X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.core%2Fsrc%2Forg%2Fargeo%2Futil%2FTester.java;fp=org.argeo.core%2Fsrc%2Forg%2Fargeo%2Futil%2FTester.java;h=31a2be4ec7c5df2c3885c22f9bb2a157356dc853;hb=8c2f9a6ead2db97e1713f2ec5e486ce7c45fbc13;hp=0000000000000000000000000000000000000000;hpb=72788789268d2ac01dcb817d134c057307ba6de8;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.core/src/org/argeo/util/Tester.java b/org.argeo.core/src/org/argeo/util/Tester.java
new file mode 100644
index 000000000..31a2be4ec
--- /dev/null
+++ b/org.argeo.core/src/org/argeo/util/Tester.java
@@ -0,0 +1,126 @@
+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]";
+
+	}
+}