/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package javax.jdo.util;

import java.io.PrintStream;
import junit.framework.AssertionFailedError;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestResult;
import junit.textui.ResultPrinter;

/**
 * Default result printer implementation for running tests in batch mode.
 *
 * @author Michael Bouschen
 */
public class BatchResultPrinter extends ResultPrinter {
  /** */
  public BatchResultPrinter(PrintStream writer) {
    super(writer);
  }

  /** Called in case of a test error. */
  public void addError(Test test, Throwable t) {
    getWriter().print("   ERROR");
  }

  /** Called in case of a test failure. */
  public void addFailure(Test test, AssertionFailedError t) {
    getWriter().print("   FAILURE");
  }

  /** Called when a test case is finished. */
  public void endTest(Test test) {
    getWriter().println();
  }

  /**
   * Called when a test case is started.
   *
   * @param test test case
   */
  public void startTest(Test test) {
    String testName;
    if (test instanceof TestCase) {
      testName = getClassBaseName(test) + "." + ((TestCase) test).getName();
    } else {
      testName = test.toString();
    }
    getWriter().print("RUN " + testName);
  }

  /**
   * @param runTime time
   */
  protected void printHeader(long runTime) {
    getWriter().println("Time: " + elapsedTimeAsString(runTime));
  }

  /**
   * @param result the result
   */
  protected void printFooter(TestResult result) {
    if (result.wasSuccessful()) {
      getWriter().print("OK");
      getWriter()
          .println(" (" + result.runCount() + " test" + (result.runCount() == 1 ? "" : "s") + ")");

    } else {
      getWriter().println("FAILURES!!!");
      getWriter()
          .println(
              "Tests run: "
                  + result.runCount()
                  + ",  Failures: "
                  + result.failureCount()
                  + ",  Errors: "
                  + result.errorCount());
    }
  }

  // helper method

  /**
   * @return Name of the class of the given object without package prefix
   */
  private String getClassBaseName(Object obj) {
    if (obj == null) return null;
    String className = obj.getClass().getName();
    int index = className.lastIndexOf('.');
    if (index != -1) {
      className = className.substring(index + 1);
    }
    return className;
  }
}