Static method call from JUnit test without specifying class

Question

Is it possible to call a static method from a junit test without specifying it's class?

The following code works:

package lightsOut;

import static org.junit.Assert.*;
import org.junit.Test;
import lightsOut.LightsOutModel;

public class LightsOutModelTest {

    @Test
    public void testLightsOutModel1(){
        assertTrue(LightsOutModel.checkWin()); // Note here
    }

}

But when I remove the class from the following line it shows an error.

        assertTrue(checkWin()); // Note here

The error is:
The method checkWin() is undefined for the type LightsOutModelTest

Do I always have to specify the class on the static method call? Isn't there a way to import all the methods from the class because the way I tried to do it doesn't seem to work?

Did you try it? Also your answer is in that link. [stackoverflow.com/questions/21105403/… — Thanh Duy Ngo
– Thanh Duy Ngo, Commented Nov 4, 2015 at 6:08
import static lightsOut.LightsOutModel.checkWin;. The interesting thing is that your code already does this. That's why you don't need to specify the class to call assertTrue. — ajb
– ajb, Commented Nov 4, 2015 at 6:09
@ajb You mean the code is already doing this for the JUnit stuff :-) — Tim Biegeleisen
– Tim Biegeleisen, Commented Nov 4, 2015 at 6:10

Prasad Kharkar · Accepted Answer · 2015-11-04 06:13:15Z

2

You need to use a static import of the method:

import static lightsOut.LightsOutModel.checkWin;

Once you import, you can directly use them,

checkWin();

Here is the official reference

edited Nov 4, 2015 at 6:13

answered Nov 4, 2015 at 6:08

Prasad Kharkar

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