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// Copyright 2021 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/browser/safe_browsing/cloud_content_scanning/file_opening_job.h"
#include <memory>
#include "base/command_line.h"
#include "base/containers/span.h"
#include "base/files/scoped_temp_dir.h"
#include "base/memory/weak_ptr.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/test/scoped_command_line.h"
#include "build/build_config.h"
#include "chrome/browser/enterprise/connectors/common.h"
#include "chrome/browser/safe_browsing/cloud_content_scanning/file_analysis_request.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace safe_browsing {
class FileOpeningJobTest : public testing::Test {
public:
void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); }
void OnGotFileData(std::unique_ptr<FileAnalysisRequest> request,
BinaryUploadService::Result result,
BinaryUploadService::Request::Data data) {
EXPECT_EQ(BinaryUploadService::Result::SUCCESS, result);
EXPECT_TRUE(data.contents.empty());
EXPECT_FALSE(data.mime_type.empty());
EXPECT_EQ(3u, data.size);
// printf "foo" | sha256sum | tr '[:lower:]' '[:upper:]'
EXPECT_EQ(
"2C26B46B68FFC68FF99B453C1D30413413422D706483BFA0F98A5E886266E7AE",
data.hash);
++on_got_file_data_count_;
if (on_got_file_data_count_ == quit_file_count_)
quit_closure_.Run();
}
std::vector<FileOpeningJob::FileOpeningTask> CreateFilesAndTasks(int num) {
std::vector<FileOpeningJob::FileOpeningTask> tasks(num);
for (int i = 0; i < num; ++i) {
base::FilePath path = temp_dir_.GetPath().AppendASCII(
base::StringPrintf("foo%d.txt", next_file_id_));
++next_file_id_;
base::File file(path, base::File::FLAG_CREATE | base::File::FLAG_WRITE);
file.WriteAtCurrentPos(base::byte_span_from_cstring("foo"));
auto request = std::make_unique<FileAnalysisRequest>(
enterprise_connectors::AnalysisSettings(), path, path.BaseName(),
/*mime_type*/ "",
/*delay_opening_file*/ true, base::DoNothing());
auto* request_raw = request.get();
request_raw->GetRequestData(
base::BindOnce(&FileOpeningJobTest::OnGotFileData,
weak_factory_.GetWeakPtr(), std::move(request)));
tasks[i].request = request_raw;
}
return tasks;
}
protected:
base::ScopedTempDir temp_dir_;
content::BrowserTaskEnvironment browser_task_environment_;
int next_file_id_ = 0;
int on_got_file_data_count_ = 0;
int quit_file_count_ = 0;
base::RepeatingClosure quit_closure_;
base::WeakPtrFactory<FileOpeningJobTest> weak_factory_{this};
};
TEST_F(FileOpeningJobTest, SingleFile) {
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
quit_file_count_ = 1;
auto tasks = CreateFilesAndTasks(1);
FileOpeningJob job(std::move(tasks));
run_loop.Run();
EXPECT_EQ(1, on_got_file_data_count_);
}
TEST_F(FileOpeningJobTest, MultiFiles) {
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
quit_file_count_ = 100;
auto tasks = CreateFilesAndTasks(100);
FileOpeningJob job(std::move(tasks));
run_loop.Run();
EXPECT_EQ(100, on_got_file_data_count_);
}
TEST_F(FileOpeningJobTest, MaxThreadsFlag) {
base::test::ScopedCommandLine scoped_command_line;
base::CommandLine* command_line = scoped_command_line.GetProcessCommandLine();
base::RunLoop run_loop;
quit_closure_ = run_loop.QuitClosure();
quit_file_count_ = 500;
EXPECT_EQ(5u, FileOpeningJob::GetMaxFileOpeningThreads());
command_line->AppendSwitchASCII("wp-max-file-opening-threads", "10");
EXPECT_EQ(10u, FileOpeningJob::GetMaxFileOpeningThreads());
command_line->RemoveSwitch("wp-max-file-opening-threads");
command_line->AppendSwitchASCII("wp-max-file-opening-threads", "0");
EXPECT_EQ(5u, FileOpeningJob::GetMaxFileOpeningThreads());
command_line->RemoveSwitch("wp-max-file-opening-threads");
command_line->AppendSwitchASCII("wp-max-file-opening-threads", "foo");
EXPECT_EQ(5u, FileOpeningJob::GetMaxFileOpeningThreads());
command_line->RemoveSwitch("wp-max-file-opening-threads");
command_line->AppendSwitchASCII("wp-max-file-opening-threads", "-1");
EXPECT_EQ(5u, FileOpeningJob::GetMaxFileOpeningThreads());
}
} // namespace safe_browsing
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