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.api.core.graph;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  import org.apache.tinkerpop.gremlin.process.traversal.step.util.Tree;
  import org.assertj.core.api.MapAssert;
  
  public class TinkerTreeAssert<T> extends MapAssert<T, Tree<T>> {
  
    public TinkerTreeAssert(Tree<T> actual) {
      super(actual);
    }
  
    public TinkerTreeAssert<T> hasTree(T key) {
      assertThat(actual).containsKey(key);
      return this;
    }
  
    public TinkerTreeAssert<T> isLeaf() {
      assertThat(actual).hasSize(0);
      return this;
    }
  
    public TinkerTreeAssert<T> tree(T key) {
      hasTree(key);
      return new TinkerTreeAssert<>(actual.get(key));
    }
  }
  