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   *  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
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   */
  package org.apache.causeway.viewer.wicket.ui.test;
  
  import org.apache.wicket.Component;
  import org.apache.wicket.model.IModel;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import org.apache.causeway.core.metamodel._testing.MetaModelContext_forTesting;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.viewer.wicket.ui.ComponentFactoryAbstract;
  
  class ComponentFactoryAbstractTest_init {
  
      private MetaModelContext metaModelContext;
      private MetaModelContext commonContext;
  
      @BeforeEach
      public void setUp() throws Exception {
  
          metaModelContext = MetaModelContext_forTesting.buildDefault();
          commonContext = metaModelContext;
      }
  
      @Test
      public void canInstantiateComponentFactoryWithNoComponentClass() {
          class ComponentFactoryWithNoComponentClass extends ComponentFactoryAbstract {
  
              public ComponentFactoryWithNoComponentClass() {
                  super(null);
                  setMetaModelContext(commonContext);
              }
  
              @Override
              protected ApplicationAdvice appliesTo(final IModel<?> model) {
                  return null;
              }
  
              @Override
              public Component createComponent(final String id, final IModel<?> model) {
                  return null;
              }
  
          }
  
          new ComponentFactoryWithNoComponentClass();
      }
  
      @Test
      public void canInstantiateComponentFactoryWithComponentClass() {
          class ComponentClass {}
          class ComponentFactoryWithComponentClass extends ComponentFactoryAbstract {
  
              public ComponentFactoryWithComponentClass() {
                  super(null, ComponentClass.class);
                  setMetaModelContext(commonContext);
              }
  
              @Override
              protected ApplicationAdvice appliesTo(final IModel<?> model) {
                  return null;
              }
  
              @Override
              public Component createComponent(final String id, final IModel<?> model) {
                  return null;
              }
  
          }
  
          new ComponentFactoryWithComponentClass();
      }
  
      @Test
      public void cannotInstantiateComponentFactoryWithIncorrectComponentClass() {
  
          class ComponentFactoryWithIncorrectComponentClass extends ComponentFactoryAbstract {
  
              public ComponentFactoryWithIncorrectComponentClass() {
                  super(null, ComponentFactoryWithIncorrectComponentClass.class);
                  setMetaModelContext(commonContext);
              }
  
              @Override
              protected ApplicationAdvice appliesTo(final IModel<?> model) {
                  return null;
              }
  
              @Override
              public Component createComponent(final String id, final IModel<?> model) {
                  return null;
              }
  
          }
  
          assertThrows(IllegalArgumentException.class, ()->{
              new ComponentFactoryWithIncorrectComponentClass();
          });
  
      }
  
  }
  