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.dse.driver.internal.core.graph;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import com.datastax.dse.driver.api.core.DseProtocolVersion;
  import com.datastax.dse.driver.internal.core.graph.binary.GraphBinaryModule;
  import com.datastax.dse.protocol.internal.response.result.DseRowsMetadata;
  import com.datastax.oss.driver.internal.core.context.DefaultDriverContext;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
  import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
  import com.datastax.oss.protocol.internal.Frame;
  import com.datastax.oss.protocol.internal.Message;
  import com.datastax.oss.protocol.internal.ProtocolConstants;
  import com.datastax.oss.protocol.internal.response.result.ColumnSpec;
  import com.datastax.oss.protocol.internal.response.result.DefaultRows;
  import com.datastax.oss.protocol.internal.response.result.RawType;
  import com.datastax.oss.protocol.internal.response.result.Rows;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.ArrayDeque;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Queue;
  import org.apache.tinkerpop.gremlin.process.remote.traversal.DefaultRemoteTraverser;
  import org.apache.tinkerpop.gremlin.structure.Direction;
  import org.apache.tinkerpop.gremlin.structure.T;
  import org.apache.tinkerpop.gremlin.structure.Vertex;
  import org.apache.tinkerpop.gremlin.structure.io.Buffer;
  import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryReader;
  import org.apache.tinkerpop.gremlin.structure.io.binary.GraphBinaryWriter;
  import org.apache.tinkerpop.gremlin.structure.io.binary.TypeSerializerRegistry;
  import org.apache.tinkerpop.gremlin.structure.util.detached.DetachedVertex;
  import org.apache.tinkerpop.gremlin.structure.util.detached.DetachedVertexProperty;
  import org.assertj.core.api.InstanceOfAssertFactories;
  
  public class GraphTestUtils {
  
    public static ByteBuffer serialize(
        Object value, GraphProtocol graphProtocol, GraphBinaryModule graphBinaryModule)
        throws IOException {
  
      Buffer tinkerBuf = graphBinaryModule.serialize(value);
      ByteBuffer nioBuffer = tinkerBuf.nioBuffer();
      tinkerBuf.release();
      return graphProtocol.isGraphBinary()
          ? nioBuffer
          : GraphSONUtils.serializeToByteBuffer(value, graphProtocol);
    }
  
    public static Frame defaultDseFrameOf(Message responseMessage) {
      return Frame.forResponse(
          DseProtocolVersion.DSE_V2.getCode(),
          0,
          null,
          Frame.NO_PAYLOAD,
          Collections.emptyList(),
          responseMessage);
    }
  
    public static Message singleGraphRow(GraphProtocol graphProtocol, GraphBinaryModule module)
        throws IOException {
      Vertex value =
          DetachedVertex.build()
              .setId(1)
              .setLabel("person")
              .addProperty(
                  DetachedVertexProperty.build()
                      .setId(11)
                      .setLabel("name")
                      .setValue("marko")
                      .create())
              .create();
      DseRowsMetadata metadata =
          new DseRowsMetadata(
              ImmutableList.of(
                  new ColumnSpec(
                      "ks",
                      "table",
                      "gremlin",
                      0,
                      graphProtocol.isGraphBinary()
                          ? RawType.PRIMITIVES.get(ProtocolConstants.DataType.BLOB)
                          : RawType.PRIMITIVES.get(ProtocolConstants.DataType.VARCHAR))),
              null,
              new int[] {},
              null,
              1,
              true);
      Queue<List<ByteBuffer>> data = new ArrayDeque<>();
      data.add(
          ImmutableList.of(
              serialize(
                  graphProtocol.isGraphBinary()
                      // GraphBinary returns results directly inside a Traverser
                      ? new DefaultRemoteTraverser<>(value, 1)
                      : ImmutableMap.of("result", value),
                  graphProtocol,
                  module)));
      return new DefaultRows(metadata, data);
    }
  
    // Returns 10 rows, each with a vertex
    public static Rows tenGraphRows(
        GraphProtocol graphProtocol, GraphBinaryModule module, int page, boolean last)
        throws IOException {
      DseRowsMetadata metadata =
          new DseRowsMetadata(
              ImmutableList.of(
                  new ColumnSpec(
                      "ks",
                      "table",
                      "gremlin",
                      0,
                      graphProtocol.isGraphBinary()
                          ? RawType.PRIMITIVES.get(ProtocolConstants.DataType.BLOB)
                          : RawType.PRIMITIVES.get(ProtocolConstants.DataType.VARCHAR))),
              null,
              new int[] {},
              null,
              page,
              last);
      Queue<List<ByteBuffer>> data = new ArrayDeque<>();
      int start = (page - 1) * 10;
      for (int i = start; i < start + 10; i++) {
        Vertex v =
            DetachedVertex.build()
                .setId("vertex" + i)
                .setLabel("person")
                .addProperty(
                    DetachedVertexProperty.build()
                        .setId("property" + i)
                        .setLabel("name")
                        .setValue("user" + i)
                        .create())
                .create();
        data.add(
            ImmutableList.of(
                serialize(
                    graphProtocol.isGraphBinary()
                        // GraphBinary returns results directly inside a Traverser
                        ? new DefaultRemoteTraverser<>(v, 1)
                        : ImmutableMap.of("result", v),
                    graphProtocol,
                    module)));
      }
      return new DefaultRows(metadata, data);
    }
  
    public static GraphBinaryModule createGraphBinaryModule(DefaultDriverContext context) {
      TypeSerializerRegistry registry = GraphBinaryModule.createDseTypeSerializerRegistry(context);
      return new GraphBinaryModule(new GraphBinaryReader(registry), new GraphBinaryWriter(registry));
    }
  
    public static void assertThatContainsProperties(
        Map<Object, Object> properties, Object... propsToMatch) {
      for (int i = 0; i < propsToMatch.length; i += 2) {
        assertThat(properties).containsEntry(propsToMatch[i], propsToMatch[i + 1]);
      }
    }
  
    public static void assertThatContainsLabel(
        Map<Object, Object> properties, Direction direction, String label) {
      assertThat(properties)
          .hasEntrySatisfying(
              direction,
              value ->
                  assertThat(value)
                      .asInstanceOf(InstanceOfAssertFactories.MAP)
                      .containsEntry(T.label, label));
    }
  }
  