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diff --git a/java/src/test/java/com/google/protobuf/ServiceTest.java b/java/src/test/java/com/google/protobuf/ServiceTest.java
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.
+// http://code.google.com/p/protobuf/
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.protobuf;
+
+import protobuf_unittest.UnittestProto.TestService;
+import protobuf_unittest.UnittestProto.FooRequest;
+import protobuf_unittest.UnittestProto.FooResponse;
+import protobuf_unittest.UnittestProto.BarRequest;
+import protobuf_unittest.UnittestProto.BarResponse;
+
+import org.easymock.classextension.EasyMock;
+import org.easymock.classextension.IMocksControl;
+import org.easymock.IArgumentMatcher;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests services and stubs.
+ *
+ * @author kenton@google.com Kenton Varda
+ */
+public class ServiceTest extends TestCase {
+ private IMocksControl control;
+ private RpcController mockController;
+
+ private final Descriptors.MethodDescriptor fooDescriptor =
+ TestService.getDescriptor().getMethods().get(0);
+ private final Descriptors.MethodDescriptor barDescriptor =
+ TestService.getDescriptor().getMethods().get(1);
+
+ protected void setUp() throws Exception {
+ super.setUp();
+ control = EasyMock.createStrictControl();
+ mockController = control.createMock(RpcController.class);
+ }
+
+ // =================================================================
+
+ /** Tests Service.callMethod(). */
+ public void testCallMethod() throws Exception {
+ FooRequest fooRequest = FooRequest.newBuilder().build();
+ BarRequest barRequest = BarRequest.newBuilder().build();
+ MockCallback<Message> fooCallback = new MockCallback<Message>();
+ MockCallback<Message> barCallback = new MockCallback<Message>();
+ TestService mockService = control.createMock(TestService.class);
+
+ mockService.foo(EasyMock.same(mockController), EasyMock.same(fooRequest),
+ this.<FooResponse>wrapsCallback(fooCallback));
+ mockService.bar(EasyMock.same(mockController), EasyMock.same(barRequest),
+ this.<BarResponse>wrapsCallback(barCallback));
+ control.replay();
+
+ mockService.callMethod(fooDescriptor, mockController,
+ fooRequest, fooCallback);
+ mockService.callMethod(barDescriptor, mockController,
+ barRequest, barCallback);
+ control.verify();
+ }
+
+ /** Tests Service.get{Request,Response}Prototype(). */
+ public void testGetPrototype() throws Exception {
+ TestService mockService = control.createMock(TestService.class);
+
+ assertSame(mockService.getRequestPrototype(fooDescriptor),
+ FooRequest.getDefaultInstance());
+ assertSame(mockService.getResponsePrototype(fooDescriptor),
+ FooResponse.getDefaultInstance());
+ assertSame(mockService.getRequestPrototype(barDescriptor),
+ BarRequest.getDefaultInstance());
+ assertSame(mockService.getResponsePrototype(barDescriptor),
+ BarResponse.getDefaultInstance());
+ }
+
+ /** Tests generated stubs. */
+ public void testStub() throws Exception {
+ FooRequest fooRequest = FooRequest.newBuilder().build();
+ BarRequest barRequest = BarRequest.newBuilder().build();
+ MockCallback<FooResponse> fooCallback = new MockCallback<FooResponse>();
+ MockCallback<BarResponse> barCallback = new MockCallback<BarResponse>();
+ RpcChannel mockChannel = control.createMock(RpcChannel.class);
+ TestService stub = TestService.newStub(mockChannel);
+
+ mockChannel.callMethod(
+ EasyMock.same(fooDescriptor),
+ EasyMock.same(mockController),
+ EasyMock.same(fooRequest),
+ EasyMock.same(FooResponse.getDefaultInstance()),
+ this.<Message>wrapsCallback(fooCallback));
+ mockChannel.callMethod(
+ EasyMock.same(barDescriptor),
+ EasyMock.same(mockController),
+ EasyMock.same(barRequest),
+ EasyMock.same(BarResponse.getDefaultInstance()),
+ this.<Message>wrapsCallback(barCallback));
+ control.replay();
+
+ stub.foo(mockController, fooRequest, fooCallback);
+ stub.bar(mockController, barRequest, barCallback);
+ control.verify();
+ }
+
+ // =================================================================
+
+ /**
+ * wrapsCallback() is an EasyMock argument predicate. wrapsCallback(c)
+ * matches a callback if calling that callback causes c to be called.
+ * In other words, c wraps the given callback.
+ */
+ private <Type extends Message> RpcCallback<Type> wrapsCallback(
+ MockCallback callback) {
+ EasyMock.reportMatcher(new WrapsCallback(callback));
+ return null;
+ }
+
+ /** The parameter to wrapsCallback() must be a MockCallback. */
+ private static class MockCallback<Type extends Message>
+ implements RpcCallback<Type> {
+ private boolean called = false;
+
+ public boolean isCalled() { return called; }
+
+ public void reset() { called = false; }
+ public void run(Type message) { called = true; }
+ }
+
+ /** Implementation of the wrapsCallback() argument matcher. */
+ private static class WrapsCallback implements IArgumentMatcher {
+ private MockCallback callback;
+
+ public WrapsCallback(MockCallback callback) {
+ this.callback = callback;
+ }
+
+ @SuppressWarnings("unchecked")
+ public boolean matches(Object actual) {
+ if (!(actual instanceof RpcCallback)) {
+ return false;
+ }
+ RpcCallback actualCallback = (RpcCallback)actual;
+
+ callback.reset();
+ actualCallback.run(null);
+ return callback.isCalled();
+ }
+
+ public void appendTo(StringBuffer buffer) {
+ buffer.append("wrapsCallback(mockCallback)");
+ }
+ }
+}