private static void reregisterNativeMethodsForRestoredClass(@Nonnull Class<?> realClass) {
Method registerNatives = null;
try {
registerNatives = realClass.getDeclaredMethod("registerNatives");
} catch (NoSuchMethodException ignore) {
try {
registerNatives = realClass.getDeclaredMethod("initIDs");
} catch (NoSuchMethodException ignored) {
} // OK
}
if (registerNatives != null) {
try {
registerNatives.setAccessible(true);
registerNatives.invoke(null);
} catch (IllegalAccessException ignore) {
} // won't happen
catch (InvocationTargetException ignore) {
} // shouldn't happen either
}
// OK, although another solution will be required for this particular class if it requires
// natives to be explicitly registered again (not all do, such as java.lang.Float).
}
@Nullable
public InstanceFactory findInstanceFactory(@Nonnull Type mockedType) {
InstanceFactory instanceFactory = mockedTypesAndInstances.get(mockedType);
if (instanceFactory != null) {
return instanceFactory;
}
Class<?> mockedClass = getClassType(mockedType);
//noinspection ReuseOfLocalVariable
instanceFactory = mockedTypesAndInstances.get(mockedClass);
if (instanceFactory != null) {
return instanceFactory;
}
boolean abstractType = mockedClass.isInterface() || isAbstract(mockedClass.getModifiers());
for (Entry<Type, InstanceFactory> entry : mockedTypesAndInstances.entrySet()) {
Type registeredMockedType = entry.getKey();
Class<?> registeredMockedClass = getClassType(registeredMockedType);
if (abstractType) {
registeredMockedClass = getMockedClassOrInterfaceType(registeredMockedClass);
}
if (mockedClass.isAssignableFrom(registeredMockedClass)) {
instanceFactory = entry.getValue();
break;
}
}
return instanceFactory;
}
/**
* Sets up the mocks defined in the given mock class.
*
* <p>If the type {@linkplain MockClass#realClass referred to} by the mock class is actually an
* interface, then a {@linkplain #newEmptyProxy(ClassLoader, Class) new empty proxy} is created.
*
* @param mockClassOrInstance the mock class itself (given by its {@code Class} literal), or an
* instance of the mock class
* @return the new proxy instance created for the mocked interface, or {@code null} otherwise
* @throws IllegalArgumentException if a given mock class fails to specify the corresponding real
* class using the {@code @MockClass(realClass = ...)} annotation; or if a mock class defines
* a mock method for which no corresponding real method or constructor exists in the real
* class; or if the real method matching a mock method is {@code abstract}
* @see #setUpMock(Class, Object)
* @see #setUpMocks(Object...)
* @see <a
* href="http://code.google.com/p/jmockit/source/browse/trunk/main/test/mockit/MockAnnotationsTest.java#696">
* Example</a>
*/
public static <T> T setUpMock(Object mockClassOrInstance) {
Class<?> mockClass;
Object mock;
if (mockClassOrInstance instanceof Class<?>) {
mockClass = (Class<?>) mockClassOrInstance;
mock = null;
} else {
mockClass = mockClassOrInstance.getClass();
mock = mockClassOrInstance;
}
MockClassSetup setup = new MockClassSetup(mock, mockClass);
Class<?> realClass = setup.getRealClass();
T proxy = null;
if (realClass.isInterface()) {
//noinspection unchecked
proxy = (T) newEmptyProxy(mockClass.getClassLoader(), realClass);
setup.setRealClass(proxy.getClass());
}
setup.redefineMethods();
return proxy;
}
/**
* Given a mix of {@linkplain MockClass mock} and real classes, {@linkplain #setUpMock(Class,
* Class) sets up} each mock class for the associated real class, and {@linkplain #stubOut stubs
* out} each specified regular class.
