serverless/test/unit/lib/utils/resolve-region.test.js

'use strict'

const chai = require('chai')

const expect = chai.expect
const resolveRegion = require('../../../../lib/utils/resolve-region')

describe('test/unit/lib/utils/resolve-region.test.js', () => {
  it('should return `region` from options first if it is present', () => {
    const result = resolveRegion({
      configuration: { provider: { region: 'fromprovider' } },
      options: { region: 'fromoptions' },
    })
    expect(result).to.equal('fromoptions')
  })

  it('should return `region` from configuration if region is not passed in options', () => {
    const result = resolveRegion({
      configuration: { provider: { region: 'fromprovider' } },
      options: {},
    })
    expect(result).to.equal('fromprovider')
  })

  it('should return default region if both options and configuration do not have it defined', () => {
    const result = resolveRegion({ configuration: {}, options: {} })
    expect(result).to.equal('us-east-1')
  })
})