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 com.datastax.oss.driver.internal.core.metadata;
  
  import static com.datastax.oss.driver.Assertions.assertThat;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import com.datastax.oss.driver.internal.core.adminrequest.AdminRow;
  import com.tngtech.java.junit.dataprovider.DataProvider;
  import com.tngtech.java.junit.dataprovider.DataProviderRunner;
  import com.tngtech.java.junit.dataprovider.UseDataProvider;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  @RunWith(DataProviderRunner.class)
  public class PeerRowValidatorTest {
  
    @DataProvider
    public static Object[][] nullColumnsV1() {
      return new Object[][] {
        {"rpc_address"}, {"host_id"}, {"data_center"}, {"rack"}, {"tokens"}, {"schema_version"}
      };
    }
  
    @DataProvider
    public static Object[][] nullColumnsV2() {
      return new Object[][] {
        {"native_address"},
        {"native_port"},
        {"host_id"},
        {"data_center"},
        {"rack"},
        {"tokens"},
        {"schema_version"}
      };
    }
  
    @Test
    @UseDataProvider("nullColumnsV1")
    public void should_fail_for_invalid_peer_v1(String nullColumn) {
      assertThat(PeerRowValidator.isValid(mockRowV1(nullColumn))).isFalse();
    }
  
    @Test
    @UseDataProvider("nullColumnsV2")
    public void should_fail_for_invalid_peer_v2(String nullColumn) {
      assertThat(PeerRowValidator.isValid(mockRowV2(nullColumn))).isFalse();
    }
  
    @Test
    public void should_succeed_for_valid_peer_v1() {
      AdminRow peerRow = mock(AdminRow.class);
      when(peerRow.isNull("host_id")).thenReturn(false);
      when(peerRow.isNull("rpc_address")).thenReturn(false);
      when(peerRow.isNull("native_address")).thenReturn(true);
      when(peerRow.isNull("native_port")).thenReturn(true);
      when(peerRow.isNull("data_center")).thenReturn(false);
      when(peerRow.isNull("rack")).thenReturn(false);
      when(peerRow.isNull("tokens")).thenReturn(false);
      when(peerRow.isNull("schema_version")).thenReturn(false);
  
      assertThat(PeerRowValidator.isValid(peerRow)).isTrue();
    }
  
    @Test
    public void should_succeed_for_valid_peer_v2() {
      AdminRow peerRow = mock(AdminRow.class);
      when(peerRow.isNull("host_id")).thenReturn(false);
      when(peerRow.isNull("rpc_address")).thenReturn(true);
      when(peerRow.isNull("native_address")).thenReturn(false);
      when(peerRow.isNull("native_port")).thenReturn(false);
      when(peerRow.isNull("data_center")).thenReturn(false);
      when(peerRow.isNull("rack")).thenReturn(false);
      when(peerRow.isNull("tokens")).thenReturn(false);
      when(peerRow.isNull("schema_version")).thenReturn(false);
  
      assertThat(PeerRowValidator.isValid(peerRow)).isTrue();
    }
  
    private AdminRow mockRowV1(String nullColumn) {
      AdminRow peerRow = mock(AdminRow.class);
      when(peerRow.isNull("host_id")).thenReturn(nullColumn.equals("host_id"));
      when(peerRow.isNull("rpc_address")).thenReturn(nullColumn.equals("rpc_address"));
      when(peerRow.isNull("native_address")).thenReturn(true);
      when(peerRow.isNull("native_port")).thenReturn(true);
      when(peerRow.isNull("data_center")).thenReturn(nullColumn.equals("data_center"));
      when(peerRow.isNull("rack")).thenReturn(nullColumn.equals("rack"));
      when(peerRow.isNull("tokens")).thenReturn(nullColumn.equals("tokens"));
      when(peerRow.isNull("schema_version")).thenReturn(nullColumn.equals("schema_version"));
  
      return peerRow;
    }
  
    private AdminRow mockRowV2(String nullColumn) {
      AdminRow peerRow = mock(AdminRow.class);
      when(peerRow.isNull("host_id")).thenReturn(nullColumn.equals("host_id"));
      when(peerRow.isNull("native_address")).thenReturn(nullColumn.equals("native_address"));
      when(peerRow.isNull("native_port")).thenReturn(nullColumn.equals("native_port"));
      when(peerRow.isNull("rpc_address")).thenReturn(true);
      when(peerRow.isNull("data_center")).thenReturn(nullColumn.equals("data_center"));
      when(peerRow.isNull("rack")).thenReturn(nullColumn.equals("rack"));
      when(peerRow.isNull("tokens")).thenReturn(nullColumn.equals("tokens"));
      when(peerRow.isNull("schema_version")).thenReturn(nullColumn.equals("schema_version"));
  
      return peerRow;
    }
  }
  