content: /*
   * 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 org.apache.arrow.vector.test.util;
  
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.util.Objects;
  
  /** Utility methods and constants for working with the arrow-testing repo. */
  public final class ArrowTestDataUtil {
    public static final String TEST_DATA_ENV_VAR = "ARROW_TEST_DATA";
    public static final String TEST_DATA_PROPERTY = "arrow.test.dataRoot";
  
    public static Path getTestDataRoot() {
      String path = System.getenv(TEST_DATA_ENV_VAR);
      if (path == null) {
        path = System.getProperty(TEST_DATA_PROPERTY);
      }
      return Paths.get(
          Objects.requireNonNull(
              path,
              String.format(
                  "Could not find test data path. Set the environment variable %s or the JVM property %s.",
                  TEST_DATA_ENV_VAR, TEST_DATA_PROPERTY)));
    }
  
    private ArrowTestDataUtil() {}
  }
  