ExecuteTestUtil.java

package de.hftstuttgart.dtabackend.utils;

import com.fasterxml.jackson.core.exc.StreamReadException;
import com.fasterxml.jackson.databind.DatabindException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.dockerjava.api.model.Bind;
import com.github.dockerjava.api.model.Volume;

import de.hftstuttgart.dtabackend.models.ExerciseCompetencyProfile;
import de.hftstuttgart.dtabackend.models.ICompetencyProfile;
import de.hftstuttgart.dtabackend.models.Recommendation;
import de.hftstuttgart.dtabackend.models.ResultSummary;
import de.hftstuttgart.dtabackend.models.TestCompetencyProfile;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

import java.io.*;
import java.net.MalformedURLException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

@Component
public class ExecuteTestUtil  {
    private static final Logger LOG = LogManager.getLogger(ExecuteTestUtil.class);

    private final DockerUtil dockerUtil;
    private final String assignmentBasePath;
    private final Path testTmpPathHost;

    public ExecuteTestUtil(
        Environment env,
        DockerUtil dockerUtil
    ) {
        this.dockerUtil = dockerUtil;

        // set base path for assignments to be stored
        Path p = Paths.get(
            env.getProperty("data.dir"),
            env.getProperty("data.dir.test.folder.name"));
        this.assignmentBasePath = p.toAbsolutePath().toString();

        // set path of temporary directory on host _and_ inside our container, _must_ be identical 
        this.testTmpPathHost = Paths.get(env.getProperty("host.tests.tmp.dir"));
    }

    public ResultSummary runTests(String assignmentId, Path workDirectory) throws IOException, InterruptedException {

        // define paths for the test, the submission and where the result is to be expected afterwards
        Path testPath   = Paths.get(workDirectory.toAbsolutePath().toString(), "/test");
        Path srcPath    = Paths.get(workDirectory.toAbsolutePath().toString(), "/src");
        Path resultPath = Paths.get(workDirectory.toAbsolutePath().toString(), "/result");

        // clone stored test to tmpdir
        LOG.debug("copying pre-downloaded unitttest repo");
        FileUtil.copyFolder(
            Paths.get(assignmentBasePath, assignmentId),
            testPath);

		LOG.debug("copying exercise manifest from: %s in testPath: %s",