#Lambda - Boilerplate Lambda Async Testing

lambda.js

////********************************Async Version**********************************************////

// lambda function
let response

module.exports.handler = async(event) => {
	try {
		response = await Promise.resolve('Works')
    } catch (err) {
    	console.log(err)
      	throw new Error('Something went wrong')
    }
  return response
}

// unit test
const test = require('tape')

test('should be true', async(assert) => {
	assert.plan(1)
  	try {
    	const lambda = require('./lambda.js')
        await lambda.handler()
      	assert.pass('returns a resolved promise..')
    } catch (err) {
    	console.log(err)
      	assert.fail('promise was rejected...')
    }
})

////********************************Promise Version**********************************************////

// lambda function
module.exports.handler = async(event) => {
	const response = Promise.resolve('Works')
	
    return response
      		.then(data => data)
      		.catch(err => {
    		throw new Error(err)
    		})
}

// unit test
const test = require('tape')

test('should be true', async(assert) => {
		assert.plan(1)
    	const lambda = require('./lambda.js')
		
        lambda.handler()
  		.then(data => {
			assert.pass('returns a resolved promise...')
        })
  		.catch(err => {
        	assert.fail('promise was rejected...')
        })
})