Test GPG signing

custom-graders/DemoCGrader/autograder/Dockerfile

@@ -9,20 +9,16 @@ RUN \
 
 # Make directories for the submissions and grader/test programs
 RUN mkdir -p /grader/tests
-RUN mkdir -p /shared/submission
 
 # Copy the grader script into the Docker image
 COPY grader.py /grader/grader.py
 
 # Copy the C source code for the tests into the Docker image
-COPY tests/* /grader/tests/
+COPY tests/ /grader/tests/
 
 # Set grader directory to have read/write/execute permissions so we can copy in
 # submissions, compile them, and run them
 RUN chmod a+rwx -R /grader/
 
 # Setup the command that will be invoked when your docker image is run.
-ENTRYPOINT ["grader/grader.py"]
-
-# For debugging (interactive terminal): comment out above and use empty entrypoint
-#ENTRYPOINT []
+ENTRYPOINT ["grader/grader.py"]

custom-graders/DemoCGrader/autograder/grader.py

@@ -16,7 +16,9 @@
 COMPILER_TIMEOUT = 2.0          # How long to wait for the compiler to finish (seconds)
 RUN_TIMEOUT = 2.0               # How long to wait for the test program to run (seconds)
 
-# Define the test cases and each associated project directory and file
+# Define the test cases and each associated project directory and file. Note
+# that the script will look for any file with *.c in the /shared/submission
+# folder, copy it to "project_dir," and rename it to "submission_file."
 TEST_CASES = {
                 "power": {
                     "partId": "sN0bw",
@@ -62,12 +64,13 @@ def main(partId):
         return
 
     # Check to make sure that the student submitted a .c file
+    submitted_file = None
     for file in os.listdir(SUBMISSION_SRC):
         if file.endswith(".c"):
             submitted_file = file
-        else:
-            send_feedback(0.0, "Your file must end with a .c extension.")
-            return
+    if submitted_file == None:
+        send_feedback(0.0, "Your file must end with a .c extension.")
+        return
     submitted_file_path = os.path.join(SUBMISSION_SRC, submitted_file)
 
     # Copy the submitted file to the project folder (has executable permissions)