src/app/tests/TestSimpleSubscriptionResumptionStorage.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *    Copyright (c) 2021 Project CHIP Authors
  *    All rights reserved.
  *
  *    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 <lib/support/UnitTestRegistration.h>
 #include <nlunit-test.h>

 #include <app/SimpleSubscriptionResumptionStorage.h>
 #include <lib/support/TestPersistentStorageDelegate.h>

 #include <lib/support/DefaultStorageKeyAllocator.h>

 class SimpleSubscriptionResumptionStorageTest : public chip::app::SimpleSubscriptionResumptionStorage
 {
 public:
     CHIP_ERROR TestSave(chip::TLV::TLVWriter & writer,
                         chip::app::SubscriptionResumptionStorage::SubscriptionInfo & subscriptionInfo)
     {
         return Save(writer, subscriptionInfo);
     }
     static constexpr size_t TestMaxSubscriptionSize() { return MaxSubscriptionSize(); }
 };

 struct TestSubscriptionInfo : public chip::app::SubscriptionResumptionStorage::SubscriptionInfo
 {
     bool operator==(const SubscriptionInfo & that) const
     {
         if ((mNodeId != that.mNodeId) || (mFabricIndex != that.mFabricIndex) || (mSubscriptionId != that.mSubscriptionId) ||
             (mMinInterval != that.mMinInterval) || (mMaxInterval != that.mMaxInterval) || (mFabricFiltered != that.mFabricFiltered))
         {
             return false;
         }
         if ((mAttributePaths.AllocatedSize() != that.mAttributePaths.AllocatedSize()) ||
             (mEventPaths.AllocatedSize() != that.mEventPaths.AllocatedSize()))
         {
             return false;
         }
         for (size_t i = 0; i < mAttributePaths.AllocatedSize(); i++)
         {
             if ((mAttributePaths[i].mEndpointId != that.mAttributePaths[i].mEndpointId) ||
                 (mAttributePaths[i].mClusterId != that.mAttributePaths[i].mClusterId) ||
                 (mAttributePaths[i].mAttributeId != that.mAttributePaths[i].mAttributeId))
             {
                 return false;
             }
         }
         for (size_t i = 0; i < mEventPaths.AllocatedSize(); i++)
         {
             if ((mEventPaths[i].mEndpointId != that.mEventPaths[i].mEndpointId) ||
                 (mEventPaths[i].mClusterId != that.mEventPaths[i].mClusterId) ||
                 (mEventPaths[i].mEventId != that.mEventPaths[i].mEventId) ||
                 (mEventPaths[i].mIsUrgentEvent != that.mEventPaths[i].mIsUrgentEvent))
             {
                 return false;
             }
         }
         return true;
     }
 };

 void TestSubscriptionCount(nlTestSuite * inSuite, void * inContext)
 {
     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;
     subscriptionStorage.Init(&storage);

     // Write some subscriptions and see the counts are correct
     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo = { .mNodeId = 6666, .mFabricIndex = 46 };

     for (size_t i = 0; i < (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2); i++)
     {
         subscriptionInfo.mSubscriptionId = static_cast<chip::SubscriptionId>(i);
         subscriptionStorage.Save(subscriptionInfo);
     }

     // Make sure iterator counts correctly
     auto * iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2));

     // Verify subscriptions manually count correctly
     size_t count = 0;
     while (iterator->Next(subscriptionInfo))
     {
         count++;
     }
     iterator->Release();
     NL_TEST_ASSERT(inSuite, count == (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2));

     // Delete all and verify iterator counts 0
     CHIP_ERROR err = subscriptionStorage.DeleteAll(46);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 0);

     // Verify subscriptions manually count correctly
     count = 0;
     while (iterator->Next(subscriptionInfo))
     {
         count++;
     }
     iterator->Release();
     NL_TEST_ASSERT(inSuite, count == 0);
 }

 void TestSubscriptionMaxCount(nlTestSuite * inSuite, void * inContext)
 {
     // Force large MacCount value and check that Init resets it properly, and deletes extra subs:

     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;

     // First set a large MaxCount before Init
     uint16_t countMaxToSave = 2 * CHIP_IM_MAX_NUM_SUBSCRIPTIONS;
     CHIP_ERROR err          = storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(),
                                              &countMaxToSave, sizeof(uint16_t));
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

     // Then write something beyond CHIP_IM_MAX_NUM_SUBSCRIPTIONS
     chip::Platform::ScopedMemoryBuffer<uint8_t> junkBytes;
     junkBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize() / 2);
     NL_TEST_ASSERT(inSuite, junkBytes.Get() != nullptr);
     NL_TEST_ASSERT(inSuite,
                    storage.SyncSetKeyValue(
                        chip::DefaultStorageKeyAllocator::SubscriptionResumption(CHIP_IM_MAX_NUM_SUBSCRIPTIONS + 1).KeyName(),
                        junkBytes.Get(), static_cast<uint16_t>(subscriptionStorage.TestMaxSubscriptionSize() / 2)) == CHIP_NO_ERROR);

     subscriptionStorage.Init(&storage);

