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#include "common/perf_counters_key.h"
#include <gtest/gtest.h>
namespace ceph::perf_counters {
TEST(PerfCounters, key_create)
{
EXPECT_EQ(key_create(""),
std::string_view("\0", 1));
EXPECT_EQ(key_create("perf"),
std::string_view("perf\0", 5));
EXPECT_EQ(key_create("perf", {{"",""}}),
std::string_view("perf\0\0\0", 7));
EXPECT_EQ(key_create("perf", {{"","a"}, {"",""}}),
std::string_view("perf\0\0a\0", 8));
EXPECT_EQ(key_create("perf", {{"a","b"}}),
std::string_view("perf\0a\0b\0", 9));
EXPECT_EQ(key_create("perf", {{"y","z"}, {"a","b"}}),
std::string_view("perf\0a\0b\0y\0z\0", 13));
EXPECT_EQ(key_create("perf", {{"a","b"}, {"a","c"}}),
std::string_view("perf\0a\0b\0", 9));
EXPECT_EQ(key_create("perf", {{"a","z"}, {"a","b"}}),
std::string_view("perf\0a\0z\0", 9));
EXPECT_EQ(key_create("perf", {{"d",""}, {"c",""}, {"b",""}, {"a",""}}),
std::string_view("perf\0a\0\0b\0\0c\0\0d\0\0", 17));
}
TEST(PerfCounters, key_insert)
{
EXPECT_EQ(key_insert("", {{"",""}}),
std::string_view("\0\0\0", 3));
EXPECT_EQ(key_insert("", {{"",""}, {"",""}}),
std::string_view("\0\0\0", 3));
EXPECT_EQ(key_insert(std::string_view{"\0\0\0", 3}, {{"",""}}),
std::string_view("\0\0\0", 3));
EXPECT_EQ(key_insert(std::string_view{"\0", 1}, {{"",""}}),
std::string_view("\0\0\0", 3));
EXPECT_EQ(key_insert("", {{"a","b"}}),
std::string_view("\0a\0b\0", 5));
EXPECT_EQ(key_insert(std::string_view{"\0", 1}, {{"a","b"}}),
std::string_view("\0a\0b\0", 5));
EXPECT_EQ(key_insert("a", {{"",""}}),
std::string_view("a\0\0\0", 4));
EXPECT_EQ(key_insert(std::string_view{"a\0", 2}, {{"",""}}),
std::string_view("a\0\0\0", 4));
EXPECT_EQ(key_insert(std::string_view{"p\0", 2}, {{"a","b"}}),
std::string_view("p\0a\0b\0", 6));
EXPECT_EQ(key_insert(std::string_view{"p\0a\0a\0", 6}, {{"a","b"}}),
std::string_view("p\0a\0b\0", 6));
EXPECT_EQ(key_insert(std::string_view{"p\0a\0z\0", 6}, {{"a","b"}}),
std::string_view("p\0a\0b\0", 6));
EXPECT_EQ(key_insert(std::string_view{"p\0z\0z\0", 6}, {{"a","b"}}),
std::string_view("p\0a\0b\0z\0z\0", 10));
EXPECT_EQ(key_insert(std::string_view{"p\0b\0b\0", 6},
{{"a","a"}, {"c","c"}}),
std::string_view("p\0a\0a\0b\0b\0c\0c\0", 14));
EXPECT_EQ(key_insert(std::string_view{"p\0a\0a\0b\0b\0c\0c\0", 14},
{{"z","z"}, {"b","z"}}),
std::string_view("p\0a\0a\0b\0z\0c\0c\0z\0z\0", 18));
}
TEST(PerfCounters, key_name)
{
EXPECT_EQ(key_name(""),
"");
EXPECT_EQ(key_name({"\0", 1}),
"");
EXPECT_EQ(key_name({"perf\0", 5}),
"perf");
EXPECT_EQ(key_name({"perf\0\0\0", 7}),
"perf");
}
TEST(PerfCounters, key_labels)
{
{
auto labels = key_labels("");
EXPECT_EQ(labels.begin(), labels.end());
}
{
auto labels = key_labels({"\0", 1});
EXPECT_EQ(labels.begin(), labels.end());
}
{
auto labels = key_labels({"perf\0", 5});
EXPECT_EQ(labels.begin(), labels.end());
}
{
auto labels = key_labels({"\0\0\0", 3});
ASSERT_EQ(1, std::distance(labels.begin(), labels.end()));
EXPECT_EQ(label_pair("", ""), *labels.begin());
}
{
auto labels = key_labels({"\0a\0b\0", 5});
ASSERT_EQ(1, std::distance(labels.begin(), labels.end()));
EXPECT_EQ(label_pair("a", "b"), *labels.begin());
EXPECT_EQ(std::next(labels.begin()), labels.end());
}
{
auto labels = key_labels({"\0a\0b\0c\0d\0", 9});
ASSERT_EQ(2, std::distance(labels.begin(), labels.end()));
EXPECT_EQ(label_pair("a", "b"), *labels.begin());
EXPECT_EQ(label_pair("c", "d"), *std::next(labels.begin()));
EXPECT_EQ(std::next(labels.begin(), 2), labels.end());
}
}
} // namespace ceph::perf_counters
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