| /* |
| * 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.commons.imaging; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.commons.imaging.ImageReadException; |
| import org.apache.commons.imaging.Sanselan; |
| import org.apache.commons.imaging.SanselanConstants; |
| import org.apache.commons.imaging.test.util.FileSystemTraversal; |
| import org.apache.commons.imaging.util.Debug; |
| |
| public abstract class SanselanTest extends TestCase implements |
| SanselanTestConstants, SanselanConstants { |
| |
| protected File createTempFile(String prefix, String suffix) |
| throws IOException { |
| File tempFolder = new File("tmp"); |
| if (!tempFolder.exists()) |
| tempFolder.mkdirs(); |
| assertTrue(tempFolder.isDirectory()); |
| |
| File result = File.createTempFile(prefix, suffix, tempFolder); |
| result.deleteOnExit(); |
| return result; |
| } |
| |
| public void compareByteArrays(byte a[], byte b[]) { |
| assertTrue(a.length == b.length); |
| for (int i = 0; i < b.length; i++) |
| assertTrue(b[i] == a[i]); |
| } |
| |
| protected void purgeMemory() { |
| try { |
| System.gc(); |
| Thread.sleep(50); |
| System.runFinalization(); |
| Thread.sleep(50); |
| } catch (Exception e) { |
| Debug.debug(e); |
| } |
| } |
| |
| protected boolean isPhilHarveyTestImage(File file) { |
| // Debug.debug("isPhilHarveyTestImage file", file.getAbsolutePath()); |
| // Debug.debug("isPhilHarveyTestImage folder", |
| // PHIL_HARVEY_TEST_IMAGE_FOLDER.getAbsolutePath()); |
| return file.getAbsolutePath().startsWith( |
| PHIL_HARVEY_TEST_IMAGE_FOLDER.getAbsolutePath()); |
| } |
| |
| public static interface ImageFilter { |
| public boolean accept(File file) throws IOException, ImageReadException; |
| } |
| |
| protected File getTestImage() throws IOException, ImageReadException { |
| return getTestImage(null); |
| } |
| |
| protected File getTestImageByName(final String filename) |
| throws IOException, ImageReadException { |
| return getTestImage(new ImageFilter() { |
| public boolean accept(File file) throws IOException, ImageReadException { |
| return file.getName().equals(filename); |
| } |
| }); |
| } |
| |
| protected File getTestImage(ImageFilter filter) throws IOException, |
| ImageReadException { |
| List images = getTestImages(filter, 1); |
| |
| assertTrue(images.size() > 0); |
| |
| return (File) images.get(0); |
| } |
| |
| protected List getTestImages() throws IOException, ImageReadException { |
| return getTestImages(null, -1); |
| } |
| |
| protected List getTestImages(ImageFilter filter) throws IOException, |
| ImageReadException { |
| return getTestImages(filter, -1); |
| } |
| |
| private static final List ALL_IMAGES = new ArrayList(); |
| |
| static { |
| File imagesFolder = TEST_IMAGE_FOLDER; |
| |
| // imagesFolder = new File( |
| // "C:\\personal\\apache\\sanselan\\src\\test\\data\\images\\bmp\\2"); |
| |
| imagesFolder = imagesFolder.getAbsoluteFile(); |
| |
| Debug.debug("imagesFolder", imagesFolder); |
| assertTrue(imagesFolder.exists()); |
| |
| FileSystemTraversal.Visitor visitor = new FileSystemTraversal.Visitor() { |
| |
| public boolean visit(File file, double progressEstimate) { |
| if (!Sanselan.hasImageFileExtension(file)) |
| return true; |
| ALL_IMAGES.add(file); |
| return true; |
| } |
| }; |
| new FileSystemTraversal().traverseFiles(imagesFolder, visitor); |
| } |
| |
| protected List getTestImages(final ImageFilter filter, final int max) |
| throws IOException, ImageReadException { |
| final List images = new ArrayList(); |
| int counter = 0; |
| |
| for (int i = 0; i < ALL_IMAGES.size(); i++) { |
| File file = (File) ALL_IMAGES.get(i); |
| |
| if (!Sanselan.hasImageFileExtension(file)) |
| continue; |
| |
| if (counter++ % 10 == 0) |
| Debug.purgeMemory(); |
| |
| if (file.getParentFile().getName().toLowerCase().equals("@broken")) |
| continue; |
| |
| if (filter != null && !filter.accept(file)) |
| continue; |
| |
| images.add(file); |
| |
| if (max > 0 && images.size() >= max) |
| break; |
| } |
| |
| assertTrue(images.size() > 0); |
| |
| return images; |
| } |
| |
| protected boolean isInvalidPNGTestFile(File file) { |
| return (file.getParentFile().getName().equalsIgnoreCase("pngsuite") && file |
| .getName().toLowerCase().startsWith("x")); |
| } |
| } |