Pragmatic Unit Testing in C# with NUnit (Pragmatic - download pdf or read online

By Andy Hunt, Dave Thomas

This booklet is a slender one, simply over two hundred pages, and offers a simple creation to writing unit checks. It explains the idea that of unit checking out, why they're helpful, and contains on with tips to write and deal with tests.

The reader is lightly brought to the code, and proven how a unit try may be written with no attempt framework. NUnit is then brought and is used to automate many of the gritty info. there's a easy review of mock gadgets, and a point out of the NMock device. The booklet in brief mentions test-driven improvement, code assurance, UI checks, and refactoring, yet doesn't move into them in any intensity. that's high quality, on account that this is often meant as a centred creation to unit testing.

For an individual new to unit checking out in .NET, this booklet is worthy a learn. It doesn't move into a lot intensity, yet does the activity as introductory fabric. while you're already happy with unit checking out and NUnit, i will suggest The artwork of Unit checking out: With Examples in .Net as a extra complex publication.

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1 Are the Results Right? The first and most obvious area to test is simply to see if the expected results are right—to validate the results. We’ve seen simple data validation already: the tests in Chapter 2 that verify that a method returns the largest number from a list. These are usually the “easy” tests, and many of these sorts of validations may even be specified in the requirements. If they aren’t, you’ll probably need to ask someone. You need to be able to answer the key question: If the code ran correctly, how would I know?

4 NUnit Test Selection As we’ve seen so far, a fixture (that is, a class marked with the [TestFixture] attribute) contains test methods; each method contains one or more assertions. Multiple test fixtures can be included into an assembly. You will normally run all of the tests within an assembly just by specifying the assembly to the test runner. You can also choose to run individual test fixtures within an assembly using either the NUnit command line or GUI. From the GUI, you can select an individual test, a single test fixture, or the entire assembly by clicking on it, and all the appropriate tests will be run.

Ordering — Is the set of values ordered or unordered as appropriate?

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