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I am new to Junit. I have a class with four methods. I am creating a test class with test cases. Can I have a test case that uses more than one methods of testing class or there should one test case per one method. What is good practice ?

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  • Could not get my answer reading this.
    – want2learn
    Commented Aug 3, 2015 at 4:22
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    it took you how long, 8-9 minutes to study all the answers over there, along with the links to further reading referred from these answers?
    – gnat
    Commented Aug 3, 2015 at 4:30
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    @gnat: it took me 30 seconds to see that the other question is not a duplicate - it is about the contents of tests, not about their structure.
    – Doc Brown
    Commented Aug 3, 2015 at 5:08

1 Answer 1

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Can I have a test case that uses more than one method of the tested class

Obviously yes, how will you otherwise test methods which need a specific initialization before? For example

  fooCalculator = new FooCalculator(someParameters);
  fooCalculator.SetOption1(valueForOption1);
  fooCalculator.SetOption2(valueForOption2);
  result = fooCalculator.Calc(); 
  Assert.AreEqual(expectedResultForTheseOptions,result);

If, however, your question is "Can I have a test case that tests more than one method", then the answer is "you should avoid that", because that will typically result in too large tests. See this former question for a detailed explanation.

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