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.bookkeeper.common.net;
  
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.net.URI;
  import org.junit.Test;
  
  /**
   * Unit test {@link ServiceURI}.
   */
  public class ServiceURITest {
  
      private static void assertServiceUri(
          String serviceUri,
          String expectedServiceName,
          String[] expectedServiceInfo,
          String expectedServiceUser,
          String[] expectedServiceHosts,
          String expectedServicePath) {
  
          ServiceURI serviceURI = ServiceURI.create(serviceUri);
  
          assertEquals(expectedServiceName, serviceURI.getServiceName());
          assertArrayEquals(expectedServiceInfo, serviceURI.getServiceInfos());
          assertEquals(expectedServiceUser, serviceURI.getServiceUser());
          assertArrayEquals(expectedServiceHosts, serviceURI.getServiceHosts());
          assertEquals(expectedServicePath, serviceURI.getServicePath());
      }
  
      @Test
      public void testInvalidServiceUris() {
          String[] uris = new String[] {
              "://localhost:2181/path/to/namespace",          // missing scheme
              "bk:///path/to/namespace",                      // missing authority
              "bk://localhost:2181:3181/path/to/namespace",   // invalid hostname pair
              "bk://localhost:xyz/path/to/namespace",         // invalid port
              "bk://localhost:-2181/path/to/namespace",       // negative port
          };
  
          for (String uri : uris) {
              testInvalidServiceUri(uri);
          }
      }
  
      @Test(expected = NullPointerException.class)
      public void testNullServiceUriString() {
          ServiceURI.create((String) null);
      }
  
      @Test(expected = NullPointerException.class)
      public void testNullServiceUriInstance() {
          ServiceURI.create((URI) null);
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void testEmptyServiceUriString() {
          ServiceURI.create("");
      }
  
      private void testInvalidServiceUri(String serviceUri) {
          try {
              ServiceURI.create(serviceUri);
              fail("Should fail to parse service uri : " + serviceUri);
          } catch (IllegalArgumentException iae) {
              // expected
          }
      }
  
      @Test
      public void testMissingServiceName() {
          String serviceUri = "//localhost:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              null, new String[0], null, new String[] { "localhost:2181" }, "/path/to/namespace");
      }
  
      @Test
      public void testEmptyPath() {
          String serviceUri = "bk://localhost:2181";
          assertServiceUri(
              serviceUri,
              "bk", new String[0], null, new String[] { "localhost:2181" }, "");
      }
  
      @Test
      public void testRootPath() {
          String serviceUri = "bk://localhost:2181/";
          assertServiceUri(
              serviceUri,
              "bk", new String[0], null, new String[] { "localhost:2181" }, "/");
      }
  
      @Test
      public void testUserInfo() {
          String serviceUri = "bk://bookkeeper@localhost:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              "bookkeeper",
              new String[] { "localhost:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testMultipleHostsSemiColon() {
          String serviceUri = "bk://host1:2181;host2:2181;host3:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              null,
              new String[] { "host1:2181", "host2:2181", "host3:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testMultipleHostsComma() {
          String serviceUri = "bk://host1:2181,host2:2181,host3:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              null,
              new String[] { "host1:2181", "host2:2181", "host3:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testMultipleHostsWithoutPorts() {
          String serviceUri = "bk://host1,host2,host3/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              null,
              new String[] { "host1:4181", "host2:4181", "host3:4181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testMultipleHostsMixedPorts() {
          String serviceUri = "bk://host1:3181,host2,host3:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              null,
              new String[] { "host1:3181", "host2:4181", "host3:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testMultipleHostsMixed() {
          String serviceUri = "bk://host1:2181,host2,host3:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              null,
              new String[] { "host1:2181", "host2:4181", "host3:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testUserInfoWithMultipleHosts() {
          String serviceUri = "bk://bookkeeper@host1:2181;host2:2181;host3:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[0],
              "bookkeeper",
              new String[] { "host1:2181", "host2:2181", "host3:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testServiceInfoPlus() {
          String serviceUri = "bk+ssl://host:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk",
              new String[] { "ssl" },
              null,
              new String[] { "host:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testServiceInfoMinus() {
          String serviceUri = "bk-ssl://host:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "bk-ssl",
              new String[0],
              null,
              new String[] { "host:2181" },
              "/path/to/namespace");
      }
  
      @Test
      public void testServiceInfoDlogMinus() {
          String serviceUri = "distributedlog-bk://host:2181/path/to/namespace";
          assertServiceUri(
              serviceUri,
              "distributedlog",
              new String[] { "bk" },
              null,
              new String[] { "host:2181" },
              "/path/to/namespace");
      }
  
  }
  