| /* |
| * |
| * Copyright 2017 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| extern "C" { |
| #include "src/core/lib/debug/stats.h" |
| } |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/log.h> |
| #include <gtest/gtest.h> |
| |
| namespace grpc { |
| namespace testing { |
| |
| class Snapshot { |
| public: |
| Snapshot() { grpc_stats_collect(&begin_); } |
| |
| grpc_stats_data delta() { |
| grpc_stats_data now; |
| grpc_stats_collect(&now); |
| grpc_stats_data delta; |
| grpc_stats_diff(&now, &begin_, &delta); |
| return delta; |
| } |
| |
| private: |
| grpc_stats_data begin_; |
| }; |
| |
| TEST(StatsTest, IncCounters) { |
| for (int i = 0; i < GRPC_STATS_COUNTER_COUNT; i++) { |
| Snapshot snapshot; |
| |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| GRPC_STATS_INC_COUNTER(&exec_ctx, (grpc_stats_counters)i); |
| grpc_exec_ctx_finish(&exec_ctx); |
| |
| EXPECT_EQ(snapshot.delta().counters[i], 1); |
| } |
| } |
| |
| TEST(StatsTest, IncSpecificCounter) { |
| Snapshot snapshot; |
| |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| GRPC_STATS_INC_SYSCALL_POLL(&exec_ctx); |
| grpc_exec_ctx_finish(&exec_ctx); |
| |
| EXPECT_EQ(snapshot.delta().counters[GRPC_STATS_COUNTER_SYSCALL_POLL], 1); |
| } |
| |
| static int FindExpectedBucket(int i, int j) { |
| if (j < 0) { |
| return 0; |
| } |
| if (j >= grpc_stats_histo_bucket_boundaries[i][grpc_stats_histo_buckets[i]]) { |
| return grpc_stats_histo_buckets[i] - 1; |
| } |
| return std::upper_bound(grpc_stats_histo_bucket_boundaries[i], |
| grpc_stats_histo_bucket_boundaries[i] + |
| grpc_stats_histo_buckets[i], |
| j) - |
| grpc_stats_histo_bucket_boundaries[i] - 1; |
| } |
| |
| TEST(StatsTest, IncHistogram) { |
| for (int i = 0; i < GRPC_STATS_HISTOGRAM_COUNT; i++) { |
| std::vector<int> test_values; |
| for (int j = -1000; |
| j < |
| grpc_stats_histo_bucket_boundaries[i] |
| [grpc_stats_histo_buckets[i] - 1] + |
| 1000; |
| j++) { |
| test_values.push_back(j); |
| } |
| std::random_shuffle(test_values.begin(), test_values.end()); |
| if (test_values.size() > 10000) { |
| test_values.resize(10000); |
| } |
| for (auto j : test_values) { |
| Snapshot snapshot; |
| |
| int expected_bucket = FindExpectedBucket(i, j); |
| |
| grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
| grpc_stats_inc_histogram[i](&exec_ctx, j); |
| grpc_exec_ctx_finish(&exec_ctx); |
| |
| auto delta = snapshot.delta(); |
| |
| EXPECT_EQ(delta.histograms[grpc_stats_histo_start[i] + expected_bucket], |
| 1); |
| } |
| } |
| } |
| |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| grpc_init(); |
| int ret = RUN_ALL_TESTS(); |
| grpc_shutdown(); |
| return ret; |
| } |