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Add db usage counters (#912)

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Fixes #911
This commit is contained in:
Sergey Kuznetsov
2023-10-10 18:34:28 +01:00
committed by GitHub
parent fca29694a0
commit 5e6682ddc7
16 changed files with 930 additions and 233 deletions
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184
unittests/data/BackendCountersTests.cpp Normal file
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//------------------------------------------------------------------------------
/*
This file is part of clio: https://github.com/XRPLF/clio
Copyright (c) 2023, the clio developers.
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <data/BackendCounters.h>
#include <boost/json/parse.hpp>
#include <boost/json/serialize.hpp>
#include <gtest/gtest.h>
using namespace data;
class BackendCountersTest : public ::testing::Test
{
protected:
static boost::json::object
emptyReport()
{
return boost::json::parse(R"({
"too_busy": 0,
"write_sync": 0,
"write_sync_retry": 0,
"write_async_pending": 0,
"write_async_completed": 0,
"write_async_retry": 0,
"write_async_error": 0,
"read_async_pending": 0,
"read_async_completed": 0,
"read_async_retry": 0,
"read_async_error": 0
})")
.as_object();
}
};
TEST_F(BackendCountersTest, EmptyByDefault)
{
auto const counters = BackendCounters::make();
EXPECT_EQ(counters->report(), emptyReport());
}
TEST_F(BackendCountersTest, RegisterTooBusy)
{
auto const counters = BackendCounters::make();
counters->registerTooBusy();
counters->registerTooBusy();
counters->registerTooBusy();
auto expectedReport = emptyReport();
expectedReport["too_busy"] = 3;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterWriteSync)
{
auto const counters = BackendCounters::make();
counters->registerWriteSync();
counters->registerWriteSync();
auto expectedReport = emptyReport();
expectedReport["write_sync"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterWriteSyncRetry)
{
auto const counters = BackendCounters::make();
counters->registerWriteSyncRetry();
counters->registerWriteSyncRetry();
counters->registerWriteSyncRetry();
auto expectedReport = emptyReport();
expectedReport["write_sync_retry"] = 3;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterWriteStarted)
{
auto const counters = BackendCounters::make();
counters->registerWriteStarted();
counters->registerWriteStarted();
auto expectedReport = emptyReport();
expectedReport["write_async_pending"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterWriteFinished)
{
auto const counters = BackendCounters::make();
counters->registerWriteStarted();
counters->registerWriteStarted();
counters->registerWriteStarted();
counters->registerWriteFinished();
counters->registerWriteFinished();
auto expectedReport = emptyReport();
expectedReport["write_async_pending"] = 1;
expectedReport["write_async_completed"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterWriteRetry)
{
auto const counters = BackendCounters::make();
counters->registerWriteRetry();
counters->registerWriteRetry();
auto expectedReport = emptyReport();
expectedReport["write_async_retry"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterReadStarted)
{
auto const counters = BackendCounters::make();
counters->registerReadStarted();
counters->registerReadStarted();
auto expectedReport = emptyReport();
expectedReport["read_async_pending"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterReadFinished)
{
auto const counters = BackendCounters::make();
counters->registerReadStarted();
counters->registerReadStarted();
counters->registerReadStarted();
counters->registerReadFinished();
counters->registerReadFinished();
auto expectedReport = emptyReport();
expectedReport["read_async_pending"] = 1;
expectedReport["read_async_completed"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterReadStartedFinishedWithCounters)
{
static constexpr auto OPERATIONS_STARTED = 7u;
static constexpr auto OPERATIONS_COMPLETED = 4u;
auto const counters = BackendCounters::make();
counters->registerReadStarted(OPERATIONS_STARTED);
counters->registerReadFinished(OPERATIONS_COMPLETED);
auto expectedReport = emptyReport();
expectedReport["read_async_pending"] = OPERATIONS_STARTED - OPERATIONS_COMPLETED;
expectedReport["read_async_completed"] = OPERATIONS_COMPLETED;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterReadRetry)
{
auto const counters = BackendCounters::make();
counters->registerReadRetry();
counters->registerReadRetry();
auto expectedReport = emptyReport();
expectedReport["read_async_retry"] = 2;
EXPECT_EQ(counters->report(), expectedReport);
}
TEST_F(BackendCountersTest, RegisterReadError)
{
static constexpr auto OPERATIONS_STARTED = 7u;
static constexpr auto OPERATIONS_ERROR = 2u;
static constexpr auto OPERATIONS_COMPLETED = 1u;
auto const counters = BackendCounters::make();
counters->registerReadStarted(OPERATIONS_STARTED);
counters->registerReadError(OPERATIONS_ERROR);
counters->registerReadFinished(OPERATIONS_COMPLETED);
auto expectedReport = emptyReport();
expectedReport["read_async_pending"] = OPERATIONS_STARTED - OPERATIONS_COMPLETED - OPERATIONS_ERROR;
expectedReport["read_async_completed"] = OPERATIONS_COMPLETED;
expectedReport["read_async_error"] = OPERATIONS_ERROR;
EXPECT_EQ(counters->report(), expectedReport);
}