Add VTS tests for IFingerprint

Bug: 152416783
Test: atest VtsHalBiometricsFingerprintTargetTest
Change-Id: I6aec70e8f9f4342cab2f7ce367698841e22f57f1

biometrics/fingerprint/aidl/vts/Android.bp

@@ -0,0 +1,16 @@
+cc_test {
+    name: "VtsHalBiometricsFingerprintTargetTest",
+    defaults: [
+        "VtsHalTargetTestDefaults",
+        "use_libaidlvintf_gtest_helper_static",
+    ],
+    srcs: ["VtsHalBiometricsFingerprintTargetTest.cpp"],
+    shared_libs: [
+        "libbinder_ndk",
+        "android.hardware.biometrics.fingerprint-ndk_platform",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}

biometrics/fingerprint/aidl/vts/VtsHalBiometricsFingerprintTargetTest.cpp

@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <aidl/android/hardware/biometrics/fingerprint/BnFingerprint.h>
+#include <aidl/android/hardware/biometrics/fingerprint/BnSessionCallback.h>
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include <future>
+
+namespace aidl::android::hardware::biometrics::fingerprint {
+namespace {
+
+constexpr int kSensorId = 0;
+constexpr int kUserId = 0;
+constexpr auto kCallbackTimeout = std::chrono::seconds(1);
+
+enum class SessionCallbackMethodName {
+    kOnStateChanged,
+};
+
+struct SessionCallbackInvocation {
+    SessionCallbackMethodName method_name;
+    SessionState state;
+};
+
+class SessionCallback : public BnSessionCallback {
+  public:
+    explicit SessionCallback(std::promise<SessionCallbackInvocation> invocation_promise)
+        : invocation_promise_(std::move(invocation_promise)) {}
+
+    ndk::ScopedAStatus onStateChanged(int32_t /*cookie*/, SessionState state) override {
+        SessionCallbackInvocation invocation = {};
+        invocation.method_name = SessionCallbackMethodName::kOnStateChanged;
+        invocation.state = state;
+        invocation_promise_.set_value(invocation);
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onAcquired(AcquiredInfo /*info*/, int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onError(Error /*error*/, int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onEnrollmentProgress(int32_t /*enrollmentId*/, int32_t /*remaining*/,
+                                            int32_t /*vendorCode*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onAuthenticated(int32_t /*enrollmentId*/,
+                                       const keymaster::HardwareAuthToken& /*hat*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onInteractionDetected() override { return ndk::ScopedAStatus::ok(); }
+
+    ndk::ScopedAStatus onEnrollmentsEnumerated(
+            const std::vector<int32_t>& /*enrollmentIds*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+    ndk::ScopedAStatus onEnrollmentsRemoved(
+            const std::vector<int32_t>& /*enrollmentIds*/) override {
+        return ndk::ScopedAStatus::ok();
+    }
+
+  private:
+    std::promise<SessionCallbackInvocation> invocation_promise_;
+};
+
+class Fingerprint : public testing::TestWithParam<std::string> {
+  protected:
+    void SetUp() override {
+        AIBinder* binder = AServiceManager_waitForService(GetParam().c_str());
+        ASSERT_NE(binder, nullptr);
+        hal_ = IFingerprint::fromBinder(ndk::SpAIBinder(binder));
+    }
+
+    std::shared_ptr<IFingerprint> hal_;
+};
+
+TEST_P(Fingerprint, AuthenticateTest) {
+    std::promise<SessionCallbackInvocation> invocation_promise;
+    std::future<SessionCallbackInvocation> invocation_future = invocation_promise.get_future();
+    std::shared_ptr<SessionCallback> session_cb =
+            ndk::SharedRefBase::make<SessionCallback>(std::move(invocation_promise));
+
+    std::shared_ptr<ISession> session;
+    ASSERT_TRUE(hal_->createSession(kSensorId, kUserId, session_cb, &session).isOk());
+
+    std::shared_ptr<ICancellationSignal> cancel_cb;
+    ASSERT_TRUE(session->authenticate(0, 0, &cancel_cb).isOk());
+    ASSERT_EQ(invocation_future.wait_for(kCallbackTimeout), std::future_status::ready);
+
+    SessionCallbackInvocation invocation = invocation_future.get();
+    EXPECT_EQ(invocation.method_name, SessionCallbackMethodName::kOnStateChanged);
+    EXPECT_EQ(invocation.state, SessionState::AUTHENTICATING);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(Fingerprint);
+INSTANTIATE_TEST_SUITE_P(
+        IFingerprint, Fingerprint,
+        testing::ValuesIn(::android::getAidlHalInstanceNames(IFingerprint::descriptor)),
+        ::android::PrintInstanceNameToString);
+
+}  // namespace
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+    return RUN_ALL_TESTS();
+}
+
+}  // namespace aidl::android::hardware::biometrics::fingerprint