package org.testng.internal;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.testng.IClass;
import org.testng.IInstanceInfo;
import org.testng.IObjectFactory;
import org.testng.ITestContext;
import org.testng.TestNGException;
import org.testng.annotations.IAnnotation;
import org.testng.collections.Lists;
import org.testng.collections.Maps;
import org.testng.internal.annotations.AnnotationHelper;
import org.testng.internal.annotations.IAnnotationFinder;
import org.testng.xml.XmlClass;
import org.testng.xml.XmlTest;
/**
* This class creates an ITestClass from a test class.
*
* @author <a href="mailto:cedric@beust.com">Cedric Beust</a>
*/
public class TestNGClassFinder extends BaseClassFinder {
private ITestContext m_testContext = null;
private Map<Class, List<Object>> m_instanceMap = Maps.newHashMap();
public TestNGClassFinder(ClassInfoMap cim,
Map<Class, List<Object>> instanceMap,
XmlTest xmlTest,
IAnnotationFinder annotationFinder,
ITestContext testContext)
{
m_testContext = testContext;
if(null == instanceMap) {
instanceMap= Maps.newHashMap();
}
//
// Find all the new classes and their corresponding instances
//
Set<Class<?>> allClasses= cim.getClasses();
IObjectFactory objectFactory = testContext.getSuite().getObjectFactory();
//very first pass is to find ObjectFactory, can't create anything else until then
if(objectFactory == null) {
objectFactory = new ObjectFactoryImpl();
outer:
for (Class cls : allClasses)
try {
if (null != cls) {
for (Method m : cls.getMethods()) {
IAnnotation a = annotationFinder.findAnnotation(m,
org.testng.annotations.IObjectFactoryAnnotation.class);
if (null != a) {
if (!IObjectFactory.class.isAssignableFrom(m.getReturnType())) {
throw new TestNGException("Return type of " + m + " is not IObjectFactory");
}
try {
Object instance = cls.newInstance();
if (m.getParameterTypes().length > 0 && m.getParameterTypes()[0].equals(ITestContext.class)) {
objectFactory = (IObjectFactory) m.invoke(instance, testContext);
} else {
objectFactory = (IObjectFactory) m.invoke(instance);
}
break outer;
}
catch (Exception ex) {
throw new TestNGException("Error creating object factory", ex);
}
}
}
}
} catch (NoClassDefFoundError e) {
Utils.log("[TestNGClassFinder]", 1, "Unable to read methods on class " + cls.getName() + " - unable to resolve class reference " + e.getMessage());
for (Iterator<XmlClass> iterator = xmlTest.getXmlClasses().iterator(); iterator.hasNext();) {
XmlClass xmlClass = iterator.next();
if (xmlClass.getDeclaredClass() == Boolean.TRUE && xmlClass.getName().equals(cls.getName())) {
throw e;
}
}
}
}
for(Class cls : allClasses) {
if((null == cls)) {
ppp("FOUND NULL CLASS IN FOLLOWING ARRAY:");
int i= 0;
for(Class c : allClasses) {
ppp(" " + i + ": " + c);
}
continue;
}
if(isTestNGClass(cls, annotationFinder)) {
List allInstances= instanceMap.get(cls);
Object thisInstance= (null != allInstances) ? allInstances.get(0) : null;
// If annotation class and instances are abstract, skip them
if ((null == thisInstance) && Modifier.isAbstract(cls.getModifiers())) {
Utils.log("", 5, "[WARN] Found an abstract class with no valid instance attached: " + cls);
continue;
}
IClass ic= findOrCreateIClass(cls, cim.getXmlClass(cls), thisInstance,
xmlTest, annotationFinder, objectFactory);
if(null != ic) {
Object[] theseInstances = ic.getInstances(false);
if (theseInstances.length == 0) {
theseInstances = ic.getInstances(true);
}
Object instance= theseInstances[0];
putIClass(cls, ic);
Method factoryMethod= ClassHelper.findFactoryMethod(cls, annotationFinder);
if(null != factoryMethod) {
FactoryMethod fm= new FactoryMethod( /* cls, */
factoryMethod,
instance,
xmlTest,
annotationFinder,
m_testContext);
ClassInfoMap moreClasses = new ClassInfoMap();
{
// ppp("INVOKING FACTORY " + fm + " " + this.hashCode());
Object[] instances= fm.invoke();
//
// If the factory returned IInstanceInfo, get the class from it,
// otherwise, just call getClass() on the returned instances
//
if (instances.length > 0) {
Class elementClass = instances[0].getClass();
if(IInstanceInfo.class.isAssignableFrom(elementClass)) {
for(Object o : instances) {
IInstanceInfo ii = (IInstanceInfo) o;
addInstance(ii.getInstanceClass(), ii.getInstance());
moreClasses.addClass(ii.getInstanceClass());
}
}
else {
for(Object o : instances) {
addInstance(o.getClass(), o);
if(!classExists(o.getClass())) {
moreClasses.addClass(o.getClass());
}
}
}
}
}
if(moreClasses.getSize() > 0) {
TestNGClassFinder finder=
new TestNGClassFinder(moreClasses,
m_instanceMap,
xmlTest,
annotationFinder,
m_testContext);
IClass[] moreIClasses= finder.findTestClasses();
for(IClass ic2 : moreIClasses) {
putIClass(ic2.getRealClass(), ic2);
}
} // if moreClasses.size() > 0
}
} // null != ic
} // if not TestNG class
else {
Utils.log("TestNGClassFinder", 3, "SKIPPING CLASS " + cls + " no TestNG annotations found");
}
} // for
//
// Add all the instances we found to their respective IClasses
//
for(Class c : m_instanceMap.keySet()) {
List<Object> instances= m_instanceMap.get(c);
for(Object instance : instances) {
IClass ic= getIClass(c);
if(null != ic) {
ic.addInstance(instance);
}
}
}
}
/**
* Checks if class is a testng class based on the {@link IAnnotationFinder}
* passed in, which may be a jdk14 or jdk15 {@link IAnnotationFinder} instance.
* @param cls The class being tested
* @param annotationFinder The instance of annotation finder being used
* @return True if class has any testng annotations
*/
public static boolean isTestNGClass(Class cls, IAnnotationFinder annotationFinder) {
Class[] allAnnotations= AnnotationHelper.getAllAnnotations();
try {
for(Class annotation : allAnnotations) {
// Try on the methods
for(Method m : cls.getMethods()) {
IAnnotation ma= annotationFinder.findAnnotation(m, annotation);
if(null != ma) {
return true;
}
}
// Try on the class
IAnnotation a= annotationFinder.findAnnotation(cls, annotation);
if(null != a) {
return true;
}
// Try on the constructors
for(Constructor ctor : cls.getConstructors()) {
IAnnotation ca= annotationFinder.findAnnotation(ctor, annotation);
if(null != ca) {
return true;
}
}
}
return false;
} catch (NoClassDefFoundError e) {
Utils.log("[TestNGClassFinder]", 1, "Unable to read methods on class " + cls.getName() + " - unable to resolve class reference " + e.getMessage());
return false;
}
}
private void addInstance(Class clazz, Object o) {
List<Object> list= m_instanceMap.get(clazz);
if(null == list) {
list= Lists.newArrayList();
m_instanceMap.put(clazz, list);
}
list.add(o);
}
public static void ppp(String s) {
System.out.println("[TestNGClassFinder] " + s);
}
}