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server_test.cc
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#include "common/common/version.h"
#include "common/network/address_impl.h"
#include "common/thread_local/thread_local_impl.h"
#include "server/server.h"
#include "test/integration/server.h"
#include "test/mocks/server/mocks.h"
#include "test/mocks/stats/mocks.h"
#include "test/test_common/environment.h"
#include "test/test_common/utility.h"
#include "gtest/gtest.h"
using testing::HasSubstr;
using testing::InSequence;
using testing::Property;
using testing::SaveArg;
using testing::StrictMock;
using testing::_;
namespace Envoy {
namespace Server {
TEST(ServerInstanceUtil, flushHelper) {
InSequence s;
Stats::IsolatedStoreImpl store;
store.counter("hello").inc();
store.gauge("world").set(5);
std::unique_ptr<Stats::MockSink> sink(new StrictMock<Stats::MockSink>());
EXPECT_CALL(*sink, beginFlush());
EXPECT_CALL(*sink, flushCounter(Property(&Stats::Metric::name, "hello"), 1));
EXPECT_CALL(*sink, flushGauge(Property(&Stats::Metric::name, "world"), 5));
EXPECT_CALL(*sink, endFlush());
std::list<Stats::SinkPtr> sinks;
sinks.emplace_back(std::move(sink));
InstanceUtil::flushCountersAndGaugesToSinks(sinks, store);
}
class RunHelperTest : public testing::Test {
public:
RunHelperTest() {
InSequence s;
sigterm_ = new Event::MockSignalEvent(&dispatcher_);
sigusr1_ = new Event::MockSignalEvent(&dispatcher_);
sighup_ = new Event::MockSignalEvent(&dispatcher_);
EXPECT_CALL(cm_, setInitializedCb(_)).WillOnce(SaveArg<0>(&cm_init_callback_));
helper_.reset(new RunHelper(dispatcher_, cm_, hot_restart_, access_log_manager_, init_manager_,
[this] { start_workers_.ready(); }));
}
NiceMock<Event::MockDispatcher> dispatcher_;
NiceMock<Upstream::MockClusterManager> cm_;
NiceMock<MockHotRestart> hot_restart_;
NiceMock<AccessLog::MockAccessLogManager> access_log_manager_;
InitManagerImpl init_manager_;
ReadyWatcher start_workers_;
std::unique_ptr<RunHelper> helper_;
std::function<void()> cm_init_callback_;
Event::MockSignalEvent* sigterm_;
Event::MockSignalEvent* sigusr1_;
Event::MockSignalEvent* sighup_;
};
TEST_F(RunHelperTest, Normal) {
EXPECT_CALL(start_workers_, ready());
cm_init_callback_();
}
TEST_F(RunHelperTest, ShutdownBeforeCmInitialize) {
EXPECT_CALL(start_workers_, ready()).Times(0);
sigterm_->callback_();
cm_init_callback_();
}
TEST_F(RunHelperTest, ShutdownBeforeInitManagerInit) {
EXPECT_CALL(start_workers_, ready()).Times(0);
Init::MockTarget target;
init_manager_.registerTarget(target);
EXPECT_CALL(target, initialize(_));
cm_init_callback_();
sigterm_->callback_();
target.callback_();
}
// Class creates minimally viable server instance for testing.
class ServerInstanceImplTest : public testing::TestWithParam<Network::Address::IpVersion> {
protected:
ServerInstanceImplTest() : version_(GetParam()) {}
void initialize(const std::string& bootstrap_path) {
if (bootstrap_path.empty()) {
options_.config_path_ = TestEnvironment::temporaryFileSubstitute(
"test/config/integration/server.json", {{"upstream_0", 0}, {"upstream_1", 0}}, version_);
} else {
options_.config_path_ = TestEnvironment::temporaryFileSubstitute(
bootstrap_path, {{"upstream_0", 0}, {"upstream_1", 0}}, version_);
}
server_.reset(new InstanceImpl(
options_,
Network::Address::InstanceConstSharedPtr(new Network::Address::Ipv4Instance("127.0.0.1")),
hooks_, restart_, stats_store_, fakelock_, component_factory_, thread_local_));
EXPECT_TRUE(server_->api().fileExists("/dev/null"));
}
Network::Address::IpVersion version_;
testing::NiceMock<MockOptions> options_;
DefaultTestHooks hooks_;
testing::NiceMock<MockHotRestart> restart_;
ThreadLocal::InstanceImpl thread_local_;
Stats::TestIsolatedStoreImpl stats_store_;
Thread::MutexBasicLockable fakelock_;
TestComponentFactory component_factory_;
std::unique_ptr<InstanceImpl> server_;
};
INSTANTIATE_TEST_CASE_P(IpVersions, ServerInstanceImplTest,
testing::ValuesIn(TestEnvironment::getIpVersionsForTest()),
TestUtility::ipTestParamsToString);
TEST_P(ServerInstanceImplTest, V2ConfigOnly) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.v2_config_only_ = true;
try {
initialize(std::string());
FAIL();
} catch (const EnvoyException& e) {
EXPECT_THAT(e.what(), HasSubstr("Unable to parse JSON as proto"));
}
}
TEST_P(ServerInstanceImplTest, V1ConfigFallback) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.v2_config_only_ = false;
initialize(std::string());
}
TEST_P(ServerInstanceImplTest, Stats) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
initialize(std::string());
EXPECT_NE(nullptr, TestUtility::findCounter(stats_store_, "server.watchdog_miss"));
}
// Validate server localInfo() from bootstrap Node.
