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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <gtest/gtest.h>
#include <map>
#include <string>
#include <unordered_map>
#include <utility>
#include "opentelemetry/common/key_value_iterable_view.h"
#include "opentelemetry/sdk/common/custom_hash_equality.h"
#include "opentelemetry/sdk/metrics/view/attributes_processor.h"
using namespace opentelemetry::sdk::metrics;
using namespace opentelemetry::common;
using namespace opentelemetry::sdk::common;
TEST(AttributesProcessor, FilteringAttributesProcessor)
{
const int kNumFilterAttributes = 3;
opentelemetry::sdk::metrics::FilterAttributeMap filter = {
{"attr2", true}, {"attr4", true}, {"attr6", true}};
const int kNumAttributes = 6;
std::string keys[kNumAttributes] = {"attr1", "attr2", "attr3", "attr4", "attr5", "attr6"};
int values[kNumAttributes] = {10, 20, 30, 40, 50, 60};
std::map<std::string, int> attributes = {{keys[0], values[0]}, {keys[1], values[1]},
{keys[2], values[2]}, {keys[3], values[3]},
{keys[4], values[4]}, {keys[5], values[5]}};
FilteringAttributesProcessor attributes_processor(filter);
opentelemetry::common::KeyValueIterableView<std::map<std::string, int>> iterable(attributes);
auto filtered_attributes = attributes_processor.process(iterable);
for (auto &e : filtered_attributes)
{
EXPECT_FALSE(filter.find(e.first) == filter.end());
}
EXPECT_EQ(filter.size(), kNumFilterAttributes);
}
TEST(AttributesProcessor, FilteringAllAttributesProcessor)
{
const int kNumFilterAttributes = 0;
opentelemetry::sdk::metrics::FilterAttributeMap filter = {};
const int kNumAttributes = 6;
std::string keys[kNumAttributes] = {"attr1", "attr2", "attr3", "attr4", "attr5", "attr6"};
int values[kNumAttributes] = {10, 20, 30, 40, 50, 60};
std::map<std::string, int> attributes = {{keys[0], values[0]}, {keys[1], values[1]},
{keys[2], values[2]}, {keys[3], values[3]},
{keys[4], values[4]}, {keys[5], values[5]}};
FilteringAttributesProcessor attributes_processor(filter);
opentelemetry::common::KeyValueIterableView<std::map<std::string, int>> iterable(attributes);
auto filtered_attributes = attributes_processor.process(iterable);
EXPECT_EQ(filter.size(), kNumFilterAttributes);
}
TEST(AttributesProcessor, FilteringExcludeAttributesProcessor)
{
opentelemetry::sdk::metrics::FilterAttributeMap filter = {
{"attr2", true}, {"attr4", true}, {"attr6", true}};
const int kNumAttributes = 7;
std::string keys[kNumAttributes] = {"attr1", "attr2", "attr3", "attr4",
"attr5", "attr6", "attr7"};
int values[kNumAttributes] = {10, 20, 30, 40, 50, 60, 70};
std::map<std::string, int> attributes = {
{keys[0], values[0]}, {keys[1], values[1]}, {keys[2], values[2]}, {keys[3], values[3]},
{keys[4], values[4]}, {keys[5], values[5]}, {keys[6], values[6]}};
FilteringExcludeAttributesProcessor attributes_processor(filter);
opentelemetry::common::KeyValueIterableView<std::map<std::string, int>> iterable(attributes);
auto filtered_attributes = attributes_processor.process(iterable);
for (auto &e : filtered_attributes)
{
EXPECT_TRUE(filter.find(e.first) == filter.end());
}
int expected_filtered_attributes_size = 4;
EXPECT_EQ(filtered_attributes.size(), expected_filtered_attributes_size);
}
TEST(AttributesProcessor, FilteringExcludeAllAttributesProcessor)
{
opentelemetry::sdk::metrics::FilterAttributeMap filter = {};
const int kNumAttributes = 6;
std::string keys[kNumAttributes] = {"attr1", "attr2", "attr3", "attr4", "attr5", "attr6"};
int values[kNumAttributes] = {10, 20, 30, 40, 50, 60};
std::map<std::string, int> attributes = {{keys[0], values[0]}, {keys[1], values[1]},
{keys[2], values[2]}, {keys[3], values[3]},
{keys[4], values[4]}, {keys[5], values[5]}};
FilteringExcludeAttributesProcessor attributes_processor(filter);
opentelemetry::common::KeyValueIterableView<std::map<std::string, int>> iterable(attributes);
auto filtered_attributes = attributes_processor.process(iterable);
EXPECT_EQ(filtered_attributes.size(), kNumAttributes);
}
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