rocksdb/monitoring/statistics_test.cc

93 lines
3.3 KiB
C++

// 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 "rocksdb/statistics.h"
#include "port/stack_trace.h"
#include "rocksdb/convenience.h"
#include "rocksdb/utilities/options_type.h"
#include "test_util/testharness.h"
#include "test_util/testutil.h"
namespace ROCKSDB_NAMESPACE {
class StatisticsTest : public testing::Test {};
// Sanity check to make sure that contents and order of TickersNameMap
// match Tickers enum
TEST_F(StatisticsTest, SanityTickers) {
EXPECT_EQ(static_cast<size_t>(Tickers::TICKER_ENUM_MAX),
TickersNameMap.size());
for (uint32_t t = 0; t < Tickers::TICKER_ENUM_MAX; t++) {
auto pair = TickersNameMap[static_cast<size_t>(t)];
ASSERT_EQ(pair.first, t) << "Miss match at " << pair.second;
}
}
// Sanity check to make sure that contents and order of HistogramsNameMap
// match Tickers enum
TEST_F(StatisticsTest, SanityHistograms) {
EXPECT_EQ(static_cast<size_t>(Histograms::HISTOGRAM_ENUM_MAX),
HistogramsNameMap.size());
for (uint32_t h = 0; h < Histograms::HISTOGRAM_ENUM_MAX; h++) {
auto pair = HistogramsNameMap[static_cast<size_t>(h)];
ASSERT_EQ(pair.first, h) << "Miss match at " << pair.second;
}
}
TEST_F(StatisticsTest, NoNameStats) {
static std::unordered_map<std::string, OptionTypeInfo> no_name_opt_info = {
#ifndef ROCKSDB_LITE
{"inner",
OptionTypeInfo::AsCustomSharedPtr<Statistics>(
0, OptionVerificationType::kByName,
OptionTypeFlags::kAllowNull | OptionTypeFlags::kCompareNever)},
#endif // ROCKSDB_LITE
};
class DefaultNameStatistics : public Statistics {
public:
DefaultNameStatistics(const std::shared_ptr<Statistics>& stats = nullptr)
: inner(stats) {
RegisterOptions("", &inner, &no_name_opt_info);
}
uint64_t getTickerCount(uint32_t /*tickerType*/) const override {
return 0;
}
void histogramData(uint32_t /*type*/,
HistogramData* const /*data*/) const override {}
void recordTick(uint32_t /*tickerType*/, uint64_t /*count*/) override {}
void setTickerCount(uint32_t /*tickerType*/, uint64_t /*count*/) override {}
uint64_t getAndResetTickerCount(uint32_t /*tickerType*/) override {
return 0;
}
std::shared_ptr<Statistics> inner;
};
ConfigOptions options;
options.ignore_unsupported_options = false;
auto stats = std::make_shared<DefaultNameStatistics>();
ASSERT_STREQ(stats->Name(), "");
#ifndef ROCKSDB_LITE
ASSERT_EQ("", stats->ToString(
options)); // A stats with no name with have no options...
ASSERT_OK(stats->ConfigureFromString(options, "inner="));
ASSERT_EQ("", stats->ToString(
options)); // A stats with no name with have no options...
ASSERT_NE(stats->inner, nullptr);
ASSERT_NE("", stats->inner->ToString(options)); // ... even if it does...
#endif // ROCKSDB_LITE
}
} // namespace ROCKSDB_NAMESPACE
int main(int argc, char** argv) {
ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}