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async_client_impl_test.cc
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#include <chrono>
#include <cstdint>
#include <memory>
#include <string>
#include "envoy/config/core/v3/base.pb.h"
#include "envoy/config/route/v3/route_components.pb.h"
#include "common/buffer/buffer_impl.h"
#include "common/http/async_client_impl.h"
#include "common/http/context_impl.h"
#include "common/http/headers.h"
#include "common/http/utility.h"
#include "common/router/context_impl.h"
#include "test/common/http/common.h"
#include "test/mocks/buffer/mocks.h"
#include "test/mocks/common.h"
#include "test/mocks/http/mocks.h"
#include "test/mocks/local_info/mocks.h"
#include "test/mocks/router/mocks.h"
#include "test/mocks/runtime/mocks.h"
#include "test/mocks/stats/mocks.h"
#include "test/mocks/upstream/cluster_manager.h"
#include "test/test_common/printers.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using testing::_;
using testing::AnyNumber;
using testing::Eq;
using testing::Invoke;
using testing::NiceMock;
using testing::Return;
using testing::ReturnRef;
namespace Envoy {
namespace Http {
namespace {
class AsyncClientImplTest : public testing::Test {
public:
AsyncClientImplTest()
: http_context_(stats_store_.symbolTable()), router_context_(stats_store_.symbolTable()),
client_(cm_.thread_local_cluster_.cluster_.info_, stats_store_, dispatcher_, local_info_,
cm_, runtime_, random_,
Router::ShadowWriterPtr{new NiceMock<Router::MockShadowWriter>()}, http_context_,
router_context_) {
message_->headers().setMethod("GET");
message_->headers().setHost("host");
message_->headers().setPath("/");
ON_CALL(*cm_.thread_local_cluster_.conn_pool_.host_, locality())
.WillByDefault(ReturnRef(envoy::config::core::v3::Locality().default_instance()));
cm_.initializeThreadLocalClusters({"fake_cluster"});
}
virtual void expectSuccess(AsyncClient::Request* sent_request, uint64_t code) {
EXPECT_CALL(callbacks_, onBeforeFinalizeUpstreamSpan(_, _));
EXPECT_CALL(callbacks_, onSuccess_(_, _))
.WillOnce(Invoke([sent_request, code](const AsyncClient::Request& request,
ResponseMessage* response) -> void {
// Verify that callback is called with the same request handle as returned by
// AsyncClient::send().
EXPECT_EQ(sent_request, &request);
EXPECT_EQ(code, Utility::getResponseStatus(response->headers()));
}));
}
void expectResponseHeaders(MockAsyncClientStreamCallbacks& callbacks, uint64_t code,
bool end_stream) {
EXPECT_CALL(callbacks, onHeaders_(_, end_stream))
.WillOnce(Invoke([code](ResponseHeaderMap& headers, bool) -> void {
EXPECT_EQ(std::to_string(code), headers.getStatusValue());
}));
}
RequestMessagePtr message_{new RequestMessageImpl()};
Stats::MockIsolatedStatsStore stats_store_;
MockAsyncClientCallbacks callbacks_;
MockAsyncClientStreamCallbacks stream_callbacks_;
NiceMock<Upstream::MockClusterManager> cm_;
NiceMock<MockRequestEncoder> stream_encoder_;
ResponseDecoder* response_decoder_{};
NiceMock<Event::MockTimer>* timer_;
NiceMock<Event::MockDispatcher> dispatcher_;
NiceMock<Runtime::MockLoader> runtime_;
NiceMock<Random::MockRandomGenerator> random_;
NiceMock<LocalInfo::MockLocalInfo> local_info_;
Http::ContextImpl http_context_;
Router::ContextImpl router_context_;
AsyncClientImpl client_;
NiceMock<StreamInfo::MockStreamInfo> stream_info_;
};
class AsyncClientImplTracingTest : public AsyncClientImplTest {
public:
Tracing::MockSpan parent_span_;
const std::string child_span_name_{"Test Child Span Name"};
void expectSuccess(AsyncClient::Request* sent_request, uint64_t code) override {
EXPECT_CALL(callbacks_, onBeforeFinalizeUpstreamSpan(_, _))
.WillOnce(Invoke([](Tracing::Span& span, const Http::ResponseHeaderMap* response_headers) {
span.setTag("onBeforeFinalizeUpstreamSpan", "called");
ASSERT_NE(nullptr, response_headers);
}));
EXPECT_CALL(callbacks_, onSuccess_(_, _))
.WillOnce(Invoke([sent_request, code](const AsyncClient::Request& request,
ResponseMessage* response) -> void {
// Verify that callback is called with the same request handle as returned by
// AsyncClient::send().
