net/base/upload_file_element_reader_unittest.cc - chromium/src.git - Git at Google

 // Copyright (c) 2012 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/base/upload_file_element_reader.h"

 #include <stdint.h>

 #include <limits>

 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/run_loop.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/test/gtest_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"

 using net::test::IsError;
 using net::test::IsOk;

 namespace net {

 class UploadFileElementReaderTest : public PlatformTest {
  protected:
   void SetUp() override {
     PlatformTest::SetUp();
     // Some tests (*.ReadPartially) rely on bytes_.size() being even.
     const char kData[] = "123456789abcdefghi";
     bytes_.assign(kData, kData + arraysize(kData) - 1);

     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());

     ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(),
                                                &temp_file_path_));
     ASSERT_EQ(
         static_cast<int>(bytes_.size()),
         base::WriteFile(temp_file_path_, &bytes_[0], bytes_.size()));

     reader_.reset(new UploadFileElementReader(
         base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
         std::numeric_limits<uint64_t>::max(), base::Time()));
     TestCompletionCallback callback;
     ASSERT_THAT(reader_->Init(callback.callback()), IsError(ERR_IO_PENDING));
     EXPECT_THAT(callback.WaitForResult(), IsOk());
     EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
     EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
     EXPECT_FALSE(reader_->IsInMemory());
   }

   ~UploadFileElementReaderTest() override {
     reader_.reset();
     base::RunLoop().RunUntilIdle();
   }

   std::vector<char> bytes_;
   std::unique_ptr<UploadElementReader> reader_;
   base::ScopedTempDir temp_dir_;
   base::FilePath temp_file_path_;
 };

 TEST_F(UploadFileElementReaderTest, ReadPartially) {
   const size_t kHalfSize = bytes_.size() / 2;
   ASSERT_EQ(bytes_.size(), kHalfSize * 2);
   std::vector<char> buf(kHalfSize);
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
   TestCompletionCallback read_callback1;
   ASSERT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback1.callback()));
   EXPECT_EQ(static_cast<int>(buf.size()), read_callback1.WaitForResult());
   EXPECT_EQ(bytes_.size() - buf.size(), reader_->BytesRemaining());
   EXPECT_EQ(std::vector<char>(bytes_.begin(), bytes_.begin() + kHalfSize), buf);

   TestCompletionCallback read_callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback2.callback()));
   EXPECT_EQ(static_cast<int>(buf.size()), read_callback2.WaitForResult());
   EXPECT_EQ(0U, reader_->BytesRemaining());
   EXPECT_EQ(std::vector<char>(bytes_.begin() + kHalfSize, bytes_.end()), buf);
 }

 TEST_F(UploadFileElementReaderTest, ReadAll) {
   std::vector<char> buf(bytes_.size());
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
   TestCompletionCallback read_callback;
   ASSERT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback.callback()));
   EXPECT_EQ(static_cast<int>(buf.size()), read_callback.WaitForResult());
   EXPECT_EQ(0U, reader_->BytesRemaining());
   EXPECT_EQ(bytes_, buf);
   // Try to read again.
   EXPECT_EQ(0,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback.callback()));
 }

 TEST_F(UploadFileElementReaderTest, ReadTooMuch) {
   const size_t kTooLargeSize = bytes_.size() * 2;
   std::vector<char> buf(kTooLargeSize);
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
   TestCompletionCallback read_callback;
   ASSERT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback.callback()));
   EXPECT_EQ(static_cast<int>(bytes_.size()), read_callback.WaitForResult());
   EXPECT_EQ(0U, reader_->BytesRemaining());
   buf.resize(bytes_.size());  // Resize to compare.
   EXPECT_EQ(bytes_, buf);
 }

 TEST_F(UploadFileElementReaderTest, MultipleInit) {
   std::vector<char> buf(bytes_.size());
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);

   // Read all.
   TestCompletionCallback read_callback1;
   ASSERT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback1.callback()));
   EXPECT_EQ(static_cast<int>(buf.size()), read_callback1.WaitForResult());
   EXPECT_EQ(0U, reader_->BytesRemaining());
   EXPECT_EQ(bytes_, buf);

   // Call Init() again to reset the state.
   TestCompletionCallback init_callback;
   ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback.WaitForResult(), IsOk());
   EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
   EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());

   // Read again.
   TestCompletionCallback read_callback2;
   ASSERT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback2.callback()));
   EXPECT_EQ(static_cast<int>(buf.size()), read_callback2.WaitForResult());
   EXPECT_EQ(0U, reader_->BytesRemaining());
   EXPECT_EQ(bytes_, buf);
 }

