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// 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_data_stream.h"
#include <vector>
#include "base/basictypes.h"
#include "base/bind.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/time.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "net/base/upload_data.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace net {
namespace {
const char kTestData[] = "0123456789";
const size_t kTestDataSize = arraysize(kTestData) - 1;
const size_t kTestBufferSize = 1 << 14; // 16KB.
} // namespace
class UploadDataStreamTest : public PlatformTest {
public:
UploadDataStreamTest() : upload_data_(new UploadData) { }
void FileChangedHelper(const FilePath& file_path,
const base::Time& time,
bool error_expected);
scoped_refptr<UploadData> upload_data_;
};
TEST_F(UploadDataStreamTest, EmptyUploadData) {
upload_data_->AppendBytes("", 0);
scoped_ptr<UploadDataStream> stream(new UploadDataStream(upload_data_));
ASSERT_EQ(OK, stream->Init());
ASSERT_TRUE(stream.get());
EXPECT_EQ(0U, stream->size());
EXPECT_EQ(0U, stream->position());
EXPECT_TRUE(stream->IsEOF());
}
TEST_F(UploadDataStreamTest, ConsumeAll) {
upload_data_->AppendBytes(kTestData, kTestDataSize);
scoped_ptr<UploadDataStream> stream(new UploadDataStream(upload_data_));
ASSERT_EQ(OK, stream->Init());
ASSERT_TRUE(stream.get());
EXPECT_EQ(kTestDataSize, stream->size());
EXPECT_EQ(0U, stream->position());
EXPECT_FALSE(stream->IsEOF());
scoped_refptr<IOBuffer> buf = new IOBuffer(kTestBufferSize);
while (!stream->IsEOF()) {
int bytes_read = stream->Read(buf, kTestBufferSize);
ASSERT_LE(0, bytes_read); // Not an error.
}
EXPECT_EQ(kTestDataSize, stream->position());
ASSERT_TRUE(stream->IsEOF());
}
TEST_F(UploadDataStreamTest, FileSmallerThanLength) {
FilePath temp_file_path;
ASSERT_TRUE(file_util::CreateTemporaryFile(&temp_file_path));
ASSERT_EQ(static_cast<int>(kTestDataSize),
file_util::WriteFile(temp_file_path, kTestData, kTestDataSize));
const uint64 kFakeSize = kTestDataSize*2;
std::vector<UploadData::Element> elements;
UploadData::Element element;
element.SetToFilePath(temp_file_path);
element.SetContentLength(kFakeSize);
elements.push_back(element);
upload_data_->SetElements(elements);
EXPECT_EQ(kFakeSize, upload_data_->GetContentLengthSync());
scoped_ptr<UploadDataStream> stream(new UploadDataStream(upload_data_));
ASSERT_EQ(OK, stream->Init());
ASSERT_TRUE(stream.get());
EXPECT_EQ(kFakeSize, stream->size());
EXPECT_EQ(0U, stream->position());
EXPECT_FALSE(stream->IsEOF());
uint64 read_counter = 0;
scoped_refptr<IOBuffer> buf = new IOBuffer(kTestBufferSize);
while (!stream->IsEOF()) {
int bytes_read = stream->Read(buf, kTestBufferSize);
ASSERT_LE(0, bytes_read); // Not an error.
read_counter += bytes_read;
EXPECT_EQ(read_counter, stream->position());
}
// UpdateDataStream will pad out the file with 0 bytes so that the HTTP
// transaction doesn't hang. Therefore we expected the full size.
EXPECT_EQ(kFakeSize, read_counter);
EXPECT_EQ(read_counter, stream->position());
file_util::Delete(temp_file_path, false);
}
void UploadDataStreamTest::FileChangedHelper(const FilePath& file_path,
const base::Time& time,
bool error_expected) {
std::vector<UploadData::Element> elements;
UploadData::Element element;
element.SetToFilePathRange(file_path, 1, 2, time);
elements.push_back(element);
// Don't use upload_data_ here, as this function is called twice, and
// reusing upload_data_ is wrong.
scoped_refptr<UploadData> upload_data(new UploadData);
upload_data->SetElements(elements);
scoped_ptr<UploadDataStream> stream(new UploadDataStream(upload_data));
int error_code = stream->Init();
if (error_expected)
ASSERT_EQ(ERR_UPLOAD_FILE_CHANGED, error_code);
else
ASSERT_EQ(OK, error_code);
}
TEST_F(UploadDataStreamTest, FileChanged) {
FilePath temp_file_path;
ASSERT_TRUE(file_util::CreateTemporaryFile(&temp_file_path));
ASSERT_EQ(static_cast<int>(kTestDataSize),
file_util::WriteFile(temp_file_path, kTestData, kTestDataSize));
base::PlatformFileInfo file_info;
ASSERT_TRUE(file_util::GetFileInfo(temp_file_path, &file_info));
// Test file not changed.
FileChangedHelper(temp_file_path, file_info.last_modified, false);
// Test file changed.
FileChangedHelper(temp_file_path,
file_info.last_modified - base::TimeDelta::FromSeconds(1),
true);
file_util::Delete(temp_file_path, false);
}
} // namespace net
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