     // First check the MaxCount is reset to CHIP_IM_MAX_NUM_SUBSCRIPTIONS
     uint16_t countMax = 0;
     uint16_t len      = sizeof(countMax);
     err = storage.SyncGetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(), &countMax, len);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     NL_TEST_ASSERT(inSuite, countMax == CHIP_IM_MAX_NUM_SUBSCRIPTIONS);

     // Then check the fake sub is no more
     NL_TEST_ASSERT(inSuite,
                    !storage.SyncDoesKeyExist(
                        chip::DefaultStorageKeyAllocator::SubscriptionResumption(CHIP_IM_MAX_NUM_SUBSCRIPTIONS + 1).KeyName()));
 }

 void TestSubscriptionState(nlTestSuite * inSuite, void * inContext)
 {
     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;
     subscriptionStorage.Init(&storage);

     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
         .mNodeId         = 1111,
         .mFabricIndex    = 41,
         .mSubscriptionId = 1,
         .mMinInterval    = 1,
         .mMaxInterval    = 11,
         .mFabricFiltered = true,
     };
     subscriptionInfo1.mAttributePaths.Calloc(2);
     subscriptionInfo1.mAttributePaths[0].mEndpointId  = 1;
     subscriptionInfo1.mAttributePaths[0].mClusterId   = 1;
     subscriptionInfo1.mAttributePaths[0].mAttributeId = 1;
     subscriptionInfo1.mAttributePaths[1].mEndpointId  = 2;
     subscriptionInfo1.mAttributePaths[1].mClusterId   = 2;
     subscriptionInfo1.mAttributePaths[1].mAttributeId = 2;

     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo2 = {
         .mNodeId         = 2222,
         .mFabricIndex    = 42,
         .mSubscriptionId = 2,
         .mMinInterval    = 2,
         .mMaxInterval    = 12,
         .mFabricFiltered = false,
     };
     subscriptionInfo2.mEventPaths.Calloc(2);
     subscriptionInfo2.mEventPaths[0].mEndpointId    = 3;
     subscriptionInfo2.mEventPaths[0].mClusterId     = 3;
     subscriptionInfo2.mEventPaths[0].mEventId       = 3;
     subscriptionInfo2.mEventPaths[0].mIsUrgentEvent = false;
     subscriptionInfo2.mEventPaths[1].mEndpointId    = 4;
     subscriptionInfo2.mEventPaths[1].mClusterId     = 4;
     subscriptionInfo2.mEventPaths[1].mEventId       = 4;
     subscriptionInfo2.mEventPaths[1].mIsUrgentEvent = true;

     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo3 = {
         .mNodeId         = 3333,
         .mFabricIndex    = 43,
         .mSubscriptionId = 3,
         .mMinInterval    = 3,
         .mMaxInterval    = 13,
         .mFabricFiltered = true,
     };
     subscriptionInfo3.mAttributePaths.Calloc(2);
     subscriptionInfo3.mAttributePaths[0].mEndpointId  = 5;
     subscriptionInfo3.mAttributePaths[0].mClusterId   = 5;
     subscriptionInfo3.mAttributePaths[0].mAttributeId = 5;
     subscriptionInfo3.mAttributePaths[1].mEndpointId  = 6;
     subscriptionInfo3.mAttributePaths[1].mClusterId   = 6;
     subscriptionInfo3.mAttributePaths[1].mAttributeId = 6;
     subscriptionInfo3.mEventPaths.Calloc(2);
     subscriptionInfo3.mEventPaths[0].mEndpointId    = 7;
     subscriptionInfo3.mEventPaths[0].mClusterId     = 7;
     subscriptionInfo3.mEventPaths[0].mEventId       = 7;
     subscriptionInfo2.mEventPaths[0].mIsUrgentEvent = true;
     subscriptionInfo3.mEventPaths[1].mEndpointId    = 8;
     subscriptionInfo3.mEventPaths[1].mClusterId     = 8;
     subscriptionInfo3.mEventPaths[1].mEventId       = 8;
     subscriptionInfo2.mEventPaths[1].mIsUrgentEvent = false;

     CHIP_ERROR err;
     err = subscriptionStorage.Save(subscriptionInfo1);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     err = subscriptionStorage.Save(subscriptionInfo2);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
     err = subscriptionStorage.Save(subscriptionInfo3);
     NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

     auto * iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 3);

     // Verify subscriptions manually count correctly
     TestSubscriptionInfo subscriptionInfo;
     NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo1);
     NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo2);
     NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo3);
     // Verify at end of list
     NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
     iterator->Release();

