Tests

Adding an empty listener by keepMount(store) keeps the store in active mode during the test. cleanStores(store1, store2, …) cleans stores used in the test.

import { cleanStores, keepMount } from 'nanostores'

import { $profile } from './profile.js'

afterEach(() => {
  cleanStores($profile)
})

it('is anonymous from the beginning', () => {
  keepMount($profile)
  expect($profile.get()).toEqual({ name: 'anonymous' })
})

You can use allTasks() to wait all async operations in stores.

import { allTasks } from 'nanostores'

it('saves user', async () => {
  saveUser()
  await allTasks()
  expect(analyticsEvents.get()).toEqual(['user:save'])
})

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Imported from the Nano Stores README for version 1.5.5. Improve this page there.