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The Struggle To Test Microservices Before Merging
- Integration testing of microservices can be a struggle.
- There are various approaches, such as integration testing using mocks, contract testing, and end-to-end testing.
- Integration testing with mocks doesn’t require a full environment setup and seed specific data for testing.
- Contract testing is valuable for services that interact via HTTP and have RESTful relationships.
- End-to-end testing assesses real interactions and behaviors of the system but can elongate the development cycle when only run post-merge or in pre-production.
- Canary-style testing in a shared baseline environment enables API and frontend-level testing pre-merge, with request routing as a solution to let “test” versions of services interact with a cluster.
- Request routing eliminates the need to duplicate environments and streamlines testing processes.
- Signadot is a tool that enables high-quality pre-merge testing with a shared staging cluster, leading to significant time and cost savings.
- Running efficient pre-merge tests can reduce the chances of issues in production.
- Proper integration testing helps catch issues early, ensuring comprehensive coverage and high accuracy.
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