Dale Perry

Dale Perry has 38 years experience in information technology. He has been a programmer/analyst, database administrator, project manager, development manager, tester, and test manager. He has also been a professional instructor for over 24 years and has presented at numerous industry conferences on development and testing. With Software Quality Engineering for eighteen years, Dale has specialized in training and consulting on testing, test techniques and methods, inspections and reviews, and other testing and quality related topics.

All Stories by Dale Perry

Managing the Risks of Cloud Storage

When managing and storing information, the cloud is a reasonable place to do that, but you need to realize that, as with a personal computer or any other device, it needs to have a backup (or more than one, for important things). Luckily, there are several ways to make local backup copies of critical data.

Pushing System Performance with Stress Testing

In performance testing, the term “stress” can have several possible meanings and can represent several different types of stress. Dale Perry details some common methods of stress testing when testing system performance. The key is knowing which stress tests make sense in your situation.

The Basis of Test-Driven Development: Writing Effective Test Cases

Too often, test-driven development still initially focuses on coding aspects, not testing. The first step in a test-driven approach has to be writing effective tests. It's not enough to simply ensure good coverage; effective tests should also confirm that decisions made in the code work correctly.

Test Automation—A Non-Expert’s Perspective

Looking at automating test execution, there are two distinct areas of focus—testing at the technical level (component and technical integration) and testing at the functional level (system or acceptance). Dale Perry offers his view on each's requirements, focus, and the issues that can arise.

The Twelve Days of Testing

On the first day of testing, the dev team gave to me a bug in the software code. This variation on the classic Christmas carol "The Twelve Days of Christmas" contains items a software tester will know all too well!

How Performance Testing Stands Apart

Performance testing is fundamentally different from other types of tests, especially functional testing. Performance testing does not utilize test cases as we typically see them. Dale Perry details how to create a successful performance test, including designing an operational profile and load-based tests.

The Advantages of Utilizing Formal Test Design Techniques

When it comes to test design, some people believe in the use of formal test design techniques, while others believe that those same techniques cause rigid thinking and limit creativity. Dale Perry says why formal techniques have value as a basis for formal analysis as well as for creative thinking.

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