Index: chromeos/dbus/biod_biometrics_manager_client_unittest.cc |
diff --git a/chromeos/dbus/biod_biometrics_manager_client_unittest.cc b/chromeos/dbus/biod_biometrics_manager_client_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a4bc7d7d24eedd898ba5292e01247d876d9ce89f |
--- /dev/null |
+++ b/chromeos/dbus/biod_biometrics_manager_client_unittest.cc |
@@ -0,0 +1,327 @@ |
+// Copyright 2016 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 "chromeos/dbus/biod_biometrics_manager_client.h" |
+ |
+#include <map> |
+#include <string> |
+ |
+#include "base/bind.h" |
+#include "base/run_loop.h" |
+#include "dbus/mock_bus.h" |
+#include "dbus/mock_object_proxy.h" |
+#include "dbus/object_path.h" |
+#include "testing/gmock/include/gmock/gmock.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+using ::testing::_; |
+using ::testing::Invoke; |
+using ::testing::Return; |
+ |
+namespace chromeos { |
+ |
+namespace { |
+ |
+// Shorthand for a commonly-used constant. |
+const char* kInterface = biod::kBiometricsManagerInterface; |
+ |
+void CheckObjectPathCallback(const dbus::ObjectPath& expected_object_path, |
+ const dbus::ObjectPath& object_path) { |
+ EXPECT_EQ(expected_object_path, object_path); |
+} |
+ |
+void CheckObjectPathArrayCallback( |
+ const std::vector<dbus::ObjectPath>& expected_object_paths, |
+ const std::vector<dbus::ObjectPath>& object_paths) { |
+ EXPECT_EQ(expected_object_paths.size(), object_paths.size()); |
+ for (size_t i = 0; i < expected_object_paths.size(); ++i) |
+ EXPECT_EQ(expected_object_paths[i], object_paths[i]); |
+} |
+ |
+// Implementation of BiodBiometricsManagerClient::Observer. |
+class TestBiometricsObserver : public BiodBiometricsManagerClient::Observer { |
+ public: |
+ TestBiometricsObserver() {} |
+ ~TestBiometricsObserver() override {} |
+ |
+ int num_scan_received() const { return num_scan_received_; } |
+ int num_attempt_received() const { return num_attempt_received_; } |
+ int num_failure_received() const { return num_failure_received_; } |
+ |
+ // BiodBiometricsManagerClient::Observer: |
+ void ClientRestarted() override {} |
+ |
+ void EnrollScanDoneReceived(uint32_t scan_result, bool is_complete) override { |
+ num_scan_received_++; |
+ } |
+ |
+ void AuthScanDoneReceived(uint32_t scan_result, |
+ const AuthScanMatches& matches) override { |
+ num_attempt_received_++; |
+ } |
+ |
+ void ScanFailedReceived() override { num_failure_received_++; } |
+ |
+ private: |
+ int num_scan_received_ = 0; |
+ int num_attempt_received_ = 0; |
+ int num_failure_received_ = 0; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(TestBiometricsObserver); |
+}; |
+ |
+} // namespace |
+ |
+class BiodBiometricsManagerClientTest : public testing::Test { |
+ public: |
+ BiodBiometricsManagerClientTest() {} |
+ ~BiodBiometricsManagerClientTest() override {} |
+ |
+ void SetUp() override { |
+ dbus::Bus::Options options; |
+ options.bus_type = dbus::Bus::SYSTEM; |
+ bus_ = new dbus::MockBus(options); |
+ |
+ proxy_ = |
+ new dbus::MockObjectProxy(bus_.get(), biod::kBiodServiceName, |
+ dbus::ObjectPath(biod::kBiodServicePath)); |
+ |
+ // |client_|'s Init() method should request a proxy for communicating with |
+ // biometrics api. |
+ EXPECT_CALL(*bus_.get(), |
+ GetObjectProxy(biod::kBiodServiceName, |
+ dbus::ObjectPath(biod::kBiodServicePath))) |
+ .WillRepeatedly(Return(proxy_.get())); |
+ |
+ // Save |client_|'s signal callback. |
+ EXPECT_CALL(*proxy_.get(), ConnectToSignal(kInterface, _, _, _)) |
+ .WillRepeatedly( |
+ Invoke(this, &BiodBiometricsManagerClientTest::ConnectToSignal)); |
+ |
+ // |client_|'s Init() method should register methods. |
+ EXPECT_CALL(*proxy_.get(), CallMethod(_, _, _)) |
+ .WillRepeatedly( |
+ Invoke(this, &BiodBiometricsManagerClientTest::OnCallMethod)); |
+ |
+ client_.reset( |
+ BiodBiometricsManagerClient::Create(REAL_DBUS_CLIENT_IMPLEMENTATION)); |
+ client_->Init(bus_.get()); |
+ |
+ // Execute callbacks posted by Init(). |
+ base::RunLoop().RunUntilIdle(); |
+ } |
+ |
+ protected: |
+ // Set the values a method is expected to have when a dbus method is called. |