 TEST_F(UploadFileElementReaderTest, InitDuringAsyncOperation) {
   std::vector<char> buf(bytes_.size());
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);

   // Start reading all.
   TestCompletionCallback read_callback1;
   EXPECT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer.get(), buf.size(), read_callback1.callback()));

   // Call Init to cancel the previous read.
   TestCompletionCallback init_callback1;
   EXPECT_THAT(reader_->Init(init_callback1.callback()),
               IsError(ERR_IO_PENDING));

   // Call Init again to cancel the previous init.
   TestCompletionCallback init_callback2;
   EXPECT_THAT(reader_->Init(init_callback2.callback()),
               IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback2.WaitForResult(), IsOk());
   EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
   EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());

   // Read half.
   std::vector<char> buf2(bytes_.size() / 2);
   scoped_refptr<IOBuffer> wrapped_buffer2 = new WrappedIOBuffer(&buf2[0]);
   TestCompletionCallback read_callback2;
   EXPECT_EQ(ERR_IO_PENDING,
             reader_->Read(
                 wrapped_buffer2.get(), buf2.size(), read_callback2.callback()));
   EXPECT_EQ(static_cast<int>(buf2.size()), read_callback2.WaitForResult());
   EXPECT_EQ(bytes_.size() - buf2.size(), reader_->BytesRemaining());
   EXPECT_EQ(std::vector<char>(bytes_.begin(), bytes_.begin() + buf2.size()),
             buf2);

   // Make sure callbacks are not called for cancelled operations.
   EXPECT_FALSE(read_callback1.have_result());
   EXPECT_FALSE(init_callback1.have_result());
 }

 TEST_F(UploadFileElementReaderTest, Range) {
   const uint64_t kOffset = 2;
   const uint64_t kLength = bytes_.size() - kOffset * 3;
   reader_.reset(new UploadFileElementReader(
       base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, kOffset,
       kLength, base::Time()));
   TestCompletionCallback init_callback;
   ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback.WaitForResult(), IsOk());
   EXPECT_EQ(kLength, reader_->GetContentLength());
   EXPECT_EQ(kLength, reader_->BytesRemaining());
   std::vector<char> buf(kLength);
   scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
   TestCompletionCallback read_callback;
   ASSERT_EQ(
       ERR_IO_PENDING,
       reader_->Read(wrapped_buffer.get(), kLength, read_callback.callback()));
   EXPECT_EQ(static_cast<int>(kLength), read_callback.WaitForResult());
   const std::vector<char> expected(bytes_.begin() + kOffset,
                                    bytes_.begin() + kOffset + kLength);
   EXPECT_EQ(expected, buf);
 }

 TEST_F(UploadFileElementReaderTest, FileChanged) {
   base::File::Info info;
   ASSERT_TRUE(base::GetFileInfo(temp_file_path_, &info));

   // Expect one second before the actual modification time to simulate change.
   const base::Time expected_modification_time =
       info.last_modified - base::TimeDelta::FromSeconds(1);
   reader_.reset(new UploadFileElementReader(
       base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
       std::numeric_limits<uint64_t>::max(), expected_modification_time));
   TestCompletionCallback init_callback;
   ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback.WaitForResult(), IsError(ERR_UPLOAD_FILE_CHANGED));
 }

 TEST_F(UploadFileElementReaderTest, InexactExpectedTimeStamp) {
   base::File::Info info;
   ASSERT_TRUE(base::GetFileInfo(temp_file_path_, &info));

   const base::Time expected_modification_time =
       info.last_modified - base::TimeDelta::FromMilliseconds(900);
   reader_.reset(new UploadFileElementReader(
       base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
       std::numeric_limits<uint64_t>::max(), expected_modification_time));
   TestCompletionCallback init_callback;
   ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback.WaitForResult(), IsOk());
 }

 TEST_F(UploadFileElementReaderTest, WrongPath) {
   const base::FilePath wrong_path(FILE_PATH_LITERAL("wrong_path"));
   reader_.reset(new UploadFileElementReader(
       base::ThreadTaskRunnerHandle::Get().get(), wrong_path, 0,
       std::numeric_limits<uint64_t>::max(), base::Time()));
   TestCompletionCallback init_callback;
   ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
   EXPECT_THAT(init_callback.WaitForResult(), IsError(ERR_FILE_NOT_FOUND));
 }

 }  // namespace net
	// Copyright (c) 2012 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/base/upload_file_element_reader.h"

