Regression Testing is a software testing technique used to verify that recent code changes or system updates have not negatively affected existing functionalities. In crypto trading platforms, this ensures that new features, algorithm adjustments, or infrastructure upgrades do not introduce bugs or alter the expected behavior of core trading, pricing, or risk management components. Its purpose is to maintain system stability, reliability, and predictability.
Mechanism
This involves executing a suite of previously defined test cases, which cover critical system functions and known defect areas, after every code modification. The outputs from these tests are compared against expected results or previous baseline outputs. Automated testing frameworks are commonly employed to run these extensive test suites quickly and repeatedly, identifying any deviations from established behavior.
Methodology
The approach prioritizes the continuous validation of system integrity and functional correctness. It requires a comprehensive test suite that evolves with the system, incorporating new test cases for added features and resolved defects. Regular execution of regression tests, often integrated into continuous integration/continuous deployment pipelines, provides an essential safety net, ensuring that system modifications do not inadvertently destabilize the trading environment.
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