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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.imaging.formats.webp;
19  
20  import java.io.File;
21  import java.io.IOException;
22  import java.util.List;
23  import java.util.stream.Stream;
24  
25  import org.apache.commons.imaging.AbstractImagingTest;
26  import org.apache.commons.imaging.ImageFormat;
27  import org.apache.commons.imaging.ImageFormats;
28  import org.apache.commons.imaging.Imaging;
29  import org.apache.commons.imaging.ImagingException;
30  
31  public abstract class WebPBaseTest extends AbstractImagingTest {
32  
33      private static final ImageFilter IMAGE_FILTER = WebPBaseTest::isWebP;
34  
35      protected static List<File> getWebPImages() throws IOException, ImagingException {
36          return getTestImages(IMAGE_FILTER);
37      }
38  
39      protected static Stream<File> images() throws IOException {
40          final List<File> images = getWebPImages();
41          final File emptyWebP = new File(WebPReadTest.class.getResource("/images/webp/empty/empty-100x100.webp").getFile());
42          final File animationWebP = new File(WebPReadTest.class.getResource("/images/webp/animation/example.webp").getFile());
43          final File exifWebP = new File(WebPReadTest.class.getResource("/images/webp/exif/_DSC6099.webp").getFile());
44          return Stream.concat(images.stream(), Stream.of(emptyWebP, animationWebP, exifWebP));
45      }
46  
47      private static boolean isWebP(final File file) throws IOException {
48          final ImageFormat format = Imaging.guessFormat(file);
49          return format == ImageFormats.WEBP;
50      }
51  }