Add weaver aidl interface
Bug: 176107318
Change-Id: I4dd064843e3e630b878ff08f89100e1b4303a02c
diff --git a/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp b/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp
new file mode 100644
index 0000000..7d8daa2
--- /dev/null
+++ b/weaver/aidl/vts/VtsHalWeaverTargetTest.cpp
@@ -0,0 +1,277 @@
+/*
+ * 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/weaver/IWeaver.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+#include <limits>
+
+using ::aidl::android::hardware::weaver::IWeaver;
+using ::aidl::android::hardware::weaver::WeaverConfig;
+using ::aidl::android::hardware::weaver::WeaverReadResponse;
+
+using ::ndk::SpAIBinder;
+
+const std::vector<uint8_t> KEY{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
+const std::vector<uint8_t> WRONG_KEY{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+const std::vector<uint8_t> VALUE{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1};
+const std::vector<uint8_t> OTHER_VALUE{0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 255, 255};
+
+struct WeaverAidlTest : public ::testing::TestWithParam<std::string> {
+ virtual void SetUp() override {
+ weaver = IWeaver::fromBinder(
+ SpAIBinder(AServiceManager_waitForService(GetParam().c_str())));
+ ASSERT_NE(weaver, nullptr);
+ }
+
+ virtual void TearDown() override {}
+
+ std::shared_ptr<IWeaver> weaver;
+};
+
+/*
+ * Checks config values are suitably large
+ */
+TEST_P(WeaverAidlTest, GetConfig) {
+ WeaverConfig config;
+
+ auto ret = weaver->getConfig(&config);
+
+ ASSERT_TRUE(ret.isOk());
+
+ EXPECT_GE(config.slots, 16u);
+ EXPECT_GE(config.keySize, 16u);
+ EXPECT_GE(config.valueSize, 16u);
+}
+
+/*
+ * Gets the config twice and checks they are the same
+ */
+TEST_P(WeaverAidlTest, GettingConfigMultipleTimesGivesSameResult) {
+ WeaverConfig config1;
+ WeaverConfig config2;
+
+ auto ret = weaver->getConfig(&config1);
+ ASSERT_TRUE(ret.isOk());
+
+ ret = weaver->getConfig(&config2);
+ ASSERT_TRUE(ret.isOk());
+
+ EXPECT_EQ(config1, config2);
+}
+
+/*
+ * Gets the number of slots from the config and writes a key and value to the last one
+ */
+TEST_P(WeaverAidlTest, WriteToLastSlot) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+
+ ASSERT_TRUE(configRet.isOk());
+
+ const uint32_t lastSlot = config.slots - 1;
+ const auto writeRet = weaver->write(lastSlot, KEY, VALUE);
+ ASSERT_TRUE(writeRet.isOk());
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with the same key and receives the value that was previously written
+ */
+TEST_P(WeaverAidlTest, WriteFollowedByReadGivesTheSameValue) {
+ constexpr uint32_t slotId = 0;
+ const auto ret = weaver->write(slotId, KEY, VALUE);
+ ASSERT_TRUE(ret.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet = weaver->read(slotId, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_TRUE(readRet.isOk());
+ EXPECT_EQ(readValue, VALUE);
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Overwrites the slot with a new key and value
+ * Reads the slot with the new key and receives the new value
+ */
+TEST_P(WeaverAidlTest, OverwritingSlotUpdatesTheValue) {
+ constexpr uint32_t slotId = 0;
+ const auto initialWriteRet = weaver->write(slotId, WRONG_KEY, VALUE);
+ ASSERT_TRUE(initialWriteRet.isOk());
+
+ const auto overwriteRet = weaver->write(slotId, KEY, OTHER_VALUE);
+ ASSERT_TRUE(overwriteRet.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet = weaver->read(slotId, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_TRUE(readRet.isOk());
+ EXPECT_EQ(readValue, OTHER_VALUE);
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writes a key and value to a slot
+ * Reads the slot with a different key so does not receive the value
+ */
+TEST_P(WeaverAidlTest, WriteFollowedByReadWithWrongKeyDoesNotGiveTheValue) {
+ constexpr uint32_t slotId = 0;
+ const auto ret = weaver->write(slotId, KEY, VALUE);
+ ASSERT_TRUE(ret.isOk());
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ const auto readRet =
+ weaver->read(slotId, WRONG_KEY, &response);
+
+ readValue = response.value;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::INCORRECT_KEY, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+}
+
+/*
+ * Writing to an invalid slot fails
+ */
+TEST_P(WeaverAidlTest, WritingToInvalidSlotFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ if (config.slots == std::numeric_limits<uint32_t>::max()) {
+ // If there are no invalid slots then pass
+ return;
+ }
+
+ const auto writeRet = weaver->write(config.slots, KEY, VALUE);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Reading from an invalid slot fails rather than incorrect key
+ */
+TEST_P(WeaverAidlTest, ReadingFromInvalidSlotFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ if (config.slots == std::numeric_limits<uint32_t>::max()) {
+ // If there are no invalid slots then pass
+ return;
+ }
+
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet =
+ weaver->read(config.slots, KEY, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::STATUS_FAILED, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+ EXPECT_EQ(timeout, 0u);
+}
+
+/*
+ * Writing a key that is too large fails
+ */
+TEST_P(WeaverAidlTest, WriteWithTooLargeKeyFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigKey(config.keySize + 1);
+
+ constexpr uint32_t slotId = 0;
+ const auto writeRet = weaver->write(slotId, bigKey, VALUE);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Writing a value that is too large fails
+ */
+TEST_P(WeaverAidlTest, WriteWithTooLargeValueFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigValue(config.valueSize + 1);
+
+ constexpr uint32_t slotId = 0;
+ const auto writeRet = weaver->write(slotId, KEY, bigValue);
+ ASSERT_FALSE(writeRet.isOk());
+}
+
+/*
+ * Reading with a key that is loo large fails
+ */
+TEST_P(WeaverAidlTest, ReadWithTooLargeKeyFails) {
+ WeaverConfig config;
+ const auto configRet = weaver->getConfig(&config);
+ ASSERT_TRUE(configRet.isOk());
+
+ std::vector<uint8_t> bigKey(config.keySize + 1);
+
+ constexpr uint32_t slotId = 0;
+ WeaverReadResponse response;
+ std::vector<uint8_t> readValue;
+ uint32_t timeout;
+ const auto readRet =
+ weaver->read(slotId, bigKey, &response);
+
+ readValue = response.value;
+ timeout = response.timeout;
+
+ ASSERT_FALSE(readRet.isOk());
+ ASSERT_EQ(EX_SERVICE_SPECIFIC, readRet.getExceptionCode());
+ ASSERT_EQ(IWeaver::STATUS_FAILED, readRet.getServiceSpecificError());
+ EXPECT_TRUE(readValue.empty());
+ EXPECT_EQ(timeout, 0u);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WeaverAidlTest);
+INSTANTIATE_TEST_SUITE_P(
+ PerInstance, WeaverAidlTest,
+ testing::ValuesIn(android::getAidlHalInstanceNames(IWeaver::descriptor)),
+ android::PrintInstanceNameToString);
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ ABinderProcess_setThreadPoolMaxThreadCount(1);
+ ABinderProcess_startThreadPool();
+ return RUN_ALL_TESTS();
+}