test.ts

import { appSimulator } from '@tramvai/test';
import { createAction } from '@tramvai/core';
import { createReducer, createEvent } from '@tramvai/state';
import { CommonModule } from '@tramvai/module-common';
import { actionServerStateEvent } from '@tramvai/module-common/lib/actions/actionTramvaiReducer';
import { CONTEXT_TOKEN, COMBINE_REDUCERS } from '@tramvai/tokens-common';

const incrementEvent = createEvent('increment');

const testReducer = createReducer('test', {
  count: 0,
}).on(incrementEvent, (state) => ({
  count: state.count + 1,
}));

const action = createAction({
  name: 'test',
  async fn(ctx) {
    await ctx.dispatch(
      actionServerStateEvent({
        foo: true,
      })
    );
    await ctx.dispatch(incrementEvent());
  },
});

describe('test', () => {
  it('context', async () => {
    const { getToken } = appSimulator({
      modules: [CommonModule],
      providers: [
        {
          provide: COMBINE_REDUCERS,
          multi: true,
          useValue: testReducer,
        },
      ],
    });

    const context = getToken(CONTEXT_TOKEN);

    expect(context.getState().actionTramvai.serverState.foo).toBeUndefined();
    expect(context.getState().test.count).toBe(0);

    await context.executeAction(action);

    expect(context.getState().actionTramvai.serverState.foo).toBe(true);
    expect(context.getState().test.count).toBe(1);
  });
});