OutputBufferingHandlerTest.cpp File Reference

#include <wangle/channel/StaticPipeline.h>
#include <wangle/channel/OutputBufferingHandler.h>
#include <wangle/channel/test/MockHandler.h>
#include <folly/io/async/AsyncSocket.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>

Go to the source code of this file.

Typedefs
typedef StrictMock< MockHandlerAdapter< IOBufQueue &, std::unique_ptr< IOBuf > > >	MockBytesHandler

Functions
	MATCHER_P (IOBufContains, str,"")
	TEST (OutputBufferingHandlerTest, Basic)

Typedef Documentation

typedef StrictMock<MockHandlerAdapter< IOBufQueue&, std::unique_ptr<IOBuf> > > MockBytesHandler

Definition at line 31 of file OutputBufferingHandlerTest.cpp.

Function Documentation

MATCHER_P	(	IOBufContains	,
		str	,
		""
	)

Definition at line 33 of file OutputBufferingHandlerTest.cpp.

{ return arg->moveToFbString() == str; }

TEST	(	OutputBufferingHandlerTest	,
		Basic
	)

Definition at line 35 of file OutputBufferingHandlerTest.cpp.

References testing::_, folly::IOBuf::copyBuffer(), EXPECT_CALL, EXPECT_FALSE, EXPECT_TRUE, f, folly::EventBase::loopOnce(), folly::AsyncSocket::newSocket(), and folly::netops::socket().

                                        {
  MockBytesHandler mockHandler;
  EXPECT_CALL(mockHandler, attachPipeline(_));
  auto pipeline = StaticPipeline<IOBufQueue&, std::unique_ptr<IOBuf>,
    MockBytesHandler,
    OutputBufferingHandler>::create(
      &mockHandler,
      OutputBufferingHandler());

  EventBase eb;
  auto socket = AsyncSocket::newSocket(&eb);
  pipeline->setTransport(socket);

  // Buffering should prevent writes until the EB loops, and the writes should
  // be batched into one write call.
  auto f1 = pipeline->write(IOBuf::copyBuffer("hello"));
  auto f2 = pipeline->write(IOBuf::copyBuffer("world"));
  EXPECT_FALSE(f1.isReady());
  EXPECT_FALSE(f2.isReady());
  EXPECT_CALL(mockHandler, write_(_, IOBufContains("helloworld")));
  eb.loopOnce();
  EXPECT_TRUE(f1.isReady());
  EXPECT_TRUE(f2.isReady());
  EXPECT_CALL(mockHandler, detachPipeline(_));

 // Make sure the SharedPromise resets correctly
  auto f = pipeline->write(IOBuf::copyBuffer("foo"));
  EXPECT_FALSE(f.isReady());
  EXPECT_CALL(mockHandler, write_(_, IOBufContains("foo")));
  eb.loopOnce();
  EXPECT_TRUE(f.isReady());
  pipeline.reset();
}