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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_file_element_reader.h"
#include "base/file_util.h"
#include "base/scoped_temp_dir.h"
#include "net/base/net_errors.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace net {
class UploadFileElementReaderTest : public PlatformTest {
protected:
virtual void SetUp() OVERRIDE {
const char kData[] = "123456789abcdefghi";
bytes_.assign(kData, kData + arraysize(kData));
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
ASSERT_TRUE(file_util::CreateTemporaryFileInDir(temp_dir_.path(),
&temp_file_path_));
ASSERT_EQ(
static_cast<int>(bytes_.size()),
file_util::WriteFile(temp_file_path_, &bytes_[0], bytes_.size()));
reader_.reset(new UploadFileElementReader(
temp_file_path_, 0, kuint64max, base::Time()));
ASSERT_EQ(OK, reader_->InitSync());
EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
EXPECT_FALSE(reader_->IsInMemory());
}
std::vector<char> bytes_;
scoped_ptr<UploadElementReader> reader_;
ScopedTempDir temp_dir_;
FilePath temp_file_path_;
};
TEST_F(UploadFileElementReaderTest, ReadPartially) {
const size_t kHalfSize = bytes_.size() / 2;
std::vector<char> buf(kHalfSize);
EXPECT_EQ(static_cast<int>(buf.size()),
reader_->ReadSync(&buf[0], buf.size()));
EXPECT_EQ(bytes_.size() - buf.size(), reader_->BytesRemaining());
bytes_.resize(kHalfSize); // Resize to compare.
EXPECT_EQ(bytes_, buf);
}
TEST_F(UploadFileElementReaderTest, ReadAll) {
std::vector<char> buf(bytes_.size());
EXPECT_EQ(static_cast<int>(buf.size()),
reader_->ReadSync(&buf[0], buf.size()));
EXPECT_EQ(0U, reader_->BytesRemaining());
EXPECT_EQ(bytes_, buf);
// Try to read again.
EXPECT_EQ(0, reader_->ReadSync(&buf[0], buf.size()));
}
TEST_F(UploadFileElementReaderTest, ReadTooMuch) {
const size_t kTooLargeSize = bytes_.size() * 2;
std::vector<char> buf(kTooLargeSize);
EXPECT_EQ(static_cast<int>(bytes_.size()),
reader_->ReadSync(&buf[0], buf.size()));
EXPECT_EQ(0U, reader_->BytesRemaining());
buf.resize(bytes_.size()); // Resize to compare.
EXPECT_EQ(bytes_, buf);
}
TEST_F(UploadFileElementReaderTest, Range) {
const uint64 kOffset = 2;
const uint64 kLength = bytes_.size() - kOffset * 3;
reader_.reset(new UploadFileElementReader(
temp_file_path_, kOffset, kLength, base::Time()));
ASSERT_EQ(OK, reader_->InitSync());
EXPECT_EQ(kLength, reader_->GetContentLength());
EXPECT_EQ(kLength, reader_->BytesRemaining());
std::vector<char> buf(kLength);
EXPECT_EQ(static_cast<int>(kLength),
reader_->ReadSync(&buf[0], kLength));
const std::vector<char> expected(bytes_.begin() + kOffset,
bytes_.begin() + kOffset + kLength);
EXPECT_EQ(expected, buf);
}
TEST_F(UploadFileElementReaderTest, FileChanged) {
base::PlatformFileInfo info;
ASSERT_TRUE(file_util::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(
temp_file_path_, 0, kuint64max, expected_modification_time));
EXPECT_EQ(ERR_UPLOAD_FILE_CHANGED, reader_->InitSync());
}
TEST_F(UploadFileElementReaderTest, WrongPath) {
const FilePath wrong_path(FILE_PATH_LITERAL("wrong_path"));
reader_.reset(new UploadFileElementReader(
wrong_path, 0, kuint64max, base::Time()));
ASSERT_EQ(OK, reader_->InitSync());
EXPECT_EQ(0U, reader_->GetContentLength());
EXPECT_EQ(0U, reader_->BytesRemaining());
}
} // namespace net
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