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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/installer/util/delete_tree_work_item.h"
#include <memory>
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "chrome/installer/util/work_item.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
constexpr char kTextContent[] = "delete me";
class DeleteTreeWorkItemTest : public testing::Test {
public:
DeleteTreeWorkItemTest(const DeleteTreeWorkItemTest&) = delete;
DeleteTreeWorkItemTest& operator=(const DeleteTreeWorkItemTest&) = delete;
protected:
DeleteTreeWorkItemTest() = default;
void SetUp() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
dir_name_ = temp_dir_.GetPath().Append(FILE_PATH_LITERAL("to_be_deleted"));
ASSERT_TRUE(base::CreateDirectory(dir_name_));
ASSERT_TRUE(base::PathExists(dir_name_));
dir_name_1_ = dir_name_.Append(FILE_PATH_LITERAL("1"));
ASSERT_TRUE(base::CreateDirectory(dir_name_1_));
ASSERT_TRUE(base::PathExists(dir_name_1_));
dir_name_2_ = dir_name_.Append(FILE_PATH_LITERAL("2"));
ASSERT_TRUE(base::CreateDirectory(dir_name_2_));
ASSERT_TRUE(base::PathExists(dir_name_2_));
file_name_1_ = dir_name_1_.Append(FILE_PATH_LITERAL("File_1.txt"));
ASSERT_TRUE(base::WriteFile(file_name_1_, kTextContent));
ASSERT_TRUE(base::PathExists(file_name_1_));
file_name_2_ = dir_name_2_.Append(FILE_PATH_LITERAL("File_2.txt"));
ASSERT_TRUE(base::WriteFile(file_name_2_, kTextContent));
ASSERT_TRUE(base::PathExists(file_name_2_));
}
void ExpectAllFilesExist() {
EXPECT_TRUE(base::PathExists(dir_name_));
EXPECT_TRUE(base::PathExists(dir_name_1_));
EXPECT_TRUE(base::PathExists(dir_name_2_));
EXPECT_TRUE(base::PathExists(file_name_1_));
EXPECT_TRUE(base::PathExists(file_name_2_));
}
void ExpectAllFilesDeleted() {
EXPECT_FALSE(base::PathExists(dir_name_));
EXPECT_FALSE(base::PathExists(dir_name_1_));
EXPECT_FALSE(base::PathExists(dir_name_2_));
EXPECT_FALSE(base::PathExists(file_name_1_));
EXPECT_FALSE(base::PathExists(file_name_2_));
}
// The temporary directory used to contain the test operations.
base::ScopedTempDir temp_dir_;
base::FilePath dir_name_;
base::FilePath dir_name_1_;
base::FilePath dir_name_2_;
base::FilePath file_name_1_;
base::FilePath file_name_2_;
};
} // namespace
// Delete a tree with rollback enabled and no file in use. Do() should delete
// everything and Rollback() should bring back everything.
TEST_F(DeleteTreeWorkItemTest, Delete) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
std::unique_ptr<DeleteTreeWorkItem> work_item(
WorkItem::CreateDeleteTreeWorkItem(dir_name_, temp_dir.GetPath()));
EXPECT_TRUE(work_item->Do());
ExpectAllFilesDeleted();
work_item->Rollback();
ExpectAllFilesExist();
}
// Delete a tree with rollback disabled and no file in use. Do() should delete
// everything and Rollback() shouldn't bring back anything.
TEST_F(DeleteTreeWorkItemTest, DeleteRollbackDisabled) {
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
std::unique_ptr<DeleteTreeWorkItem> work_item(
WorkItem::CreateDeleteTreeWorkItem(dir_name_, temp_dir.GetPath()));
work_item->set_rollback_enabled(false);
EXPECT_TRUE(work_item->Do());
ExpectAllFilesDeleted();
work_item->Rollback();
ExpectAllFilesDeleted();
}
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