EXPECT_EQ(sent_request, &request);
EXPECT_EQ(code, Utility::getResponseStatus(response->headers()));
}));
}
};
TEST_F(AsyncClientImplTest, BasicStream) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), true));
expectResponseHeaders(stream_callbacks_, 200, false);
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), true));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, true);
response_decoder_->decode100ContinueHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "100"}}));
response_decoder_->decodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false);
response_decoder_->decodeData(*body, true);
EXPECT_EQ(
1UL,
cm_.thread_local_cluster_.cluster_.info_->stats_store_.counter("upstream_rq_200").value());
EXPECT_EQ(1UL, cm_.thread_local_cluster_.cluster_.info_->stats_store_
.counter("internal.upstream_rq_200")
.value());
}
TEST_F(AsyncClientImplTest, Basic) {
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl copy(message_->headers());
copy.addCopy("x-envoy-internal", "true");
copy.addCopy("x-forwarded-for", "127.0.0.1");
copy.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(©), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
expectSuccess(request, 200);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(data, true);
EXPECT_EQ(
1UL,
cm_.thread_local_cluster_.cluster_.info_->stats_store_.counter("upstream_rq_200").value());
EXPECT_EQ(1UL, cm_.thread_local_cluster_.cluster_.info_->stats_store_
.counter("internal.upstream_rq_200")
.value());
}
TEST_F(AsyncClientImplTracingTest, Basic) {
Tracing::MockSpan* child_span{new Tracing::MockSpan()};
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl copy(message_->headers());
copy.addCopy("x-envoy-internal", "true");
copy.addCopy("x-forwarded-for", "127.0.0.1");
copy.addCopy(":scheme", "http");
EXPECT_CALL(parent_span_, spawnChild_(_, "async fake_cluster egress", _))
.WillOnce(Return(child_span));
AsyncClient::RequestOptions options = AsyncClient::RequestOptions().setParentSpan(parent_span_);
EXPECT_CALL(*child_span, setSampled(true));
EXPECT_CALL(*child_span, injectContext(_));
auto* request = client_.send(std::move(message_), callbacks_, options);
EXPECT_NE(request, nullptr);
expectSuccess(request, 200);
EXPECT_CALL(*child_span, setTag(Eq("onBeforeFinalizeUpstreamSpan"), Eq("called")));
EXPECT_CALL(*child_span,
setTag(Eq(Tracing::Tags::get().Component), Eq(Tracing::Tags::get().Proxy)));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().HttpProtocol), Eq("HTTP/1.1")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().UpstreamAddress), Eq("10.0.0.1:443")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().UpstreamCluster), Eq("fake_cluster")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().HttpStatusCode), Eq("200")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().ResponseFlags), Eq("-")));
EXPECT_CALL(*child_span, finishSpan());
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(data, true);
EXPECT_TRUE(stats_store_.findCounterByString("http.async-client.rq_total").has_value());
}
TEST_F(AsyncClientImplTracingTest, BasicNamedChildSpan) {
Tracing::MockSpan* child_span{new Tracing::MockSpan()};
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl copy(message_->headers());
copy.addCopy("x-envoy-internal", "true");
copy.addCopy("x-forwarded-for", "127.0.0.1");
copy.addCopy(":scheme", "http");
EXPECT_CALL(parent_span_, spawnChild_(_, child_span_name_, _)).WillOnce(Return(child_span));
AsyncClient::RequestOptions options = AsyncClient::RequestOptions()
.setParentSpan(parent_span_)
.setChildSpanName(child_span_name_)
.setSampled(false);
EXPECT_CALL(*child_span, setSampled(false));
