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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_WEB_APPLICATIONS_TEST_TEST_FILE_UTILS_H_
#define CHROME_BROWSER_WEB_APPLICATIONS_TEST_TEST_FILE_UTILS_H_
#include <map>
#include <memory>
#include <optional>
#include "base/containers/span.h"
#include "chrome/browser/web_applications/file_utils_wrapper.h"
namespace web_app {
// A testing implementation to intercept calls to the file system.
class TestFileUtils : public FileUtilsWrapper {
public:
// Initializer list type deduction does not work through std::make_unique so
// provide this helper function.
static scoped_refptr<TestFileUtils> Create(
std::map<base::FilePath, base::FilePath> read_file_rerouting);
explicit TestFileUtils(
std::map<base::FilePath, base::FilePath> read_file_rerouting = {});
TestFileUtils(const TestFileUtils&) = delete;
TestFileUtils& operator=(const TestFileUtils&) = delete;
// FileUtilsWrapper:
bool WriteFile(const base::FilePath& filename,
base::span<const uint8_t> file_data) override;
bool ReadFileToString(const base::FilePath& path,
std::string* contents) override;
bool DeleteFileRecursively(const base::FilePath& path) override;
static constexpr int kNoLimit = -1;
// Simulate "disk full" error: limit disk space for |WriteFile| operations.
void SetRemainingDiskSpaceSize(int remaining_disk_space);
void SetNextDeleteFileRecursivelyResult(std::optional<bool> delete_result);
TestFileUtils* AsTestFileUtils() override;
private:
~TestFileUtils() override;
std::map<base::FilePath, base::FilePath> read_file_rerouting_;
std::optional<bool> delete_file_recursively_result_;
int remaining_disk_space_ = kNoLimit;
};
} // namespace web_app
#endif // CHROME_BROWSER_WEB_APPLICATIONS_TEST_TEST_FILE_UTILS_H_
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