smartstate/test/test.node.ts

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import { expect, tap } from '@pushrocks/tapbundle';
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import * as smartstate from '../ts/index.js';
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type TMyStateParts = 'testStatePart';
interface TStatePartPayload {
currentFavorites: string[];
deep: {
hi: number;
};
}
let testState: smartstate.Smartstate<TMyStateParts>;
let testStatePart: smartstate.StatePart<TMyStateParts, TStatePartPayload>;
tap.test('should create a new SmartState', async () => {
testState = new smartstate.Smartstate<TMyStateParts>();
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expect(testState).toBeInstanceOf(smartstate.Smartstate);
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});
tap.test('should create a new StatePart', async () => {
testStatePart = testState.getStatePart<TStatePartPayload>('testStatePart', {
currentFavorites: [],
deep: {
hi: 2,
},
});
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expect(testStatePart).toBeInstanceOf(smartstate.StatePart);
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console.log(testStatePart);
});
tap.test('should select something', async () => {
testStatePart
.select((state) => state.deep.hi)
.subscribe((substate) => {
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expect(substate).toEqual(2);
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});
});
tap.test('should dispatch a state action', async (tools) => {
const done = tools.defer();
const addFavourite = testStatePart.createAction<string>(async (statePart, payload) => {
const currentState = statePart.getState();
currentState.currentFavorites.push(payload);
return currentState;
});
testStatePart
.waitUntilPresent((state) => {
return state.currentFavorites[0];
})
.then(() => {
done.resolve();
});
await testStatePart.dispatchAction(addFavourite, 'my favourite things');
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expect(testStatePart.getState().currentFavorites).toContain('my favourite things');
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await done.promise;
});
tap.start();