binary-test.ts

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import { prepareEnvironment } from '@gmrchk/cli-testing-library'
import { expect } from 'chai'

let monikaPath: string

before(async () => {
  const { spawn, cleanup } = await prepareEnvironment()
  const { getStdout, waitForText } = await spawn('which', 'monika', '.')
  await waitForText('/monika')
  monikaPath = getStdout()
    .join('\r\n')
    .replace('{{homedir}}', process.env.HOME || '')
  console.log('Setup: Using monika path', monikaPath)
  await cleanup()
})

describe('Binary CLI Testing', () => {
  it('shows version', async () => {
    // arrange
    const { spawn, cleanup } = await prepareEnvironment()

    // act
    const { getStdout, waitForText } = await spawn(monikaPath, '-v')
    await waitForText('@hyperjumptech/monika')

    const stdout = getStdout().join('\r\n')

    // assert
    expect(stdout).to.contain('@hyperjumptech/monika')

    await cleanup()
  })

  it('shows initializing file when no config', async () => {
    // arrange
    const { spawn, cleanup, exists, removeFile } = await prepareEnvironment()
    const assertText1 = 'No Monika configuration available, initializing...'
    const assertText2 =
      'monika.yml file has been created in this directory. You can change the URL to probe and other configurations in that monika.yml file.'

    // act
    const prevConfig = await exists('./monika.yml')
    if (prevConfig) {
      await removeFile('./monika.yml')
    }

    const { getStdout, waitForText } = await spawn(monikaPath, '-r 1')
    await waitForText(assertText2)
    const stdout = getStdout().join('\r\n')

    // assert
    expect(stdout).to.contain(assertText1)
    expect(stdout).to.contain(assertText2)

    await cleanup()
  })

  it('shows starting message with valid json config', async () => {
    // arrange
    const { spawn, cleanup } = await prepareEnvironment()

    // act
    const { getStdout, waitForText } = await spawn(
      monikaPath,
      '-r 1 -c ./monika.example.json'
    )
    await waitForText('Starting Monika.')
    const stdout = getStdout().join('\r\n')

    // assert
    expect(stdout).to.contain('Starting Monika.')

    await cleanup()
  })

  it('shows starting message with valid yml config', async () => {
    // arrange
    const { spawn, cleanup } = await prepareEnvironment()

    // act
    const { getStdout, waitForText } = await spawn(
      monikaPath,
      '-r 1 -c ./monika.example.yml'
    )
    await waitForText('Starting Monika.')
    const stdout = getStdout().join('\r\n')

    // assert
    expect(stdout).to.contain('Starting Monika.')

    await cleanup()
  })

  it('Detect config file changes successfully', async () => {
    // arrange
    const { spawn, cleanup, writeFile } = await prepareEnvironment()

    const initFile = `
  probes:
    - id: '1'
      name: Google
      interval: 1
      requests:
        - url: https://google.com
  notifications:
    - id: unique-id-monika-notif,
      type: desktop
  `
    const changeFile = `
  probes:
    - id: '1'
      name: Google
      interval: 1
      requests:
        - url: https://google.com
    - id: '2'
      name: Github
      interval: 1
      requests:
        - url: https://github.com
  notifications:
  - id: unique-id-monika-notif,
    type: desktop
  `
    const updatedString = 'WARN: config file update detected'

    // act
    // write initial yml
    await writeFile('./cli-test.yml', initFile)

    // run monika
    const { getStdout, waitForText, kill, wait } = await spawn(
      monikaPath,
      '-c cli-test.yml'
    )

    try {
      await waitForText('GET https://google.com')

      // write new yml containing github url
      await writeFile('./cli-test.yml', changeFile)
      await wait(5000)

      // assert
      const stdout = getStdout().join('\r\n')
      const stdoutBeforeConfigChange = stdout.split(updatedString)[0]
      const stdoutAfterConfigChange = stdout.split(updatedString)[1]
      // expect starting monika
      expect(stdoutBeforeConfigChange).to.contain('Using config file')
      expect(stdoutBeforeConfigChange).to.contain('cli-test.yml')
      expect(stdoutBeforeConfigChange).to.contain(
        'Starting Monika. Probes: 1. Notifications: 1'
      )
      expect(stdoutBeforeConfigChange).to.contain('GET https://google.com')

      // expect new yml including url github
      expect(stdoutAfterConfigChange).to.contain('Using config file:')
      expect(stdoutAfterConfigChange).to.contain('cli-test.yml')
      expect(stdoutAfterConfigChange).to.contain(
        'Restarting Monika. Probes: 2. Notifications: 1'
      )
      expect(stdoutAfterConfigChange).to.contain('GET https://github.com')
    } catch {
      console.error('catch error waiting for change file')
    }

    // Stop monika
    kill('SIGINT')
    await cleanup()
  })
})