cros: Added a fake fingerprint storage class.

chromeos/dbus/biod/biod_client_unittest.cc

Index: chromeos/dbus/biod/biod_client_unittest.cc
diff --git a/chromeos/dbus/biod/biod_client_unittest.cc b/chromeos/dbus/biod/biod_client_unittest.cc
index ec86d098b77081aed6d556f4d4493677ea977746..1fc110d966d7df04878e51ca60172c311f0acb0b 100644
--- a/chromeos/dbus/biod/biod_client_unittest.cc
+++ b/chromeos/dbus/biod/biod_client_unittest.cc
@@ -9,6 +9,7 @@
 
 #include "base/bind.h"
 #include "base/run_loop.h"
+#include "chromeos/dbus/biod/biod_test_utils.h"
 #include "dbus/mock_bus.h"
 #include "dbus/mock_object_proxy.h"
 #include "dbus/object_path.h"
@@ -34,24 +35,6 @@ const char kInvalidTestPath[] = "/invalid/test/path";
 // determine when empty values have been assigned.
 const char kInvalidString[] = "invalidString";
 
-void CopyObjectPath(dbus::ObjectPath* dest_path,
-                    const dbus::ObjectPath& src_path) {
-  CHECK(dest_path);
-  *dest_path = src_path;
-}
-
-void CopyObjectPathArray(
-    std::vector<dbus::ObjectPath>* dest_object_paths,
-    const std::vector<dbus::ObjectPath>& src_object_paths) {
-  CHECK(dest_object_paths);
-  *dest_object_paths = src_object_paths;
-}
-
-void CopyString(std::string* dest_str, const std::string& src_str) {
-  CHECK(dest_str);
-  *dest_str = src_str;
-}
-
 // Matcher that verifies that a dbus::Message has member |name|.
 MATCHER_P(HasMember, name, "") {
   if (arg->GetMember() != name) {
@@ -68,39 +51,6 @@ void RunResponseCallback(dbus::ObjectProxy::ResponseCallback callback,
   callback.Run(response.get());
 }
 
-// Implementation of BiodClient::Observer.
-class TestBiodObserver : public BiodClient::Observer {
- public:
-  TestBiodObserver() {}
-  ~TestBiodObserver() override {}
-
-  int num_enroll_scans_received() const { return num_enroll_scans_received_; }
-  int num_auth_scans_received() const { return num_auth_scans_received_; }
-  int num_failures_received() const { return num_failures_received_; }
-
-  // BiodClient::Observer:
-  void BiodServiceRestarted() override {}
-
-  void BiodEnrollScanDoneReceived(biod::ScanResult scan_result,
-                                  bool enroll_sesion_complete) override {
-    num_enroll_scans_received_++;
-  }
-
-  void BiodAuthScanDoneReceived(biod::ScanResult scan_result,
-                                const AuthScanMatches& matches) override {
-    num_auth_scans_received_++;
-  }
-
-  void BiodSessionFailedReceived() override { num_failures_received_++; }
-
- private:
-  int num_enroll_scans_received_ = 0;
-  int num_auth_scans_received_ = 0;
-  int num_failures_received_ = 0;
-
-  DISALLOW_COPY_AND_ASSIGN(TestBiodObserver);
-};
-
 }  // namespace
 
 class BiodClientTest : public testing::Test {
@@ -252,8 +202,9 @@ TEST_F(BiodClientTest, TestStartEnrollSession) {
   AddMethodExpectation(biod::kBiometricsManagerStartEnrollSessionMethod,
                        std::move(response));
   dbus::ObjectPath returned_path(kInvalidTestPath);
-  client_->StartEnrollSession(kFakeId, kFakeLabel,
-                              base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartEnrollSession(
+      kFakeId, kFakeLabel,
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kFakeObjectPath, returned_path);
 
@@ -262,8 +213,9 @@ TEST_F(BiodClientTest, TestStartEnrollSession) {
   AddMethodExpectation(biod::kBiometricsManagerStartEnrollSessionMethod,
                        nullptr);
   returned_path = dbus::ObjectPath(kInvalidTestPath);
-  client_->StartEnrollSession(kFakeId, kFakeLabel,
-                              base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartEnrollSession(
+      kFakeId, kFakeLabel,
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(dbus::ObjectPath(), returned_path);
 
@@ -273,8 +225,9 @@ TEST_F(BiodClientTest, TestStartEnrollSession) {
   AddMethodExpectation(biod::kBiometricsManagerStartEnrollSessionMethod,
                        std::move(bad_response));
   returned_path = dbus::ObjectPath(kInvalidTestPath);
-  client_->StartEnrollSession(kFakeId, kFakeLabel,
-                              base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartEnrollSession(
+      kFakeId, kFakeLabel,
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(dbus::ObjectPath(), returned_path);
 }
@@ -297,7 +250,8 @@ TEST_F(BiodClientTest, TestGetRecordsForUser) {
   std::vector<dbus::ObjectPath> returned_object_paths = {
       dbus::ObjectPath(kInvalidTestPath)};
   client_->GetRecordsForUser(
-      kFakeId, base::Bind(&CopyObjectPathArray, &returned_object_paths));
+      kFakeId,
+      base::Bind(&test_utils::CopyObjectPathArray, &returned_object_paths));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kFakeObjectPaths, returned_object_paths);
 
