Index: chromeos/dbus/biod/fake_biod_client_unittest.cc |
diff --git a/chromeos/dbus/biod/fake_biod_client_unittest.cc b/chromeos/dbus/biod/fake_biod_client_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..521c3e60c4464202255dafcc5b3a9a2cd0f1efe9 |
--- /dev/null |
+++ b/chromeos/dbus/biod/fake_biod_client_unittest.cc |
@@ -0,0 +1,308 @@ |
+// Copyright 2017 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/fake_biod_client.h" |
+ |
+#include "base/bind.h" |
+#include "base/macros.h" |
+#include "base/strings/string_util.h" |
+#include "base/test/test_simple_task_runner.h" |
+#include "base/threading/thread_task_runner_handle.h" |
+#include "chromeos/dbus/biod/test_utils.h" |
+#include "dbus/object_path.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+using namespace biod; |
+ |
+namespace chromeos { |
+ |
+namespace { |
+ |
+const char kTestUserId[] = "testuser@gmail.com"; |
+const char kTestLabel[] = "testLabel"; |
+// Template of a scan string to be used in GenerateTestFingerprint. The # and $ |
+// are two wildcards that will be replaced by numbers to ensure unique scans. |
+const char kTestScan[] = "finger#scan$"; |
+ |
+} // namepsace |
+ |
+class FakeBiodClientTest : public testing::Test { |
+ public: |
+ FakeBiodClientTest() |
+ : task_runner_(new base::TestSimpleTaskRunner), |
+ task_runner_handle_(task_runner_) {} |
+ ~FakeBiodClientTest() override {} |
+ |
+ // Returns the stored records for |user_id|. Verified to work in |
+ // TestGetRecordsForUser. |
+ std::vector<dbus::ObjectPath> GetRecordsForUser(const std::string& user_id) { |
+ std::vector<dbus::ObjectPath> enrollment_paths; |
+ fake_biod_client_.GetRecordsForUser( |
+ user_id, |
+ base::Bind(&test_utils::CopyObjectPathArray, &enrollment_paths)); |
+ task_runner_->RunUntilIdle(); |
+ return enrollment_paths; |
+ } |
+ |
+ // Helper function which enrolls a fingerprint. Each element in |
+ // |fingerprint_data| corresponds to a finger tap. |
+ void EnrollFingerprint(const std::string& id, |
+ const std::string& label, |
+ const std::vector<std::string>& fingerprint_data) { |
+ ASSERT_FALSE(fingerprint_data.empty()); |
+ |
+ dbus::ObjectPath returned_path; |
+ fake_biod_client_.StartEnrollSession( |
+ id, label, base::Bind(&test_utils::CopyObjectPath, &returned_path)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_NE(dbus::ObjectPath(), returned_path); |
+ |
+ // Send |fingerprint_data| size - 1 incomplete scans, then finish the |
+ // enrollment by sending a complete scan signal. |
+ for (size_t i = 0; i < fingerprint_data.size(); ++i) { |
+ fake_biod_client_.SendEnrollScanDone( |
+ fingerprint_data[i], SCAN_RESULT_SUCCESS, |
+ i == fingerprint_data.size() - 1 /* is_complete */); |
+ } |
+ } |
+ |
+ // Helper function which enrolls |n| fingerprints with the same |id|, |label| |
+ // and |fingerprint_data|. |
+ void EnrollNTestFingerprints(const std::string& id, |
+ const std::string& label, |
+ const std::vector<std::string>& fingerprint_data, |
+ int n) { |
+ for (int i = 0; i < n; ++i) |
+ EnrollFingerprint(id, label, fingerprint_data); |
+ } |
+ |
+ // Creates a new unique fingerprint consisting of unique scans. |
+ std::vector<std::string> GenerateTestFingerprint(int scans) { |
+ EXPECT_GE(scans, 0); |
+ num_test_fingerprints_++; |
+ |
+ std::vector<std::string> fingerprint; |
+ for (int i = 0; i < scans; ++i) { |
+ std::string scan = kTestScan; |
+ base::ReplaceSubstringsAfterOffset( |
