| // Copyright 2013 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 "remoting/host/native_messaging/native_messaging_writer.h" |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/json/json_reader.h" |
| #include "base/stl_util.h" |
| #include "base/values.h" |
| #include "remoting/host/setup/test_util.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace remoting { |
| |
| class NativeMessagingWriterTest : public testing::Test { |
| public: |
| NativeMessagingWriterTest(); |
| ~NativeMessagingWriterTest() override; |
| |
| void SetUp() override; |
| |
| protected: |
| std::unique_ptr<NativeMessagingWriter> writer_; |
| base::File read_file_; |
| base::File write_file_; |
| }; |
| |
| NativeMessagingWriterTest::NativeMessagingWriterTest() = default; |
| NativeMessagingWriterTest::~NativeMessagingWriterTest() = default; |
| |
| void NativeMessagingWriterTest::SetUp() { |
| ASSERT_TRUE(MakePipe(&read_file_, &write_file_)); |
| writer_.reset(new NativeMessagingWriter(std::move(write_file_))); |
| } |
| |
| TEST_F(NativeMessagingWriterTest, GoodMessage) { |
| base::DictionaryValue message; |
| message.SetInteger("foo", 42); |
| EXPECT_TRUE(writer_->WriteMessage(message)); |
| |
| // Read from the pipe and verify the content. |
| uint32_t length; |
| int read = read_file_.ReadAtCurrentPos(reinterpret_cast<char*>(&length), 4); |
| EXPECT_EQ(4, read); |
| std::string content(length, '\0'); |
| read = read_file_.ReadAtCurrentPos(base::data(content), length); |
| EXPECT_EQ(static_cast<int>(length), read); |
| |
| // |content| should now contain serialized |message|. |
| std::unique_ptr<base::Value> written_message = |
| base::JSONReader::Read(content); |
| EXPECT_TRUE(message.Equals(written_message.get())); |
| |
| // Nothing more should have been written. Close the write-end of the pipe, |
| // and verify the read end immediately hits EOF. |
| writer_.reset(nullptr); |
| char unused; |
| read = read_file_.ReadAtCurrentPos(&unused, 1); |
| EXPECT_LE(read, 0); |
| } |
| |
| TEST_F(NativeMessagingWriterTest, SecondMessage) { |
| base::DictionaryValue message1; |
| base::DictionaryValue message2; |
| message2.SetInteger("foo", 42); |
| EXPECT_TRUE(writer_->WriteMessage(message1)); |
| EXPECT_TRUE(writer_->WriteMessage(message2)); |
| writer_.reset(nullptr); |
| |
| // Read two messages. |
| uint32_t length; |
| int read; |
| std::string content; |
| for (int i = 0; i < 2; i++) { |
| read = read_file_.ReadAtCurrentPos(reinterpret_cast<char*>(&length), 4); |
| EXPECT_EQ(4, read) << "i = " << i; |
| content.resize(length); |
| read = read_file_.ReadAtCurrentPos(base::data(content), length); |
| EXPECT_EQ(static_cast<int>(length), read) << "i = " << i; |
| } |
| |
| // |content| should now contain serialized |message2|. |
| std::unique_ptr<base::Value> written_message2 = |
| base::JSONReader::Read(content); |
| EXPECT_TRUE(message2.Equals(written_message2.get())); |
| } |
| |
| TEST_F(NativeMessagingWriterTest, FailedWrite) { |
| // Close the read end so that writing fails immediately. |
| read_file_.Close(); |
| |
| base::DictionaryValue message; |
| EXPECT_FALSE(writer_->WriteMessage(message)); |
| } |
| |
| } // namespace remoting |