May 2019
Intermediate to advanced
496 pages
10h 38m
English
Content preview from Mastering React Test-Driven Development
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Generating parameterized tests
Some programming languages, such as Java and C#, require special framework support to build parameterized tests. But in JavaScript, we can very easily roll our own parameterization because our test definitions are just function calls. We can use this to our advantage by pulling out each of the existing six tests as functions taking parameter values.
This kind of change requires some diligent refactoring. We'll do the first two tests together, and then you can either repeat for the remaining five tests or jump ahead to the next tag in the Git repository:
- Our existing tests use a function named firstNameField. Create a generic version of function that will work for any field, as shown next. It takes a name parameter ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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