Tester.java

package jetbrains.mps.tool.gentest.plugin;

/*Generated by MPS */

import org.jetbrains.mps.openapi.module.SModule;
import java.util.List;
import jetbrains.mps.internal.collections.runtime.ListSequence;
import java.util.ArrayList;
import org.apache.tools.ant.util.JavaEnvUtils;
import org.junit.Test;
import jetbrains.mps.tool.builder.unittest.UnitTestRunner;
import jetbrains.mps.internal.collections.runtime.IterableUtils;
import jetbrains.mps.internal.collections.runtime.Sequence;
import jetbrains.mps.util.PathManager;
import java.util.Set;
import jetbrains.mps.project.facets.JavaModuleOperations;
import java.util.Collections;

public class Tester implements ITestResource {
  private SModule module;
  private Iterable<String> testClasses;
  public Tester(SModule module, Iterable<String> testClasses) {
    this.module = module;
    this.testClasses = testClasses;
  }
  @Override
  public List<String> buildCommandLine() {
    List<String> cmdline = ListSequence.fromList(new ArrayList<String>());
    ListSequence.fromList(cmdline).addElement(JavaEnvUtils.getJreExecutable("java"));

    List<String> prependClasspath = ListSequence.fromList(new ArrayList<String>());
    ListSequence.fromList(prependClasspath).addElement(getResource(Test.class));
    ListSequence.fromList(prependClasspath).addElement(getResource(UnitTestRunner.class));

    ListSequence.fromList(cmdline).addElement("-classpath");
    ListSequence.fromList(cmdline).addElement(IterableUtils.join(ListSequence.fromList(prependClasspath).concat(Sequence.fromIterable(getModuleClasspath())), System.getProperty("path.separator")));

    ListSequence.fromList(cmdline).addElement(UnitTestRunner.class.getCanonicalName());

    ListSequence.fromList(cmdline).addElement("-w");
    for (String tc : testClasses) {
      ListSequence.fromList(cmdline).addElement("-c");
      ListSequence.fromList(cmdline).addElement(tc);
    }
    return cmdline;
  }
  private String getResource(Class<?> cls) {
    return PathManager.getResourceRoot(cls, "/" + cls.getName().replace('.', '/') + ".class");
  }
  private Iterable<String> getModuleClasspath() {
    return (Set<String>) JavaModuleOperations.collectExecuteClasspath(Collections.<SModule>singleton(module));
  }
  @Override
  public String describe() {
    return "Testing " + module.getModuleName();
  }
  @Override
  public SModule getModule() {
    return module;
  }
}