如何模拟gremlin服务器或创建用于单元测试的内存图？

<dependency>
    <groupId>org.apache.tinkerpop</groupId>
    <artifactId>tinkergraph-gremlin</artifactId>
    <version>3.4.10</version>
</dependency>

import org.apache.tinkerpop.gremlin.structure.T;
import org.apache.tinkerpop.gremlin.tinkergraph.structure.TinkerGraph;
import org.apache.tinkerpop.gremlin.structure.Vertex;

public class GraphTest {
    public static void main(String[] args) {
        TinkerGraph graph = TinkerGraph.open();
        
        // 添加顶点和边
        Vertex v1 = graph.addVertex(T.label, "person", T.id, 1, "name", "Alice");
        Vertex v2 = graph.addVertex(T.label, "person", T.id, 2, "name", "Bob");
        v1.addEdge("knows", v2);

        // 使用Gremlin查询
        Vertex alice = graph.traversal().V().has("name", "Alice").next();
        System.out.println("Found vertex: " + alice.property("name").value());
        
        // 关闭图
        graph.close();
    }
}

<dependency>
    <groupId>org.mockito</groupId>
    <artifactId>mockito-core</artifactId>
    <version>3.3.3</version>
    <scope>test</scope>
</dependency>

import org.mockito.Mockito;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;

public class GremlinTest {
    public static void main(String[] args) {
        // 创建一个模拟的GraphTraversalSource
        GraphTraversalSource g = Mockito.mock(GraphTraversalSource.class);

        // 配置模拟行为
        Mockito.when(g.V().has("name", "Alice").next()).thenReturn(Mockito.mock(Vertex.class));

        // 使用模拟对象
        Vertex result = g.V().has("name", "Alice").next();
        System.out.println("Mocked vertex: " + result);
    }
}