package com.tinkerpop.gremlin.driver.ser;
import com.tinkerpop.gremlin.driver.MessageSerializer;
import com.tinkerpop.gremlin.driver.message.ResponseMessage;
import com.tinkerpop.gremlin.driver.message.ResponseStatusCode;
import com.tinkerpop.gremlin.structure.Compare;
import com.tinkerpop.gremlin.structure.Edge;
import com.tinkerpop.gremlin.structure.Graph;
import com.tinkerpop.gremlin.structure.Vertex;
import com.tinkerpop.gremlin.structure.io.graphson.GraphSONTokens;
import com.tinkerpop.gremlin.tinkergraph.structure.TinkerFactory;
import com.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.UnpooledByteBufAllocator;
import org.junit.Test;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
/**
* Serializer tests that cover non-lossy serialization/deserialization methods.
*
* @author Stephen Mallette (http://stephen.genoprime.com)
*/
public class JsonMessageSerializerGremlinV1d0Test {
private UUID requestId = UUID.fromString("6457272A-4018-4538-B9AE-08DD5DDC0AA1");
private ResponseMessage.Builder responseMessageBuilder = ResponseMessage.build(requestId);
private static ByteBufAllocator allocator = UnpooledByteBufAllocator.DEFAULT;
public MessageSerializer serializer = new JsonMessageSerializerGremlinV1d0();
@Test
public void serializeIterable() throws Exception {
final ArrayList<Integer> list = new ArrayList<>();
list.add(1);
list.add(100);
final ResponseMessage response = convert(list);
assertCommon(response);
final List<Integer> deserializedFunList = (List<Integer>) response.getResult().getData();
assertEquals(2, deserializedFunList.size());
assertEquals(new Integer(1), deserializedFunList.get(0));
assertEquals(new Integer(100), deserializedFunList.get(1));
}
@Test
public void serializeIterableWithNull() throws Exception {
final ArrayList<Integer> list = new ArrayList<>();
list.add(1);
list.add(null);
list.add(100);
final ResponseMessage response = convert(list);
assertCommon(response);
final List<Integer> deserializedFunList = (List<Integer>) response.getResult().getData();
assertEquals(3, deserializedFunList.size());
assertEquals(new Integer(1), deserializedFunList.get(0));
assertNull(deserializedFunList.get(1));
assertEquals(new Integer(100), deserializedFunList.get(2));
}
@Test
public void serializeMap() throws Exception {
final Map<String, Object> map = new HashMap<>();
final Map<String, String> innerMap = new HashMap<>();
innerMap.put("a", "b");
map.put("x", 1);
map.put("y", "some");
map.put("z", innerMap);
final ResponseMessage response = convert(map);
assertCommon(response);
final Map<String, Object> deserializedMap = (Map<String, Object>) response.getResult().getData();
assertEquals(3, deserializedMap.size());
assertEquals(1, deserializedMap.get("x"));
assertEquals("some", deserializedMap.get("y"));
final Map<String, String> deserializedInnerMap = (Map<String, String>) deserializedMap.get("z");
assertEquals(1, deserializedInnerMap.size());
assertEquals("b", deserializedInnerMap.get("a"));
}
@Test
public void serializeEdge() throws Exception {
final Graph g = TinkerGraph.open();
final Vertex v1 = g.addVertex();
final Vertex v2 = g.addVertex();
final Edge e = v1.addEdge("test", v2);
e.property("abc", 123);
final Iterable<Edge> iterable = g.E().toList();
final ResponseMessage response = convert(iterable);
assertCommon(response);
final List<Map<String, Object>> edgeList = (List<Map<String, Object>>) response.getResult().getData();
assertEquals(1, edgeList.size());
final Map<String, Object> deserializedEdge = edgeList.get(0);
assertEquals(e.id(), deserializedEdge.get(GraphSONTokens.ID));
assertEquals(v1.id(), deserializedEdge.get(GraphSONTokens.OUT));
assertEquals(v2.id(), deserializedEdge.get(GraphSONTokens.IN));
assertEquals(v1.label(), deserializedEdge.get(GraphSONTokens.OUT_LABEL));
assertEquals(v2.label(), deserializedEdge.get(GraphSONTokens.IN_LABEL));
assertEquals(e.label(), deserializedEdge.get(GraphSONTokens.LABEL));
assertEquals(GraphSONTokens.EDGE, deserializedEdge.get(GraphSONTokens.TYPE));
final Map<String, Object> properties = (Map<String, Object>) deserializedEdge.get(GraphSONTokens.PROPERTIES);