@@ -307,7 +261,8 @@ TEST_F(BiodClientTest, TestGetRecordsForUser) {
                        nullptr);
   returned_object_paths = {dbus::ObjectPath(kInvalidTestPath)};
   client_->GetRecordsForUser(
-      kFakeId, base::Bind(&CopyObjectPathArray, &returned_object_paths));
+      kFakeId,
+      base::Bind(&test_utils::CopyObjectPathArray, &returned_object_paths));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(std::vector<dbus::ObjectPath>(), returned_object_paths);
 }
@@ -324,7 +279,8 @@ TEST_F(BiodClientTest, TestStartAuthentication) {
   AddMethodExpectation(biod::kBiometricsManagerStartAuthSessionMethod,
                        std::move(response));
   dbus::ObjectPath returned_path(kInvalidTestPath);
-  client_->StartAuthSession(base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartAuthSession(
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kFakeObjectPath, returned_path);
 
@@ -332,7 +288,8 @@ TEST_F(BiodClientTest, TestStartAuthentication) {
   // response is an empty object path. Also, logs will get printed.
   AddMethodExpectation(biod::kBiometricsManagerStartAuthSessionMethod, nullptr);
   returned_path = dbus::ObjectPath(kInvalidTestPath);
-  client_->StartAuthSession(base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartAuthSession(
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(dbus::ObjectPath(), returned_path);
 
@@ -342,7 +299,8 @@ TEST_F(BiodClientTest, TestStartAuthentication) {
   AddMethodExpectation(biod::kBiometricsManagerStartAuthSessionMethod,
                        std::move(bad_response));
   returned_path = dbus::ObjectPath(kInvalidTestPath);
-  client_->StartAuthSession(base::Bind(&CopyObjectPath, &returned_path));
+  client_->StartAuthSession(
+      base::Bind(&test_utils::CopyObjectPath, &returned_path));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(dbus::ObjectPath(), returned_path);
 }
@@ -350,22 +308,22 @@ TEST_F(BiodClientTest, TestStartAuthentication) {
 // Verify when signals are mocked, an observer will catch the signals as
 // expected.
 TEST_F(BiodClientTest, TestNotifyObservers) {
-  TestBiodObserver observer;
+  test_utils::TestBiodObserver observer;
   client_->AddObserver(&observer);
   EXPECT_TRUE(client_->HasObserver(&observer));
 
   const biod::ScanResult scan_signal = biod::ScanResult::SCAN_RESULT_SUCCESS;
   const bool enroll_session_complete = false;
   const AuthScanMatches test_attempt;
-  EXPECT_EQ(0, observer.num_enroll_scans_received());
-  EXPECT_EQ(0, observer.num_auth_scans_received());
+  EXPECT_EQ(0, observer.NumEnrollScansReceived());
+  EXPECT_EQ(0, observer.NumAuthScansReceived());
   EXPECT_EQ(0, observer.num_failures_received());
 
   EmitEnrollScanDoneSignal(scan_signal, enroll_session_complete);
-  EXPECT_EQ(1, observer.num_enroll_scans_received());
+  EXPECT_EQ(1, observer.NumEnrollScansReceived());
 
   EmitAuthScanDoneSignal(scan_signal, test_attempt);
-  EXPECT_EQ(1, observer.num_auth_scans_received());
+  EXPECT_EQ(1, observer.NumAuthScansReceived());
 
   EmitScanFailedSignal();
   EXPECT_EQ(1, observer.num_failures_received());
@@ -374,8 +332,8 @@ TEST_F(BiodClientTest, TestNotifyObservers) {
 
   EmitEnrollScanDoneSignal(scan_signal, enroll_session_complete);
   EmitAuthScanDoneSignal(scan_signal, test_attempt);
-  EXPECT_EQ(1, observer.num_enroll_scans_received());
-  EXPECT_EQ(1, observer.num_auth_scans_received());
+  EXPECT_EQ(1, observer.NumEnrollScansReceived());
+  EXPECT_EQ(1, observer.NumAuthScansReceived());
   EXPECT_EQ(1, observer.num_failures_received());
 }
 
@@ -391,8 +349,8 @@ TEST_F(BiodClientTest, TestGetRecordLabel) {
   // exact string.
   std::string returned_label = kInvalidString;
   AddMethodExpectation(dbus::kDBusPropertiesGet, std::move(response));
-  client_->RequestRecordLabel(kFakeRecordPath,
-                              base::Bind(&CopyString, &returned_label));
+  client_->RequestRecordLabel(
+      kFakeRecordPath, base::Bind(&test_utils::CopyLabel, &returned_label));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kFakeLabel, returned_label);
 
@@ -400,8 +358,8 @@ TEST_F(BiodClientTest, TestGetRecordLabel) {
   // Also, logs will get printed.
   returned_label = kInvalidString;
   AddMethodExpectation(dbus::kDBusPropertiesGet, nullptr);
-  client_->RequestRecordLabel(kFakeRecordPath,
-                              base::Bind(&CopyString, &returned_label));
+  client_->RequestRecordLabel(
+      kFakeRecordPath, base::Bind(&test_utils::CopyLabel, &returned_label));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ("", returned_label);
 }