     // Delete fabric 1 and subscription 2 and check only 3 remains.
     subscriptionStorage.Delete(subscriptionInfo1.mNodeId, subscriptionInfo1.mFabricIndex, subscriptionInfo1.mSubscriptionId);
     subscriptionStorage.DeleteAll(subscriptionInfo2.mFabricIndex);

     iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
     NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo3);
     // Verify at end of list
     NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
     iterator->Release();

     // Delete 3 also, and see that both count is 0 and MaxCount is removed from storage
     subscriptionStorage.DeleteAll(subscriptionInfo3.mFabricIndex);
     iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
     NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
     iterator->Release();

     uint16_t countMax = 0;
     uint16_t len      = sizeof(countMax);
     err = storage.SyncGetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(), &countMax, len);
     NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND);
 }

 static constexpr chip::TLV::Tag kTestValue1Tag = chip::TLV::ContextTag(30);
 static constexpr chip::TLV::Tag kTestValue2Tag = chip::TLV::ContextTag(31);

 void TestSubscriptionStateUnexpectedFields(nlTestSuite * inSuite, void * inContext)
 {
     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;
     subscriptionStorage.Init(&storage);

     // Write additional entries at the end of TLV and see it still loads correctly
     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
         .mNodeId         = 4444,
         .mFabricIndex    = 44,
         .mSubscriptionId = 4,
         .mMinInterval    = 4,
         .mMaxInterval    = 14,
         .mFabricFiltered = true,
     };
     subscriptionInfo1.mAttributePaths.Calloc(2);
     subscriptionInfo1.mAttributePaths[0].mEndpointId  = 9;
     subscriptionInfo1.mAttributePaths[0].mClusterId   = 9;
     subscriptionInfo1.mAttributePaths[0].mAttributeId = 9;
     subscriptionInfo1.mAttributePaths[1].mEndpointId  = 10;
     subscriptionInfo1.mAttributePaths[1].mClusterId   = 10;
     subscriptionInfo1.mAttributePaths[1].mAttributeId = 10;

     chip::Platform::ScopedMemoryBuffer<uint8_t> backingBuffer;
     backingBuffer.Calloc(subscriptionStorage.TestMaxSubscriptionSize());
     NL_TEST_ASSERT(inSuite, backingBuffer.Get() != nullptr);
     chip::TLV::ScopedBufferTLVWriter writer(std::move(backingBuffer), subscriptionStorage.TestMaxSubscriptionSize());

     NL_TEST_ASSERT(inSuite, subscriptionStorage.TestSave(writer, subscriptionInfo1) == CHIP_NO_ERROR);

     // Additional stuff
     chip::TLV::TLVType containerType;
     NL_TEST_ASSERT(inSuite,
                    writer.StartContainer(chip::TLV::AnonymousTag(), chip::TLV::kTLVType_Structure, containerType) == CHIP_NO_ERROR);
     uint32_t value1 = 1;
     uint32_t value2 = 2;
     NL_TEST_ASSERT(inSuite, writer.Put(kTestValue1Tag, value1) == CHIP_NO_ERROR);
     NL_TEST_ASSERT(inSuite, writer.Put(kTestValue2Tag, value2) == CHIP_NO_ERROR);
     NL_TEST_ASSERT(inSuite, writer.EndContainer(containerType) == CHIP_NO_ERROR);

     const auto len = writer.GetLengthWritten();

     writer.Finalize(backingBuffer);

     NL_TEST_ASSERT(inSuite,
                    storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(),
                                            backingBuffer.Get(), static_cast<uint16_t>(len)) == CHIP_NO_ERROR);

     // Now read back and verify
     auto * iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
     TestSubscriptionInfo subscriptionInfo;
     NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo1);
     iterator->Release();
 }

 void TestSubscriptionStateTooBigToLoad(nlTestSuite * inSuite, void * inContext)
 {
     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;
     subscriptionStorage.Init(&storage);

     // Write additional too-big data at the end of TLV and see it fails to loads and entry deleted
     chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
         .mNodeId         = 5555,
         .mFabricIndex    = 45,
         .mSubscriptionId = 5,
         .mMinInterval    = 5,
         .mMaxInterval    = 15,
         .mFabricFiltered = false,
     };
     subscriptionInfo1.mAttributePaths.Calloc(2);
     subscriptionInfo1.mAttributePaths[0].mEndpointId  = 11;
     subscriptionInfo1.mAttributePaths[0].mClusterId   = 11;
     subscriptionInfo1.mAttributePaths[0].mAttributeId = 11;
     subscriptionInfo1.mAttributePaths[1].mEndpointId  = 12;
     subscriptionInfo1.mAttributePaths[1].mClusterId   = 12;
     subscriptionInfo1.mAttributePaths[1].mAttributeId = 12;

     chip::Platform::ScopedMemoryBuffer<uint8_t> backingBuffer;
     backingBuffer.Calloc(subscriptionStorage.TestMaxSubscriptionSize() * 2);
     NL_TEST_ASSERT(inSuite, backingBuffer.Get() != nullptr);
     chip::TLV::ScopedBufferTLVWriter writer(std::move(backingBuffer), subscriptionStorage.TestMaxSubscriptionSize() * 2);