	#include <stdint.h>

	#include <limits>

	#include "base/files/file_util.h"
	#include "base/files/scoped_temp_dir.h"
	#include "base/run_loop.h"
	#include "base/threading/thread_task_runner_handle.h"
	#include "net/base/io_buffer.h"
	#include "net/base/net_errors.h"
	#include "net/base/test_completion_callback.h"
	#include "net/test/gtest_util.h"
	#include "testing/gmock/include/gmock/gmock.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "testing/platform_test.h"

	using net::test::IsError;
	using net::test::IsOk;

	namespace net {

	class UploadFileElementReaderTest : public PlatformTest {
	protected:
	void SetUp() override {
	PlatformTest::SetUp();
	// Some tests (*.ReadPartially) rely on bytes_.size() being even.
	const char kData[] = "123456789abcdefghi";
	bytes_.assign(kData, kData + arraysize(kData) - 1);

	ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());

	ASSERT_TRUE(base::CreateTemporaryFileInDir(temp_dir_.path(),
	&temp_file_path_));
	ASSERT_EQ(
	static_cast<int>(bytes_.size()),
	base::WriteFile(temp_file_path_, &bytes_[0], bytes_.size()));

	reader_.reset(new UploadFileElementReader(
	base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
	std::numeric_limits<uint64_t>::max(), base::Time()));
	TestCompletionCallback callback;
	ASSERT_THAT(reader_->Init(callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(callback.WaitForResult(), IsOk());
	EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
	EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
	EXPECT_FALSE(reader_->IsInMemory());
	}

	~UploadFileElementReaderTest() override {
	reader_.reset();
	base::RunLoop().RunUntilIdle();
	}

	std::vector<char> bytes_;
	std::unique_ptr<UploadElementReader> reader_;
	base::ScopedTempDir temp_dir_;
	base::FilePath temp_file_path_;
	};

	TEST_F(UploadFileElementReaderTest, ReadPartially) {
	const size_t kHalfSize = bytes_.size() / 2;
	ASSERT_EQ(bytes_.size(), kHalfSize * 2);
	std::vector<char> buf(kHalfSize);
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
	TestCompletionCallback read_callback1;
	ASSERT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback1.callback()));
	EXPECT_EQ(static_cast<int>(buf.size()), read_callback1.WaitForResult());
	EXPECT_EQ(bytes_.size() - buf.size(), reader_->BytesRemaining());
	EXPECT_EQ(std::vector<char>(bytes_.begin(), bytes_.begin() + kHalfSize), buf);

	TestCompletionCallback read_callback2;
	EXPECT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback2.callback()));
	EXPECT_EQ(static_cast<int>(buf.size()), read_callback2.WaitForResult());
	EXPECT_EQ(0U, reader_->BytesRemaining());
	EXPECT_EQ(std::vector<char>(bytes_.begin() + kHalfSize, bytes_.end()), buf);
	}

	TEST_F(UploadFileElementReaderTest, ReadAll) {
	std::vector<char> buf(bytes_.size());
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
	TestCompletionCallback read_callback;
	ASSERT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback.callback()));
	EXPECT_EQ(static_cast<int>(buf.size()), read_callback.WaitForResult());
	EXPECT_EQ(0U, reader_->BytesRemaining());
	EXPECT_EQ(bytes_, buf);
	// Try to read again.
	EXPECT_EQ(0,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback.callback()));
	}

	TEST_F(UploadFileElementReaderTest, ReadTooMuch) {
	const size_t kTooLargeSize = bytes_.size() * 2;
	std::vector<char> buf(kTooLargeSize);
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
	TestCompletionCallback read_callback;
	ASSERT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback.callback()));
	EXPECT_EQ(static_cast<int>(bytes_.size()), read_callback.WaitForResult());
	EXPECT_EQ(0U, reader_->BytesRemaining());
	buf.resize(bytes_.size()); // Resize to compare.
	EXPECT_EQ(bytes_, buf);
	}

	TEST_F(UploadFileElementReaderTest, MultipleInit) {
	std::vector<char> buf(bytes_.size());
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);

	// Read all.
	TestCompletionCallback read_callback1;
	ASSERT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback1.callback()));
	EXPECT_EQ(static_cast<int>(buf.size()), read_callback1.WaitForResult());
	EXPECT_EQ(0U, reader_->BytesRemaining());
	EXPECT_EQ(bytes_, buf);

	// Call Init() again to reset the state.
	TestCompletionCallback init_callback;
	ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback.WaitForResult(), IsOk());
	EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
	EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());

	// Read again.
	TestCompletionCallback read_callback2;
	ASSERT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback2.callback()));
	EXPECT_EQ(static_cast<int>(buf.size()), read_callback2.WaitForResult());
	EXPECT_EQ(0U, reader_->BytesRemaining());
	EXPECT_EQ(bytes_, buf);
	}

