SMRTR ProgrammingMar 30, 2025Daily.dev

Unit Test a REST API? Everything You Need to Know

SMRTR summary

Testing is crucial for building high-quality, maintainable software. The test pyramid recommends three key types:

1. Unit tests: Fast, cheap tests verifying individual components in isolation.

2. Integration tests: Checking how different modules work together.

3. UI tests: Simulating user interactions to validate the full application.

A balanced test suite with more low-level unit tests and fewer high-level UI tests improves code quality, catches bugs early, and gives developers confidence when making changes.

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