/**
    * Copyright 2011, Aiki IT, FotoRenamer
    * <p>
    * Licensed 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
    * <p>
    * http://www.apache.org/licenses/LICENSE-2.0
    * <p>
   * 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 de.aikiit.fotorenamer.image;
  
  import de.aikiit.fotorenamer.TestConstants;
  import org.apache.commons.imaging.formats.tiff.constants.ExifTagConstants;
  import org.apache.log4j.Logger;
  import org.junit.jupiter.api.Test;
  
  import java.io.File;
  import java.util.regex.Matcher;
  
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Read properties from test images and verify exif-metadata extraction.
   *
   * @author hirsch
   */
  class MetaDataExtractorTest {
      private static final Logger LOG = Logger.getLogger(MetaDataExtractorTest.class);
  
      @Test
      void makeSurePatternMatchesMultipleRenamedFiles() {
          Matcher matcher = TestConstants.IS_TEST_FILE.matcher("123123123123_20110130_131102_IMG_7559_mini.JpG");
          assertTrue(matcher.find());
      }
  
      @Test
      void ensureGivenExampleFileIsRenamed() throws Exception {
          File f = new File(TestConstants.FULLPATH_TEST_IMG);
  
          int minLength = TestConstants.PLAIN_FILE_NAME.length();
  
          if (!f.exists()) {
              LOG.debug("Switching to renamed file, since another test may have touched it before.");
              f = new File(TestConstants.FULLPATH_TEST_IMG_RENAMED);
              minLength = f.getName().length();
          }
  
          LOG.debug("Extracting metadata from " + f.getAbsolutePath());
  
          String renamedFile =
                  MetaDataExtractor
                          .generateCreationDateInCorrectFormat(f);
          assertTrue(renamedFile.endsWith(TestConstants.PLAIN_FILE_NAME));
          assertTrue(renamedFile.length() >= minLength);
      }
  
      /**
       * Checks assertion failure with null parameter.
       */
      @Test
      void checkAssertionErrors() {
          assertThrows(AssertionError.class, () -> MetaDataExtractor.getExifMetadata(null, ExifTagConstants.EXIF_TAG_BRIGHTNESS));
      }
  
      /**
       * Checks assertion failure with null parameter.
       */
      @Test
      void checkAssertionErrorTag() {
          assertThrows(AssertionError.class, () -> MetaDataExtractor.getExifMetadata(new File(TestConstants.FULLPATH_TEST_IMG), null));
      }
  
  }