*
* @param mockAndRealClasses one or more mock classes and/or regular classes to be stubbed out
*/
public static void setUpMocksAndStubs(Class<?>... mockAndRealClasses) {
for (Class<?> mockOrRealClass : mockAndRealClasses) {
MockClass metadata = mockOrRealClass.getAnnotation(MockClass.class);
if (metadata != null) {
new MockClassSetup(mockOrRealClass, metadata).redefineMethods();
} else {
new ClassStubbing(mockOrRealClass).stubOut();
}
}
}
public boolean isMockedClass(@Nonnull String targetClassName) {
int n = mockedClasses.size();
for (int i = 0; i < n; i++) {
Class<?> mockedClass = mockedClasses.get(i);
if (targetClassName.equals(mockedClass.getName())) {
return true;
}
}
return false;
}
private void restoreDefinition(@Nonnull Class<?> redefinedClass) {
if (redefinedClassesWithNativeMethods.contains(redefinedClass.getName())) {
reregisterNativeMethodsForRestoredClass(redefinedClass);
}
removeMockedClass(redefinedClass);
}
public void registerMockedClass(@Nonnull Class<?> mockedType) {
if (!isMockedClass(mockedType)) {
if (Proxy.isProxyClass(mockedType)) {
mockedType = mockedType.getInterfaces()[0];
}
mockedClasses.add(mockedType);
}
}
private Method findPublicVoidMethod(Class<?> aClass, String methodName) {
for (Method method : aClass.getDeclaredMethods()) {
if (isPublic(method.getModifiers())
&& method.getReturnType() == void.class
&& methodName.equals(method.getName())) {
return method;
}
}
return null;
}
/**
* The instance is stored in a place directly accessible through the Java SE API, so that it can
* be recovered from any class loader.
*/
protected MockingBridge(Class<? extends MockingBridge> subclass) {
super("mockit." + subclass.hashCode(), null);
LogManager.getLogManager().addLogger(this);
}
public static void preventEventualClassLoadingConflicts() {
// Pre-load certain JMockit classes to avoid NoClassDefFoundError's or re-entrancy loops during
// class loading
// when certain JRE classes are mocked, such as ArrayList or Thread.
try {
Class.forName("mockit.Capturing");
Class.forName("mockit.Delegate");
Class.forName("mockit.Invocation");
Class.forName("mockit.internal.RedefinitionEngine");
Class.forName("mockit.internal.util.GeneratedClasses");
Class.forName("mockit.internal.util.MethodReflection");
Class.forName("mockit.internal.util.ObjectMethods");
Class.forName("mockit.internal.util.TypeDescriptor");
Class.forName("mockit.internal.expectations.RecordAndReplayExecution");
Class.forName("mockit.internal.expectations.invocation.InvocationResults");
Class.forName("mockit.internal.expectations.invocation.MockedTypeCascade");
Class.forName("mockit.internal.expectations.mocking.BaseTypeRedefinition$MockedClass");
Class.forName("mockit.internal.expectations.mocking.SharedFieldTypeRedefinitions");
Class.forName("mockit.internal.expectations.mocking.TestedClasses");
Class.forName("mockit.internal.expectations.argumentMatching.EqualityMatcher");
} catch (ClassNotFoundException ignore) {
}
wasCalledDuringClassLoading();
DefaultValues.computeForReturnType("()J");
}
/**
* Same as {@link #newEmptyProxy(ClassLoader, Class)}, but with the class loader obtained from the
* interface to be proxied. Note that this may lead to a {@code NoClassDefFoundError} if that
* interface was loaded by the boot class loader (usually, when it's a JRE class). Therefore, you
* should only use this method for application-defined interfaces.
*
* <p>This method is just a convenience for some uses of the <em>Mockups</em> API. In <em>JMockit
* Expectations</em> in particular, mocked instances will be automatically created and assigned to
* any mock fields or parameters.
*
* @see <a
* href="http://code.google.com/p/jmockit/source/browse/trunk/main/test/integrationTests/textFile/TextFileUsingAnnotatedMockClassesTest.java#91">
* Example</a>
*/
public static <E> E newEmptyProxy(Class<E> interfaceToBeProxied) {
return newEmptyProxy(interfaceToBeProxied.getClassLoader(), interfaceToBeProxied);
}
