Common Code

run file

#!/bin/python3
import importlib.util
import sys


# Dynamically load modules we need
# Credits to https://stackoverflow.com/a/67692/6149867
# And for the explanation : http://www.blog.pythonlibrary.org/2016/05/27/python-201-an-intro-to-importlib/
def dynamically_load_module(module, path):
    spec = importlib.util.spec_from_file_location(module, path)
    mod = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(mod)
    return mod


#####################################
# Our import for common run file    #
#####################################
sys.path.append("/course/common")

runfile = dynamically_load_module("runfile", "/course/common/runfile.py")
runfile.main()

StudentTestRunner.java (Common Version)

package src;

import com.github.guillaumederval.javagrading.GradingListener;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;

import java.util.List;

public class StudentTestRunner {

    public static void main(String [] args) {

        JUnitCore runner = new JUnitCore();
        runner.addListener(new GradingListener());
        Result result = runner.run(InginiousTests.class);

        if(result.wasSuccessful()){
            System.exit(0);
        } else {
            determineProblem(result);
        }
    }

    /*
     * Makes the distinction between two different failure cases :
     *  - The student has a mistake in his/her code. (Sys exit 1)
     *  - The student used a forbidden instruction in his/her code. (Sys exit 2)
     */
    private static void determineProblem(Result result){
        boolean flag = false;

        if(result.getFailureCount() != 0) {
            List<Failure> failures = result.getFailures();

            for (Failure fail : failures) {
                flag |= fail.getMessage()!= null && fail.getMessage().contains("access denied");
            }
        }

        if(flag) {
            System.exit(2); // The student used a forbidden instruction
        } else {
            System.exit(1); // There's an error in your code etc etc...
        }
    }

}

StudentTestRunner.java (Coverage Version)

package src;

import org.junit.runner.JUnitCore;
import org.junit.runner.Result;

public class StudentTestRunner {

    public static void main(String[] args) {
        JUnitCore runner = new JUnitCore();
        Result result = runner.run(StudentTests.class);
    }

}

Template of InginiousTests

package src;

import com.github.guillaumederval.javagrading.Grade;
import com.github.guillaumederval.javagrading.GradeFeedback;
import com.github.guillaumederval.javagrading.GradeFeedbacks;
import com.github.guillaumederval.javagrading.GradingRunner;

import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import templates.*;

import java.util.*;

// TODO Add your additional imports

@RunWith(GradingRunner.class) // classic "jail runner" from Guillaume's library
public class InginiousTests {

    @Test
    @Grade
    @GradeFeedbacks({@GradeFeedback(message = "", onSuccess = true), @GradeFeedback(message = "MethodName() didn't work\n", onFail = true, onTimeout = true)})
    public void test1() {
        // For example ....
        assertEquals(expected, result);
    }

    // TODO Add more tests
}