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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/storage/persistence/filestorage/service_layer_host_info_reporter.h>
#include <tests/common/hostreporter/util.h>
#include <tests/common/testnodestateupdater.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/io/fileutil.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <vespa/vespalib/gtest/gtest.h>
#include <iostream>
namespace storage {
using spi::AttributeResourceUsage;
using spi::ResourceUsage;
namespace {
double
get_usage_element(const vespalib::Slime& root, const vespalib::string& label)
{
return root.get()["content-node"]["resource-usage"][label]["usage"].asDouble();
}
AttributeResourceUsage
get_attribute_usage_element(const vespalib::Slime& root, const vespalib::string& label)
{
double usage = get_usage_element(root, label);
auto name = root.get()["content-node"]["resource-usage"][label]["name"].asString();
return AttributeResourceUsage(usage, name.make_string());
}
const vespalib::string attr_es_name("doctype.subdb.esattr");
const vespalib::string attr_mv_name("doctype.subdb.mvattr");
}
struct ServiceLayerHostInfoReporterTest : ::testing::Test {
TestNodeStateUpdater _state_manager;
ServiceLayerHostInfoReporter _reporter;
ServiceLayerHostInfoReporterTest();
~ServiceLayerHostInfoReporterTest();
void notify(double disk_usage, double memory_usage, const AttributeResourceUsage &attribute_enum_store_usage, const AttributeResourceUsage &attribute_multivalue_usage) {
auto& listener = static_cast<spi::IResourceUsageListener&>(_reporter);
listener.update_resource_usage(ResourceUsage(disk_usage, memory_usage, attribute_enum_store_usage, attribute_multivalue_usage));
}
void notify(double disk_usage, double memory_usage) {
notify(disk_usage, memory_usage, {0.0, ""}, {0.0, ""});
}
size_t requested_almost_immediate_replies() { return _state_manager.requested_almost_immediate_node_state_replies(); }
ResourceUsage get_old_usage() { return _reporter.get_old_resource_usage(); }
ResourceUsage get_usage() { return _reporter.get_usage(); }
ResourceUsage get_slime_usage() {
vespalib::Slime root;
util::reporterToSlime(_reporter, root);
return ResourceUsage(get_usage_element(root, "disk"), get_usage_element(root, "memory"), get_attribute_usage_element(root, "attribute-enum-store"), get_attribute_usage_element(root, "attribute-multi-value"));
}
};
ServiceLayerHostInfoReporterTest::ServiceLayerHostInfoReporterTest()
: _state_manager(lib::NodeType::STORAGE),
_reporter(_state_manager)
{
}
ServiceLayerHostInfoReporterTest::~ServiceLayerHostInfoReporterTest() = default;
TEST_F(ServiceLayerHostInfoReporterTest, request_almost_immediate_node_state_as_needed)
{
EXPECT_EQ(0, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.0, 0.0), get_old_usage());
EXPECT_EQ(ResourceUsage(0.0, 0.0), get_usage());
notify(0.5, 0.4);
EXPECT_EQ(1, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.5, 0.4), get_old_usage());
EXPECT_EQ(ResourceUsage(0.5, 0.4), get_usage());
notify(0.5001, 0.4001);
EXPECT_EQ(1, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.5, 0.4), get_old_usage());
EXPECT_EQ(ResourceUsage(0.5001, 0.4001), get_usage());
notify(0.8, 0.4);
EXPECT_EQ(2, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.8, 0.4), get_old_usage());
EXPECT_EQ(ResourceUsage(0.8, 0.4), get_usage());
notify(0.8, 0.7);
EXPECT_EQ(3, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.8, 0.7), get_old_usage());
EXPECT_EQ(ResourceUsage(0.8, 0.7), get_usage());
notify(0.7999, 0.6999);
EXPECT_EQ(3, requested_almost_immediate_replies());
EXPECT_EQ(ResourceUsage(0.8, 0.7), get_old_usage());
EXPECT_EQ(ResourceUsage(0.7999, 0.6999), get_usage());
notify(0.8, 0.7, {0.1, attr_es_name}, {});
EXPECT_EQ(ResourceUsage(0.8, 0.7, {0.1, attr_es_name}, {}), get_old_usage());
EXPECT_EQ(ResourceUsage(0.8, 0.7, {0.1, attr_es_name}, {}), get_usage());
notify(0.8, 0.7, {0.1, attr_es_name}, {0.2, attr_mv_name});
EXPECT_EQ(ResourceUsage(0.8, 0.7, {0.1, attr_es_name}, {0.2, attr_mv_name}), get_old_usage());
EXPECT_EQ(ResourceUsage(0.8, 0.7, {0.1, attr_es_name}, {0.2, attr_mv_name}), get_usage());
}
TEST_F(ServiceLayerHostInfoReporterTest, json_report_generated)
{
EXPECT_EQ(ResourceUsage(0.0, 0.0), get_slime_usage());
notify(0.5, 0.4);
EXPECT_EQ(ResourceUsage(0.5, 0.4), get_slime_usage());
notify(0.5, 0.4, {0.3, attr_es_name}, {0.2, attr_mv_name});
EXPECT_EQ(ResourceUsage(0.5, 0.4, {0.3, attr_es_name}, {0.2, attr_mv_name}), get_slime_usage());
}
}
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