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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/fastos.h>
#include <vespa/config/print/fileconfigwriter.h>
#include <vespa/searchcore/config/config-hwinfo.h>
#include <vespa/searchcore/proton/common/hw_info_sampler.h>
#include <vespa/searchlib/test/directory_handler.h>
#include <vespa/vespalib/testkit/testapp.h>
using proton::HwInfoSampler;
using search::test::DirectoryHandler;
using vespa::config::search::core::HwinfoConfig;
using vespa::config::search::core::HwinfoConfigBuilder;
using Clock = std::chrono::system_clock;
using Config = HwInfoSampler::Config;
namespace {
const vespalib::string test_dir = "temp";
constexpr uint64_t sampleLen = 1024 * 1024 * 40;
long time_point_to_long(Clock::time_point tp)
{
return std::chrono::duration_cast<std::chrono::seconds>(tp.time_since_epoch()).count();
}
}
struct Fixture
{
DirectoryHandler _dirHandler;
Fixture()
: _dirHandler(test_dir)
{
}
void writeConfig(const HwinfoConfig &config) {
config::FileConfigWriter writer(test_dir + "/hwinfo.cfg");
ASSERT_TRUE(writer.write(config));
}
};
TEST_F("Test that hw_info_sampler uses override info", Fixture)
{
Config samplerCfg(75.0, 100.0, sampleLen);
HwInfoSampler sampler(test_dir, samplerCfg);
EXPECT_EQUAL(75.0, sampler.diskWriteSpeed());
EXPECT_NOT_EQUAL(0, time_point_to_long(sampler.sampleTime()));
EXPECT_TRUE(sampler.hwInfo().slowDisk());
}
TEST_F("Test that hw_info_sampler uses saved info", Fixture)
{
HwinfoConfigBuilder builder;
builder.disk.writespeed = 72.0;
builder.disk.sampletime = time_point_to_long(Clock::now());
f.writeConfig(builder);
Config samplerCfg(0.0, 70.0, sampleLen);
HwInfoSampler sampler(test_dir, samplerCfg);
EXPECT_EQUAL(builder.disk.writespeed, sampler.diskWriteSpeed());
EXPECT_EQUAL(builder.disk.sampletime, time_point_to_long(sampler.sampleTime()));
EXPECT_FALSE(sampler.hwInfo().slowDisk());
}
TEST_F("Test that hw_info_sampler can sample disk write speed", Fixture)
{
Config samplerCfg(0.0, 100.0, sampleLen);
HwInfoSampler sampler(test_dir, samplerCfg);
ASSERT_NOT_EQUAL(0.0, sampler.diskWriteSpeed());
ASSERT_NOT_EQUAL(0, time_point_to_long(sampler.sampleTime()));
HwInfoSampler sampler2(test_dir, samplerCfg);
EXPECT_APPROX(sampler.diskWriteSpeed(), sampler2.diskWriteSpeed(), 0.1);
EXPECT_EQUAL(time_point_to_long(sampler.sampleTime()),
time_point_to_long(sampler2.sampleTime()));
}
TEST_MAIN()
{
vespalib::rmdir(test_dir, true);
TEST_RUN_ALL();
}
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