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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
   *  under the License.
   */
  package org.apache.causeway.testdomain.factory;
  
  import jakarta.annotation.PostConstruct;
  import jakarta.inject.Inject;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.test.context.TestPropertySource;
  
  import org.apache.causeway.applib.ViewModel;
  import org.apache.causeway.applib.annotation.DomainObject;
  import org.apache.causeway.applib.annotation.Nature;
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.applib.services.registry.ServiceRegistry;
  import org.apache.causeway.applib.services.repository.RepositoryService;
  import org.apache.causeway.core.config.presets.CausewayPresets;
  import org.apache.causeway.testdomain.conf.Configuration_headless;
  import org.apache.causeway.testing.integtestsupport.applib.CausewayIntegrationTestAbstract;
  
  import lombok.Getter;
  import lombok.RequiredArgsConstructor;
  
  @SpringBootTest(
          classes = {
                  Configuration_headless.class,
          }
  )
  @TestPropertySource(CausewayPresets.UseLog4j2Test)
  class ViewModelFactoryTest extends CausewayIntegrationTestAbstract {
  
      // -- VIEW MODEL SAMPLES
  
      @DomainObject(nature = Nature.VIEW_MODEL)
      public static class SimpleViewModel {
          @Inject private RepositoryService repository;
          private boolean postConstructCalled;
  
          public void assertInitialized() {
              assertNotNull(repository, ()->"repository (field) not injected");
              assertTrue(postConstructCalled, ()->"@PostConstruct not called");
          }
  
          @PostConstruct
          void onPostConstruct() {
              postConstructCalled = true;
          }
  
      }
  
      @DomainObject(nature = Nature.VIEW_MODEL)
      @RequiredArgsConstructor
      public static class ViewModelWithInjectableFields implements ViewModel {
  
          @Inject private RepositoryService repository;
          @Getter private final String name;
          private boolean postConstructCalled;
  
          public void assertInitialized() {
              assertNotNull(repository, ()->"repository (field) not injected");
              assertEquals("aName", getName(), ()->"unexpected name (constructor arg)");
              assertTrue(postConstructCalled, ()->"@PostConstruct not called");
          }
  
          @Override
          public String viewModelMemento() {
              return "aName";
          }
  
          @PostConstruct
          void onPostConstruct() {
              postConstructCalled = true;
          }
      }
  
      @DomainObject(nature = Nature.VIEW_MODEL)
      @RequiredArgsConstructor
      public static class ViewModelWithInjectableConstructorArgs implements ViewModel {
  
          @Inject private RepositoryService repository;
          private final ServiceRegistry registry;
          @Getter private final String name;
          private boolean postConstructCalled;
  
          public void assertInitialized() {
              assertNotNull(repository, ()->"repository (field) not injected");
              assertNotNull(registry, ()->"registry (constructor arg) not injected");
              assertEquals("aName", getName(), ()->"unexpected name (constructor arg)");
              assertTrue(postConstructCalled, ()->"@PostConstruct not called");
          }
  
          @Override
          public String viewModelMemento() {
              return "aName";
          }
  
          @PostConstruct
          void onPostConstruct() {
              postConstructCalled = true;
          }
  
      }
  
      // -- TESTS
  
      @Test
      void sampleViewModel_shouldHave_injectionPointsResolved() {
          var sampleViewModel = factoryService.viewModel(SimpleViewModel.class);
          sampleViewModel.assertInitialized();
      }
  
      @Test
      void viewModel_shouldHave_injectionPointsResolved() {
          var viewModel = factoryService.viewModel(new ViewModelWithInjectableFields("aName"));
          viewModel.assertInitialized();
      }
  
      @Test
      void viewModel_shouldHave_constructorArgsResolved() {
          ViewModelWithInjectableConstructorArgs viewModel = factoryService.viewModel(ViewModelWithInjectableConstructorArgs.class,
                  Bookmark.forLogicalTypeNameAndIdentifier(
                          ViewModelWithInjectableConstructorArgs.class.getName(),
                          "aName"));
          viewModel.assertInitialized();
      }
  
  }
  