@toptal/davinci-qa/src/utils/to-jest-cli-arguments.test.js

QA package to test your application

import { jest } from '@jest/globals'

import toJestCLIArguments from './to-jest-cli-arguments.js'
import argsToCLIRules from './jest-args-to-cli-converters.js'

const EXAMPLE_REPORTER = 'some-jest-reporter'
const ARGS_TO_CLI_RESULT = [EXAMPLE_REPORTER]

const reportersMock = jest.spyOn(argsToCLIRules, 'reporters')

describe('toJestCLIArguments', () => {
  it('converts boolean strings to booleans correctly', async () => {
    expect(
      await toJestCLIArguments({
        cache: 'false',
        ci: 'true',
      })
    ).toEqual({
      cache: false,
      ci: true,
    })
  })

  it('converts some rules by using args-to-cli rules', async () => {
    reportersMock.mockReturnValueOnce(ARGS_TO_CLI_RESULT)

    expect(
      await toJestCLIArguments({
        reporters: EXAMPLE_REPORTER,
      })
    ).toEqual({
      reporters: ARGS_TO_CLI_RESULT,
    })
  })
})