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.cassandra.sidecar.client;
  
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.ValueSource;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  import static org.assertj.core.api.Assertions.assertThatNullPointerException;
  
  /**
   * Abstract class that provides a set of base unit tests for the {@link SidecarInstance} interface.
   */
  public abstract class SidecarInstanceTest
  {
      protected abstract SidecarInstance newInstance(String hostname, int port);
  
      @ParameterizedTest
      @ValueSource(ints = { -1, 0, 65536, 100_000 })
      void failsWithInvalidPortNumber(int port)
      {
          assertThatExceptionOfType(IllegalArgumentException.class)
          .isThrownBy(() -> newInstance(null, port))
          .withMessageContaining("Invalid port number for the Sidecar service: " + port);
      }
  
      @Test
      void failsWithNullHostname()
      {
          assertThatNullPointerException()
          .isThrownBy(() -> newInstance(null, 8080))
          .withMessageContaining("The Sidecar hostname must be non-null");
      }
  
      @Test
      void testConstructorWithValidParameters()
      {
          SidecarInstance instance1 = newInstance("localhost", 8080);
          assertThat(instance1).isNotNull();
          assertThat(instance1.port()).isEqualTo(8080);
          assertThat(instance1.hostname()).isEqualTo("localhost");
  
          SidecarInstance instance2 = newInstance("127.0.0.1", 1234);
          assertThat(instance2).isNotNull();
          assertThat(instance2.port()).isEqualTo(1234);
          assertThat(instance2.hostname()).isEqualTo("127.0.0.1");
      }
  
      @Test
      void testEquality()
      {
          SidecarInstance instance1 = newInstance("localhost", 8080);
          SidecarInstance instance2 = newInstance("localhost", 8080);
          SidecarInstance instance3 = instance1;
  
          assertThat(instance1).isEqualTo(instance3);
          assertThat(instance1).isNotEqualTo(null);
          assertThat(instance1).isNotEqualTo("localhost:8080");
          assertThat(instance1).isEqualTo(instance2);
      }
  
      @Test
      void testHashCode()
      {
          SidecarInstance instance1 = newInstance("localhost", 8080);
          SidecarInstance instance2 = newInstance("localhost", 8080);
          SidecarInstance instance3 = newInstance("localhost", 80);
  
          assertThat(instance1.hashCode()).isEqualTo(instance2.hashCode());
          assertThat(instance1.hashCode()).isNotEqualTo(instance3.hashCode());
      }
  }
  