EXPECT_CALL(*child_span, injectContext(_));
auto* request = client_.send(std::move(message_), callbacks_, options);
EXPECT_NE(request, nullptr);
expectSuccess(request, 200);
EXPECT_CALL(*child_span, setTag(Eq("onBeforeFinalizeUpstreamSpan"), Eq("called")));
EXPECT_CALL(*child_span,
setTag(Eq(Tracing::Tags::get().Component), Eq(Tracing::Tags::get().Proxy)));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().HttpProtocol), Eq("HTTP/1.1")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().UpstreamAddress), Eq("10.0.0.1:443")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().UpstreamCluster), Eq("fake_cluster")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().HttpStatusCode), Eq("200")));
EXPECT_CALL(*child_span, setTag(Eq(Tracing::Tags::get().ResponseFlags), Eq("-")));
EXPECT_CALL(*child_span, finishSpan());
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(data, true);
}
TEST_F(AsyncClientImplTest, BasicHashPolicy) {
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(cm_.thread_local_cluster_, httpConnPool(_, _, _))
.WillOnce(
Invoke([&](Upstream::ResourcePriority, auto,
Upstream::LoadBalancerContext* context) -> Http::ConnectionPool::Instance* {
// this is the hash of :path header value "/"
EXPECT_EQ(16761507700594825962UL, context->computeHashKey().value());
return &cm_.thread_local_cluster_.conn_pool_;
}));
TestRequestHeaderMapImpl copy(message_->headers());
copy.addCopy("x-envoy-internal", "true");
copy.addCopy("x-forwarded-for", "127.0.0.1");
copy.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(©), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
AsyncClient::RequestOptions options;
Protobuf::RepeatedPtrField<envoy::config::route::v3::RouteAction::HashPolicy> hash_policy;
hash_policy.Add()->mutable_header()->set_header_name(":path");
options.setHashPolicy(hash_policy);
auto* request = client_.send(std::move(message_), callbacks_, options);
EXPECT_NE(request, nullptr);
expectSuccess(request, 200);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(data, true);
}
TEST_F(AsyncClientImplTest, Retry) {
ON_CALL(runtime_.snapshot_, featureEnabled("upstream.use_retry", 100))
.WillByDefault(Return(true));
RequestMessage* message_copy = message_.get();
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
message_->headers().setReferenceEnvoyRetryOn(Headers::get().EnvoyRetryOnValues._5xx);
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
// Expect retry and retry timer create.
timer_ = new NiceMock<Event::MockTimer>(&dispatcher_);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "503"}});
response_decoder_->decodeHeaders(std::move(response_headers), true);
// Retry request.
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_copy->headers()), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
timer_->invokeCallback();
// Normal response.
expectSuccess(request, 200);
ResponseHeaderMapPtr response_headers2(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers2), true);
}
TEST_F(AsyncClientImplTest, RetryWithStream) {
ON_CALL(runtime_.snapshot_, featureEnabled("upstream.use_retry", 100))
.WillByDefault(Return(true));
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), true));
headers.setReferenceEnvoyRetryOn(Headers::get().EnvoyRetryOnValues._5xx);
AsyncClient::Stream* stream =
client_.start(stream_callbacks_, AsyncClient::StreamOptions().setBufferBodyForRetry(true));
stream->sendHeaders(headers, false);
stream->sendData(*body, true);
// Expect retry and retry timer create.
timer_ = new NiceMock<Event::MockTimer>(&dispatcher_);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "503"}});
response_decoder_->decodeHeaders(std::move(response_headers), true);
// Retry request.
