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.causeway.applib.util.schema;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.CoreMatchers.nullValue;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  import org.apache.causeway.schema.cmd.v2.CommandDto;
  import org.apache.causeway.schema.cmd.v2.MapDto;
  
  public class CommandDtoUtils_Test {
  
      CommandDto dto;
      @BeforeEach
      public void setUp() throws Exception {
          dto = new CommandDto();
      }
  
      @Test
      public void getUserData() {
  
          // null is just ignored
          assertThat(CommandDtoUtils.getUserData(null, "someKey"), is(nullValue()));
  
          // empty
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is(nullValue()));
  
          // populated
          final MapDto mapDto = new MapDto();
          CommonDtoUtils.putMapKeyValue(mapDto, "someKey", "someValue");
          dto.setUserData(mapDto);
  
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is("someValue"));
      }
  
      @Test
      public void setUserData() {
  
          CommandDtoUtils.setUserData(dto, "someKey", "someValue");
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is("someValue"));
  
          CommandDtoUtils.setUserData(dto, "someKey", "someOtherValue");
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is("someOtherValue"));
  
      }
  
      @Test
      public void clearUserData() {
          // given
          CommandDtoUtils.setUserData(dto, "someKey", "someOtherValue");
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is("someOtherValue"));
  
          // when
          CommandDtoUtils.clearUserData(dto, "someKey");
  
          // then
          assertThat(CommandDtoUtils.getUserData(dto, "someKey"), is(nullValue()));
      }
  }