135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
//
|
|
// Copyright (C) 2016 The Android Open Source Project
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
|
|
#include "update_engine/payload_generator/mapfile_filesystem.h"
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <map>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <base/format_macros.h>
|
|
#include <base/logging.h>
|
|
#include <base/strings/string_number_conversions.h>
|
|
#include <base/strings/string_util.h>
|
|
#include <base/strings/stringprintf.h>
|
|
#include <gtest/gtest.h>
|
|
|
|
#include "update_engine/common/test_utils.h"
|
|
#include "update_engine/common/utils.h"
|
|
#include "update_engine/payload_generator/extent_ranges.h"
|
|
#include "update_engine/payload_generator/extent_utils.h"
|
|
|
|
using std::map;
|
|
using std::string;
|
|
using std::unique_ptr;
|
|
using std::vector;
|
|
|
|
namespace chromeos_update_engine {
|
|
|
|
namespace {
|
|
|
|
// Checks that all the blocks in |extents| are in the range [0, total_blocks).
|
|
void ExpectBlocksInRange(const vector<Extent>& extents, uint64_t total_blocks) {
|
|
for (const Extent& extent : extents) {
|
|
EXPECT_LE(0U, extent.start_block());
|
|
EXPECT_LE(extent.start_block() + extent.num_blocks(), total_blocks);
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
class MapfileFilesystemTest : public ::testing::Test {
|
|
protected:
|
|
ScopedTempFile temp_file_{"mapfile_file.XXXXXX"};
|
|
ScopedTempFile temp_mapfile_{"mapfile_mapfile.XXXXXX"};
|
|
};
|
|
|
|
TEST_F(MapfileFilesystemTest, EmptyFilesystem) {
|
|
unique_ptr<MapfileFilesystem> fs = MapfileFilesystem::CreateFromFile(
|
|
temp_file_.path(), temp_mapfile_.path());
|
|
ASSERT_NE(nullptr, fs.get());
|
|
|
|
EXPECT_EQ(0U, fs->GetBlockCount());
|
|
// .map files are always 4KiB blocks.
|
|
EXPECT_EQ(4096U, fs->GetBlockSize());
|
|
}
|
|
|
|
TEST_F(MapfileFilesystemTest, SeveralFileFormatTest) {
|
|
string text =
|
|
"/fileA 1\n"
|
|
"/fileB 2-4\n"
|
|
"/fileC 5-6 9 11-12\n"
|
|
"/file with spaces 14 19\n"
|
|
"/1234 7\n";
|
|
test_utils::WriteFileString(temp_mapfile_.path(), text);
|
|
EXPECT_EQ(0, HANDLE_EINTR(truncate(temp_file_.path().c_str(), 4096 * 20)));
|
|
|
|
unique_ptr<MapfileFilesystem> fs = MapfileFilesystem::CreateFromFile(
|
|
temp_file_.path(), temp_mapfile_.path());
|
|
ASSERT_NE(nullptr, fs.get());
|
|
|
|
vector<FilesystemInterface::File> files;
|
|
EXPECT_TRUE(fs->GetFiles(&files));
|
|
|
|
map<string, FilesystemInterface::File> map_files;
|
|
for (const auto& file : files) {
|
|
EXPECT_EQ(map_files.end(), map_files.find(file.name))
|
|
<< "File " << file.name << " repeated in the list.";
|
|
map_files[file.name] = file;
|
|
ExpectBlocksInRange(file.extents, fs->GetBlockCount());
|
|
}
|
|
|
|
EXPECT_EQ(map_files["/fileA"].extents,
|
|
(vector<Extent>{ExtentForRange(1, 1)}));
|
|
EXPECT_EQ(map_files["/fileB"].extents,
|
|
(vector<Extent>{ExtentForRange(2, 3)}));
|
|
EXPECT_EQ(
|
|
map_files["/fileC"].extents,
|
|
(vector<Extent>{
|
|
ExtentForRange(5, 2), ExtentForRange(9, 1), ExtentForRange(11, 2)}));
|
|
EXPECT_EQ(map_files["/file with spaces"].extents,
|
|
(vector<Extent>{ExtentForRange(14, 1), ExtentForRange(19, 1)}));
|
|
EXPECT_EQ(map_files["/1234"].extents, (vector<Extent>{ExtentForRange(7, 1)}));
|
|
}
|
|
|
|
TEST_F(MapfileFilesystemTest, BlockNumberTooBigTest) {
|
|
test_utils::WriteFileString(temp_mapfile_.path(), "/some/file 1-4\n");
|
|
EXPECT_EQ(0, HANDLE_EINTR(truncate(temp_file_.path().c_str(), 4096 * 3)));
|
|
|
|
unique_ptr<MapfileFilesystem> fs = MapfileFilesystem::CreateFromFile(
|
|
temp_file_.path(), temp_mapfile_.path());
|
|
ASSERT_NE(nullptr, fs.get());
|
|
|
|
vector<FilesystemInterface::File> files;
|
|
EXPECT_FALSE(fs->GetFiles(&files));
|
|
}
|
|
|
|
TEST_F(MapfileFilesystemTest, EndBeforeStartTest) {
|
|
test_utils::WriteFileString(temp_mapfile_.path(), "/some/file 2-1\n");
|
|
EXPECT_EQ(0, HANDLE_EINTR(truncate(temp_file_.path().c_str(), 4096 * 3)));
|
|
|
|
unique_ptr<MapfileFilesystem> fs = MapfileFilesystem::CreateFromFile(
|
|
temp_file_.path(), temp_mapfile_.path());
|
|
ASSERT_NE(nullptr, fs.get());
|
|
|
|
vector<FilesystemInterface::File> files;
|
|
EXPECT_FALSE(fs->GetFiles(&files));
|
|
}
|
|
|
|
} // namespace chromeos_update_engine
|