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), true));
timer_->invokeCallback();
// Normal response.
expectResponseHeaders(stream_callbacks_, 200, true);
EXPECT_CALL(stream_callbacks_, onComplete());
ResponseHeaderMapPtr response_headers2(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers2), true);
}
TEST_F(AsyncClientImplTest, MultipleStreams) {
// Start stream 1
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers(message_->headers());
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), true));
expectResponseHeaders(stream_callbacks_, 200, false);
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), true));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, true);
// Start stream 2
Buffer::InstancePtr body2{new Buffer::OwnedImpl("test body")};
NiceMock<MockRequestEncoder> stream_encoder2;
ResponseDecoder* response_decoder2{};
MockAsyncClientStreamCallbacks stream_callbacks2;
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder2, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder2 = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers2(message_->headers());
EXPECT_CALL(stream_encoder2, encodeHeaders(HeaderMapEqualRef(&headers2), false));
EXPECT_CALL(stream_encoder2, encodeData(BufferEqual(body2.get()), true));
expectResponseHeaders(stream_callbacks2, 503, true);
EXPECT_CALL(stream_callbacks2, onComplete());
AsyncClient::Stream* stream2 = client_.start(stream_callbacks2, AsyncClient::StreamOptions());
stream2->sendHeaders(headers2, false);
stream2->sendData(*body2, true);
// Finish stream 2.
ResponseHeaderMapPtr response_headers2(new TestResponseHeaderMapImpl{{":status", "503"}});
response_decoder2->decodeHeaders(std::move(response_headers2), true);
// Finish stream 1.
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(*body, true);
}
TEST_F(AsyncClientImplTest, MultipleRequests) {
// Send request 1
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
auto* request1 = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request1, nullptr);
// Send request 2.
RequestMessagePtr message2{new RequestMessageImpl()};
HttpTestUtility::addDefaultHeaders(message2->headers());
NiceMock<MockRequestEncoder> stream_encoder2;
ResponseDecoder* response_decoder2{};
MockAsyncClientCallbacks callbacks2;
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder2, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder2 = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder2, encodeHeaders(HeaderMapEqualRef(&message2->headers()), true));
auto* request2 = client_.send(std::move(message2), callbacks2, AsyncClient::RequestOptions());
EXPECT_NE(request2, nullptr);
// Send request 3.
RequestMessagePtr message3{new RequestMessageImpl()};
HttpTestUtility::addDefaultHeaders(message3->headers());
NiceMock<MockRequestEncoder> stream_encoder3;
ResponseDecoder* response_decoder3{};
MockAsyncClientCallbacks callbacks3;
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder3, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder3 = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder3, encodeHeaders(HeaderMapEqualRef(&message3->headers()), true));
auto* request3 = client_.send(std::move(message3), callbacks3, AsyncClient::RequestOptions());
EXPECT_NE(request3, nullptr);
// Finish request 2.
ResponseHeaderMapPtr response_headers2(new TestResponseHeaderMapImpl{{":status", "503"}});
EXPECT_CALL(callbacks2, onBeforeFinalizeUpstreamSpan(_, _));
EXPECT_CALL(callbacks2, onSuccess_(_, _))
.WillOnce(Invoke(
[request2](const AsyncClient::Request& request, ResponseMessage* response) -> void {
// Verify that callback is called with the same request handle as returned by
// AsyncClient::send().
EXPECT_EQ(request2, &request);
EXPECT_EQ(503, Utility::getResponseStatus(response->headers()));
}));
response_decoder2->decodeHeaders(std::move(response_headers2), true);
// Finish request 1.
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
expectSuccess(request1, 200);
response_decoder_->decodeData(data, true);
// Finish request 3.
ResponseHeaderMapPtr response_headers3(new TestResponseHeaderMapImpl{{":status", "500"}});
EXPECT_CALL(callbacks3, onBeforeFinalizeUpstreamSpan(_, _));
EXPECT_CALL(callbacks3, onSuccess_(_, _))
.WillOnce(Invoke(
[request3](const AsyncClient::Request& request, ResponseMessage* response) -> void {
// Verify that callback is called with the same request handle as returned by
// AsyncClient::send().
EXPECT_EQ(request3, &request);
EXPECT_EQ(500, Utility::getResponseStatus(response->headers()));
}));
response_decoder3->decodeHeaders(std::move(response_headers3), true);
}
TEST_F(AsyncClientImplTest, StreamAndRequest) {
// Send request
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
// Start stream
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
NiceMock<MockRequestEncoder> stream_encoder2;
ResponseDecoder* response_decoder2{};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder2, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder2 = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
EXPECT_CALL(stream_encoder2, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder2, encodeData(BufferEqual(body.get()), true));
expectResponseHeaders(stream_callbacks_, 200, false);
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), true));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, true);
// Finish stream.