	TEST_F(UploadFileElementReaderTest, InitDuringAsyncOperation) {
	std::vector<char> buf(bytes_.size());
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);

	// Start reading all.
	TestCompletionCallback read_callback1;
	EXPECT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer.get(), buf.size(), read_callback1.callback()));

	// Call Init to cancel the previous read.
	TestCompletionCallback init_callback1;
	EXPECT_THAT(reader_->Init(init_callback1.callback()),
	IsError(ERR_IO_PENDING));

	// Call Init again to cancel the previous init.
	TestCompletionCallback init_callback2;
	EXPECT_THAT(reader_->Init(init_callback2.callback()),
	IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback2.WaitForResult(), IsOk());
	EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
	EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());

	// Read half.
	std::vector<char> buf2(bytes_.size() / 2);
	scoped_refptr<IOBuffer> wrapped_buffer2 = new WrappedIOBuffer(&buf2[0]);
	TestCompletionCallback read_callback2;
	EXPECT_EQ(ERR_IO_PENDING,
	reader_->Read(
	wrapped_buffer2.get(), buf2.size(), read_callback2.callback()));
	EXPECT_EQ(static_cast<int>(buf2.size()), read_callback2.WaitForResult());
	EXPECT_EQ(bytes_.size() - buf2.size(), reader_->BytesRemaining());
	EXPECT_EQ(std::vector<char>(bytes_.begin(), bytes_.begin() + buf2.size()),
	buf2);

	// Make sure callbacks are not called for cancelled operations.
	EXPECT_FALSE(read_callback1.have_result());
	EXPECT_FALSE(init_callback1.have_result());
	}

	TEST_F(UploadFileElementReaderTest, Range) {
	const uint64_t kOffset = 2;
	const uint64_t kLength = bytes_.size() - kOffset * 3;
	reader_.reset(new UploadFileElementReader(
	base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, kOffset,
	kLength, base::Time()));
	TestCompletionCallback init_callback;
	ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback.WaitForResult(), IsOk());
	EXPECT_EQ(kLength, reader_->GetContentLength());
	EXPECT_EQ(kLength, reader_->BytesRemaining());
	std::vector<char> buf(kLength);
	scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
	TestCompletionCallback read_callback;
	ASSERT_EQ(
	ERR_IO_PENDING,
	reader_->Read(wrapped_buffer.get(), kLength, read_callback.callback()));
	EXPECT_EQ(static_cast<int>(kLength), read_callback.WaitForResult());
	const std::vector<char> expected(bytes_.begin() + kOffset,
	bytes_.begin() + kOffset + kLength);
	EXPECT_EQ(expected, buf);
	}

	TEST_F(UploadFileElementReaderTest, FileChanged) {
	base::File::Info info;
	ASSERT_TRUE(base::GetFileInfo(temp_file_path_, &info));

	// Expect one second before the actual modification time to simulate change.
	const base::Time expected_modification_time =
	info.last_modified - base::TimeDelta::FromSeconds(1);
	reader_.reset(new UploadFileElementReader(
	base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
	std::numeric_limits<uint64_t>::max(), expected_modification_time));
	TestCompletionCallback init_callback;
	ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback.WaitForResult(), IsError(ERR_UPLOAD_FILE_CHANGED));
	}

	TEST_F(UploadFileElementReaderTest, InexactExpectedTimeStamp) {
	base::File::Info info;
	ASSERT_TRUE(base::GetFileInfo(temp_file_path_, &info));

	const base::Time expected_modification_time =
	info.last_modified - base::TimeDelta::FromMilliseconds(900);
	reader_.reset(new UploadFileElementReader(
	base::ThreadTaskRunnerHandle::Get().get(), temp_file_path_, 0,
	std::numeric_limits<uint64_t>::max(), expected_modification_time));
	TestCompletionCallback init_callback;
	ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback.WaitForResult(), IsOk());
	}

	TEST_F(UploadFileElementReaderTest, WrongPath) {
	const base::FilePath wrong_path(FILE_PATH_LITERAL("wrong_path"));
	reader_.reset(new UploadFileElementReader(
	base::ThreadTaskRunnerHandle::Get().get(), wrong_path, 0,
	std::numeric_limits<uint64_t>::max(), base::Time()));
	TestCompletionCallback init_callback;
	ASSERT_THAT(reader_->Init(init_callback.callback()), IsError(ERR_IO_PENDING));
	EXPECT_THAT(init_callback.WaitForResult(), IsError(ERR_FILE_NOT_FOUND));
	}

	} // namespace net