+ void SetExpectedMethodArguments(const std::string& expected_interface, |
+ const std::string& expected_name, |
+ dbus::Response* response) { |
+ expected_interface_ = expected_interface; |
+ expected_name_ = expected_name; |
+ expected_response_ = response; |
+ } |
+ |
+ // Synchronously passes |signal| to |client_|'s handler, simulating the signal |
+ // from biometrics. |
+ void EmitSignal(dbus::Signal* signal) { |
+ const std::string signal_name = signal->GetMember(); |
+ const auto it = signal_callbacks_.find(signal_name); |
+ ASSERT_TRUE(it != signal_callbacks_.end()) |
+ << "Client didn't register for signal " << signal_name; |
+ it->second.Run(signal); |
+ } |
+ |
+ // Passes a enroll scan done signal to |client_|. |
+ void EmitEnrollScanDoneSignal(uint32_t scan_result, bool is_complete) { |
+ dbus::Signal signal(kInterface, |
+ biod::kBiometricsManagerEnrollScanDoneSignal); |
+ dbus::MessageWriter writer(&signal); |
+ writer.AppendUint32(scan_result); |
+ writer.AppendBool(is_complete); |
+ EmitSignal(&signal); |
+ } |
+ |
+ // Passes a auth scan done signal to |client_|. |
+ void EmitAuthScanDoneSignal(uint32_t scan_result, |
+ const AuthScanMatches& matches) { |
+ dbus::Signal signal(kInterface, biod::kBiometricsManagerAuthScanDoneSignal); |
+ dbus::MessageWriter writer(&signal); |
+ writer.AppendUint32(scan_result); |
+ |
+ dbus::MessageWriter array_writer(NULL); |
+ writer.OpenArray("{sx}", &array_writer); |
+ for (auto& match : matches) { |
+ dbus::MessageWriter entry_writer(NULL); |
+ array_writer.OpenDictEntry(&entry_writer); |
+ entry_writer.AppendString(match.first); |
+ entry_writer.AppendArrayOfStrings(match.second); |
+ array_writer.CloseContainer(&entry_writer); |
+ } |
+ writer.CloseContainer(&array_writer); |
+ EmitSignal(&signal); |
+ } |
+ |
+ // Passes a scan failed signal to |client_|. |
+ void EmitScanFailedSignal() { |
+ dbus::Signal signal(kInterface, biod::kBiometricsManagerScanFailedSignal); |
+ EmitSignal(&signal); |
+ } |
+ |
+ std::string expected_interface_; |
+ std::string expected_name_; |
+ dbus::Response* expected_response_; |
+ |
+ base::MessageLoop message_loop_; |
+ |
+ // Mock bus and proxy for simulating calls. |
+ scoped_refptr<dbus::MockBus> bus_; |
+ scoped_refptr<dbus::MockObjectProxy> proxy_; |
+ |
+ std::unique_ptr<BiodBiometricsManagerClient> client_; |
+ |
+ // Maps from powerd signal name to the corresponding callback provided by |
+ // |client_|. |
+ std::map<std::string, dbus::ObjectProxy::SignalCallback> signal_callbacks_; |
+ |
+ private: |
+ // Handles calls to |proxy_|'s ConnectToSignal() method. |
+ void ConnectToSignal( |
+ const std::string& interface_name, |
+ const std::string& signal_name, |
+ dbus::ObjectProxy::SignalCallback signal_callback, |
+ dbus::ObjectProxy::OnConnectedCallback on_connected_callback) { |
+ EXPECT_EQ(interface_name, kInterface); |
+ signal_callbacks_[signal_name] = signal_callback; |
+ |
+ message_loop_.task_runner()->PostTask( |
+ FROM_HERE, base::Bind(on_connected_callback, interface_name, |
+ signal_name, true /* success */)); |
+ } |
+ |
+ // Handles calls to |proxy_|'s CallMethod(). |
+ void OnCallMethod(dbus::MethodCall* method_call, |
+ int timeout_ms, |
+ const dbus::ObjectProxy::ResponseCallback& callback) { |
+ EXPECT_EQ(expected_interface_, method_call->GetInterface()); |
+ EXPECT_EQ(expected_name_, method_call->GetMember()); |
+ |
+ message_loop_.task_runner()->PostTask( |
+ FROM_HERE, base::Bind(callback, expected_response_)); |
+ } |
+ |
+ DISALLOW_COPY_AND_ASSIGN(BiodBiometricsManagerClientTest); |
+}; |
+ |
+TEST_F(BiodBiometricsManagerClientTest, TestStartEnrollSession) { |
+ const std::string& fake_id("fakeId"); |
+ const std::string& fake_label("fakeLabel"); |
+ const dbus::ObjectPath& fake_object_path(std::string("/fake/object/path")); |
+ |
+ std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); |
+ dbus::MessageWriter writer(response.get()); |
+ writer.AppendObjectPath(fake_object_path); |
+ |
+ // Create a fake response with a fake object path. The start enroll |