ResponseHeaderMapPtr response_headers2(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder2->decodeHeaders(std::move(response_headers2), false);
response_decoder2->decodeData(*body, true);
// Finish request.
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
expectSuccess(request, 200);
response_decoder_->decodeData(data, true);
}
TEST_F(AsyncClientImplTest, StreamWithTrailers) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
TestRequestTrailerMapImpl trailers{{"some", "request_trailer"}};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), false));
EXPECT_CALL(stream_encoder_, encodeTrailers(HeaderMapEqualRef(&trailers)));
expectResponseHeaders(stream_callbacks_, 200, false);
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), false));
TestResponseTrailerMapImpl expected_trailers{{"some", "trailer"}};
EXPECT_CALL(stream_callbacks_, onTrailers_(HeaderMapEqualRef(&expected_trailers)));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, false);
stream->sendTrailers(trailers);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(*body, false);
response_decoder_->decodeTrailers(
ResponseTrailerMapPtr{new TestResponseTrailerMapImpl{{"some", "trailer"}}});
}
TEST_F(AsyncClientImplTest, Trailers) {
message_->body().add("test body");
Buffer::Instance& data = message_->body();
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(&data), true));
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
expectSuccess(request, 200);
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
response_decoder_->decodeData(data, false);
response_decoder_->decodeTrailers(
ResponseTrailerMapPtr{new TestResponseTrailerMapImpl{{"some", "trailer"}}});
}
TEST_F(AsyncClientImplTest, ImmediateReset) {
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](StreamDecoder&,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), true));
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
expectSuccess(request, 503);
stream_encoder_.getStream().resetStream(StreamResetReason::RemoteReset);
EXPECT_EQ(
1UL,
cm_.thread_local_cluster_.cluster_.info_->stats_store_.counter("upstream_rq_503").value());
}
TEST_F(AsyncClientImplTest, LocalResetAfterStreamStart) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), false));
TestResponseHeaderMapImpl expected_headers{{":status", "200"}};
EXPECT_CALL(stream_callbacks_, onHeaders_(HeaderMapEqualRef(&expected_headers), false));
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), false));
EXPECT_CALL(stream_callbacks_, onReset());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, false);
response_decoder_->decodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false);
response_decoder_->decodeData(*body, false);
stream->reset();
}
TEST_F(AsyncClientImplTest, SendDataAfterRemoteClosure) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
TestResponseHeaderMapImpl expected_headers{{":status", "200"}};
EXPECT_CALL(stream_callbacks_, onHeaders_(HeaderMapEqualRef(&expected_headers), false));
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), true));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
response_decoder_->decodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false);
response_decoder_->decodeData(*body, true);
EXPECT_CALL(stream_encoder_, encodeData(_, _)).Times(0);
stream->sendData(*body, true);
}
TEST_F(AsyncClientImplTest, SendTrailersRemoteClosure) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
TestRequestTrailerMapImpl trailers;
trailers.addCopy("x-test-trailer", "1");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
TestResponseHeaderMapImpl expected_headers{{":status", "200"}};
EXPECT_CALL(stream_callbacks_, onHeaders_(HeaderMapEqualRef(&expected_headers), false));
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), true));
EXPECT_CALL(stream_callbacks_, onComplete());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
response_decoder_->decodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false);
response_decoder_->decodeData(*body, true);
EXPECT_CALL(stream_encoder_, encodeTrailers(_)).Times(0);
stream->sendTrailers(trailers);
}
// Validate behavior when the stream's onHeaders() callback performs a stream
// reset.
