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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#include "db/blob/blob_file_addition.h"
#include <cstdint>
#include <cstring>
#include <string>
#include "test_util/sync_point.h"
#include "test_util/testharness.h"
#include "util/coding.h"
namespace ROCKSDB_NAMESPACE {
class BlobFileAdditionTest : public testing::Test {
public:
static void TestEncodeDecode(const BlobFileAddition& blob_file_addition) {
std::string encoded;
blob_file_addition.EncodeTo(&encoded);
BlobFileAddition decoded;
Slice input(encoded);
ASSERT_OK(decoded.DecodeFrom(&input));
ASSERT_EQ(blob_file_addition, decoded);
}
};
TEST_F(BlobFileAdditionTest, Empty) {
BlobFileAddition blob_file_addition;
ASSERT_EQ(blob_file_addition.GetBlobFileNumber(), kInvalidBlobFileNumber);
ASSERT_EQ(blob_file_addition.GetTotalBlobCount(), 0);
ASSERT_EQ(blob_file_addition.GetTotalBlobBytes(), 0);
ASSERT_TRUE(blob_file_addition.GetChecksumMethod().empty());
ASSERT_TRUE(blob_file_addition.GetChecksumValue().empty());
TestEncodeDecode(blob_file_addition);
}
TEST_F(BlobFileAdditionTest, NonEmpty) {
constexpr uint64_t blob_file_number = 123;
constexpr uint64_t total_blob_count = 2;
constexpr uint64_t total_blob_bytes = 123456;
const std::string checksum_method("SHA1");
const std::string checksum_value(
"\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52"
"\x5c\xbd");
BlobFileAddition blob_file_addition(blob_file_number, total_blob_count,
total_blob_bytes, checksum_method,
checksum_value);
ASSERT_EQ(blob_file_addition.GetBlobFileNumber(), blob_file_number);
ASSERT_EQ(blob_file_addition.GetTotalBlobCount(), total_blob_count);
ASSERT_EQ(blob_file_addition.GetTotalBlobBytes(), total_blob_bytes);
ASSERT_EQ(blob_file_addition.GetChecksumMethod(), checksum_method);
ASSERT_EQ(blob_file_addition.GetChecksumValue(), checksum_value);
TestEncodeDecode(blob_file_addition);
}
TEST_F(BlobFileAdditionTest, DecodeErrors) {
std::string str;
Slice slice(str);
BlobFileAddition blob_file_addition;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "blob file number"));
}
constexpr uint64_t blob_file_number = 123;
PutVarint64(&str, blob_file_number);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "total blob count"));
}
constexpr uint64_t total_blob_count = 4567;
PutVarint64(&str, total_blob_count);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "total blob bytes"));
}
constexpr uint64_t total_blob_bytes = 12345678;
PutVarint64(&str, total_blob_bytes);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "checksum method"));
}
constexpr char checksum_method[] = "SHA1";
PutLengthPrefixedSlice(&str, checksum_method);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "checksum value"));
}
constexpr char checksum_value[] =
"\xbd\xb7\xf3\x4a\x59\xdf\xa1\x59\x2c\xe7\xf5\x2e\x99\xf9\x8c\x57\x0c\x52"
"\x5c\xbd";
PutLengthPrefixedSlice(&str, checksum_value);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "custom field tag"));
}
constexpr uint32_t custom_tag = 2;
PutVarint32(&str, custom_tag);
slice = str;
{
const Status s = blob_file_addition.DecodeFrom(&slice);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "custom field value"));
}
}
TEST_F(BlobFileAdditionTest, ForwardCompatibleCustomField) {
SyncPoint::GetInstance()->SetCallBack(
"BlobFileAddition::EncodeTo::CustomFields", [&](void* arg) {
std::string* output = static_cast<std::string*>(arg);
constexpr uint32_t forward_compatible_tag = 2;
PutVarint32(output, forward_compatible_tag);
PutLengthPrefixedSlice(output, "deadbeef");
});
SyncPoint::GetInstance()->EnableProcessing();
constexpr uint64_t blob_file_number = 678;
constexpr uint64_t total_blob_count = 9999;
constexpr uint64_t total_blob_bytes = 100000000;
const std::string checksum_method("CRC32");
const std::string checksum_value("\x3d\x87\xff\x57");
BlobFileAddition blob_file_addition(blob_file_number, total_blob_count,
total_blob_bytes, checksum_method,
checksum_value);
TestEncodeDecode(blob_file_addition);
SyncPoint::GetInstance()->DisableProcessing();
SyncPoint::GetInstance()->ClearAllCallBacks();
}
TEST_F(BlobFileAdditionTest, ForwardIncompatibleCustomField) {
SyncPoint::GetInstance()->SetCallBack(
"BlobFileAddition::EncodeTo::CustomFields", [&](void* arg) {
std::string* output = static_cast<std::string*>(arg);
constexpr uint32_t forward_incompatible_tag = (1 << 6) + 1;
PutVarint32(output, forward_incompatible_tag);
PutLengthPrefixedSlice(output, "foobar");
});
SyncPoint::GetInstance()->EnableProcessing();
constexpr uint64_t blob_file_number = 456;
constexpr uint64_t total_blob_count = 100;
constexpr uint64_t total_blob_bytes = 2000000;
const std::string checksum_method("CRC32B");
const std::string checksum_value("\x6d\xbd\xf2\x3a");
BlobFileAddition blob_file_addition(blob_file_number, total_blob_count,
total_blob_bytes, checksum_method,
checksum_value);
std::string encoded;
blob_file_addition.EncodeTo(&encoded);
BlobFileAddition decoded_blob_file_addition;
Slice input(encoded);
const Status s = decoded_blob_file_addition.DecodeFrom(&input);
ASSERT_TRUE(s.IsCorruption());
ASSERT_TRUE(std::strstr(s.getState(), "Forward incompatible"));
SyncPoint::GetInstance()->DisableProcessing();
SyncPoint::GetInstance()->ClearAllCallBacks();
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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