How run junit with parametrized constructor

Question

I have to run junit test from command line and one of the guy in the team created junit classes like below:

public Test extends TestCore
{
   String some;

   public Test(String some)
   {
      this.some = some;
   }
//some test here
}

this work from the eclipse but doesn't from command line. The result of execution this kind of file gave me error like below:

Test class should have exactly one public zero-argument constructor.

Anyone could help me?

Cheers Jaroslaw.

You can have a look here stackoverflow.com/questions/1451496/… — user425367
– user425367, Commented Sep 7, 2011 at 13:46
If you are using BlockJUnit4ClassRunner (in any form) to run your tests, then you will need a no-arg constructor for your test class; Eclipse doesn't use this TestRunner in its JUnit4 test runner. You might want to re-look at why you need a constructor with arguments for your test classes in the first place. — Vineet Reynolds
– Vineet Reynolds, Commented Sep 7, 2011 at 14:19

DaveFar · Accepted Answer · 2011-09-07 14:38:59Z

2

Eclipse uses a different testrunner. Maybe the parameterized constructors are caused by TestCore being a parameterized test, e.g. like this:

@RunWith(Parameterized.class)
public class TestCore {
  String someThatWillBeHidden;

  public TestCore(String some) {
    this.someThatWillBeHidden = some;
  }

  @Parameters
  public static List<Object[]> data() {
    Object[][] data = new Object[][] { {"Hello"}, {" "}, {"world"}}; 
    return Arrays.asList(data);
  }

//some test here

}

So which version of junit are you using?

answered Sep 7, 2011 at 14:38

DaveFar

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