TEST_F(AsyncClientImplTest, ResetInOnHeaders) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](StreamDecoder&,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), false));
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
TestResponseHeaderMapImpl expected_headers{{":status", "200"}};
EXPECT_CALL(stream_callbacks_, onHeaders_(HeaderMapEqualRef(&expected_headers), false))
.WillOnce(Invoke([&stream](HeaderMap&, bool) { stream->reset(); }));
EXPECT_CALL(stream_callbacks_, onData(_, _)).Times(0);
EXPECT_CALL(stream_callbacks_, onReset());
stream->sendHeaders(headers, false);
stream->sendData(*body, false);
Http::StreamDecoderFilterCallbacks* filter_callbacks =
static_cast<Http::AsyncStreamImpl*>(stream);
filter_callbacks->encodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false, "details");
}
TEST_F(AsyncClientImplTest, RemoteResetAfterStreamStart) {
Buffer::InstancePtr body{new Buffer::OwnedImpl("test body")};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
TestRequestHeaderMapImpl headers;
HttpTestUtility::addDefaultHeaders(headers);
headers.addCopy("x-envoy-internal", "true");
headers.addCopy("x-forwarded-for", "127.0.0.1");
headers.addCopy(":scheme", "http");
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&headers), false));
EXPECT_CALL(stream_encoder_, encodeData(BufferEqual(body.get()), false));
TestResponseHeaderMapImpl expected_headers{{":status", "200"}};
EXPECT_CALL(stream_callbacks_, onHeaders_(HeaderMapEqualRef(&expected_headers), false));
EXPECT_CALL(stream_callbacks_, onData(BufferEqual(body.get()), false));
EXPECT_CALL(stream_callbacks_, onReset());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(headers, false);
stream->sendData(*body, false);
response_decoder_->decodeHeaders(
ResponseHeaderMapPtr(new TestResponseHeaderMapImpl{{":status", "200"}}), false);
response_decoder_->decodeData(*body, false);
stream_encoder_.getStream().resetStream(StreamResetReason::RemoteReset);
}
TEST_F(AsyncClientImplTest, ResetAfterResponseStart) {
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](ResponseDecoder& decoder,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
response_decoder_ = &decoder;
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), true));
auto* request = client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
EXPECT_NE(request, nullptr);
EXPECT_CALL(callbacks_, onBeforeFinalizeUpstreamSpan(_, _));
EXPECT_CALL(callbacks_, onFailure(_, _))
.WillOnce(Invoke([sent_request = request](const AsyncClient::Request& request,
AsyncClient::FailureReason reason) {
// Verify that callback is called with the same request handle as returned by
// AsyncClient::send().
EXPECT_EQ(&request, sent_request);
EXPECT_EQ(reason, AsyncClient::FailureReason::Reset);
}));
ResponseHeaderMapPtr response_headers(new TestResponseHeaderMapImpl{{":status", "200"}});
response_decoder_->decodeHeaders(std::move(response_headers), false);
stream_encoder_.getStream().resetStream(StreamResetReason::RemoteReset);
}
TEST_F(AsyncClientImplTest, ResetStream) {
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](StreamDecoder&,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), true));
EXPECT_CALL(stream_encoder_.stream_, resetStream(_));
EXPECT_CALL(stream_callbacks_, onReset());
AsyncClient::Stream* stream = client_.start(stream_callbacks_, AsyncClient::StreamOptions());
stream->sendHeaders(message_->headers(), true);
stream->reset();
}
TEST_F(AsyncClientImplTest, CancelRequest) {
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](StreamDecoder&,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
return nullptr;
}));
EXPECT_CALL(stream_encoder_, encodeHeaders(HeaderMapEqualRef(&message_->headers()), true));
EXPECT_CALL(stream_encoder_.stream_, resetStream(_));
EXPECT_CALL(callbacks_, onBeforeFinalizeUpstreamSpan(_, _));
AsyncClient::Request* request =
client_.send(std::move(message_), callbacks_, AsyncClient::RequestOptions());
request->cancel();
}
TEST_F(AsyncClientImplTracingTest, CancelRequest) {
Tracing::MockSpan* child_span{new Tracing::MockSpan()};
EXPECT_CALL(cm_.thread_local_cluster_.conn_pool_, newStream(_, _))
.WillOnce(Invoke([&](StreamDecoder&,
ConnectionPool::Callbacks& callbacks) -> ConnectionPool::Cancellable* {
callbacks.onPoolReady(stream_encoder_, cm_.thread_local_cluster_.conn_pool_.host_,
stream_info_, {});
return nullptr;
}));