Software Testing Quotes

“Software testing is a sport like hunting, it's bughunting.”
― Amit Kalantri

“I write them to improve my productivity as a programmer. Making the quality assurance department happy is just a side effect. Unit tests are highly localized. Each test class works within a single package. It tests the interfaces to other packages, but beyond that it assumes the rest just works.

Functional tests are a different animal. They are written to ensure the software as a whole works. They provide quality assurance to the customer and don't care about programmer productivity. They should be developed by a different team, one who delights in finding bugs.”
― Martin Fowler, Refactoring: Improving the Design of Existing Code

“The simplest answer is that the user had access to reality—every company builds a bubble around itself, where the products get built and tested in a more controlled environment than they get used in. This is especially true of complex software. What the early users enabled Xiaomi to see was how MIUI actually worked when real (albeit unusually technically proficient) people tried to install it on a wide variety of devices.”
― Clay Shirky, Little Rice: Smartphones, Xiaomi, and The Chinese Dream

“Some people mistakenly refer to software defects as bugs. When called bugs, they seem like pesky things that should be swatted or even ignored. This trivializes a critical problem and fosters a wrong attitude. Thus, when an engineer says there are only a few bugs left in a program, the reaction is one of relief. *Supposed, however, that we called them time bombs instead of bugs.* Would you feel the same sense of relief if a programmer told you that he had thoroughly tested a program and there were only a few time bombs left in it? Just using a different term changes your attitude entirely.”
― Watts S. Humphrey, Reflections on Management: How to Manage Your Software Projects, Your Teams, Your Boss, and Yourself

“The job of a tester is to prove that the software is bug free, while it has to be the other way around: The job of a tester is to prove that the software is broken. The better testers are doing their jobs, the more bugs they manage to find and report.”
― Yegor Bugayenko, Code Ahead

“Tests are sometimes mistaken with quality assurance. These two notions are not identical: 1) quality assurance ensures that the organization's processes are implemented and applied correctly; 2) testing identifies defects and failures, and provides information on the software and the risks associated with their release to the market”
― Bernard Homes, Fundamentals of Software Testing

“The approach shown... is a common pattern for testing exception-throwing behavior with JUnit.

@Test 
public void missingValueRaisesException() throws Exception {
 try {
 new Template("${foo}").evaluate();
 fail("evaluate() should throw an exception if "
 + "a variable was left without a value!");
 } catch (MissingValueException expected) {
 }
}

”
― Lasse Koskela, Test Driven: Practical TDD and Acceptance TDD for Java Developers

“Most literature on the subject of agile methodology... is written from the viewpoint of software developers and programmers, and tends to place its main emphasis on programming techniques and agile project management—testing is usually only mentioned in the guise of unit testing and its associated tools. ...However, unit tests alone are not sufficient and broader-based testing is critical to the success of agile development processes.”
― Tilo Linz, Testing in Scrum: A Guide for Software Quality Assurance in the Agile World

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― Ascent Software Training Institute

“In many ways, being a good tester is harder than being a good developer because testing requires not only a very good understanding of of the development process and its products, but it also demands an ability to anticipate likely faults and errors”
― John D. McGregor, A Practical Guide to Testing Object-Oriented Software

“A common pattern for teams that start with test automation, or development groups that start breaking down silos between testers and developers, is to take existing manual tests and automate them. Unless it’s a training exercise for an automation tool, this is almost always a bad idea.”
― Gojko Adzic, Fifty Quick Ideas To Improve Your Tests

“When teams decide to automate a set of existing tests that were previously designed as manual tests, the best way forward is to rewrite and redesign the tests from scratch. Keep the purpose, but throw away pretty much everything else.”
― Gojko Adzic, Fifty Quick Ideas To Improve Your Tests

“Software testing is not only ensuring absence of bugs but also ensuring presence of value.”
― Amit Kalantri

“As a result, there is no technical mechanism that can ensure that every layer in the system is unaltered and thus no technical mechanism that can ensure that a computer application will produce accurate results.”
― Lee C. Bollinger, Securing the Vote: Protecting American Democracy

“React Native, being the most compelling and captivating technology for app development has been growing at fanatic pace since inception. Using this Facebook technology, NicheTech provides customized React Native app development services leveraging its vast skill set and technology expertise.”
― NicheTech Computer Solutions Pvt Ltd

“When the automation test pack is being designed, the most important decision is to plan the Test Scheduling of those Automated Test Scripts. The objective of test automation is to reduce the amount of time spent in Regression Testing”
― Narayanan Palani, Software Automation Testing Secrets Revealed: Revised Edition - Part 1

“Program testing can be used to show the presence of bugs, but never to show their absence!”
― Edsger Dijkstra