Introducing Unit Tests for Flows: Ensure Reliability with Every Change

The 0.23 release of the Kestra platform introduces Unit Tests for Flows, a feature designed to enhance the reliability of workflow automation by enabling automated, isolated testing of individual flow components. This functionality allows users to verify flow logic without triggering side effects or interfering with production data, making it possible to safely test workflows that interact with external systems such as APIs and databases. Unit Tests in Kestra are written in YAML, allowing for language-agnostic and accessible test creation and management directly from the Kestra UI. The tests support mocking of inputs, files, and task outputs, enabling users to simulate various scenarios and ensure that tasks behave as expected through assertions. This feature facilitates parallel testing at scale without degrading system performance and keeps test executions separate from production executions for a clean workflow environment. Available in the Enterprise Edition and Kestra Cloud, Unit Tests aim to prevent regressions, maintain workflow integrity, and provide clear feedback on test outcomes, contributing significantly to a robust workflow automation process.

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