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.kafka.image.node.printer;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  
  @Timeout(value = 40)
  public class NodeStringifierTest {
      @Test
      public void testOutput() {
          NodeStringifier stringifier = new NodeStringifier();
          stringifier.output("testing 123");
          stringifier.output("again");
          assertEquals("testing 123, again", stringifier.toString());
      }
  
      @Test
      public void testEnterNode() {
          NodeStringifier stringifier = new NodeStringifier();
          stringifier.enterNode("foo");
          stringifier.leaveNode();
          assertEquals("foo()", stringifier.toString());
      }
  
      @Test
      public void testNesting() {
          NodeStringifier stringifier = new NodeStringifier();
          stringifier.enterNode("foo");
          stringifier.enterNode("bar");
          stringifier.leaveNode();
          stringifier.enterNode("baz");
          stringifier.leaveNode();
          stringifier.leaveNode();
          assertEquals("foo(bar(), baz())", stringifier.toString());
      }
  }
  