+ &scan, 0, "#", std::to_string(num_test_fingerprints_)); |
+ base::ReplaceSubstringsAfterOffset(&scan, 0, "$", std::to_string(i)); |
+ fingerprint.push_back(scan); |
+ } |
+ return fingerprint; |
+ } |
+ |
+ protected: |
+ FakeBiodClient fake_biod_client_; |
+ scoped_refptr<base::TestSimpleTaskRunner> task_runner_; |
+ base::ThreadTaskRunnerHandle task_runner_handle_; |
+ |
+ // This number is incremented each time GenerateTestFingerprint is called to |
+ // ensure each fingerprint is unique. |
+ int num_test_fingerprints_ = 0; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(FakeBiodClientTest); |
+}; |
+ |
+TEST_F(FakeBiodClientTest, TestEnrollSessionWorkflow) { |
+ test_utils::TestBiodObserver observer; |
+ fake_biod_client_.AddObserver(&observer); |
+ |
+ const std::vector<std::string>& kTestFingerprint = GenerateTestFingerprint(2); |
+ // Verify that successful enrollments get stored as expected. A fingerprint |
+ // that was created with 2 scans should have 1 incomplete scan and 1 complete |
+ // scan. |
+ EnrollFingerprint(kTestUserId, kTestLabel, kTestFingerprint); |
+ EXPECT_EQ(1u, GetRecordsForUser(kTestUserId).size()); |
+ EXPECT_EQ(1, observer.num_incomplete_enroll_scans_received()); |
+ EXPECT_EQ(1, observer.num_complete_enroll_scans_received()); |
+ |
+ // Verify that the enroll session worflow can be used repeatedly by enrolling |
+ // 3 more fingerprints (each with 1 incomplete and 1 complete scan). |
+ observer.ResetAllCounts(); |
+ EnrollNTestFingerprints(kTestUserId, kTestLabel, kTestFingerprint, 3); |
+ EXPECT_EQ(4u, GetRecordsForUser(kTestUserId).size()); |
+ EXPECT_EQ(3, observer.num_incomplete_enroll_scans_received()); |
+ EXPECT_EQ(3, observer.num_complete_enroll_scans_received()); |
+} |
+ |
+// Test authentication when one user has one or more fingerprints registered. |
+// This should be the normal scenario. |
+TEST_F(FakeBiodClientTest, TestAuthSessionWorkflowSingleUser) { |
+ test_utils::TestBiodObserver observer; |
+ fake_biod_client_.AddObserver(&observer); |
+ EXPECT_EQ(0u, GetRecordsForUser(kTestUserId).size()); |
+ |
+ const std::vector<std::string>& kTestFingerprint1 = |
+ GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kTestFingerprint2 = |
+ GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kTestFingerprint3 = |
+ GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kTestFingerprint4 = |
+ GenerateTestFingerprint(2); |
+ |
+ // Add two fingerprints |kTestFingerprint1| and |kTestFingerprint2| and start |
+ // an auth session. |
+ EnrollFingerprint(kTestUserId, kTestLabel, kTestFingerprint1); |
+ EnrollFingerprint(kTestUserId, kTestLabel, kTestFingerprint2); |
+ dbus::ObjectPath returned_path; |
+ fake_biod_client_.StartAuthSession( |
+ base::Bind(&test_utils::CopyObjectPath, &returned_path)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_NE(returned_path, dbus::ObjectPath()); |
+ |
+ // Verify that by sending two attempt signals of fingerprints that have been |
+ // enrolled, the observer should receive two matches and zero non-matches. |
+ fake_biod_client_.SendAuthScanDone(kTestFingerprint1[0], SCAN_RESULT_SUCCESS); |
+ fake_biod_client_.SendAuthScanDone(kTestFingerprint2[0], SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(2, observer.num_matched_auth_scans_received()); |
+ EXPECT_EQ(0, observer.num_unmatched_auth_scans_received()); |
+ |
+ // Verify that by sending two attempt signals of fingerprints that have not |
