Recent Posts
Thinking Through Test Pollution
When you run tests in a random class and method order, which results in them failing, you have demonstrated test pollution. This is usually the result of sloppy tests that don’t clean up after themselves. Taking the time to understand the failures can help point you towards the root cause of pollution. Recipients of pollution are either Beneficiaries or Innocent Bystanders.
Beneficiaries Beneficiaries are those tests that originally took advantage of test pollution, baking it into the assumptions used to write the test.
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How to Randomize Tests in JUnit with Gradle
The ability to randomize the order of tests has always been a useful tool for diagnosing flaky tests as it exposes the interdependency between tests. However, until JUnit 5.8.0, you were only able to randomize the order of methods within a test class using MethodOrder$Random. Now you can also randomize the class order!
Lets setup version 5.8.0 of JUnit, and demonstrate how to run classes and methods randomly.
1. Setting up JUnit 5.
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How to Run an Effective Agile Demo: A Secret Way to Build Stakeholder Trust
As a developer on a scrum team, you have likely watched helplessly as the pressure from stakeholders mounts. Despite each sprint producing multi-hour planning meetings, and Gannt or Burndown charts, your leaders never seem to be satisfied with the current progress. This common situation is due to a lack of trust.
Trust is not built only with charts and graphs, but by showing management what you are building. Leadership wants to see the application they’ve invested in come to life.
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