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.testing.unittestsupport.applib.util;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.junit.jupiter.api.Test;
  import org.mockito.ArgumentMatcher;
  import org.mockito.Mockito;
  
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  
  class Files_deleteFileUtils_Test {
  
      private FileUtils.Deleter deleter = Mockito.mock(FileUtils.Deleter.class);
  
      @Test
      void test() throws IOException {
          final File cusIdxFile = new File("xml/objects/CUS.xml").getAbsoluteFile();
          final File cus1File = new File("xml/objects/CUS/1.xml").getAbsoluteFile();
          final File cus2File = new File("xml/objects/CUS/2.xml").getAbsoluteFile();
  
          FileUtils.deleteFiles(
                  new File("xml/objects").getAbsoluteFile(),
                  FileUtils.filterFileNameExtension(".xml"),
                  FileUtils.Recursion.DO_RECURSE,
                  deleter);
  
          verify(deleter, times(1)).deleteFile(Mockito.argThat(equalsFile(cusIdxFile)));
          verify(deleter, times(1)).deleteFile(Mockito.argThat(equalsFile(cus1File)));
          verify(deleter, times(1)).deleteFile(Mockito.argThat(equalsFile(cus2File)));
          verify(deleter, times(3)).deleteFile(Mockito.any(File.class));
      }
  
      private static ArgumentMatcher<File> equalsFile(final File file) throws IOException {
          return file1 -> {
              try {
                  return file1.getCanonicalPath().equals(file.getCanonicalPath());
              } catch (IOException e) {
                  return false;
              }
          };
      }
  
  }
  