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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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144 lines
3.9 KiB
144 lines
3.9 KiB
/* |
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* |
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* Copyright 2017 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include "src/core/lib/debug/stats.h" |
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#include <mutex> |
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#include <thread> |
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#include <grpc/grpc.h> |
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#include <grpc/support/cpu.h> |
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#include <grpc/support/log.h> |
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#include <gtest/gtest.h> |
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namespace grpc { |
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namespace testing { |
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class Snapshot { |
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public: |
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Snapshot() { grpc_stats_collect(&begin_); } |
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grpc_stats_data delta() { |
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grpc_stats_data now; |
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grpc_stats_collect(&now); |
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grpc_stats_data delta; |
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grpc_stats_diff(&now, &begin_, &delta); |
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return delta; |
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} |
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private: |
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grpc_stats_data begin_; |
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}; |
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TEST(StatsTest, IncCounters) { |
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for (int i = 0; i < GRPC_STATS_COUNTER_COUNT; i++) { |
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Snapshot snapshot; |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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GRPC_STATS_INC_COUNTER(&exec_ctx, (grpc_stats_counters)i); |
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grpc_exec_ctx_finish(&exec_ctx); |
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EXPECT_EQ(snapshot.delta().counters[i], 1); |
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} |
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} |
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TEST(StatsTest, IncSpecificCounter) { |
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Snapshot snapshot; |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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GRPC_STATS_INC_SYSCALL_POLL(&exec_ctx); |
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grpc_exec_ctx_finish(&exec_ctx); |
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EXPECT_EQ(snapshot.delta().counters[GRPC_STATS_COUNTER_SYSCALL_POLL], 1); |
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} |
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static int FindExpectedBucket(int i, int j) { |
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if (j < 0) { |
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return 0; |
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} |
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if (j >= grpc_stats_histo_bucket_boundaries[i][grpc_stats_histo_buckets[i]]) { |
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return grpc_stats_histo_buckets[i] - 1; |
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} |
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return std::upper_bound(grpc_stats_histo_bucket_boundaries[i], |
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grpc_stats_histo_bucket_boundaries[i] + |
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grpc_stats_histo_buckets[i], |
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j) - |
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grpc_stats_histo_bucket_boundaries[i] - 1; |
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} |
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class HistogramTest : public ::testing::TestWithParam<int> {}; |
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TEST_P(HistogramTest, IncHistogram) { |
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const int kHistogram = GetParam(); |
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std::vector<std::thread> threads; |
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int cur_bucket = 0; |
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auto run = [kHistogram](const std::vector<int>& test_values, |
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int expected_bucket) { |
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gpr_log(GPR_DEBUG, "expected_bucket:%d nvalues=%" PRIdPTR, expected_bucket, |
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test_values.size()); |
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for (auto j : test_values) { |
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Snapshot snapshot; |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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grpc_stats_inc_histogram[kHistogram](&exec_ctx, j); |
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grpc_exec_ctx_finish(&exec_ctx); |
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auto delta = snapshot.delta(); |
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EXPECT_EQ( |
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delta |
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.histograms[grpc_stats_histo_start[kHistogram] + expected_bucket], |
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1) |
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<< "\nhistogram:" << kHistogram |
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<< "\nexpected_bucket:" << expected_bucket << "\nj:" << j; |
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} |
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}; |
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std::vector<int> test_values; |
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for (int j = -1000; |
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j < grpc_stats_histo_bucket_boundaries |
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[kHistogram][grpc_stats_histo_buckets[kHistogram] - 1] + |
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1000; |
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j++) { |
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int expected_bucket = FindExpectedBucket(kHistogram, j); |
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if (cur_bucket != expected_bucket) { |
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threads.emplace_back( |
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[test_values, run, cur_bucket]() { run(test_values, cur_bucket); }); |
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cur_bucket = expected_bucket; |
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test_values.clear(); |
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} |
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test_values.push_back(j); |
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} |
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run(test_values, cur_bucket); |
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for (auto& t : threads) { |
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t.join(); |
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} |
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} |
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INSTANTIATE_TEST_CASE_P(HistogramTestCases, HistogramTest, |
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::testing::Range<int>(0, GRPC_STATS_HISTOGRAM_COUNT)); |
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} // namespace testing |
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} // namespace grpc |
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int main(int argc, char** argv) { |
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::testing::InitGoogleTest(&argc, argv); |
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grpc_init(); |
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int ret = RUN_ALL_TESTS(); |
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grpc_shutdown(); |
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return ret; |
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}
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