TEST_P(ServerInstanceImplTest, BootstrapNode) {
initialize("test/server/node_bootstrap.yaml");
EXPECT_EQ("bootstrap_zone", server_->localInfo().zoneName());
EXPECT_EQ("bootstrap_cluster", server_->localInfo().clusterName());
EXPECT_EQ("bootstrap_id", server_->localInfo().nodeName());
EXPECT_EQ("bootstrap_sub_zone", server_->localInfo().node().locality().sub_zone());
EXPECT_EQ(VersionInfo::version(), server_->localInfo().node().build_version());
}
// Validate server localInfo() from bootstrap Node with CLI overrides.
TEST_P(ServerInstanceImplTest, BootstrapNodeWithOptionsOverride) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.service_zone_name_ = "some_zone_name";
initialize("test/server/node_bootstrap.yaml");
EXPECT_EQ("some_zone_name", server_->localInfo().zoneName());
EXPECT_EQ("some_cluster_name", server_->localInfo().clusterName());
EXPECT_EQ("some_node_name", server_->localInfo().nodeName());
EXPECT_EQ("bootstrap_sub_zone", server_->localInfo().node().locality().sub_zone());
EXPECT_EQ(VersionInfo::version(), server_->localInfo().node().build_version());
}
// Negative test for protoc-gen-validate constraints.
TEST_P(ServerInstanceImplTest, ValidateFail) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.v2_config_only_ = true;
try {
initialize("test/server/empty_bootstrap.yaml");
FAIL();
} catch (const EnvoyException& e) {
EXPECT_THAT(e.what(), HasSubstr("Proto constraint validation failed"));
}
}
TEST_P(ServerInstanceImplTest, LogToFile) {
const std::string path =
TestEnvironment::temporaryPath("ServerInstanceImplTest_LogToFile_Test.log");
options_.log_path_ = path;
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
initialize(std::string());
EXPECT_TRUE(server_->api().fileExists(path));
GET_MISC_LOGGER().set_level(spdlog::level::info);
ENVOY_LOG_MISC(warn, "LogToFile test string");
Logger::Registry::getSink()->flush();
std::string log = server_->api().fileReadToEnd(path);
EXPECT_GT(log.size(), 0);
EXPECT_TRUE(log.find("LogToFile test string") != std::string::npos);
// Test that critical messages get immediately flushed
ENVOY_LOG_MISC(critical, "LogToFile second test string");
log = server_->api().fileReadToEnd(path);
EXPECT_TRUE(log.find("LogToFile second test string") != std::string::npos);
}
TEST_P(ServerInstanceImplTest, LogToFileError) {
options_.log_path_ = "/this/path/does/not/exist";
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
try {
initialize(std::string());
FAIL();
} catch (const EnvoyException& e) {
EXPECT_THAT(e.what(), HasSubstr("Failed to open log-file"));
}
}
TEST_P(ServerInstanceImplTest, NoOptionsPassed) {
EXPECT_THROW_WITH_MESSAGE(
server_.reset(new InstanceImpl(
options_,
Network::Address::InstanceConstSharedPtr(new Network::Address::Ipv4Instance("127.0.0.1")),
hooks_, restart_, stats_store_, fakelock_, component_factory_, thread_local_)),
EnvoyException, "unable to read file: ")
}
} // namespace Server
} // namespace Envoy