Parameters for a parametrized test can be supplied by a class method or property. This tutorial shows how to use the MemberData attribute to designate the class member that contains the test data. See how to use the C# yield keyword in the method to return the data successfully.
- [Voiceover] In this theory I have…a single piece of inline data.…As you recall that means that when…this test is run it'll be run one…time with the single piece of data.…If I want to run multiple tests with…multiple parameters then I create…multiple inline datas.…If I have three inline datas my test…gets run three times.…There could be times when the number…that I'm generating or the piece of data…that I'm generating for the inline data is complex,…in that case it would be beneficial if I could…write some code to generate the information.…
Another case where that would be beneficial…is if I have lots of inline test cases.…Imagine for a second that I have 300…pieces of test data I have to use for this theory.…Writing 300 attributes on this method…would be tedious, instead it would be nice…if I could put that in code.…Action the support sys with something called a…member data, that means I can create…a property or a method in my class…until the theory the to call that.…Typically you put the member data in the…same class but that's not a strict requirement.…
Author
Walt Ritscher
Released
6/16/2016- Examining types of frameworks
- Choosing a naming convention
- Creating unit tests
- Running unit tests with Visual Studio
- Modifying and correcting code
- Handling exceptions
- Installing and using nUnit
- Viewing test results with CodeLens
Skill Level Intermediate
Duration
Views
Q: This course was updated on 08/22/2017. What changed?
A: New videos were added that cover live unit testing and creating a project with the unit test framework.
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Introduction
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Welcome1m
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1. Create a Simple Unit Test Framework
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What are unit tests?6m 23s
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Add the test projects1m 14s
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Analyze which tests to run2m 10s
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Create a simple test4m 45s
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Create a simple test runner3m 46s
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Add additional tests2m 59s
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Refactor the test runner3m 59s
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Create an Assert class5m 20s
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Use the Assert class3m 49s
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2. Unit Testing Conventions
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Choose a naming convention5m 59s
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3. Work with Visual Studio Unit Testing Framework
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Create the unit test4m 16s
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Run the unit test3m 21s
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Modify code to pass test4m 53s
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Expected exceptions4m 27s
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Test parameters4m 9s
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4. Work with xUnit
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Install xUnit2m 21s
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Expected exceptions4m 55s
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Test multiple parameters2m 13s
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5. Work with nUnit
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Install nUnit2m 9s
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Create and run a unit test2m 25s
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Use the nUnit constraints3m 44s
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More nUnit constraints6m 16s
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Test parameters2m 21s
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6. Additional Topics
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Get more from your tests4m 40s
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Debug unit tests2m 8s
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Use the test menus3m 27s
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Conclusion
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Next steps1m 1s
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Video: Provide parameter values with a custom class member