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// Copyright 2025 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/persistent_cache/sqlite/backend_storage_delegate.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "components/persistent_cache/backend.h"
#include "components/persistent_cache/pending_backend.h"
#include "components/persistent_cache/sqlite/constants.h"
#include "components/persistent_cache/sqlite/sqlite_backend_impl.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace persistent_cache::sqlite {
namespace {
class SqliteBackendStorageDelegateTest : public testing::Test {
protected:
void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); }
const base::FilePath& temp_path() const { return temp_dir_.GetPath(); }
BackendStorageDelegate& delegate() { return delegate_; }
private:
base::ScopedTempDir temp_dir_;
BackendStorageDelegate delegate_;
};
TEST_F(SqliteBackendStorageDelegateTest, GetBaseName) {
ASSERT_EQ(delegate().GetBaseName(base::FilePath()), base::FilePath());
ASSERT_EQ(delegate().GetBaseName(temp_path()), base::FilePath());
ASSERT_EQ(delegate().GetBaseName(
temp_path().AppendASCII("spam").AddExtension(kDbFileExtension)),
base::FilePath::FromASCII("spam"));
ASSERT_EQ(delegate().GetBaseName(temp_path().AppendASCII("spam").AddExtension(
kJournalFileExtension)),
base::FilePath());
ASSERT_EQ(delegate().GetBaseName(temp_path().AppendASCII("spam").AddExtension(
kWalJournalFileExtension)),
base::FilePath());
}
TEST_F(SqliteBackendStorageDelegateTest, CreateAndDelete) {
base::FilePath base_name = base::FilePath::FromASCII("base_name");
auto pending_backend =
delegate().MakePendingBackend(temp_path(), base_name,
/*single_connection=*/false,
/*journal_mode_wal=*/false);
ASSERT_NE(pending_backend, std::nullopt);
auto backend = SqliteBackendImpl::Bind(*std::move(pending_backend));
ASSERT_NE(backend, nullptr);
// The backend should have created some files.
ASSERT_FALSE(base::IsDirectoryEmpty(temp_path()));
// Close the files.
backend.reset();
int64_t dir_size = base::ComputeDirectorySize(temp_path());
// Ask the delegate to delete them.
ASSERT_EQ(delegate().DeleteFiles(temp_path(), base_name), dir_size);
// The files should now be gone.
ASSERT_TRUE(base::IsDirectoryEmpty(temp_path()));
}
TEST_F(SqliteBackendStorageDelegateTest, CreateAndDeleteWal) {
base::FilePath base_name = base::FilePath::FromASCII("base_name");
auto pending_backend =
delegate().MakePendingBackend(temp_path(), base_name,
/*single_connection=*/true,
/*journal_mode_wal=*/true);
ASSERT_NE(pending_backend, std::nullopt);
auto backend = SqliteBackendImpl::Bind(*std::move(pending_backend));
ASSERT_NE(backend, nullptr);
// The backend should have created some files.
ASSERT_FALSE(base::IsDirectoryEmpty(temp_path()));
// Close the files.
backend.reset();
int64_t dir_size = base::ComputeDirectorySize(temp_path());
// Ask the delegate to delete them.
ASSERT_EQ(delegate().DeleteFiles(temp_path(), base_name), dir_size);
// The files should now be gone.
ASSERT_TRUE(base::IsDirectoryEmpty(temp_path()));
}
} // namespace
} // namespace persistent_cache::sqlite
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