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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas;
  
  import org.apache.atlas.utils.AtlasConfigurationUtil;
  import org.apache.commons.configuration.Configuration;
  import org.testng.annotations.Test;
  
  import java.io.InputStream;
  import java.util.AbstractMap;
  
  import static org.testng.Assert.assertEquals;
  import static org.testng.Assert.assertNotEquals;
  import static org.testng.Assert.assertNotNull;
  import static org.testng.Assert.fail;
  
  /**
   * Unit test for {@link ApplicationProperties}
   *
   */
  public class ApplicationPropertiesTest {
      @Test
      public void testGetFileAsInputStream() throws Exception {
          Configuration props = ApplicationProperties.get("test.properties");
          InputStream   inStr = null;
  
          // configured file as class loader resource
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "jaas.properties.file", null);
              assertNotNull(inStr);
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
  
          // configured file from file system path
          props.setProperty("jaas.properties.file", "src/test/resources/atlas-jaas.properties");
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "jaas.properties.file", null);
  
              assertNotNull(inStr);
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
  
          // default file as class loader resource
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "property.not.specified.in.config", "atlas-jaas.properties");
  
              assertNotNull(inStr);
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
  
          // default file relative to working directory
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "property.not.specified.in.config", "src/test/resources/atlas-jaas.properties");
  
              assertNotNull(inStr);
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
  
          // default file relative to atlas configuration directory
          String originalConfDirSetting = System.setProperty(ApplicationProperties.ATLAS_CONFIGURATION_DIRECTORY_PROPERTY, "src/test/resources");
  
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "property.not.specified.in.config", "atlas-jaas.properties");
  
              assertNotNull(inStr);
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
              if (originalConfDirSetting != null) {
                  System.setProperty(ApplicationProperties.ATLAS_CONFIGURATION_DIRECTORY_PROPERTY, originalConfDirSetting);
              } else {
                  System.clearProperty(ApplicationProperties.ATLAS_CONFIGURATION_DIRECTORY_PROPERTY);
              }
          }
  
          // non-existent property and no default file
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "property.not.specified.in.config", null);
  
              fail("Expected " + AtlasException.class.getSimpleName() + " but none thrown");
          } catch (AtlasException e) {
              // good
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
  
          // configured file not found in file system or classpath
          props.setProperty("jaas.properties.file", "does_not_exist.txt");
  
          try {
              inStr = ApplicationProperties.getFileAsInputStream(props, "jaas.properties.file", null);
  
              fail("Expected " + AtlasException.class.getSimpleName() + " but none thrown");
          } catch (AtlasException e) {
              // good
          } finally {
              if (inStr != null) {
                  inStr.close();
              }
          }
      }
  
      @Test
      public void verifySetDefault() throws AtlasException {
          Configuration         props  = ApplicationProperties.get("test.properties");
          ApplicationProperties aProps = (ApplicationProperties) props;
  
          String                                  defaultValue = "someValue";
          String                                  someKey      = "someKey";
          AbstractMap.SimpleEntry<String, String> defaultKV    = new AbstractMap.SimpleEntry<>(someKey, defaultValue);
  
          aProps.setDefault(defaultKV, "newValue");
  
          assertNotEquals(props.getString(someKey), defaultValue);
          aProps.setDefault(defaultKV, "");
          assertEquals(props.getString(someKey), defaultValue);
      }
  
      @Test
      public void verifyGetLatesttString() throws AtlasException {
          String        key       = "atlas.metadata.namespace";
          String        oldVal    = "nm-sp-1";
          String        newVal    = "nm-sp-2";
          Configuration atlasConf = ApplicationProperties.get("test.properties");
  
          assertEquals(atlasConf.getString(key), oldVal);
          assertEquals(AtlasConfigurationUtil.getRecentString(atlasConf, key, oldVal), newVal);
          assertEquals(AtlasConfigurationUtil.getRecentString(atlasConf, "garbage", oldVal), oldVal);
      }
  }
  