Unify resource-read and clean-up test-resources in image related tests

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/SwtTestUtil.java

@@ -19,8 +19,15 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.PrintStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.BooleanSupplier;
 
@@ -574,4 +581,27 @@ public static boolean hasPixelNotMatching(Image image, Color nonMatchingColor, R
 	}
 	return false;
 }
+
+public static String getPath(String fileName) {
+	URI uri;
+	String pluginPath = System.getProperty("PLUGIN_PATH");
+	if (pluginPath == null) {
+		URL url = SwtTestUtil.class.getResource(fileName);
+		assertNotNull(url, "URL == null for file " + fileName);
+		try {
+			uri = url.toURI();
+		} catch (URISyntaxException e) {
+			throw new IllegalArgumentException(e);
+		}
+	} else {
+		uri = URI.create(pluginPath + "/data/" + fileName);
+	}
+	// Fallback when test is locally executed as plug-in test
+	Path path = Path.of(uri);
+	if (!Files.exists(path)) {
+		path = Path.of("data/" + fileName).toAbsolutePath();
+	}
+	assertTrue(Files.exists(path), "file not found: " + uri);
+	return path.toString();
+}
 }

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_graphics_Image.java

@@ -16,6 +16,7 @@
 
 
 import static org.eclipse.swt.tests.junit.SwtTestUtil.assertSWTProblem;
+import static org.eclipse.swt.tests.junit.SwtTestUtil.getPath;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -26,10 +27,8 @@
 import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Comparator;
@@ -1167,26 +1166,7 @@ void getImageData2(int depth, PaletteData palette) {
 	gc.dispose();
 	image.dispose();
 }
-String getPath(String fileName) {
-	String urlPath;
-
-	String pluginPath = System.getProperty("PLUGIN_PATH");
-	if (pluginPath == null) {
-		URL url = getClass().getClassLoader().getResource(fileName);
-		if (url == null) {
-			fail("URL == null for file " + fileName);
-		}
-		urlPath = url.getFile();
-	} else {
-		urlPath = pluginPath + "/data/" + fileName;
-	}
 
-	if (File.separatorChar != '/') urlPath = urlPath.replace('/', File.separatorChar);
-	if (SwtTestUtil.isWindows && urlPath.indexOf(File.separatorChar) == 0) urlPath = urlPath.substring(1);
-	urlPath = urlPath.replaceAll("%20", " ");
-
-	return urlPath;
-}
 RGB getRealRGB(Color color) {
 	Image colorImage = new Image(display, 10, 10);
 	GC imageGc = new GC(colorImage);

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_internal_SVGRasterizer.java

@@ -13,14 +13,8 @@
 package org.eclipse.swt.tests.junit;
 
 import static org.eclipse.swt.tests.junit.SwtTestUtil.assertSWTProblem;
-import static org.junit.Assert.fail;
+import static org.eclipse.swt.tests.junit.SwtTestUtil.getPath;
 import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.io.File;
-import java.net.URL;
-import java.nio.file.Files;
-import java.nio.file.Path;
 
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.SWTException;
@@ -68,28 +62,4 @@ public void test_ConstructorLorg_eclipse_swt_graphics_Device_ImageDataProvider()
 		assertSWTProblem("Incorrect exception thrown for provider with corrupt images", SWT.ERROR_INVALID_IMAGE, e);
 	}
 
-	String getPath(String fileName) {
-		String urlPath = "";
-		String pluginPath = System.getProperty("PLUGIN_PATH");
-		if (pluginPath == null) {
-			URL url = getClass().getClassLoader().getResource(fileName);
-			if (url == null) {
-				fail("URL == null for file " + fileName);
-			}
-			urlPath = url.getFile();
-		} else {
-			urlPath = pluginPath + "/data/" + fileName;
-		}
-		if (File.separatorChar != '/')
-			urlPath = urlPath.replace('/', File.separatorChar);
-		if (SwtTestUtil.isWindows && urlPath.indexOf(File.separatorChar) == 0)
-			urlPath = urlPath.substring(1);
-		urlPath = urlPath.replaceAll("%20", " ");
-		// Fallback when test is locally executed as plug-in test
-		if (!Files.exists(Path.of(urlPath))) {
-			urlPath = Path.of("data/" + fileName).toAbsolutePath().toString();
-		}
-		assertTrue(Files.exists(Path.of(urlPath)), "file not found: " + urlPath);
-		return urlPath;
-	}
 }

tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/performance/SwtPerformanceTestCase.java

@@ -13,32 +13,16 @@
  *******************************************************************************/
 package org.eclipse.swt.tests.junit.performance;
 
-
-import static org.junit.Assert.fail;
-
-import java.io.File;
-import java.net.URL;
-
 import org.eclipse.swt.SWT;
 import org.eclipse.test.performance.Dimension;
 import org.eclipse.test.performance.Performance;
 import org.eclipse.test.performance.PerformanceMeter;
 
-
 public class SwtPerformanceTestCase {
-	// used to specify verbose mode, if true unimplemented warning messages will
-	// be written to System.out
-	public static boolean verbose = false;
 
 	public final static boolean isGTK = SWT.getPlatform().equals("gtk");
 	public final static boolean isWindows = SWT.getPlatform().startsWith("win32");
 
-	// allow specific image formats to be tested
-	public static String[] imageFormats = new String[] {"bmp", "jpg", "gif", "png"};
-	public static String[] imageFilenames = new String[] {"folder", "folderOpen", "target"};
-	public static String[] transparentImageFilenames = new String[] {"transparent.png"};
-
-
 protected PerformanceMeter createMeter(String id) {
 	Performance performance = Performance.getDefault();
 	String scenarioId = "org.eclipse.swt.test." + id;
@@ -63,31 +47,4 @@ protected void disposeMeter(PerformanceMeter meter) {
 	}
 }
 
-protected String getPath(String fileName) {
-	String urlPath;
-
-	String pluginPath = System.getProperty("PLUGIN_PATH");
-	if (verbose) {
-		System.out.println("PLUGIN_PATH <"+pluginPath+">");
-	}
-	if (pluginPath == null) {
-		URL url = getClass().getClassLoader().getResource(fileName);
-		if (url == null) {
-			fail("URL == null for file " + fileName);
-		}
-		urlPath = url.getFile();
-	} else {
-		urlPath = pluginPath + "/data/" + fileName;
-	}
-
-	if (File.separatorChar != '/') urlPath = urlPath.replace('/', File.separatorChar);
-	if (isWindows && urlPath.indexOf(File.separatorChar) == 0) urlPath = urlPath.substring(1);
-	urlPath = urlPath.replaceAll("%20", " ");
-
-	if (verbose) {
-		System.out.println("Resolved file name for " + fileName + " = " + urlPath);
-	}
-	return urlPath;
-}
-
 }