CodeRunner

Thanks for your answer and "Frohes Fest" (Happy Christmas)! I have build a new Question for my students and modified the template. Its still the same, but added some print commands for a better debugging.

May I found probably my error. I use the python script found in the forum:

import sys, os, shutil, subprocess
__student_answer__ = """{{ STUDENT_ANSWER | e('py') }}"""
# Make package directory, put support files into it
os.mkdir("{{ QUESTION.parameters.package }}")
[shutil.move(f, "{{ QUESTION.parameters.package }}") for f in os.listdir() if f.endswith(".java")]
# Put student answer class into package directory
with open("{{ QUESTION.parameters.package }}/{{ QUESTION.parameters.class}}.java", "w") as f:
    print(__student_answer__, file=f)

# Build test class in package directory too
print('Testcode : {{ TEST.testcode }}')
tester = """package {{ QUESTION.parameters.package }};
public class __Tester__ {
    public static void main(String[] args) {
        //Hello
        //Test: {{ TEST.testcode }}
    }
}
"""
with open("{{ QUESTION.parameters.package }}/__Tester__.java", "w") as f:
    print(tester, file=f)
# Compile and run
if (subprocess.call(["javac", "{{ QUESTION.parameters.package }}/__Tester__.java"]) != 0 or
   subprocess.call(["java", "{{ QUESTION.parameters.package }}/__Tester__"]) != 0):
    print("** Further testing aborted **", file=sys.stderr)

and in my python environment everything works fine. The problem seams to be the {{ TEST.testcode }} for the generated __Tester__ class. {{ TEST.testcode }} is empty and I have no idea to fix this circumstance. The debug message from my student account is:

import sys, os, shutil, subprocess
__student_answer__ = """"""
# Make package directory, put support files into it
os.mkdir("Bsp211")
[shutil.move(f, "Bsp211") for f in os.listdir() if f.endswith(".java")]
# Put student answer class into package directory
with open("Bsp211/Bsp211.java", "w") as f:
    print(__student_answer__, file=f)

# Build test class in package directory too
print('Testcode : ')
tester = """package Bsp211;
public class __Tester__ {
    public static void main(String[] args) {
        //Hello
        //Test: 
    }
}
"""
with open("Bsp211/__Tester__.java", "w") as f:
    print(tester, file=f)
# Compile and run
if (subprocess.call(["javac", "Bsp211/__Tester__.java"]) != 0 or
   subprocess.call(["java", "Bsp211/__Tester__"]) != 0):
    print("** Further testing aborted **", file=sys.stderr)

and the added test should be:

NotenUi ui = new NotenUi();
ui.start();

Do you have another hint for me? Attached my export. Meanwhile: Here in Austria we have a lot of snow and a hard lockdown :-) - Hope you are fine and on this way: Happy New Year ... Thanks - schtl