+ // been enrolled, the observer should receive two non-matches and zero |
+ // matches. |
+ observer.ResetAllCounts(); |
+ fake_biod_client_.SendAuthScanDone(kTestFingerprint3[0], SCAN_RESULT_SUCCESS); |
+ fake_biod_client_.SendAuthScanDone(kTestFingerprint4[0], SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(0, observer.num_matched_auth_scans_received()); |
+ EXPECT_EQ(2, observer.num_unmatched_auth_scans_received()); |
+} |
+ |
+// Test authentication when multiple users have fingerprints registered. Cover |
+// cases such as when both users use the same labels, a user had registered the |
+// same fingerprint multiple times, or two users use the same fingerprint. |
+TEST_F(FakeBiodClientTest, TestAuthenticateWorkflowMultipleUsers) { |
+ test_utils::TestBiodObserver observer; |
+ fake_biod_client_.AddObserver(&observer); |
+ EXPECT_EQ(0u, GetRecordsForUser(kTestUserId).size()); |
+ |
+ // Add two users, who have scanned three fingers between the two of them. |
+ const std::string kUserOne = std::string(kTestUserId) + "1"; |
+ const std::string kUserTwo = std::string(kTestUserId) + "2"; |
+ |
+ const std::string kLabelOne = std::string(kTestLabel) + "1"; |
+ const std::string kLabelTwo = std::string(kTestLabel) + "2"; |
+ const std::string kLabelThree = std::string(kTestLabel) + "3"; |
+ |
+ // Generate 2 test fingerprints per user. |
+ const std::vector<std::string>& kUser1Finger1 = GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kUser1Finger2 = GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kUser2Finger1 = GenerateTestFingerprint(2); |
+ const std::vector<std::string>& kUser2Finger2 = GenerateTestFingerprint(2); |
+ |
+ EnrollFingerprint(kUserOne, kLabelOne, kUser1Finger1); |
+ EnrollFingerprint(kUserOne, kLabelTwo, kUser1Finger2); |
+ // User one has registered finger two twice. |
+ EnrollFingerprint(kUserOne, kLabelThree, kUser1Finger2); |
+ EnrollFingerprint(kUserTwo, kLabelOne, kUser2Finger1); |
+ EnrollFingerprint(kUserTwo, kLabelTwo, kUser2Finger2); |
+ // User two has allowed user one to unlock their account with their first |
+ // finger. |
+ EnrollFingerprint(kUserTwo, kLabelThree, kUser1Finger1); |
+ |
+ dbus::ObjectPath returned_path; |
+ fake_biod_client_.StartAuthSession( |
+ base::Bind(&test_utils::CopyObjectPath, &returned_path)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_NE(returned_path, dbus::ObjectPath()); |
+ |
+ // Verify that if a user registers the same finger to two different labels, |
+ // both labels are returned as matches. |
+ AuthScanMatches expected_auth_scans_matches; |
+ expected_auth_scans_matches[kUserOne] = {kLabelTwo, kLabelThree}; |
+ fake_biod_client_.SendAuthScanDone(kUser1Finger2[0], SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(expected_auth_scans_matches, observer.last_auth_scan_matches()); |
+ |
+ // Verify that a fingerprint associated with one user and one label returns a |
+ // match with one user and one label. |
+ expected_auth_scans_matches.clear(); |
+ expected_auth_scans_matches[kUserTwo] = {kLabelOne}; |
+ fake_biod_client_.SendAuthScanDone(kUser2Finger1[0], SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(expected_auth_scans_matches, observer.last_auth_scan_matches()); |
+ |
+ // Verify if two users register the same fingerprint, the matches contain |
+ // both users. |
+ expected_auth_scans_matches.clear(); |
+ expected_auth_scans_matches[kUserOne] = {kLabelOne}; |