assertNotNull(properties);
assertEquals(123, properties.get("abc"));
}
@Test
public void serializeVertexWithEmbeddedMap() throws Exception {
final Graph g = TinkerGraph.open();
final Vertex v = g.addVertex();
final Map<String, Object> map = new HashMap<>();
map.put("x", 500);
map.put("y", "some");
final ArrayList<Object> friends = new ArrayList<>();
friends.add("x");
friends.add(5);
friends.add(map);
v.property("friends", friends);
final List list = g.V().toList();
final ResponseMessage response = convert(list);
assertCommon(response);
final List<Map<String, Object>> vertexList = (List<Map<String, Object>>) response.getResult().getData();
assertEquals(1, vertexList.size());
final Map<String, Object> deserializedVertex = vertexList.get(0);
assertEquals(0l, deserializedVertex.get(GraphSONTokens.ID));
assertEquals(Vertex.DEFAULT_LABEL, deserializedVertex.get(GraphSONTokens.LABEL));
final Map<String, Object> properties = (Map<String, Object>) deserializedVertex.get(GraphSONTokens.PROPERTIES);
assertEquals(1, properties.size());
final List<Object> deserializedInnerList = (List<Object>) ((Map<String,Object>) ((List<Object>) properties.get("friends")).get(0)).get(GraphSONTokens.VALUE);
assertEquals(3, deserializedInnerList.size());
assertEquals("x", deserializedInnerList.get(0));
assertEquals(5, deserializedInnerList.get(1));
final Map<String, Object> deserializedInnerInnerMap = (Map<String, Object>) deserializedInnerList.get(2);
assertEquals(2, deserializedInnerInnerMap.size());
assertEquals(500, deserializedInnerInnerMap.get("x"));
assertEquals("some", deserializedInnerInnerMap.get("y"));
}
@Test
public void serializeToJsonMapWithElementForKey() throws Exception {
final TinkerGraph g = TinkerFactory.createClassic();
final Map<Vertex, Integer> map = new HashMap<>();
map.put(g.V().<Vertex>has("name", Compare.eq, "marko").next(), 1000);
final ResponseMessage response = convert(map);
assertCommon(response);
final Map<String, Integer> deserializedMap = (Map<String, Integer>) response.getResult().getData();
assertEquals(1, deserializedMap.size());
// with no embedded types the key (which is a vertex) simply serializes out to an id
// {"result":{"1":1000},"code":200,"requestId":"2d62161b-9544-4f39-af44-62ec49f9a595","type":0}
assertEquals(new Integer(1000), deserializedMap.get("1"));
}
@Test
public void serializeFullResponseMessage() throws Exception {
final UUID id = UUID.randomUUID();
final Map<String,Object> metaData = new HashMap<>();
metaData.put("test", "this");
metaData.put("one", 1);
final Map<String,Object> attributes = new HashMap<>();
attributes.put("test", "that");
attributes.put("two", 2);
final ResponseMessage response = ResponseMessage.build(id)
.responseMetaData(metaData)
.code(ResponseStatusCode.SUCCESS)
.result("some-result")
.statusAttributes(attributes)
.statusMessage("worked")
.create();
final ByteBuf bb = serializer.serializeResponseAsBinary(response, allocator);
final ResponseMessage deserialized = serializer.deserializeResponse(bb);
assertEquals(id, deserialized.getRequestId());
assertEquals("this", deserialized.getResult().getMeta().get("test"));
assertEquals(1, deserialized.getResult().getMeta().get("one"));
assertEquals("some-result", deserialized.getResult().getData());
assertEquals("that", deserialized.getStatus().getAttributes().get("test"));
assertEquals(2, deserialized.getStatus().getAttributes().get("two"));
assertEquals(ResponseStatusCode.SUCCESS.getValue(), deserialized.getStatus().getCode().getValue());
assertEquals("worked", deserialized.getStatus().getMessage());
}
private void assertCommon(final ResponseMessage response) {
assertEquals(requestId, response.getRequestId());
assertEquals(ResponseStatusCode.SUCCESS, response.getStatus().getCode());
}
private ResponseMessage convert(final Object toSerialize) throws SerializationException {
final ByteBuf bb = serializer.serializeResponseAsBinary(responseMessageBuilder.result(toSerialize).create(), allocator);
return serializer.deserializeResponse(bb);
}
}