DevTools Advanced VS Testcontainers

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• Isolation
  Testcontainers provides a high level of isolation for tests by using Docker containers, ensuring that each test runs in a clean environment without interference from the previous tests.
• Realistic Testing
  By using actual instances of services like databases or message brokers, Testcontainers allow for more realistic integration and end-to-end testing scenarios.
• Ease of Use
  Testcontainers simplifies the setup of complex environments, allowing developers to quickly specify the containers they need without extensive configuration.
• Cross-Platform
  As Testcontainers rely on Docker, they are inherently cross-platform and can be used on any system that supports Docker, such as Windows, Mac, and Linux.
• Compatibility with CI/CD
  Testcontainers can be seamlessly integrated into CI/CD pipelines, enabling automated testing with consistent environments on every build.

Possible disadvantages

• Docker Dependency
  Testcontainers requires Docker to be installed and running on the host machine, which may be an additional dependency that some environments do not support.
• Performance Overhead
  Running tests in Docker containers can introduce additional resource overhead, which may slow down test execution compared to running tests natively.
• Complex Debugging
  Debugging issues in a containerized environment can be more complex due to the additional layer of abstraction, requiring familiarity with Docker commands and tools.
• Limited UI Testing
  Testcontainers are more suited to backend and integration testing rather than UI testing, as graphical applications can be challenging to run in a headless container.

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Testcontainers – From Zero to Hero

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Tracking DevTools Advanced since Jul 2023.

• Integration testing with PostgreSQL, Drizzle and Vitest

  The main question was how to setup a database on which the tests can run. I didn't find much on the topic but the article How to Test Your Node.js & Postgres App Using Drizzle & PGlite gave me a starting point. I implemented a POC with... - Source: dev.to / 11 days ago

• Isolated Testing Strategies for Microservices

  Stubbing | WireMock - Official WireMock documentation describing stubbing, mapping persistence, and server usage used to show how to create and manage HTTP stubs and scenarios. Mockito framework site - Official Mockito guidance and... - Source: dev.to / 2 days ago

• Floci: Locally emulating any cloud service

  Been using it for a while to run integration tests with Testcontainers [1]. It's very good and much more lightweight than Localstack. [1]: https://testcontainers.com/. - Source: Hacker News / 24 days ago

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