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AWS Utils

Home of various packages for testing, deploying and building applications on top of AWS and other cloud infrastructure.

AppSync Emulator Deprecation notice

We've worked with AWS over the last few months to transition ownership of the emulator directly into Amplify's (and AWS) hands.

Please see: https://www.linkedin.com/feed/update/urn:li:activity:6565000058121572352 for details. We will be deprecating the package shortly.

Prerequisites

This repo tests that Go and Python serverless functions work. For the specs to run, you will need both Python 3 and Golang installed and to have built the Go files using the .compileAll.sh script.

Developing

Clone this repo and build everything:

git clone git@github.com:ConduitVC/aws-utils.git
cd aws-utils
go get -u github.com/aws/aws-lambda-go/lambda
./compileAll.sh
yarn install

Then make sure all the specs pass:

This mono repo runs all tests through jest (including eslint!) to run the tests you first need to start docker-compose to make the localstack services available.

docker-compose run -d localstack
docker-compose run wait
yarn test

If you find the tests running slowly or with intermittent failures, try running this once to clear the Jest cache:

yarn test --clearCache

Also, check that you have enough RAM allocated to Docker. 4GB would be a good starting point.

It may help to use yarn test --runInBand to stop the localstack stuff getting overwhelmed by the default parallel tests.

To debug the tests, do this:

NODE_DEBUG=appsync-emulator:lambdaRunner TERM=dumb yarn test

Without TERM=dumb, any console.log() or log messages will be swallowed by Jest as it scrolls up to replace its own output.