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.services.metamodel;
  
  import org.junit.jupiter.api.Test;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.emptyCollectionOf;
  import static org.hamcrest.Matchers.equalTo;
  import static org.hamcrest.Matchers.is;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class MetaModelService_Config_Test {
  
      @Test
      public void namespace_prefixes() throws Exception {
  
          // when
          Config config = Config.builder().build();
          // then
          assertThat(config.getNamespacePrefixes(), is(emptyCollectionOf(String.class)));
  
          // and when
          Config config2 = config.withNamespacePrefix("org.foo");
  
          // then
          assertNotSame(config, config2);
          assertThat(config2.getNamespacePrefixes().size(), is(equalTo(1)));
          assertThat(config2.getNamespacePrefixes().iterator().next(), is(equalTo("org.foo")));
  
          // and when
          Config config3 = config2.withNamespacePrefix("org.bar");
  
          // then
          assertNotSame(config, config3);
          assertNotSame(config2, config3);
          assertThat(config3.getNamespacePrefixes().size(), is(equalTo(2)));
          assertTrue(config3.getNamespacePrefixes().contains("org.foo"));
          assertTrue(config3.getNamespacePrefixes().contains("org.bar"));
      }
  }
  