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What is a better practice?

Alexander Sales
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Joined: Feb 21, 2011
Posts: 89

One assert per test?

or

the other way around...

like for example :



or



OCPJP 6, OCEWCD Java EE 6
Jeanne Boyarsky
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Joined: May 26, 2003
Posts: 30548
    
152

Alexander,
The idea of one assertion per test is to be testing one thing in each test. That may require one assertion. In your example, each of the three assertions is independent and makes sense to be in a separate test. The clue is that you have clear "business" types names for each test.

Consider this example:


I'm testing one business case/scenario although I happen to use two assertions. I might even refactor the assertions to another method to show they go together.



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Alexander Sales
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Joined: Feb 21, 2011
Posts: 89

yes, that's a good approach. Thanks Jeanne.
 
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