1 // Copyright 2012 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
7 #include "base/memory/raw_ptr.h"
8 #include "base/memory/ref_counted.h"
9 #include "base/run_loop.h"
10 #include "base/test/task_environment.h"
12 #include "dbus/message.h"
13 #include "dbus/object_path.h"
14 #include "dbus/object_proxy.h"
15 #include "dbus/test_service.h"
16 #include "testing/gtest/include/gtest/gtest.h"
20 // The end-to-end test exercises the synchronous APIs in ObjectProxy and
21 // ExportedObject. The test will launch a thread for the service side
22 // operations (i.e. ExportedObject side).
23 class EndToEndSyncTest : public testing::Test {
25 EndToEndSyncTest() = default;
27 void SetUp() override {
28 // Start the test service;
29 TestService::Options options;
30 test_service_ = std::make_unique<TestService>(options);
31 ASSERT_TRUE(test_service_->StartService());
32 test_service_->WaitUntilServiceIsStarted();
33 ASSERT_FALSE(test_service_->HasDBusThread());
36 Bus::Options client_bus_options;
37 client_bus_options.bus_type = Bus::SESSION;
38 client_bus_options.connection_type = Bus::PRIVATE;
39 client_bus_ = new Bus(client_bus_options);
40 object_proxy_ = client_bus_->GetObjectProxy(
41 test_service_->service_name(),
42 ObjectPath("/org/chromium/TestObject"));
43 ASSERT_FALSE(client_bus_->HasDBusThread());
46 void TearDown() override {
47 test_service_->ShutdownAndBlock();
48 test_service_->Stop();
49 client_bus_->ShutdownAndBlock();
53 base::test::SingleThreadTaskEnvironment task_environment_{
54 base::test::SingleThreadTaskEnvironment::MainThreadType::IO};
55 std::unique_ptr<TestService> test_service_;
56 scoped_refptr<Bus> client_bus_;
57 raw_ptr<ObjectProxy, DanglingUntriaged> object_proxy_;
60 TEST_F(EndToEndSyncTest, Echo) {
61 const std::string kHello = "hello";
63 // Create the method call.
64 MethodCall method_call("org.chromium.TestInterface", "Echo");
65 MessageWriter writer(&method_call);
66 writer.AppendString(kHello);
69 const int timeout_ms = ObjectProxy::TIMEOUT_USE_DEFAULT;
70 auto result = object_proxy_->CallMethodAndBlock(&method_call, timeout_ms);
71 ASSERT_TRUE(result.has_value());
73 // Check the response. kHello should be echoed back.
74 MessageReader reader(result->get());
75 std::string returned_message;
76 ASSERT_TRUE(reader.PopString(&returned_message));
77 EXPECT_EQ(kHello, returned_message);
80 TEST_F(EndToEndSyncTest, Timeout) {
81 const std::string kHello = "hello";
83 // Create the method call.
84 MethodCall method_call("org.chromium.TestInterface", "DelayedEcho");
85 MessageWriter writer(&method_call);
86 writer.AppendString(kHello);
88 // Call the method with timeout of 0ms.
89 const int timeout_ms = 0;
90 auto result = object_proxy_->CallMethodAndBlock(&method_call, timeout_ms);
91 // Should fail because of timeout.
92 ASSERT_FALSE(result.has_value());
95 TEST_F(EndToEndSyncTest, NonexistentMethod) {
96 MethodCall method_call("org.chromium.TestInterface", "Nonexistent");
98 const int timeout_ms = ObjectProxy::TIMEOUT_USE_DEFAULT;
99 auto result = object_proxy_->CallMethodAndBlock(&method_call, timeout_ms);
100 ASSERT_FALSE(result.has_value());
103 TEST_F(EndToEndSyncTest, BrokenMethod) {
104 MethodCall method_call("org.chromium.TestInterface", "BrokenMethod");
106 const int timeout_ms = ObjectProxy::TIMEOUT_USE_DEFAULT;
107 auto result = object_proxy_->CallMethodAndBlock(&method_call, timeout_ms);
108 ASSERT_FALSE(result.has_value());
111 TEST_F(EndToEndSyncTest, InvalidServiceName) {
112 // Bus name cannot contain '/'.
113 const std::string invalid_service_name = ":1/2";
115 // Replace object proxy with new one.
116 object_proxy_ = client_bus_->GetObjectProxy(
117 invalid_service_name, ObjectPath("/org/chromium/TestObject"));
119 MethodCall method_call("org.chromium.TestInterface", "Echo");
121 const int timeout_ms = ObjectProxy::TIMEOUT_USE_DEFAULT;
122 auto result = object_proxy_->CallMethodAndBlock(&method_call, timeout_ms);
123 ASSERT_FALSE(result.has_value());
126 TEST_F(EndToEndSyncTest, ConnectToSignalAndBlock) {
127 constexpr char kMessage[] = "hello";
128 base::RunLoop run_loop;
129 std::string test_signal_string;
130 EXPECT_TRUE(object_proxy_->ConnectToSignalAndBlock(
131 "org.chromium.TestInterface", "Test",
133 [](base::OnceClosure quit_closure, std::string* return_string,
135 MessageReader reader(signal);
136 ASSERT_TRUE(reader.PopString(return_string));
137 std::move(quit_closure).Run();
139 run_loop.QuitClosure(), &test_signal_string)));
140 test_service_->SendTestSignal(kMessage);
142 EXPECT_EQ(test_signal_string, kMessage);
143 // Ensure resources on the DBus thread are cleaned up.
144 task_environment_.RunUntilIdle();