Implement Bus and ObjectProxy classes for our D-Bus library.

dbus/end_to_end_sync_unittest.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "dbus/bus.h"
+#include "dbus/message.h"
+#include "dbus/object_proxy.h"
+#include "dbus/test_service.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// The end-to-end test exercises the synchronos APIs in ObjectProxy and
+// ExportedObject. The test will launch a thread for the service side
+// operations (i.e. ExportedObject side).
+class EndToEndSyncTest : public testing::Test {
+ public:
+  EndToEndSyncTest() {
+  }
+
+  void SetUp() {
+    // Start the test service;
+    test_service_.reset(new dbus::TestService);
+    test_service_->StartService();
+    test_service_->WaitUntilServiceIsStarted();
+
+    // Create the client.
+    dbus::Bus::Options client_bus_options;
+    client_bus_options.bus_type = dbus::Bus::SESSION;
+    client_bus_options.connection_type = dbus::Bus::PRIVATE;
+    client_bus_ = new dbus::Bus(client_bus_options);
+    object_proxy_ = client_bus_->GetObjectProxy("org.chromium.TestService",
+                                                "/org/chromium/TestObject");
+  }
+
+  void TearDown() {
+    test_service_->Stop();
+    client_bus_->ShutdownAndBlock();
+  }
+
+ protected:
+  scoped_ptr<dbus::TestService> test_service_;
+  scoped_refptr<dbus::Bus> client_bus_;
+  dbus::ObjectProxy* object_proxy_;
+};
+
+TEST_F(EndToEndSyncTest, Echo) {
+  const std::string kHello = "hello";
+
+  // Create the method call.
+  dbus::MethodCall method_call("org.chromium.TestInterface", "Echo");
+  dbus::MessageWriter writer(&method_call);
+  writer.AppendString(kHello);
+
+  // Call the method.
+  dbus::Response response;
+  const int timeout_ms = dbus::ObjectProxy::TIMEOUT_USE_DEFAULT;
+  const bool success =
+      object_proxy_->CallMethodAndBlock(&method_call, timeout_ms, &response);
+  ASSERT_TRUE(success);
+
+  // Check the response. kHello should be echoed back.
+  dbus::MessageReader reader(&response);
+  std::string returned_message;
+  ASSERT_TRUE(reader.PopString(&returned_message));
+  EXPECT_EQ(kHello, returned_message);
+}
+
+TEST_F(EndToEndSyncTest, Timeout) {
+  const std::string kHello = "hello";
+
+  // Create the method call.
+  dbus::MethodCall method_call("org.chromium.TestInterface", "DelayedEcho");
+  dbus::MessageWriter writer(&method_call);
+  writer.AppendString(kHello);
+
+  // Call the method with timeout smaller than TestService::kSlowEchoSleepMs.
+  dbus::Response response;
+  const int timeout_ms = dbus::TestService::kSlowEchoSleepMs / 10;
+  const bool success =
+      object_proxy_->CallMethodAndBlock(&method_call, timeout_ms, &response);
+  // Should fail because of timeout.
+  ASSERT_FALSE(success);
+}
+
+TEST_F(EndToEndSyncTest, NonexistentMethod) {
+  dbus::MethodCall method_call("org.chromium.TestInterface", "Nonexistent");
+
+  dbus::Response response;
+  const int timeout_ms = dbus::ObjectProxy::TIMEOUT_USE_DEFAULT;
+  const bool success =
+      object_proxy_->CallMethodAndBlock(&method_call, timeout_ms, &response);
+  ASSERT_FALSE(success);
+}
+
+TEST_F(EndToEndSyncTest, BrokenMethod) {
+  dbus::MethodCall method_call("org.chromium.TestInterface", "BrokenMethod");
+
+  dbus::Response response;
+  const int timeout_ms = dbus::ObjectProxy::TIMEOUT_USE_DEFAULT;
+  const bool success =
+      object_proxy_->CallMethodAndBlock(&method_call, timeout_ms, &response);
+  ASSERT_FALSE(success);
+}