     NL_TEST_ASSERT(inSuite, subscriptionStorage.TestSave(writer, subscriptionInfo1) == CHIP_NO_ERROR);

     // Additional too-many bytes
     chip::TLV::TLVType containerType;
     NL_TEST_ASSERT(inSuite,
                    writer.StartContainer(chip::TLV::AnonymousTag(), chip::TLV::kTLVType_Structure, containerType) == CHIP_NO_ERROR);
     // Write MaxSubscriptionSize() to guarantee Load failure
     chip::Platform::ScopedMemoryBuffer<uint8_t> additionalBytes;
     additionalBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize());
     NL_TEST_ASSERT(inSuite, additionalBytes.Get() != nullptr);
     NL_TEST_ASSERT(inSuite,
                    writer.PutBytes(kTestValue1Tag, additionalBytes.Get(),
                                    static_cast<uint32_t>(subscriptionStorage.TestMaxSubscriptionSize())) == CHIP_NO_ERROR);
     NL_TEST_ASSERT(inSuite, writer.EndContainer(containerType) == CHIP_NO_ERROR);

     const auto len = writer.GetLengthWritten();

     writer.Finalize(backingBuffer);

     NL_TEST_ASSERT(inSuite,
                    storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(),
                                            backingBuffer.Get(), static_cast<uint16_t>(len)) == CHIP_NO_ERROR);

     // Now read back and verify
     auto * iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
     TestSubscriptionInfo subscriptionInfo;
     NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
     iterator->Release();
 }

 void TestSubscriptionStateJunkData(nlTestSuite * inSuite, void * inContext)
 {
     chip::TestPersistentStorageDelegate storage;
     SimpleSubscriptionResumptionStorageTest subscriptionStorage;
     subscriptionStorage.Init(&storage);

     chip::Platform::ScopedMemoryBuffer<uint8_t> junkBytes;
     junkBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize() / 2);
     NL_TEST_ASSERT(inSuite, junkBytes.Get() != nullptr);
     NL_TEST_ASSERT(inSuite,
                    storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(), junkBytes.Get(),
                                            static_cast<uint16_t>(subscriptionStorage.TestMaxSubscriptionSize() / 2)) ==
                        CHIP_NO_ERROR);

     // Now read back and verify
     auto * iterator = subscriptionStorage.IterateSubscriptions();
     NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
     TestSubscriptionInfo subscriptionInfo;
     NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
     NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
     iterator->Release();
 }
 /**
  *  Set up the test suite.
  */
 int TestSubscription_Setup(void * inContext)
 {
     VerifyOrReturnError(CHIP_NO_ERROR == chip::Platform::MemoryInit(), FAILURE);

     return SUCCESS;
 }

 /**
  *  Tear down the test suite.
  */
 int TestSubscription_Teardown(void * inContext)
 {
     chip::Platform::MemoryShutdown();
     return SUCCESS;
 }

 // Test Suite

 /**
  *  Test Suite that lists all the test functions.
  */
 // clang-format off
 static const nlTest sTests[] =
 {
     NL_TEST_DEF("TestSubscriptionCount", TestSubscriptionCount),
     NL_TEST_DEF("TestSubscriptionMaxCount", TestSubscriptionMaxCount),
     NL_TEST_DEF("TestSubscriptionState", TestSubscriptionState),
     NL_TEST_DEF("TestSubscriptionStateUnexpectedFields", TestSubscriptionStateUnexpectedFields),
     NL_TEST_DEF("TestSubscriptionStateTooBigToLoad", TestSubscriptionStateTooBigToLoad),
     NL_TEST_DEF("TestSubscriptionStateJunkData", TestSubscriptionStateJunkData),

     NL_TEST_SENTINEL()
 };
 // clang-format on

 // clang-format off
 static nlTestSuite sSuite =
 {
     "Test-CHIP-SimpleSubscriptionResumptionStorage",
     &sTests[0],
     &TestSubscription_Setup, &TestSubscription_Teardown
 };
 // clang-format on

 /**
  *  Main
  */
 int TestSimpleSubscriptionResumptionStorage()
 {
     // Run test suit against one context
     nlTestRunner(&sSuite, nullptr);

     return (nlTestRunnerStats(&sSuite));
 }

 CHIP_REGISTER_TEST_SUITE(TestSimpleSubscriptionResumptionStorage)
	/*
	* Copyright (c) 2021 Project CHIP Authors
	* All rights reserved.
	*
	* 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 <lib/support/UnitTestRegistration.h>
	#include <nlunit-test.h>

	#include <app/SimpleSubscriptionResumptionStorage.h>
	#include <lib/support/TestPersistentStorageDelegate.h>

