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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/server/web_socket_encoder.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
TEST(WebSocketEncoderHandshakeTest,
CreateServerWithoutClientMaxWindowBitsParameter) {
std::string response_extensions;
scoped_ptr<WebSocketEncoder> server(WebSocketEncoder::CreateServer(
"permessage-deflate", &response_extensions));
// The response must not include client_max_window_bits if the client didn't
// declare that it accepts the parameter.
EXPECT_EQ("permessage-deflate; server_max_window_bits=15",
response_extensions);
}
TEST(WebSocketEncoderHandshakeTest,
CreateServerWithServerNoContextTakeoverParameter) {
std::string response_extensions;
scoped_ptr<WebSocketEncoder> server(WebSocketEncoder::CreateServer(
"permessage-deflate; server_no_context_takeover", &response_extensions));
EXPECT_EQ(
"permessage-deflate; server_max_window_bits=15"
"; server_no_context_takeover",
response_extensions);
}
class WebSocketEncoderTest : public testing::Test {
public:
WebSocketEncoderTest() {}
void SetUp() override {
std::string response_extensions;
server_.reset(WebSocketEncoder::CreateServer("", &response_extensions));
EXPECT_EQ(std::string(), response_extensions);
client_.reset(WebSocketEncoder::CreateClient(""));
}
protected:
scoped_ptr<WebSocketEncoder> server_;
scoped_ptr<WebSocketEncoder> client_;
};
class WebSocketEncoderCompressionTest : public WebSocketEncoderTest {
public:
WebSocketEncoderCompressionTest() : WebSocketEncoderTest() {}
void SetUp() override {
std::string response_extensions;
server_.reset(WebSocketEncoder::CreateServer(
"permessage-deflate; client_max_window_bits", &response_extensions));
EXPECT_EQ(
"permessage-deflate; server_max_window_bits=15; "
"client_max_window_bits=15",
response_extensions);
client_.reset(WebSocketEncoder::CreateClient(response_extensions));
}
};
TEST_F(WebSocketEncoderTest, ClientToServer) {
std::string frame("ClientToServer");
int mask = 123456;
std::string encoded;
int bytes_consumed;
std::string decoded;
client_->EncodeFrame(frame, mask, &encoded);
EXPECT_EQ(WebSocket::FRAME_OK,
server_->DecodeFrame(encoded, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
std::string partial = encoded.substr(0, encoded.length() - 2);
EXPECT_EQ(WebSocket::FRAME_INCOMPLETE,
server_->DecodeFrame(partial, &bytes_consumed, &decoded));
std::string extra = encoded + "more stuff";
EXPECT_EQ(WebSocket::FRAME_OK,
server_->DecodeFrame(extra, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
EXPECT_EQ(
WebSocket::FRAME_ERROR,
server_->DecodeFrame(std::string("abcde"), &bytes_consumed, &decoded));
}
TEST_F(WebSocketEncoderTest, ServerToClient) {
std::string frame("ServerToClient");
int mask = 0;
std::string encoded;
int bytes_consumed;
std::string decoded;
server_->EncodeFrame(frame, mask, &encoded);
EXPECT_EQ(WebSocket::FRAME_OK,
client_->DecodeFrame(encoded, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
std::string partial = encoded.substr(0, encoded.length() - 2);
EXPECT_EQ(WebSocket::FRAME_INCOMPLETE,
client_->DecodeFrame(partial, &bytes_consumed, &decoded));
std::string extra = encoded + "more stuff";
EXPECT_EQ(WebSocket::FRAME_OK,
client_->DecodeFrame(extra, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
EXPECT_EQ(
WebSocket::FRAME_ERROR,
client_->DecodeFrame(std::string("abcde"), &bytes_consumed, &decoded));
}
TEST_F(WebSocketEncoderCompressionTest, ClientToServer) {
std::string frame("CompressionCompressionCompressionCompression");
int mask = 654321;
std::string encoded;
int bytes_consumed;
std::string decoded;
client_->EncodeFrame(frame, mask, &encoded);
EXPECT_LT(encoded.length(), frame.length());
EXPECT_EQ(WebSocket::FRAME_OK,
server_->DecodeFrame(encoded, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
}
TEST_F(WebSocketEncoderCompressionTest, ServerToClient) {
std::string frame("CompressionCompressionCompressionCompression");
int mask = 0;
std::string encoded;
int bytes_consumed;
std::string decoded;
server_->EncodeFrame(frame, mask, &encoded);
EXPECT_LT(encoded.length(), frame.length());
EXPECT_EQ(WebSocket::FRAME_OK,
client_->DecodeFrame(encoded, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
}
TEST_F(WebSocketEncoderCompressionTest, LongFrame) {
int length = 1000000;
std::string temp;
temp.reserve(length);
for (int i = 0; i < length; ++i)
temp += (char)('a' + (i % 26));
std::string frame;
frame.reserve(length);
for (int i = 0; i < length; ++i) {
int64 j = i;
frame += temp.data()[(j * j) % length];
}
int mask = 0;
std::string encoded;
int bytes_consumed;
std::string decoded;
server_->EncodeFrame(frame, mask, &encoded);
EXPECT_LT(encoded.length(), frame.length());
EXPECT_EQ(WebSocket::FRAME_OK,
client_->DecodeFrame(encoded, &bytes_consumed, &decoded));
EXPECT_EQ(frame, decoded);
EXPECT_EQ((int)encoded.length(), bytes_consumed);
}
} // namespace net
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