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The Art of Unit Testing, 2nd Edition by Roy Osherove

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9.5. Tough questions and answers

This section covers some questions I’ve come across in various places. They usually arise from the premise that implementing unit testing can hurt someone personally—a manager concerned about their deadlines or a QA employee concerned about their relevancy. Once you understand where a question is coming from, it’s important to address the issue, directly or indirectly. Otherwise, there will always be subtle resistance.

9.5.1. How much time will unit testing add to the current process?

Team leaders, project managers, and clients are the ones who usually ask how much time unit testing will add to the process. They’re the people at the front lines in terms of timing.

Let’s begin with some facts. Studies have shown ...

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