	#include <lib/support/DefaultStorageKeyAllocator.h>

	class SimpleSubscriptionResumptionStorageTest : public chip::app::SimpleSubscriptionResumptionStorage
	{
	public:
	CHIP_ERROR TestSave(chip::TLV::TLVWriter & writer,
	chip::app::SubscriptionResumptionStorage::SubscriptionInfo & subscriptionInfo)
	{
	return Save(writer, subscriptionInfo);
	}
	static constexpr size_t TestMaxSubscriptionSize() { return MaxSubscriptionSize(); }
	};

	struct TestSubscriptionInfo : public chip::app::SubscriptionResumptionStorage::SubscriptionInfo
	{
	bool operator==(const SubscriptionInfo & that) const
	{
	if ((mNodeId != that.mNodeId) \|\| (mFabricIndex != that.mFabricIndex) \|\| (mSubscriptionId != that.mSubscriptionId) \|\|
	(mMinInterval != that.mMinInterval) \|\| (mMaxInterval != that.mMaxInterval) \|\| (mFabricFiltered != that.mFabricFiltered))
	{
	return false;
	}
	if ((mAttributePaths.AllocatedSize() != that.mAttributePaths.AllocatedSize()) \|\|
	(mEventPaths.AllocatedSize() != that.mEventPaths.AllocatedSize()))
	{
	return false;
	}
	for (size_t i = 0; i < mAttributePaths.AllocatedSize(); i++)
	{
	if ((mAttributePaths[i].mEndpointId != that.mAttributePaths[i].mEndpointId) \|\|
	(mAttributePaths[i].mClusterId != that.mAttributePaths[i].mClusterId) \|\|
	(mAttributePaths[i].mAttributeId != that.mAttributePaths[i].mAttributeId))
	{
	return false;
	}
	}
	for (size_t i = 0; i < mEventPaths.AllocatedSize(); i++)
	{
	if ((mEventPaths[i].mEndpointId != that.mEventPaths[i].mEndpointId) \|\|
	(mEventPaths[i].mClusterId != that.mEventPaths[i].mClusterId) \|\|
	(mEventPaths[i].mEventId != that.mEventPaths[i].mEventId) \|\|
	(mEventPaths[i].mIsUrgentEvent != that.mEventPaths[i].mIsUrgentEvent))
	{
	return false;
	}
	}
	return true;
	}
	};

	void TestSubscriptionCount(nlTestSuite * inSuite, void * inContext)
	{
	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;
	subscriptionStorage.Init(&storage);

	// Write some subscriptions and see the counts are correct
	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo = { .mNodeId = 6666, .mFabricIndex = 46 };

	for (size_t i = 0; i < (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2); i++)
	{
	subscriptionInfo.mSubscriptionId = static_cast<chip::SubscriptionId>(i);
	subscriptionStorage.Save(subscriptionInfo);
	}

	// Make sure iterator counts correctly
	auto * iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2));

	// Verify subscriptions manually count correctly
	size_t count = 0;
	while (iterator->Next(subscriptionInfo))
	{
	count++;
	}
	iterator->Release();
	NL_TEST_ASSERT(inSuite, count == (CHIP_IM_MAX_NUM_SUBSCRIPTIONS / 2));

	// Delete all and verify iterator counts 0
	CHIP_ERROR err = subscriptionStorage.DeleteAll(46);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 0);

	// Verify subscriptions manually count correctly
	count = 0;
	while (iterator->Next(subscriptionInfo))
	{
	count++;
	}
	iterator->Release();
	NL_TEST_ASSERT(inSuite, count == 0);
	}

	void TestSubscriptionMaxCount(nlTestSuite * inSuite, void * inContext)
	{
	// Force large MacCount value and check that Init resets it properly, and deletes extra subs:

	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;

	// First set a large MaxCount before Init
	uint16_t countMaxToSave = 2 * CHIP_IM_MAX_NUM_SUBSCRIPTIONS;
	CHIP_ERROR err = storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(),
	&countMaxToSave, sizeof(uint16_t));
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

	// Then write something beyond CHIP_IM_MAX_NUM_SUBSCRIPTIONS
	chip::Platform::ScopedMemoryBuffer<uint8_t> junkBytes;
	junkBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize() / 2);
	NL_TEST_ASSERT(inSuite, junkBytes.Get() != nullptr);
	NL_TEST_ASSERT(inSuite,
	storage.SyncSetKeyValue(
	chip::DefaultStorageKeyAllocator::SubscriptionResumption(CHIP_IM_MAX_NUM_SUBSCRIPTIONS + 1).KeyName(),
	junkBytes.Get(), static_cast<uint16_t>(subscriptionStorage.TestMaxSubscriptionSize() / 2)) == CHIP_NO_ERROR);

	subscriptionStorage.Init(&storage);

