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   * 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.context;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import com.datastax.oss.driver.api.core.Version;
  import com.datastax.oss.driver.api.core.config.DefaultDriverOption;
  import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
  import com.datastax.oss.driver.api.core.session.Session;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
  import com.datastax.oss.protocol.internal.request.Startup;
  import com.tngtech.java.junit.dataprovider.DataProvider;
  import com.tngtech.java.junit.dataprovider.DataProviderRunner;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  @RunWith(DataProviderRunner.class)
  public class StartupOptionsBuilderTest {
  
    private DefaultDriverContext buildMockedContext(String compression) {
  
      DriverExecutionProfile defaultProfile = mock(DriverExecutionProfile.class);
      when(defaultProfile.getString(DefaultDriverOption.PROTOCOL_COMPRESSION, "none"))
          .thenReturn(compression);
      when(defaultProfile.getName()).thenReturn(DriverExecutionProfile.DEFAULT_NAME);
      return MockedDriverContextFactory.defaultDriverContext(defaultProfile);
    }
  
    private void assertDefaultStartupOptions(Startup startup) {
  
      assertThat(startup.options).containsEntry(Startup.CQL_VERSION_KEY, "3.0.0");
      assertThat(startup.options)
          .containsEntry(
              StartupOptionsBuilder.DRIVER_NAME_KEY, Session.OSS_DRIVER_COORDINATES.getName());
      assertThat(startup.options).containsKey(StartupOptionsBuilder.DRIVER_VERSION_KEY);
      Version version = Version.parse(startup.options.get(StartupOptionsBuilder.DRIVER_VERSION_KEY));
      assertThat(version).isEqualByComparingTo(Session.OSS_DRIVER_COORDINATES.getVersion());
    }
  
    @Test
    public void should_build_startup_options_with_no_compression_if_undefined() {
  
      DefaultDriverContext ctx = MockedDriverContextFactory.defaultDriverContext();
      Startup startup = new Startup(ctx.getStartupOptions());
      assertThat(startup.options).doesNotContainKey(Startup.COMPRESSION_KEY);
      assertDefaultStartupOptions(startup);
    }
  
    @Test
    public void should_build_startup_options_with_no_compression_if_defined_as_none() {
  
      DefaultDriverContext ctx = buildMockedContext("none");
      Startup startup = new Startup(ctx.getStartupOptions());
      assertThat(startup.options).doesNotContainKey(Startup.COMPRESSION_KEY);
      assertDefaultStartupOptions(startup);
    }
  
    @Test
    @DataProvider({"lz4", "snappy"})
    public void should_build_startup_options(String compression) {
  
      DefaultDriverContext ctx = buildMockedContext(compression);
      Startup startup = new Startup(ctx.getStartupOptions());
      // assert the compression option is present
      assertThat(startup.options).containsEntry(Startup.COMPRESSION_KEY, compression);
      assertDefaultStartupOptions(startup);
    }
  
    @Test
    public void should_fail_to_build_startup_options_with_invalid_compression() {
  
      assertThatIllegalArgumentException()
          .isThrownBy(
              () -> {
                DefaultDriverContext ctx = buildMockedContext("foobar");
                new Startup(ctx.getStartupOptions());
              });
    }
  
    @Test
    public void should_include_all_local_dcs_in_startup_message() {
  
      DefaultDriverContext ctx =
          MockedDriverContextFactory.defaultDriverContext(
              MockedDriverContextFactory.defaultProfile("us-west-2"),
              MockedDriverContextFactory.createProfile("oltp", "us-east-2"),
              MockedDriverContextFactory.createProfile("olap", "eu-central-1"));
      Startup startup = new Startup(ctx.getStartupOptions());
      assertThat(startup.options)
          .containsEntry(
              StartupOptionsBuilder.DRIVER_BAGGAGE,
              "{\"default\":{\"DefaultLoadBalancingPolicy\":{\"localDc\":\"us-west-2\"}},"
                  + "\"oltp\":{\"DefaultLoadBalancingPolicy\":{\"localDc\":\"us-east-2\"}},"
                  + "\"olap\":{\"DefaultLoadBalancingPolicy\":{\"localDc\":\"eu-central-1\"}}}");
    }
  
    @Test
    public void should_include_all_lbp_details_in_startup_message() {
  
      DriverExecutionProfile defaultProfile = MockedDriverContextFactory.defaultProfile("dc1");
      DriverExecutionProfile oltpProfile = MockedDriverContextFactory.createProfile("oltp", "dc1");
      MockedDriverContextFactory.allowRemoteDcConnectivity(
          oltpProfile, 2, true, ImmutableList.of("dc2", "dc3"));
      DefaultDriverContext ctx =
          MockedDriverContextFactory.defaultDriverContext(defaultProfile, oltpProfile);
  
      Startup startup = new Startup(ctx.getStartupOptions());
  
      assertThat(startup.options)
          .containsEntry(
              StartupOptionsBuilder.DRIVER_BAGGAGE,
              "{\"default\":{\"DefaultLoadBalancingPolicy\":{\"localDc\":\"dc1\"}},"
                  + "\"oltp\":{\"DefaultLoadBalancingPolicy\":{"
                  + "\"localDc\":\"dc1\","
                  + "\"preferredRemoteDcs\":[\"dc2\",\"dc3\"],"
                  + "\"allowDcFailoverForLocalCl\":true,"
                  + "\"maxNodesPerRemoteDc\":2}}}");
    }
  }
  