index.test.js

import { matchPattern, payloadActions, errorActions } from './index'

describe('matchPattern', () => {
  it('Matches with string pattern', () => {
    {
      const result = matchPattern('ACTION_TYPE', { type: 'ACTION_TYPE' })
      expect(result).toEqual(true)
    }

    {
      const result = matchPattern('ACTION_TYPE', { type: 'ACTION_TYPE_OTHER' })
      expect(result).toEqual(false)
    }
  })

  it('Matches with array of strings pattern', () => {
    const arrayPattern = ['ACTION_TYPE_1', 'ACTION_TYPE_2']

    {
      const result = matchPattern(arrayPattern, { type: 'ACTION_TYPE_1' })
      expect(result).toEqual(true)
    }

    {
      const result = matchPattern(arrayPattern, { type: 'ACTION_TYPE_2' })
      expect(result).toEqual(true)
    }

    {
      const result = matchPattern(arrayPattern, { type: 'ACTION_TYPE_NONE' })
      expect(result).toEqual(false)
    }
  })

  it('Matches with predicate pattern', () => {
    const predicatePattern = (action) => action.payload.foo === 'bar'

    {
      const result = matchPattern(
        predicatePattern,
        { type: 'DUMMY_TYPE', payload: { foo: 'bar' } },
      )
      expect(result).toEqual(true)
    }

    {
      const result = matchPattern(
        predicatePattern,
        { type: 'DUMMY_TYPE', payload: { foo: 'noooo' } },
      )
      expect(result).toEqual(false)
    }
  })

  it('Does not match with no pattern', () => {
    const result = matchPattern(
      undefined,
      { type: 'DUMMY_TYPE', payload: { foo: 'bar' } },
    )
    expect(result).toEqual(false)
  })
})

describe('payloadActions', () => {
  it('works', () => {
    const { exampleAction } = payloadActions('FOO')

    expect(typeof exampleAction).toEqual('function')
    expect(exampleAction.type).toEqual('FOO/EXAMPLE_ACTION')
    expect(exampleAction({ foo: 'bar' })).toEqual({
      type: "FOO/EXAMPLE_ACTION",
      payload: { foo: "bar" },
      meta: {},
    })
    expect(exampleAction({ foo: 'bar' }, { meta: 'data' })).toEqual({
      type: "FOO/EXAMPLE_ACTION",
      payload: { foo: "bar" },
      meta: { meta: 'data' },
    })
  })
})

describe('errorActions', () => {
  it('works', () => {
    const { exampleAction } = errorActions('FOO')

    expect(typeof exampleAction).toEqual('function')
    expect(exampleAction.type).toEqual('FOO/EXAMPLE_ACTION')
    expect(exampleAction.error).toEqual(true)
    expect(exampleAction({ foo: 'bar' }, { meta: 'data' })).toEqual({
      type: "FOO/EXAMPLE_ACTION",
      payload: { foo: "bar" },
      meta: { meta: 'data' },
      error: true
    })
  })
})