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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/enterprise/common/files_scan_data.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace enterprise_connectors {
class FilesScanDataTest : public testing::Test {
public:
void SetUp() override {
base::ScopedAllowBlockingForTesting allow_blocking;
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
}
base::FilePath AddFile(base::FilePath file_name) {
base::FilePath path = temp_dir_.GetPath().Append(file_name);
base::File file(path, base::File::FLAG_CREATE | base::File::FLAG_WRITE);
return path;
}
base::FilePath SubDirPath(base::FilePath dir_name) {
return temp_dir_.GetPath().Append(dir_name);
}
private:
content::BrowserTaskEnvironment task_environment_;
base::ScopedTempDir temp_dir_;
};
TEST_F(FilesScanDataTest, EmptyFileList) {
base::ScopedAllowBlockingForTesting allow_blocking;
FilesScanData files_scan_data;
base::RunLoop run_loop;
files_scan_data.ExpandPaths(run_loop.QuitClosure());
run_loop.Run();
ASSERT_TRUE(files_scan_data.expanded_paths().empty());
// Giving an incoherent list of arguments shouldn't cause issues, just return
// an empty set of indexes.
base::FilePath path_1 = AddFile(base::FilePath(FILE_PATH_LITERAL("a.txt")));
base::FilePath path_2 = AddFile(base::FilePath(FILE_PATH_LITERAL("b.txt")));
ASSERT_TRUE(files_scan_data.IndexesToBlock({true, true}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({true, false}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({false, true}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({false, false}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({true}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({false}).empty());
ASSERT_TRUE(files_scan_data.IndexesToBlock({}).empty());
}
TEST_F(FilesScanDataTest, FlatFileList) {
base::ScopedAllowBlockingForTesting allow_blocking;
std::vector<base::FilePath> paths = {
AddFile(base::FilePath(FILE_PATH_LITERAL("a.txt"))),
AddFile(base::FilePath(FILE_PATH_LITERAL("b.txt"))),
AddFile(base::FilePath(FILE_PATH_LITERAL("c.txt"))),
};
std::vector<bool> results_cases[] = {
{true, true, true}, // No failures
{true, false, true}, // 1 failure
{false, false, false}, // All failures
};
for (const std::vector<bool>& results : results_cases) {
FilesScanData files_scan_data(paths);
base::RunLoop run_loop;
files_scan_data.ExpandPaths(run_loop.QuitClosure());
run_loop.Run();
std::set<size_t> blocked_indexes = files_scan_data.IndexesToBlock(results);
ASSERT_EQ(results.size(), files_scan_data.expanded_paths().size());
for (size_t i = 0; i < results.size(); ++i) {
ASSERT_EQ(results[i], !blocked_indexes.count(i));
}
}
}
TEST_F(FilesScanDataTest, Directories) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath folder_1 = base::FilePath(FILE_PATH_LITERAL("folder_1"));
base::FilePath folder_2 = base::FilePath(FILE_PATH_LITERAL("folder_2"));
ASSERT_TRUE(base::CreateDirectory(SubDirPath(folder_1)));
ASSERT_TRUE(base::CreateDirectory(SubDirPath(folder_2)));
base::FilePath path_1_1 =
AddFile(folder_1.Append(base::FilePath(FILE_PATH_LITERAL("a.txt"))));
base::FilePath path_1_2 =
AddFile(folder_1.Append(base::FilePath(FILE_PATH_LITERAL("b.txt"))));
base::FilePath path_2_1 =
AddFile(folder_2.Append(base::FilePath(FILE_PATH_LITERAL("a.txt"))));
base::FilePath path_2_2 =
AddFile(folder_2.Append(base::FilePath(FILE_PATH_LITERAL("b.txt"))));
std::vector<base::FilePath> paths = {path_1_1, path_1_2, path_2_1, path_2_2};
FilesScanData files_scan_data({SubDirPath(folder_1), SubDirPath(folder_2)});
base::RunLoop run_loop;
files_scan_data.ExpandPaths(run_loop.QuitClosure());
run_loop.Run();
const auto& expand = files_scan_data.expanded_paths_indexes();
ASSERT_EQ(expand.size(), 4u);
ASSERT_EQ(expand.at(path_1_1), 0u);
ASSERT_EQ(expand.at(path_1_2), 0u);
ASSERT_EQ(expand.at(path_2_1), 1u);
ASSERT_EQ(expand.at(path_2_2), 1u);
// No failure means no top directory gets blocked.
std::set<size_t> blocked_indexes =
files_scan_data.IndexesToBlock({true, true, true, true});
ASSERT_TRUE(blocked_indexes.empty());
// One failure means the top matching directory gets blocked.
blocked_indexes = files_scan_data.IndexesToBlock({false, true, true, true});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(0));
blocked_indexes = files_scan_data.IndexesToBlock({true, false, true, true});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(0));
blocked_indexes = files_scan_data.IndexesToBlock({true, true, false, true});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(1));
blocked_indexes = files_scan_data.IndexesToBlock({true, true, true, false});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(1));
// Two failures means the top matching directory gets blocked.
blocked_indexes = files_scan_data.IndexesToBlock({false, false, true, true});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(0));
blocked_indexes = files_scan_data.IndexesToBlock({false, true, false, true});
ASSERT_EQ(blocked_indexes.size(), 2u);
ASSERT_TRUE(blocked_indexes.count(0));
ASSERT_TRUE(blocked_indexes.count(1));
blocked_indexes = files_scan_data.IndexesToBlock({true, false, true, false});
ASSERT_EQ(blocked_indexes.size(), 2u);
ASSERT_TRUE(blocked_indexes.count(0));
ASSERT_TRUE(blocked_indexes.count(1));
blocked_indexes = files_scan_data.IndexesToBlock({true, true, false, false});
ASSERT_EQ(blocked_indexes.size(), 1u);
ASSERT_TRUE(blocked_indexes.count(1));
}
TEST_F(FilesScanDataTest, BasePaths) {
base::ScopedAllowBlockingForTesting allow_blocking;
std::vector<base::FilePath> paths = {
AddFile(base::FilePath(FILE_PATH_LITERAL("a.txt"))),
AddFile(base::FilePath(FILE_PATH_LITERAL("b.txt"))),
AddFile(base::FilePath(FILE_PATH_LITERAL("c.txt"))),
};
FilesScanData files_scan_data(paths);
ASSERT_EQ(files_scan_data.base_paths(), paths);
base::RunLoop run_loop;
files_scan_data.ExpandPaths(run_loop.QuitClosure());
ASSERT_EQ(files_scan_data.base_paths().size(), 0u);
run_loop.Run();
ASSERT_EQ(files_scan_data.base_paths(), paths);
ASSERT_EQ(files_scan_data.take_base_paths(), paths);
// Base paths is empty after a take.
ASSERT_EQ(files_scan_data.base_paths().size(), 0u);
ASSERT_EQ(files_scan_data.take_base_paths().size(), 0u);
}
} // namespace enterprise_connectors
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