	// First check the MaxCount is reset to CHIP_IM_MAX_NUM_SUBSCRIPTIONS
	uint16_t countMax = 0;
	uint16_t len = sizeof(countMax);
	err = storage.SyncGetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(), &countMax, len);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	NL_TEST_ASSERT(inSuite, countMax == CHIP_IM_MAX_NUM_SUBSCRIPTIONS);

	// Then check the fake sub is no more
	NL_TEST_ASSERT(inSuite,
	!storage.SyncDoesKeyExist(
	chip::DefaultStorageKeyAllocator::SubscriptionResumption(CHIP_IM_MAX_NUM_SUBSCRIPTIONS + 1).KeyName()));
	}

	void TestSubscriptionState(nlTestSuite * inSuite, void * inContext)
	{
	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;
	subscriptionStorage.Init(&storage);

	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
	.mNodeId = 1111,
	.mFabricIndex = 41,
	.mSubscriptionId = 1,
	.mMinInterval = 1,
	.mMaxInterval = 11,
	.mFabricFiltered = true,
	};
	subscriptionInfo1.mAttributePaths.Calloc(2);
	subscriptionInfo1.mAttributePaths[0].mEndpointId = 1;
	subscriptionInfo1.mAttributePaths[0].mClusterId = 1;
	subscriptionInfo1.mAttributePaths[0].mAttributeId = 1;
	subscriptionInfo1.mAttributePaths[1].mEndpointId = 2;
	subscriptionInfo1.mAttributePaths[1].mClusterId = 2;
	subscriptionInfo1.mAttributePaths[1].mAttributeId = 2;

	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo2 = {
	.mNodeId = 2222,
	.mFabricIndex = 42,
	.mSubscriptionId = 2,
	.mMinInterval = 2,
	.mMaxInterval = 12,
	.mFabricFiltered = false,
	};
	subscriptionInfo2.mEventPaths.Calloc(2);
	subscriptionInfo2.mEventPaths[0].mEndpointId = 3;
	subscriptionInfo2.mEventPaths[0].mClusterId = 3;
	subscriptionInfo2.mEventPaths[0].mEventId = 3;
	subscriptionInfo2.mEventPaths[0].mIsUrgentEvent = false;
	subscriptionInfo2.mEventPaths[1].mEndpointId = 4;
	subscriptionInfo2.mEventPaths[1].mClusterId = 4;
	subscriptionInfo2.mEventPaths[1].mEventId = 4;
	subscriptionInfo2.mEventPaths[1].mIsUrgentEvent = true;

	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo3 = {
	.mNodeId = 3333,
	.mFabricIndex = 43,
	.mSubscriptionId = 3,
	.mMinInterval = 3,
	.mMaxInterval = 13,
	.mFabricFiltered = true,
	};
	subscriptionInfo3.mAttributePaths.Calloc(2);
	subscriptionInfo3.mAttributePaths[0].mEndpointId = 5;
	subscriptionInfo3.mAttributePaths[0].mClusterId = 5;
	subscriptionInfo3.mAttributePaths[0].mAttributeId = 5;
	subscriptionInfo3.mAttributePaths[1].mEndpointId = 6;
	subscriptionInfo3.mAttributePaths[1].mClusterId = 6;
	subscriptionInfo3.mAttributePaths[1].mAttributeId = 6;
	subscriptionInfo3.mEventPaths.Calloc(2);
	subscriptionInfo3.mEventPaths[0].mEndpointId = 7;
	subscriptionInfo3.mEventPaths[0].mClusterId = 7;
	subscriptionInfo3.mEventPaths[0].mEventId = 7;
	subscriptionInfo2.mEventPaths[0].mIsUrgentEvent = true;
	subscriptionInfo3.mEventPaths[1].mEndpointId = 8;
	subscriptionInfo3.mEventPaths[1].mClusterId = 8;
	subscriptionInfo3.mEventPaths[1].mEventId = 8;
	subscriptionInfo2.mEventPaths[1].mIsUrgentEvent = false;

	CHIP_ERROR err;
	err = subscriptionStorage.Save(subscriptionInfo1);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	err = subscriptionStorage.Save(subscriptionInfo2);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);
	err = subscriptionStorage.Save(subscriptionInfo3);
	NL_TEST_ASSERT(inSuite, err == CHIP_NO_ERROR);

	auto * iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 3);

	// Verify subscriptions manually count correctly
	TestSubscriptionInfo subscriptionInfo;
	NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo1);
	NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo2);
	NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo3);
	// Verify at end of list
	NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
	iterator->Release();

	// Delete fabric 1 and subscription 2 and check only 3 remains.
	subscriptionStorage.Delete(subscriptionInfo1.mNodeId, subscriptionInfo1.mFabricIndex, subscriptionInfo1.mSubscriptionId);
	subscriptionStorage.DeleteAll(subscriptionInfo2.mFabricIndex);

	iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
	NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo3);
	// Verify at end of list
	NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
	iterator->Release();

