Add UnitTests

Author: ggallotti

java/src/main/java/com/genexus/GxImageUtil.java

@@ -15,7 +15,7 @@ public class GxImageUtil {
 	private static int INVALID_CODE = -1;
 
 	private static InputStream getInputStream(String imageFile) throws IOException {
-		return new GXFile(imageFile).getStream();
+		return new GXFile(imageFile.replace("/", File.separator)).getStream();
 	}
 
 	public static long getFileSize(String imageFile){

java/src/test/java/com/genexus/TestGxImageUtil.java

@@ -0,0 +1,140 @@
+package com.genexus;
+
+import com.genexus.specific.java.Connect;
+import com.genexus.specific.java.ImagesPath;
+import com.genexus.specific.java.LogManager;
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class TestGxImageUtil {
+
+	private String FILE_NAME = "bird-thumbnail.jpg";
+	private String FILE_NAME_COPY = "bird-thumbnail-%s-%s.jpg";
+
+	private int IMAGE_HEIGHT = 900;
+	private int IMAGE_WIDTH = 720;
+
+	@Rule
+	public TemporaryFolder tempFolder = new TemporaryFolder();
+
+	@Test
+	public void testImageWidth()
+	{
+		int imageWidth = GxImageUtil.getImageWidth(initialize("imageWidth"));
+		Assert.assertEquals(IMAGE_WIDTH, imageWidth);
+	}
+
+	private String initialize(String name)
+	{
+		Connect.init();
+		LogManager.initialize(".");
+
+		String copiedFileName = String.format(FILE_NAME_COPY, name, java.util.UUID.randomUUID().toString());
+		File resourcesDirectory = new File("src/test/resources");
+		Path originalFileLocation = Paths.get(resourcesDirectory.getPath(), FILE_NAME);
+		Path copyFileLocation = Paths.get(tempFolder.getRoot().getPath(), copiedFileName);
+
+		try {
+			Files.copy(originalFileLocation, copyFileLocation);
+		}
+		catch (Exception e) {
+			e.printStackTrace();
+		}
+
+		System.out.println(copyFileLocation.toString());
+		return copyFileLocation.toString();
+	}
+
+	@Test
+	public void testImageHeight()
+	{
+		String fileName = initialize("testHeight");
+		int imageHeight = GxImageUtil.getImageHeight(fileName);
+		Assert.assertEquals(IMAGE_HEIGHT, imageHeight);
+	}
+
+	@Test
+	public void testImageScale()
+	{
+		String fileName = initialize("scaled");
+		short scale = 50;
+
+		String imagePath = GxImageUtil.scale(fileName, scale);
+
+		int imageHeight = GxImageUtil.getImageHeight(imagePath);
+		Assert.assertEquals(IMAGE_HEIGHT * scale / 100, imageHeight);
+
+		int imageWidth = GxImageUtil.getImageWidth(imagePath);
+		Assert.assertEquals(IMAGE_WIDTH * scale / 100, imageWidth);
+	}
+
+	@Test
+	public void testImageCrop()
+	{
+		String fileName = initialize("croped");
+		String imagePath = GxImageUtil.crop(fileName, 10, 10, 300, 400);
+
+		int imageHeight = GxImageUtil.getImageHeight(imagePath);
+		Assert.assertEquals(400, imageHeight);
+
+		int imageWidth = GxImageUtil.getImageWidth(imagePath);
+		Assert.assertEquals(300, imageWidth);
+	}
+
+
+	@Test
+	public void testImageResize()
+	{
+		String fileName = initialize("resized");
+		String imagePath = GxImageUtil.resize(fileName, 300, 400, false);
+
+		int imageHeight = GxImageUtil.getImageHeight(imagePath);
+		Assert.assertEquals(400, imageHeight);
+
+		int imageWidth = GxImageUtil.getImageWidth(imagePath);
+		Assert.assertEquals(300, imageWidth);
+	}
+
+
+	@Test
+	public void testImageFlipHorizontally()
+	{
+		String fileName = initialize("flippedHorizontally");
+		String imagePath = GxImageUtil.flipHorizontally(fileName);
+
+		int imageHeight = GxImageUtil.getImageHeight(imagePath);
+		Assert.assertEquals(IMAGE_HEIGHT, imageHeight);
+
+		int imageWidth = GxImageUtil.getImageWidth(imagePath);
+		Assert.assertEquals(IMAGE_WIDTH, imageWidth);
+	}
+
+	@Test
+	public void testImageFlipVertically()
+	{
+		String fileName = initialize("flippedVertically");
+		String imagePath = GxImageUtil.flipVertically(fileName);
+
+		int imageHeight = GxImageUtil.getImageHeight(imagePath);
+		Assert.assertEquals(IMAGE_HEIGHT, imageHeight);
+
+		int imageWidth = GxImageUtil.getImageWidth(imagePath);
+		Assert.assertEquals(IMAGE_WIDTH, imageWidth);
+	}
+
+	@Test
+	public void testImageFileSize()
+	{
+		String fileName = initialize("imageSize");
+		long fileSize = GxImageUtil.getFileSize(fileName);
+		Assert.assertEquals(113974, fileSize);
+
+	}
+}