'A', routeName: 'Baz', params: { id: '123' } },
];
expect(
router.getScreenOptions(
addNavigationHelpers({ state: routes[0], dispatch: () => false }),
{}
).title
).toEqual(undefined);
expect(
router.getScreenOptions(
addNavigationHelpers({ state: routes[1], dispatch: () => false }),
{}
).title
).toEqual('BarTitle');
expect(
router.getScreenOptions(
addNavigationHelpers({ state: routes[2], dispatch: () => false }),
{}
).title
).toEqual('Baz-123');
});
});
});
test('Handles no-op actions with tabs within stack router', () => {
const BarView = () => <div />;
const FooTabNavigator = () => <div />;
FooTabNavigator.router = TabRouter({
Zap: { screen: BarView },
Zoo: { screen: BarView },
});
const TestRouter = StackRouter({
Foo: {
screen: FooTabNavigator,
},
Bar: {
screen: BarView,
},
});
const state1 = TestRouter.getStateForAction({ type: NavigationActions.INIT });
const state2 = TestRouter.getStateForAction({
type: NavigationActions.NAVIGATE,
routeName: 'Qux',
});
/* $FlowFixMe */
expect(state1.routes[0].key).toEqual('Init-id-0-0');
/* $FlowFixMe */
expect(state2.routes[0].key).toEqual('Init-id-0-1');
/* $FlowFixMe */
state1.routes[0].key = state2.routes[0].key;
expect(state1).toEqual(state2);
const state3 = TestRouter.getStateForAction(
{ type: NavigationActions.NAVIGATE, routeName: 'Zap' },
state2
);
expect(state2).toEqual(state3);
});
test('Handles deep action', () => {
const BarView = () => <div />;
const FooTabNavigator = () => <div />;
FooTabNavigator.router = TabRouter({
Zap: { screen: BarView },
Zoo: { screen: BarView },
});
const TestRouter = StackRouter({
Bar: { screen: BarView },
Foo: { screen: FooTabNavigator },
});
const state1 = TestRouter.getStateForAction({ type: NavigationActions.INIT });
const expectedState = {
index: 0,
routes: [
{
key: 'Init-id-0-2',
routeName: 'Bar',
},
],
};
expect(state1).toEqual(expectedState);
const state2 = TestRouter.getStateForAction(
{
type: NavigationActions.NAVIGATE,
routeName: 'Foo',
action: { type: NavigationActions.NAVIGATE, routeName: 'Zoo' },
},
state1
);
expect(state2 && state2.index).toEqual(1);
/* $FlowFixMe */
expect(state2 && state2.routes[1].index).toEqual(1);
});
test('Supports lazily-evaluated getScreen', () => {
const BarView = () => <div />;
const FooTabNavigator = () => <div />;
FooTabNavigator.router = TabRouter({
Zap: { screen: BarView },
Zoo: { screen: BarView },
});
const TestRouter = StackRouter({
Foo: {
screen: FooTabNavigator,
},
Bar: {
getScreen: () => BarView,
},
});
const state1 = TestRouter.getStateForAction({ type: NavigationActions.INIT });
const state2 = TestRouter.getStateForAction({
type: NavigationActions.NAVIGATE,
routeName: 'Qux',
});
/* $FlowFixMe */
expect(state1.routes[0].key).toEqual('Init-id-0-4');
/* $FlowFixMe */
expect(state2.routes[0].key).toEqual('Init-id-0-5');
/* $FlowFixMe */
state1.routes[0].key = state2.routes[0].key;
expect(state1).toEqual(state2);
const state3 = TestRouter.getStateForAction(
{ type: NavigationActions.NAVIGATE, routeName: 'Zap' },
state2
);
expect(state2).toEqual(state3);
});