github-pages-deploy-action/__tests__/execute.test.ts

import {execute, stdout} from '../src/execute'
import {exec} from '@actions/exec'

jest.mock('@actions/exec', () => ({
  exec: jest.fn()
}))

describe('execute', () => {
  it('should be called with the correct arguments', async () => {
    stdout('hello')
    await execute('echo Montezuma', './')

    expect(exec).toBeCalledWith('echo Montezuma', [], {
      cwd: './',
      silent: true,
      listeners: {
        stdout: expect.any(Function)
      }
    })
  })

  it('should not silence the input when INPUT_DEBUG is defined', async () => {
    process.env['RUNNER_DEBUG'] = '1'

    stdout('hello')
    await execute('echo Montezuma', './')

    expect(exec).toBeCalledWith('echo Montezuma', [], {
      cwd: './',
      silent: false,
      listeners: {
        stdout: expect.any(Function)
      }
    })
  })
})