Thomas Arts - Property-Based Testing in Blockchain and P2P Networks - Code BEAM STO

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Testing is a major part of all software development - yet no matter how much effort is spent on it, some errors always seem to slip through. Cases which "no-one thought to test" crash systems late in development or out in the field, revealing errors which cost time and money to analyze, diagnose, and fix. In the worst case, such errors reveal fundamental flaws which force a redesign of part of the system, at disproportionate cost.

QuickCheck is an automated testing tool addressing the testing challenges by automatically generating test cases from a concise specification (so that many more cases can be tested), and simplifying failing cases to a minimal example on a test failure (so that fault diagnosis is quick and easy). QuickCheck enables developers to generate tests from specifications. It enables them to find errors at an earlier stage, lowering costs and improving quality as a result. In this tutorial, Thomas Arts will use examples to show how developers write QuickCheck specifications - which are actually Erlang programs using the QuickCheck API - and use them to test code written in Erlang or other programming languages. We will see how QuickCheck's shrinking finds tiny examples that provoke errors, making the step from observing a bug to diagnosing it very short indeed.

More details here: https://codesync.global/speaker/thomas-arts/
Category
Code BEAM STO 2018

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