	// Delete 3 also, and see that both count is 0 and MaxCount is removed from storage
	subscriptionStorage.DeleteAll(subscriptionInfo3.mFabricIndex);
	iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
	NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
	iterator->Release();

	uint16_t countMax = 0;
	uint16_t len = sizeof(countMax);
	err = storage.SyncGetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumptionMaxCount().KeyName(), &countMax, len);
	NL_TEST_ASSERT(inSuite, err == CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND);
	}

	static constexpr chip::TLV::Tag kTestValue1Tag = chip::TLV::ContextTag(30);
	static constexpr chip::TLV::Tag kTestValue2Tag = chip::TLV::ContextTag(31);

	void TestSubscriptionStateUnexpectedFields(nlTestSuite * inSuite, void * inContext)
	{
	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;
	subscriptionStorage.Init(&storage);

	// Write additional entries at the end of TLV and see it still loads correctly
	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
	.mNodeId = 4444,
	.mFabricIndex = 44,
	.mSubscriptionId = 4,
	.mMinInterval = 4,
	.mMaxInterval = 14,
	.mFabricFiltered = true,
	};
	subscriptionInfo1.mAttributePaths.Calloc(2);
	subscriptionInfo1.mAttributePaths[0].mEndpointId = 9;
	subscriptionInfo1.mAttributePaths[0].mClusterId = 9;
	subscriptionInfo1.mAttributePaths[0].mAttributeId = 9;
	subscriptionInfo1.mAttributePaths[1].mEndpointId = 10;
	subscriptionInfo1.mAttributePaths[1].mClusterId = 10;
	subscriptionInfo1.mAttributePaths[1].mAttributeId = 10;

	chip::Platform::ScopedMemoryBuffer<uint8_t> backingBuffer;
	backingBuffer.Calloc(subscriptionStorage.TestMaxSubscriptionSize());
	NL_TEST_ASSERT(inSuite, backingBuffer.Get() != nullptr);
	chip::TLV::ScopedBufferTLVWriter writer(std::move(backingBuffer), subscriptionStorage.TestMaxSubscriptionSize());

	NL_TEST_ASSERT(inSuite, subscriptionStorage.TestSave(writer, subscriptionInfo1) == CHIP_NO_ERROR);

	// Additional stuff
	chip::TLV::TLVType containerType;
	NL_TEST_ASSERT(inSuite,
	writer.StartContainer(chip::TLV::AnonymousTag(), chip::TLV::kTLVType_Structure, containerType) == CHIP_NO_ERROR);
	uint32_t value1 = 1;
	uint32_t value2 = 2;
	NL_TEST_ASSERT(inSuite, writer.Put(kTestValue1Tag, value1) == CHIP_NO_ERROR);
	NL_TEST_ASSERT(inSuite, writer.Put(kTestValue2Tag, value2) == CHIP_NO_ERROR);
	NL_TEST_ASSERT(inSuite, writer.EndContainer(containerType) == CHIP_NO_ERROR);

	const auto len = writer.GetLengthWritten();

	writer.Finalize(backingBuffer);

	NL_TEST_ASSERT(inSuite,
	storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(),
	backingBuffer.Get(), static_cast<uint16_t>(len)) == CHIP_NO_ERROR);

	// Now read back and verify
	auto * iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
	TestSubscriptionInfo subscriptionInfo;
	NL_TEST_ASSERT(inSuite, iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, subscriptionInfo == subscriptionInfo1);
	iterator->Release();
	}

	void TestSubscriptionStateTooBigToLoad(nlTestSuite * inSuite, void * inContext)
	{
	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;
	subscriptionStorage.Init(&storage);

	// Write additional too-big data at the end of TLV and see it fails to loads and entry deleted
	chip::app::SubscriptionResumptionStorage::SubscriptionInfo subscriptionInfo1 = {
	.mNodeId = 5555,
	.mFabricIndex = 45,
	.mSubscriptionId = 5,
	.mMinInterval = 5,
	.mMaxInterval = 15,
	.mFabricFiltered = false,
	};
	subscriptionInfo1.mAttributePaths.Calloc(2);
	subscriptionInfo1.mAttributePaths[0].mEndpointId = 11;
	subscriptionInfo1.mAttributePaths[0].mClusterId = 11;
	subscriptionInfo1.mAttributePaths[0].mAttributeId = 11;
	subscriptionInfo1.mAttributePaths[1].mEndpointId = 12;
	subscriptionInfo1.mAttributePaths[1].mClusterId = 12;
	subscriptionInfo1.mAttributePaths[1].mAttributeId = 12;

	chip::Platform::ScopedMemoryBuffer<uint8_t> backingBuffer;
	backingBuffer.Calloc(subscriptionStorage.TestMaxSubscriptionSize() * 2);
	NL_TEST_ASSERT(inSuite, backingBuffer.Get() != nullptr);
	chip::TLV::ScopedBufferTLVWriter writer(std::move(backingBuffer), subscriptionStorage.TestMaxSubscriptionSize() * 2);

