content: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * Licensed 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 androidx.test.internal.runner.junit3;
  
  import static androidx.test.internal.util.AndroidRunnerBuilderUtil.hasJUnit3TestMethod;
  import static androidx.test.internal.util.AndroidRunnerBuilderUtil.isJUnit3Test;
  
  import android.util.Log;
  import androidx.test.internal.runner.EmptyTestRunner;
  import androidx.test.internal.util.AndroidRunnerParams;
  import junit.framework.TestCase;
  import org.junit.internal.builders.JUnit3Builder;
  import org.junit.runner.Runner;
  import org.junit.runners.model.RunnerBuilder;
  
  /**
   * A {@link RunnerBuilder} that will build customized runners needed for specialized Android {@link
   * TestCase}s.
   */
  public class AndroidJUnit3Builder extends JUnit3Builder {
  
    private static final String TAG = "AndroidJUnit3Builder";
    private final long perTestTimeout;
  
    /**
     * @param runnerParams {@link AndroidRunnerParams} that stores common runner parameters
     * @deprecated use {@link AndroidJUnit3Builder(long)} instead
     */
    @Deprecated
    public AndroidJUnit3Builder(AndroidRunnerParams runnerParams) {
      this(runnerParams.getPerTestTimeout());
    }
  
    /**
     * @param perTestTimeout milliseconds timeout value applied to each test where 0 means no timeout
     */
    public AndroidJUnit3Builder(long perTestTimeout) {
      this.perTestTimeout = perTestTimeout;
    }
  
    @Override
    public Runner runnerForClass(Class<?> testClass) throws Throwable {
      try {
        if (isJUnit3Test(testClass)) {
          if (!hasJUnit3TestMethod(testClass)) {
            // ideally we would just let JUnit38ClassRunner handle this case, but for historical
            // reasons there was special handling when classpath scanning for this case
            return new EmptyTestRunner(testClass);
          }
          return new JUnit38ClassRunner(new AndroidTestSuite(testClass, perTestTimeout));
        }
      } catch (Throwable e) {
        // log error message including stack trace before throwing to help with debugging.
        Log.e(TAG, "Error constructing runner", e);
        throw e;
      }
      return null;
    }
  }
  