Add URL test for QuarkusClassLoader

independent-projects/bootstrap/core/src/test/java/io/quarkus/bootstrap/classloader/ClassLoadingResourceUrlTestCase.java

@@ -0,0 +1,86 @@
+package io.quarkus.bootstrap.classloader;
+
+import io.quarkus.bootstrap.classloading.DirectoryClassPathElement;
+import io.quarkus.bootstrap.classloading.JarClassPathElement;
+import io.quarkus.bootstrap.classloading.QuarkusClassLoader;
+import io.quarkus.bootstrap.util.IoUtils;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.asset.StringAsset;
+import org.jboss.shrinkwrap.api.exporter.ExplodedExporter;
+import org.jboss.shrinkwrap.api.exporter.ZipExporter;
+import org.jboss.shrinkwrap.api.spec.JavaArchive;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+//see https://github.com/quarkusio/quarkus/issues/10943
+public class ClassLoadingResourceUrlTestCase {
+
+    /**
+     * URLClassLoader will return URL's that end with a / if the call to getResource ends with a /
+     */
+    @Test
+    public void testUrlReturnedFromClassLoaderDirectory() throws Exception {
+        JavaArchive jar = ShrinkWrap.create(JavaArchive.class)
+                .add(new StringAsset("a"), "a.txt")
+                .add(new StringAsset("b"), "b/b.txt");
+        Path path = Files.createTempDirectory("test");
+        try {
+            jar.as(ExplodedExporter.class).exportExploded(path.toFile(), "tmp");
+
+            ClassLoader cl = QuarkusClassLoader.builder("test", getClass().getClassLoader(), false)
+                    .addElement(new DirectoryClassPathElement(path.resolve("tmp")))
+                    .build();
+            URL res = cl.getResource("a.txt");
+            Assertions.assertNotNull(res);
+            res = cl.getResource("a.txt/");
+            Assertions.assertNull(res);
+
+            res = cl.getResource("b");
+            Assertions.assertNotNull(res);
+            Assertions.assertFalse(res.toExternalForm().endsWith("/"));
+
+            res = cl.getResource("b/");
+            Assertions.assertNotNull(res);
+            Assertions.assertTrue(res.toExternalForm().endsWith("/"));
+
+        } finally {
+            IoUtils.recursiveDelete(path);
+        }
+    }
+
+    /**
+     * URLClassLoader will return URL's that end with a / if the call to getResource ends with a /
+     */
+    @Test
+    public void testUrlReturnedFromClassLoaderJarFile() throws Exception {
+        JavaArchive jar = ShrinkWrap.create(JavaArchive.class)
+                .add(new StringAsset("a"), "a.txt")
+                .add(new StringAsset("b"), "b/b.txt");
+        Path path = Files.createTempFile("test", "quarkus-test.jar");
+        try {
+            jar.as(ZipExporter.class).exportTo(path.toFile(), true);
+
+            ClassLoader cl = QuarkusClassLoader.builder("test", getClass().getClassLoader(), false)
+                    .addElement(new JarClassPathElement(path))
+                    .build();
+            URL res = cl.getResource("a.txt");
+            Assertions.assertNotNull(res);
+            res = cl.getResource("a.txt/");
+            Assertions.assertNull(res);
+
+            res = cl.getResource("b");
+            Assertions.assertNotNull(res);
+            Assertions.assertFalse(res.toExternalForm().endsWith("/"));
+
+            res = cl.getResource("b/");
+            Assertions.assertNotNull(res);
+            Assertions.assertTrue(res.toExternalForm().endsWith("/"));
+
+        } finally {
+            IoUtils.recursiveDelete(path);
+        }
+    }
+}