index.test.js

describe('initer', () => {
  describe('getDefaultSectionString', () => {
    test('returns string on input: empty string', () => {
      const getDefaultSectionString = require('./index')._only_for_testing_getDefaultSectionString

      const filecontents = ' '
    
      const res = getDefaultSectionString(filecontents)
    
      expect(typeof res).toBe('string')
      expect(res.trim()).toBe('')
    })

    test('returns empty string on input: [default] header', () => {
      const getDefaultSectionString = require('./index')._only_for_testing_getDefaultSectionString

      const filecontents = `
      [defaut] 
      
      `
  
      const res = getDefaultSectionString(filecontents)
    
      expect(typeof res).toBe('string')
      expect(res.trim()).toBe('')
    })

    test('returns empty string on input: other header, other section', () => {
      const getDefaultSectionString = require('./index')._only_for_testing_getDefaultSectionString

      const filecontents = `
[some-other-header]
first
second 

      `
  
      const res = getDefaultSectionString(filecontents)
    
      expect(typeof res).toBe('string')
      expect(res.trim()).toBe('')
    })

    test('returns section on input: [default] header and section', () => {
      const getDefaultSectionString = require('./index')._only_for_testing_getDefaultSectionString

      const filecontents = `
[default] 
first
second
      `
  
      const res = getDefaultSectionString(filecontents)
    
      expect(typeof res).toBe('string')
      const text = res.trim() // 'first\nsecond'
      expect(/first/.test(text)).toBe(true)
      expect(/second/.test(text)).toBe(true)
    })

    test('returns section on input: other section 1, [default] header, section, other section 2', () => {
      const getDefaultSectionString = require('./index')._only_for_testing_getDefaultSectionString

      const filecontents = `
[some-other-profile-a]
sky
air
[default] 
first
second
[some-other-profile-b]
clouds
      `
  
      const res = getDefaultSectionString(filecontents)
    
      expect(typeof res).toBe('string')
      const text = res.trim()
      // We want all between [default] and next header, but nothing else
      expect(text).toBe('first\nsecond')
    })
  })

  describe('parseAwsCredentialsOrConfigFile', () => {
    test('returns default credentials on just [default] section present', () => {
      const parseAwsCredentialsOrConfigFile = require('./index')._only_for_testing_parseAwsCredentialsOrConfigFile

      const filecontents = `
[default]
aws_access_key_id = AKIA2WOM6JAHXXXXXXXX
aws_secret_access_key = XXXXXXXXXX+tgppEZPzdN/XXXXlXXXXX/XXXXXXX

` 
      const res = parseAwsCredentialsOrConfigFile(filecontents)

      expect(res).toBeDefined()
      expect(res.default).toBeDefined()
      expect(res.default.aws_access_key_id).toBe('AKIA2WOM6JAHXXXXXXXX')
      expect(res.default.aws_secret_access_key).toBe('XXXXXXXXXX+tgppEZPzdN/XXXXlXXXXX/XXXXXXX')
    })

    test('returns default credentials on multiple sections present', () => {
      const parseAwsCredentialsOrConfigFile = require('./index')._only_for_testing_parseAwsCredentialsOrConfigFile

      // the more weirdly formed
      const filecontents = `
      [some-other-section-a]
  some-other-section-field-b=1234567890
[default]
aws_access_key_id= AKIA2WOM6JAHXXXXXXXX
aws_secret_access_key =XXXXXXXXXX+tgppEZPzdN/XXXXlXXXXX/XXXXXXX
[some-other-section-b]
  some-other-section-field-b=098765434567898765
` 
      const res = parseAwsCredentialsOrConfigFile(filecontents)

      expect(res).toBeDefined()
      expect(res.default).toBeDefined()
      expect(res.default.aws_access_key_id).toBe('AKIA2WOM6JAHXXXXXXXX')
      expect(res.default.aws_secret_access_key).toBe('XXXXXXXXXX+tgppEZPzdN/XXXXlXXXXX/XXXXXXX')
    })
  })

  describe('init', () => {
    // TODO create mock .aws and see if fields are extracted correctly
    test('runs, and output has expected structure', async () => {
      const os = require('os')
      const uuidv4 = require('uuid').v4 
      const fs = require('fs')
      const path = require('path')
      const { init } = require('./index')
      // init will write hyperform.json here
      const absdir = path.join(os.tmpdir(), uuidv4())
      fs.mkdirSync(absdir)

      let err 
      try {
        init(absdir)
      } catch (e) {
        console.log(e)
        err = e
      }

      // it didn't throw
      expect(err).not.toBeDefined()

      // it wrote hyperform.json
      const hyperformJsonPath = path.join(absdir, 'hyperform.json')
      expect(fs.existsSync(hyperformJsonPath)).toBe(true)

      // hyperform.json has the expected structure
      let hyperformJson = fs.readFileSync(hyperformJsonPath)
      hyperformJson = JSON.parse(hyperformJson)

      expect(hyperformJson.amazon).toBeDefined()
      expect(hyperformJson.amazon.aws_access_key_id).toBeDefined()
      expect(hyperformJson.amazon.aws_secret_access_key).toBeDefined()
      expect(hyperformJson.amazon.aws_region).toBeDefined()
    })
  })
})