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A construct library that models Construct Hub instances.

Project description

Construct Hub

This project maintains a AWS Cloud Development Kit construct library that can be used to deploy instances of the Construct Hub in any AWS Account.


The test/devapp directory includes an AWS CDK app designed for deploying the construct hub into a development account. This app is also used as a golden snapshot, so every time the construct changes, you'll see its snapshot updated.

To bootstrap your developer account, use the following command:

CDK_NEW_BOOTSTRAP=1 npx cdk bootstrap aws://ACCOUNT/REGION

Use the following tasks to work with the dev app. It will always work with the currently configured CLI account/region:

  • yarn dev:synth - synthesize into test/devapp/cdk.out
  • yarn dev:deploy - deploy to the current environment
  • yarn dev:diff - diff against the current environment


To run all tests, run yarn test.

Unit tests are implemented using jest.

Integration tests are implemented as small CDK applications under files called .integ.ts. For each integration test, you can use the following tasks:

  • integ:xxx:deploy - deploys the integration test to your personal development account and stores the output under a .cdkout directory which is committed to the repository.
  • integ:xxx:assert - runs during yarn test and compares the synthesized output of the test to the one in .cdkout.
  • integ:xxx:snapshot - synthesizes the app and updates the snapshot without actually deploying the stack (generally not recommended)
  • integ:xxx:destroy - can be used to delete the integration test app (called by deploy as well)

To deploy integration test apps, you'll need to configure your environment with AWS credentials as well as set AWS_REGION to refer to the region you wish to use.

Integration tests use "triggers" which are lambda functions that are executed during deployment and are used to make assertions about the deployed resources. Triggers are automatically generated for all files named (for example, trigger.prune-test.lambda.ts) and can just be added to the integration test stack with the relevant dependencies. See the deny-list integration test as an example.


See CONTRIBUTING for more information.


This project is licensed under the Apache-2.0 License.

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