--- /dev/null
+package org.argeo.util;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+/** A generic tester based on Java assertions and functional programming. */
+public class Tester {
+ private Map<String, TesterStatus> results = Collections.synchronizedSortedMap(new TreeMap<>());
+
+ private ClassLoader classLoader;
+
+ /** Use {@link Thread#getContextClassLoader()} by default. */
+ public Tester() {
+ this(Thread.currentThread().getContextClassLoader());
+ }
+
+ public Tester(ClassLoader classLoader) {
+ this.classLoader = classLoader;
+ }
+
+ public void execute(String className) {
+ Class<?> clss;
+ try {
+ clss = classLoader.loadClass(className);
+ boolean assertionsEnabled = clss.desiredAssertionStatus();
+ if (!assertionsEnabled)
+ throw new IllegalStateException("Test runner " + getClass().getName()
+ + " requires Java assertions to be enabled. Call the JVM with the -ea argument.");
+ } catch (Exception e1) {
+ throw new IllegalArgumentException("Cannot initalise test for " + className, e1);
+
+ }
+ List<Method> methods = findMethods(clss);
+ if (methods.size() == 0)
+ throw new IllegalArgumentException("No test method found in " + clss);
+ // TODO make order more predictable?
+ for (Method method : methods) {
+ String uid = method.getDeclaringClass().getName() + "#" + method.getName();
+ TesterStatus testStatus = new TesterStatus(uid);
+ Object obj = null;
+ try {
+ beforeTest(uid, method);
+ obj = clss.getDeclaredConstructor().newInstance();
+ method.invoke(obj);
+ testStatus.setPassed();
+ afterTestPassed(uid, method, obj);
+ } catch (Exception e) {
+ testStatus.setFailed(e);
+ afterTestFailed(uid, method, obj, e);
+ } finally {
+ results.put(uid, testStatus);
+ }
+ }
+ }
+
+ protected void beforeTest(String uid, Method method) {
+ // System.out.println(uid + ": STARTING");
+ }
+
+ protected void afterTestPassed(String uid, Method method, Object obj) {
+ System.out.println(uid + ": PASSED");
+ }
+
+ protected void afterTestFailed(String uid, Method method, Object obj, Throwable e) {
+ System.out.println(uid + ": FAILED");
+ e.printStackTrace();
+ }
+
+ protected List<Method> findMethods(Class<?> clss) {
+ List<Method> methods = new ArrayList<Method>();
+// Method call = getMethod(clss, "call");
+// if (call != null)
+// methods.add(call);
+//
+ for (Method method : clss.getMethods()) {
+ if (method.getName().startsWith("test")) {
+ methods.add(method);
+ }
+ }
+ return methods;
+ }
+
+ protected Method getMethod(Class<?> clss, String name, Class<?>... parameterTypes) {
+ try {
+ return clss.getMethod(name, parameterTypes);
+ } catch (NoSuchMethodException e) {
+ return null;
+ } catch (SecurityException e) {
+ throw new IllegalStateException(e);
+ }
+ }
+
+ public static void main(String[] args) {
+ // deal with arguments
+ String className;
+ if (args.length < 1) {
+ System.err.println(usage());
+ System.exit(1);
+ throw new IllegalArgumentException();
+ } else {
+ className = args[0];
+ }
+
+ Tester test = new Tester();
+ try {
+ test.execute(className);
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+
+ Map<String, TesterStatus> r = test.results;
+ for (String uid : r.keySet()) {
+ TesterStatus testStatus = r.get(uid);
+ System.out.println(testStatus);
+ }
+ }
+
+ public static String usage() {
+ return "java " + Tester.class.getName() + " [test class name]";
+
+ }
+}