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.service.accord.serializers;
  
  import java.io.IOException;
  import java.util.Arrays;
  
  import org.junit.Test;
  
  import accord.api.RoutingKey;
  import accord.primitives.Ballot;
  import accord.primitives.Deps;
  import accord.primitives.Known;
  import accord.primitives.LatestDeps;
  import accord.primitives.Txn;
  import accord.utils.AccordGens;
  import accord.utils.Gen;
  import accord.utils.Gens;
  import accord.utils.RandomSource;
  import accord.utils.RandomTestRunner;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.dht.IPartitioner;
  import org.apache.cassandra.dht.Token;
  import org.apache.cassandra.io.Serializers;
  import org.apache.cassandra.io.util.DataOutputBuffer;
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.service.accord.api.TokenKey;
  import org.apache.cassandra.utils.AccordGenerators;
  import org.apache.cassandra.utils.CassandraGenerators;
  
  import static accord.primitives.Routable.Domain.Key;
  import static accord.primitives.Routable.Domain.Range;
  import static org.apache.cassandra.utils.AccordGenerators.fromQT;
  
  public class LatestDepsSerializerTest
  {
      {
          DatabaseDescriptor.toolInitialization();
      }
  
      @Test
      public void emptySerializerTest() throws Throwable
      {
          DataOutputBuffer buf = new DataOutputBuffer();
          Serializers.testSerde(buf, LatestDepsSerializers.latestDeps, LatestDeps.EMPTY);
      }
  
      @Test
      public void testN()
      {
          for (int i = 0 ; i < 10000 ; ++i)
          {
              Gen<IPartitioner> partitioners = AccordGenerators.partitioner();
              RandomTestRunner.test().check(rs -> {
                  try
                  {
                      testOne(partitioners.next(rs), rs);
                  }
                  catch (IOException e)
                  {
                      throw new AssertionError(e);
                  }
              });
          }
      }
  
      private void testOne(IPartitioner partitioner, RandomSource rs) throws IOException
      {
          DatabaseDescriptor.setPartitionerUnsafe(partitioner);
          TableId tableId = fromQT(CassandraGenerators.TABLE_ID_GEN).next(rs);
          Gen<Token> tokens = fromQT(CassandraGenerators.token(partitioner));
          Gen<TokenKey> routingKeys = AccordGenerators.routingKeyGen(ignore -> tableId, tokens, partitioner);
          Gen<Deps> deps = AccordGens.deps(AccordGens.keyDeps(routingKeys, AccordGens.txnIds(Gens.pick(Txn.Kind.values()), ignore -> Key)),
                                           AccordGens.rangeDeps(AccordGenerators.range(partitioner, ignore -> tableId), AccordGens.txnIds(Gens.pick(Txn.Kind.values()), ignore -> Range)));
          Gen<Known.KnownDeps> knownDeps = Gens.pick(Known.KnownDeps.values());
          Gen<Ballot> ballots = AccordGens.ballot();
          int size = 1 + rs.nextInt(7);
          RoutingKey[] starts = new RoutingKey[size + 1];
          LatestDeps.LatestEntry[] entries = new LatestDeps.LatestEntry[size];
          for (int i = 0 ; i <= size ; ++i)
              starts[i] = routingKeys.next(rs);
          Arrays.sort(starts);
          for (int i = 0 ; i < size ; ++i)
          {
              if (rs.nextBoolean()) continue;
              entries[i] = new LatestDeps.LatestEntry(knownDeps.next(rs),
                                                      rs.nextBoolean() ? rs.nextBoolean() ? Ballot.ZERO : Ballot.MAX : ballots.next(rs),
                                                      rs.nextBoolean() ? null : deps.next(rs),
                                                      rs.nextBoolean() ? null : deps.next(rs));
          }
          LatestDeps latestDeps = LatestDeps.SerializerSupport.create(true, starts, entries);
          DataOutputBuffer buf = new DataOutputBuffer();
          Serializers.testSerde(buf, LatestDepsSerializers.latestDeps, latestDeps);
      }
  
  
  }