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// Copyright 2012 The Chromium Authors
// 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/task/single_thread_task_runner.h"
#include "build/build_config.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 "net/test/test_with_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_APPLE)
#include "base/mac/scoped_nsautorelease_pool.h"
#endif
using net::test::IsError;
using net::test::IsOk;
namespace net {
// When the parameter is false, the UploadFileElementReader is passed only a
// FilePath and needs to open the file itself. When it's true, it's passed an
// already open base::File.
class UploadFileElementReaderTest : public testing::TestWithParam<bool>,
public WithTaskEnvironment {
protected:
void SetUp() override {
// Some tests (*.ReadPartially) rely on bytes_.size() being even.
bytes_.assign({'1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c',
'd', 'e', 'f', 'g', 'h', 'i'});
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(
base::CreateTemporaryFileInDir(temp_dir_.GetPath(), &temp_file_path_));
ASSERT_TRUE(base::WriteFile(
temp_file_path_, base::StringPiece(bytes_.data(), bytes_.size())));
reader_ =
CreateReader(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();
}
// Creates a UploadFileElementReader based on the value of GetParam().
std::unique_ptr<UploadFileElementReader> CreateReader(
int64_t offset,
int64_t length,
base::Time expected_modification_time) {
if (GetParam()) {
return std::make_unique<UploadFileElementReader>(
base::SingleThreadTaskRunner::GetCurrentDefault().get(),
temp_file_path_, offset, length, expected_modification_time);
}
// The base::File::FLAG_WIN_SHARE_DELETE lets the file be deleted without
// the test fixture waiting on it to be closed.
int open_flags = base::File::FLAG_OPEN | base::File::FLAG_READ |
base::File::FLAG_WIN_SHARE_DELETE;
#if BUILDFLAG(IS_WIN)
// On Windows, file must be opened for asynchronous operation.
open_flags |= base::File::FLAG_ASYNC;
#endif // BUILDFLAG(IS_WIN)
base::File file(temp_file_path_, open_flags);
EXPECT_TRUE(file.IsValid());
return std::make_unique<UploadFileElementReader>(
base::SingleThreadTaskRunner::GetCurrentDefault().get(),
std::move(file),
// Use an incorrect path, to make sure that the file is never re-opened.
base::FilePath(FILE_PATH_LITERAL("this_should_be_ignored")), offset,
length, expected_modification_time);
}
#if BUILDFLAG(IS_APPLE)
// May be needed to avoid leaks on OSX.
base::mac::ScopedNSAutoreleasePool scoped_pool_;
#endif
std::vector<char> bytes_;
std::unique_ptr<UploadElementReader> reader_;
base::ScopedTempDir temp_dir_;
base::FilePath temp_file_path_;
};
TEST_P(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 =
base::MakeRefCounted<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_P(UploadFileElementReaderTest, ReadAll) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer =
base::MakeRefCounted<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_P(UploadFileElementReaderTest, ReadTooMuch) {
const size_t kTooLargeSize = bytes_.size() * 2;
std::vector<char> buf(kTooLargeSize);
scoped_refptr<IOBuffer> wrapped_buffer =
base::MakeRefCounted<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_P(UploadFileElementReaderTest, MultipleInit) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer =
base::MakeRefCounted<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_P(UploadFileElementReaderTest, InitDuringAsyncOperation) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer =
base::MakeRefCounted<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 =
base::MakeRefCounted<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_P(UploadFileElementReaderTest, RepeatedInitDuringInit) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer =
base::MakeRefCounted<WrappedIOBuffer>(&buf[0]);
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));
// Call Init yet again to cancel the previous init.
TestCompletionCallback init_callback3;
EXPECT_THAT(reader_->Init(init_callback3.callback()),
IsError(ERR_IO_PENDING));
EXPECT_THAT(init_callback3.WaitForResult(), IsOk());
EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
// Read all.
TestCompletionCallback read_callback;
int result =
reader_->Read(wrapped_buffer.get(), buf.size(), read_callback.callback());
EXPECT_EQ(static_cast<int>(buf.size()), read_callback.GetResult(result));
EXPECT_EQ(0U, reader_->BytesRemaining());
EXPECT_EQ(bytes_, buf);
EXPECT_FALSE(init_callback1.have_result());
EXPECT_FALSE(init_callback2.have_result());
}
TEST_P(UploadFileElementReaderTest, Range) {
const uint64_t kOffset = 2;
const uint64_t kLength = bytes_.size() - kOffset * 3;
reader_ = CreateReader(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 =
base::MakeRefCounted<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_P(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::Seconds(1);
reader_ = CreateReader(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_P(UploadFileElementReaderTest, InexactExpectedTimeStamp) {
base::File::Info info;
ASSERT_TRUE(base::GetFileInfo(temp_file_path_, &info));
const base::Time expected_modification_time =
info.last_modified - base::Milliseconds(900);
reader_ = CreateReader(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_P(UploadFileElementReaderTest, WrongPath) {
const base::FilePath wrong_path(FILE_PATH_LITERAL("wrong_path"));
reader_ = std::make_unique<UploadFileElementReader>(
base::SingleThreadTaskRunner::GetCurrentDefault().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));
}
INSTANTIATE_TEST_SUITE_P(All,
UploadFileElementReaderTest,
testing::ValuesIn({false, true}));
} // namespace net