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.core.metamodel.services.grid;
  
  import java.util.EnumSet;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import org.apache.causeway.applib.value.NamedWithMimeType.CommonMimeType;
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.core.metamodel.services.grid.GridLoaderServiceDefault.LayoutKey;
  import org.apache.causeway.core.metamodel.services.grid.spi.LayoutResource;
  import org.apache.causeway.core.metamodel.services.grid.spi.LayoutResourceLoader;
  import org.apache.causeway.core.metamodel.services.grid.spi.LayoutResourceLoaderDefault;
  
  class GridLoaderServiceDefault_resourceNameTest {
  
      private GridLoaderServiceDefault gridLoaderServiceDefault;
      private LayoutResourceLoader layoutResourceLoader;
  
      @BeforeEach
      void setUp() throws Exception {
          layoutResourceLoader = new LayoutResourceLoaderDefault();
          gridLoaderServiceDefault = new GridLoaderServiceDefault(null, Can.of(layoutResourceLoader), false);
      }
  
      @Test
      void when_default_exists() {
          assertEquals(
                  "Foo.layout.xml",
                  resourceNameFor(new GridLoaderServiceDefault.LayoutKey(Foo.class, null)));
      }
  
      @Test
      void when_fallback_exists() {
          assertEquals(
                  "Foo2.layout.fallback.xml",
                  resourceNameFor(new GridLoaderServiceDefault.LayoutKey(Foo2.class, null)));
      }
  
      @Test
      void when_default_and_fallback_both_exist() {
          assertEquals(
                  "Foo3.layout.xml",
                  resourceNameFor(new GridLoaderServiceDefault.LayoutKey(Foo3.class, null)));
      }
  
      @Test
      void when_neither_exist() {
          assertEquals(
                  (String)null,
                  resourceNameFor(new GridLoaderServiceDefault.LayoutKey(Foo4.class, null)));
      }
  
      // -- HELPER
  
      private String resourceNameFor(final LayoutKey dcal) {
          return gridLoaderServiceDefault.loadLayoutResource(dcal, EnumSet.of(CommonMimeType.XML))
          .map(LayoutResource::resourceName)
          .orElse(null);
      }
  
  }
  