	NL_TEST_ASSERT(inSuite, subscriptionStorage.TestSave(writer, subscriptionInfo1) == CHIP_NO_ERROR);

	// Additional too-many bytes
	chip::TLV::TLVType containerType;
	NL_TEST_ASSERT(inSuite,
	writer.StartContainer(chip::TLV::AnonymousTag(), chip::TLV::kTLVType_Structure, containerType) == CHIP_NO_ERROR);
	// Write MaxSubscriptionSize() to guarantee Load failure
	chip::Platform::ScopedMemoryBuffer<uint8_t> additionalBytes;
	additionalBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize());
	NL_TEST_ASSERT(inSuite, additionalBytes.Get() != nullptr);
	NL_TEST_ASSERT(inSuite,
	writer.PutBytes(kTestValue1Tag, additionalBytes.Get(),
	static_cast<uint32_t>(subscriptionStorage.TestMaxSubscriptionSize())) == CHIP_NO_ERROR);
	NL_TEST_ASSERT(inSuite, writer.EndContainer(containerType) == CHIP_NO_ERROR);

	const auto len = writer.GetLengthWritten();

	writer.Finalize(backingBuffer);

	NL_TEST_ASSERT(inSuite,
	storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(),
	backingBuffer.Get(), static_cast<uint16_t>(len)) == CHIP_NO_ERROR);

	// Now read back and verify
	auto * iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
	TestSubscriptionInfo subscriptionInfo;
	NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
	iterator->Release();
	}

	void TestSubscriptionStateJunkData(nlTestSuite * inSuite, void * inContext)
	{
	chip::TestPersistentStorageDelegate storage;
	SimpleSubscriptionResumptionStorageTest subscriptionStorage;
	subscriptionStorage.Init(&storage);

	chip::Platform::ScopedMemoryBuffer<uint8_t> junkBytes;
	junkBytes.Calloc(subscriptionStorage.TestMaxSubscriptionSize() / 2);
	NL_TEST_ASSERT(inSuite, junkBytes.Get() != nullptr);
	NL_TEST_ASSERT(inSuite,
	storage.SyncSetKeyValue(chip::DefaultStorageKeyAllocator::SubscriptionResumption(0).KeyName(), junkBytes.Get(),
	static_cast<uint16_t>(subscriptionStorage.TestMaxSubscriptionSize() / 2)) ==
	CHIP_NO_ERROR);

	// Now read back and verify
	auto * iterator = subscriptionStorage.IterateSubscriptions();
	NL_TEST_ASSERT(inSuite, iterator->Count() == 1);
	TestSubscriptionInfo subscriptionInfo;
	NL_TEST_ASSERT(inSuite, !iterator->Next(subscriptionInfo));
	NL_TEST_ASSERT(inSuite, iterator->Count() == 0);
	iterator->Release();
	}
	/**
	* Set up the test suite.
	*/
	int TestSubscription_Setup(void * inContext)
	{
	VerifyOrReturnError(CHIP_NO_ERROR == chip::Platform::MemoryInit(), FAILURE);

	return SUCCESS;
	}

	/**
	* Tear down the test suite.
	*/
	int TestSubscription_Teardown(void * inContext)
	{
	chip::Platform::MemoryShutdown();
	return SUCCESS;
	}

	// Test Suite

	/**
	* Test Suite that lists all the test functions.
	*/
	// clang-format off
	static const nlTest sTests[] =
	{
	NL_TEST_DEF("TestSubscriptionCount", TestSubscriptionCount),
	NL_TEST_DEF("TestSubscriptionMaxCount", TestSubscriptionMaxCount),
	NL_TEST_DEF("TestSubscriptionState", TestSubscriptionState),
	NL_TEST_DEF("TestSubscriptionStateUnexpectedFields", TestSubscriptionStateUnexpectedFields),
	NL_TEST_DEF("TestSubscriptionStateTooBigToLoad", TestSubscriptionStateTooBigToLoad),
	NL_TEST_DEF("TestSubscriptionStateJunkData", TestSubscriptionStateJunkData),

	NL_TEST_SENTINEL()
	};
	// clang-format on

	// clang-format off
	static nlTestSuite sSuite =
	{
	"Test-CHIP-SimpleSubscriptionResumptionStorage",
	&sTests[0],
	&TestSubscription_Setup, &TestSubscription_Teardown
	};
	// clang-format on

	/**
	* Main
	*/
	int TestSimpleSubscriptionResumptionStorage()
	{
	// Run test suit against one context
	nlTestRunner(&sSuite, nullptr);

	return (nlTestRunnerStats(&sSuite));
	}

	CHIP_REGISTER_TEST_SUITE(TestSimpleSubscriptionResumptionStorage)