For more complicated parametrized tests, you might need to supply multiple data items for each tests. This video shows how to modify the test method to take multiple parameters and how to add those parameters with the InlineData attribute.
- [Voiceover] In this demo,…I'll look at using multiple parameters…with my XUnit theory.…I'll be testing this method, GetTheCountOfThisDigit,…which is inside my number analyzer class.…The way this method works is given this candidate number,…12345, if I ask for the number of fours that are…in that test number, it should return one.…With this candidate number, it should return three.…I have a couple of unit tests set up over here.…
This first one is a fact.…You see that I'm setting up my number analyzer…in my arrange phase.…In the act phase, I'm calling to get the count of this digit…and passing in the number four.…And then, in the assert phase,…I'm asserting that I got back the result of three.…I've copied that method.…It's down here.…That's exactly the same method, but I marked it as a theory,…and I'll use some inline data.…I'll need three parameters.…I'll replace this parameter, this parameter,…and the expected result.…
Now that I got my parameters, I'll change out my code.…And the final step is to go to my theory…
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
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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: Test multiple parameters