+ expected_auth_scans_matches[kUserTwo] = {kLabelThree}; |
+ fake_biod_client_.SendAuthScanDone(kUser1Finger1[0], SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(expected_auth_scans_matches, observer.last_auth_scan_matches()); |
+ |
+ // Verify if a unregistered finger is scanned, the matches are empty. |
+ expected_auth_scans_matches.clear(); |
+ fake_biod_client_.SendAuthScanDone("Unregistered", SCAN_RESULT_SUCCESS); |
+ EXPECT_EQ(expected_auth_scans_matches, observer.last_auth_scan_matches()); |
+} |
+ |
+TEST_F(FakeBiodClientTest, TestGetRecordsForUser) { |
+ // Verify that initially |kTestUserId| will have no fingerprints. |
+ EXPECT_EQ(0u, GetRecordsForUser(kTestUserId).size()); |
+ |
+ // Verify that after enrolling 2 fingerprints, a GetRecords call return 2 |
+ // items. |
+ EnrollNTestFingerprints(kTestUserId, kTestLabel, GenerateTestFingerprint(2), |
+ 2); |
+ EXPECT_EQ(2u, GetRecordsForUser(kTestUserId).size()); |
+ |
+ // Verify that GetRecords call for a user with no registered fingerprints |
+ // should return 0 items. |
+ EXPECT_EQ(0u, GetRecordsForUser("noRegisteredFingerprints@gmail.com").size()); |
+} |
+ |
+TEST_F(FakeBiodClientTest, TestDestroyingRecords) { |
+ // Verify that after enrolling 2 fingerprints and destroying them, 0 |
+ // fingerprints will remain. |
+ EnrollNTestFingerprints(kTestUserId, kTestLabel, GenerateTestFingerprint(2), |
+ 2); |
+ EXPECT_EQ(2u, GetRecordsForUser(kTestUserId).size()); |
+ DBusMethodCallStatus returned_status; |
+ fake_biod_client_.DestroyAllRecords( |
+ base::Bind(&test_utils::CopyDBusMethodCallStatus, &returned_status)); |
+ EXPECT_EQ(0u, GetRecordsForUser(kTestUserId).size()); |
+} |
+ |
+TEST_F(FakeBiodClientTest, TestGetAndSetRecordLabels) { |
+ const std::string kLabelOne = "Finger 1"; |
+ const std::string kLabelTwo = "Finger 2"; |
+ |
+ EnrollFingerprint(kTestUserId, kLabelOne, GenerateTestFingerprint(2)); |
+ EnrollFingerprint(kTestUserId, kLabelTwo, GenerateTestFingerprint(2)); |
+ EXPECT_EQ(2u, GetRecordsForUser(kTestUserId).size()); |
+ std::vector<dbus::ObjectPath> enrollment_paths; |
+ fake_biod_client_.GetRecordsForUser( |
+ kTestUserId, |
+ base::Bind(&test_utils::CopyObjectPathArray, &enrollment_paths)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_EQ(2u, enrollment_paths.size()); |
+ |
+ // Verify the labels we get using GetLabel are the same as the one we |
+ // originally set. |
+ std::string returned_str; |
+ fake_biod_client_.RequestRecordLabel( |
+ enrollment_paths[0], base::Bind(&test_utils::CopyString, &returned_str)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_EQ(kLabelOne, returned_str); |
+ |
+ returned_str = ""; |
+ fake_biod_client_.RequestRecordLabel( |
+ enrollment_paths[1], base::Bind(&test_utils::CopyString, &returned_str)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_EQ(kLabelTwo, returned_str); |
+ |
+ // Verify that by setting a new label, getting the label will return the value |
+ // of the new label. |
+ const std::string kNewLabelTwo = "Finger 2 New"; |
+ DBusMethodCallStatus returned_status; |
+ fake_biod_client_.SetRecordLabel( |
+ enrollment_paths[1], kNewLabelTwo, |
+ base::Bind(&test_utils::CopyDBusMethodCallStatus, &returned_status)); |
+ fake_biod_client_.RequestRecordLabel( |
+ enrollment_paths[1], base::Bind(&test_utils::CopyString, &returned_str)); |
+ task_runner_->RunUntilIdle(); |
+ EXPECT_EQ(kNewLabelTwo, returned_str); |
+} |
+ |
+} // namespace chromeos |