update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / jaegertracing / jaeger-client-cpp / src / jaegertracing / testutils / MockAgentTest.cpp

diff --git a/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/testutils/MockAgentTest.cpp b/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/testutils/MockAgentTest.cpp
new file mode 100644 (file)
index 0000000..a9b3d29
--- /dev/null
+++ b/ceph/src/jaegertracing/jaeger-client-cpp/src/jaegertracing/testutils/MockAgentTest.cpp
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2017 Uber Technologies, Inc.
+ *
+ * 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.
+ */
+
+#include <sstream>
+
+#include <gtest/gtest.h>
+#include <nlohmann/json.hpp>
+
+#include "jaegertracing/baggage/RemoteRestrictionJSON.h"
+#include "jaegertracing/net/http/Response.h"
+#include "jaegertracing/samplers/RemoteSamplingJSON.h"
+#include "jaegertracing/testutils/MockAgent.h"
+
+namespace jaegertracing {
+namespace testutils {
+
+TEST(MockAgent, testSpanServer)
+{
+    std::shared_ptr<MockAgent> mockAgent = MockAgent::make();
+    mockAgent->start();
+
+    auto client = mockAgent->spanServerClient();
+
+    constexpr auto kBiggestBatch = 5;
+    for (auto i = 1; i < kBiggestBatch; ++i) {
+        thrift::Batch batch;
+        batch.spans.resize(i);
+        for (auto j = 0; j < i; ++j) {
+            std::string operationName("span-");
+            operationName += std::to_string(j);
+            batch.spans[j].__set_operationName(operationName);
+        }
+
+        client->emitBatch(batch);
+
+        constexpr auto kNumTries = 100;
+        for (auto k = 0; k < kNumTries; ++k) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(1));
+            const auto batches = mockAgent->batches();
+            if (!batches.empty() &&
+                static_cast<int>(batches[0].spans.size()) == i) {
+                break;
+            }
+        }
+
+        const auto batches = mockAgent->batches();
+        ASSERT_FALSE(batches.empty());
+        ASSERT_EQ(i, static_cast<int>(batches[0].spans.size()));
+        for (auto j = 0; j < i; ++j) {
+            std::string operationName("span-");
+            operationName += std::to_string(j);
+            ASSERT_EQ(operationName, batches[0].spans[j].operationName);
+        }
+        mockAgent->resetBatches();
+    }
+}
+
+TEST(MockAgent, testSamplingManager)
+{
+    auto mockAgent = MockAgent::make();
+    mockAgent->start();
+
+    {
+        std::ostringstream oss;
+        oss << "http://" << mockAgent->samplingServerAddress().authority()
+            << '/';
+        const auto uriStr = oss.str();
+        const auto uri = net::URI::parse(uriStr);
+        const auto response = net::http::get(uri);
+        ASSERT_EQ("no 'service' parameter", response.body());
+    }
+    {
+        std::ostringstream oss;
+        oss << "http://" << mockAgent->samplingServerAddress().authority()
+            << "/?service=a&service=b";
+        const auto uriStr = oss.str();
+        const auto uri = net::URI::parse(uriStr);
+        const auto response = net::http::get(uri);
+        ASSERT_EQ("'service' parameter must occur only once", response.body());
+    }
+    {
+        std::ostringstream oss;
+        oss << "http://" << mockAgent->samplingServerAddress().authority()
+            << "/?service=something";
+        const auto uriStr = oss.str();
+        const auto uri = net::URI::parse(uriStr);
+        const auto responseHTTP = net::http::get(uri);
+        sampling_manager::thrift::SamplingStrategyResponse response;
+        response = nlohmann::json::parse(responseHTTP.body());
+        ASSERT_EQ(sampling_manager::thrift::SamplingStrategyType::PROBABILISTIC,
+                  response.strategyType);
+    }
+    {
+        sampling_manager::thrift::SamplingStrategyResponse config;
+        config.__set_strategyType(
+            sampling_manager::thrift::SamplingStrategyType::RATE_LIMITING);
+        sampling_manager::thrift::RateLimitingSamplingStrategy rateLimiting;
+        rateLimiting.__set_maxTracesPerSecond(123);
+        config.__set_rateLimitingSampling(rateLimiting);
+        mockAgent->addSamplingStrategy("service123", config);
+
+        std::ostringstream oss;
+        oss << "http://" << mockAgent->samplingServerAddress().authority()
+            << "/?service=service123";
+        const auto uriStr = oss.str();
+        const auto uri = net::URI::parse(uriStr);
+        const auto responseHTTP = net::http::get(uri);
+        sampling_manager::thrift::SamplingStrategyResponse response;
+        response = nlohmann::json::parse(responseHTTP.body());
+        ASSERT_EQ(config, response);
+    }
+}
+
+}  // namespace testutils
+}  // namespace jaegertracing