105. Integration Testing on AWS
AWS Bites
In this episode, we discuss integration testing event-driven systems and explore AWS's new Integration Application Test Kit (IATK). We cover the challenges of testing events and common approaches like logging, end-to-end testing, and using temporary queues. We then introduce IATK, walk through how to use it for EventBridge testing, and share our experience trying out the X-Ray trace validation. We found IATK promising but still rough around the edges, though overall a useful addition to help test complex event flows.
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🔖 Chapters:
00:00 Introduction to integration testing challenges 00:54 Overview of integration testing approaches 04:30 Common techniques for testing events 06:01 Difference between integration tests and end-to-end (E2E) tests 06:44 Existing tools like SLS Test Tools 08:14 Introducing AWS IATK 09:34 Using IATK for EventBridge testing 12:09 Walkthrough of creating IATK tests 15:12 Validating traces with IATK and X-Ray 19:01 Issues faced with trace validation 21:06 Generating mock events with IATK 23:02 Thoughts and pros and cons of IATK 27:37 Closing notes
In this episode, we mentioned the following resources:
- sls-test-tools on GitHub: https://github.com/aleios-cloud/sls-test-tools
- Sarah Hamilton’s article on Integration testing and how to use sls-test-tool: https://medium.com/serverless-transformation/bridge-integrity-integration-testing-strategy-for-eventbridge-based-serverless-architectures-b73529397251
- Our previous episode on building a cross-account Event Bridge deployment: https://awsbites.com/39-how-do-you-build-a-cross-account-event-backbone-with-eventbridge/
- Our IATK tests for the cross-account Event Bridge project: https://github.com/fourTheorem/cross-account-eventbridge/blob/main/test/integration/test_events.py
- IATK tutorial: https://awslabs.github.io/aws-iatk/tutorial/
- IATK examples: https://awslabs.github.io/aws-iatk/tutorial/examples/retrieve_cfn_info/
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#aws #testing #integration ... https://www.youtube.com/watch?v=1bt01ks5D6c
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