+ // call should return this object path. |
+ SetExpectedMethodArguments(kInterface, |
+ biod::kBiometricsManagerStartEnrollSessionMethod, |
+ response.get()); |
+ client_->StartEnrollSession( |
+ fake_id, fake_label, |
+ base::Bind(&CheckObjectPathCallback, fake_object_path)); |
+} |
+ |
+TEST_F(BiodBiometricsManagerClientTest, TestGetRecordsForUser) { |
+ const std::string& fake_id("fakeId"); |
+ const dbus::ObjectPath& fake_object_path(std::string("/fake/object/path")); |
+ const dbus::ObjectPath& fake_object_path2(std::string("/fake/object/path2")); |
+ const std::vector<dbus::ObjectPath>& fake_object_paths = {fake_object_path, |
+ fake_object_path2}; |
+ |
+ std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); |
+ dbus::MessageWriter writer(response.get()); |
+ writer.AppendArrayOfObjectPaths(fake_object_paths); |
+ |
+ // Create a fake response with an array fake object paths. The get enrollments |
+ // call should return this array of object paths. |
+ SetExpectedMethodArguments(kInterface, |
+ biod::kBiometricsManagerGetRecordsForUserMethod, |
+ response.get()); |
+ client_->GetRecordsForUser( |
+ fake_id, base::Bind(&CheckObjectPathArrayCallback, fake_object_paths)); |
+} |
+ |
+TEST_F(BiodBiometricsManagerClientTest, TestDestroyAllRecords) { |
+ std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); |
+ |
+ SetExpectedMethodArguments(kInterface, |
+ biod::kBiometricsManagerDestroyAllRecordsMethod, |
+ response.get()); |
+ client_->DestroyAllRecords(); |
+} |
+ |
+TEST_F(BiodBiometricsManagerClientTest, TestStartAuthentication) { |
+ const dbus::ObjectPath& fake_object_path(std::string("/fake/object/path")); |
+ |
+ // Create a fake response with a fake object path. The start authentication |
+ // call should return this object path. |
+ std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty()); |
+ dbus::MessageWriter writer(response.get()); |
+ writer.AppendObjectPath(fake_object_path); |
+ |
+ SetExpectedMethodArguments(kInterface, |
+ biod::kBiometricsManagerStartAuthSessionMethod, |
+ response.get()); |
+ client_->StartAuthSession( |
+ base::Bind(&CheckObjectPathCallback, fake_object_path)); |
+} |
+ |
+// Verify when enroll scan done signals are mocked, observer(s) catch the |
+// signals as expected. |
+TEST_F(BiodBiometricsManagerClientTest, TestEnrollScanDoneObserver) { |
+ TestBiometricsObserver observer1; |
+ TestBiometricsObserver observer2; |
+ client_->AddObserver(&observer1); |
+ |
+ const uint32_t scan_signal = 0; |
+ const bool is_complete = false; |
+ EmitEnrollScanDoneSignal(scan_signal, is_complete); |
+ EXPECT_EQ(1, observer1.num_scan_received()); |
+ EXPECT_EQ(0, observer2.num_scan_received()); |
+ |
+ client_->AddObserver(&observer2); |
+ EmitEnrollScanDoneSignal(scan_signal, is_complete); |
+ EXPECT_EQ(2, observer1.num_scan_received()); |
+ EXPECT_EQ(1, observer2.num_scan_received()); |
+ |
+ client_->RemoveObserver(&observer1); |
+ EmitEnrollScanDoneSignal(scan_signal, is_complete); |
+ EXPECT_EQ(2, observer1.num_scan_received()); |
+ EXPECT_EQ(2, observer2.num_scan_received()); |
+} |
+ |
+// Verify when auth scan done signals are mocked, observer(s) catch the signals |
+// as expected. |
+TEST_F(BiodBiometricsManagerClientTest, TestAuthScanDoneObserver) { |
+ TestBiometricsObserver observer1; |
+ TestBiometricsObserver observer2; |
+ client_->AddObserver(&observer1); |
+ |
+ const uint32_t scan_signal = 0; |
+ const AuthScanMatches test_attempt; |
+ EmitAuthScanDoneSignal(scan_signal, test_attempt); |
+ EXPECT_EQ(1, observer1.num_attempt_received()); |
+ EXPECT_EQ(0, observer2.num_attempt_received()); |
+ |
+ client_->AddObserver(&observer2); |
+ EmitAuthScanDoneSignal(scan_signal, test_attempt); |
+ EXPECT_EQ(2, observer1.num_attempt_received()); |
+ EXPECT_EQ(1, observer2.num_attempt_received()); |
+ |
+ client_->RemoveObserver(&observer1); |
+ EmitAuthScanDoneSignal(scan_signal, test_attempt); |
+ EXPECT_EQ(2, observer1.num_attempt_received()); |
+ EXPECT_EQ(2, observer2.num_attempt_received()); |
+} |
+} // namespace chromeos |