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ConnectionEventsTest.cpp
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// Copyright (c) Facebook, Inc. and its affiliates.
//
// 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 <folly/io/async/ScopedEventBaseThread.h>
#include <gmock/gmock.h>
#include <thread>
#include "RSocketTests.h"
#include "rsocket/test/handlers/HelloServiceHandler.h"
#include "yarpl/flowable/TestSubscriber.h"
using namespace rsocket;
using namespace rsocket::tests;
using namespace testing;
using namespace rsocket::tests::client_server;
using namespace yarpl::flowable;
namespace {
class MockConnEvents : public RSocketConnectionEvents {
public:
MOCK_METHOD0(onConnected, void());
MOCK_METHOD1(onDisconnected, void(const folly::exception_wrapper&));
MOCK_METHOD0(onStreamsPaused, void());
MOCK_METHOD0(onStreamsResumed, void());
MOCK_METHOD1(onClosed, void(const folly::exception_wrapper&));
};
} // anonymous namespace
TEST(ConnectionEventsTest, SimpleStream) {
folly::ScopedEventBaseThread worker;
auto serverConnEvents = std::make_shared<StrictMock<MockConnEvents>>();
auto clientConnEvents = std::make_shared<StrictMock<MockConnEvents>>();
EXPECT_CALL(*clientConnEvents, onConnected());
EXPECT_CALL(*serverConnEvents, onConnected());
// create server supporting resumption
auto server = makeResumableServer(
std::make_shared<HelloServiceHandler>(serverConnEvents));
// create resumable client
auto client = makeWarmResumableClient(
worker.getEventBase(), *server->listeningPort(), clientConnEvents);
// request stream
auto requester = client->getRequester();
auto ts = TestSubscriber<std::string>::create(7 /* initialRequestN */);
requester->requestStream(Payload("Bob"))
->map([](auto p) { return p.moveDataToString(); })
->subscribe(ts);
// Wait for a few frames before disconnecting.
while (ts->getValueCount() < 3) {
std::this_thread::yield();
}
// disconnect
EXPECT_CALL(*clientConnEvents, onDisconnected(_));
EXPECT_CALL(*clientConnEvents, onStreamsPaused());
EXPECT_CALL(*serverConnEvents, onDisconnected(_));
EXPECT_CALL(*serverConnEvents, onStreamsPaused());
client->disconnect(std::runtime_error("Test triggered disconnect"));
// resume
EXPECT_CALL(*clientConnEvents, onConnected());
EXPECT_CALL(*clientConnEvents, onStreamsResumed());
EXPECT_CALL(*serverConnEvents, onConnected());
EXPECT_CALL(*serverConnEvents, onStreamsResumed());
EXPECT_NO_THROW(client->resume().get());
ts->request(3);
ts->awaitTerminalEvent();
ts->assertSuccess();
ts->assertValueCount(10);
// disconnect
EXPECT_CALL(*clientConnEvents, onDisconnected(_));
EXPECT_CALL(*clientConnEvents, onStreamsPaused());
EXPECT_CALL(*serverConnEvents, onDisconnected(_));
EXPECT_CALL(*serverConnEvents, onStreamsPaused());
client->disconnect(std::runtime_error("Test triggered disconnect"));
// relinquish resources
EXPECT_CALL(*clientConnEvents, onClosed(_));
EXPECT_CALL(*serverConnEvents, onClosed(_));
}
// Verify the ConnectionEvents are called back on the right EventBase.
TEST(ConnectionEventsTest, DifferentEvb) {
folly::ScopedEventBaseThread transportWorker{"TransportWkr"};
folly::ScopedEventBaseThread SMWorker{"SMWorker"};
auto clientConnEvents = std::make_shared<StrictMock<MockConnEvents>>();
EXPECT_CALL(*clientConnEvents, onConnected())
.WillOnce(Invoke([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
// create server supporting resumption
auto server = makeResumableServer(std::make_shared<HelloServiceHandler>());
// create resumable client
auto client = makeWarmResumableClient(
transportWorker.getEventBase(),
*server->listeningPort(),
clientConnEvents,
SMWorker.getEventBase());
// request stream
auto requester = client->getRequester();
auto ts = TestSubscriber<std::string>::create(7 /* initialRequestN */);
requester->requestStream(Payload("Bob"))
->map([](auto p) { return p.moveDataToString(); })
->subscribe(ts);
// Wait for a few frames before disconnecting.
while (ts->getValueCount() < 3) {
std::this_thread::yield();
}
// disconnect
EXPECT_CALL(*clientConnEvents, onDisconnected(_))
.WillOnce(InvokeWithoutArgs([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
EXPECT_CALL(*clientConnEvents, onStreamsPaused())
.WillOnce(Invoke([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
client->disconnect(std::runtime_error("Test triggered disconnect"));
// resume
EXPECT_CALL(*clientConnEvents, onConnected())
.WillOnce(Invoke([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
EXPECT_CALL(*clientConnEvents, onStreamsResumed())
.WillOnce(Invoke([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
EXPECT_NO_THROW(client->resume().get());
ts->request(3);
ts->awaitTerminalEvent();
ts->assertSuccess();
ts->assertValueCount(10);
// disconnect
EXPECT_CALL(*clientConnEvents, onDisconnected(_))
.WillOnce(InvokeWithoutArgs([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
EXPECT_CALL(*clientConnEvents, onStreamsPaused())
.WillOnce(Invoke([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
client->disconnect(std::runtime_error("Test triggered disconnect"));
// relinquish resources
EXPECT_CALL(*clientConnEvents, onClosed(_))
.WillOnce(InvokeWithoutArgs([evb = SMWorker.getEventBase()]() {
EXPECT_TRUE(evb->isInEventBaseThread());
}));
}