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// Copyright 2017 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/exo/data_source.h"
#include <atomic>
#include "base/barrier_closure.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/test/bind.h"
#include "base/test/task_environment.h"
#include "components/exo/data_source_delegate.h"
#include "components/exo/test/exo_test_base.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace exo {
namespace {
constexpr char kTestData[] = "Test Data";
class DataSourceTest : public testing::Test {
protected:
base::test::TaskEnvironment task_environment_{
base::test::TaskEnvironment::MainThreadType::DEFAULT,
base::test::TaskEnvironment::ThreadPoolExecutionMode::ASYNC};
};
class TestDataSourceDelegate : public DataSourceDelegate {
public:
TestDataSourceDelegate() {}
~TestDataSourceDelegate() override {}
// Overridden from DataSourceDelegate:
void OnDataSourceDestroying(DataSource* source) override {}
void OnTarget(const absl::optional<std::string>& mime_type) override {}
void OnSend(const std::string& mime_type, base::ScopedFD fd) override {
ASSERT_TRUE(base::WriteFileDescriptor(fd.get(), kTestData));
}
void OnCancelled() override {}
void OnDndDropPerformed() override {}
void OnDndFinished() override {}
void OnAction(DndAction dnd_action) override {}
bool CanAcceptDataEventsForSurface(Surface* surface) const override {
return true;
}
};
void CheckMimeType(const std::string& expected,
base::OnceClosure counter,
const std::string& mime_type,
const std::vector<uint8_t>& data) {
EXPECT_FALSE(expected.empty());
EXPECT_EQ(expected, mime_type);
std::move(counter).Run();
}
void CheckTextMimeType(const std::string& expected,
base::OnceClosure counter,
const std::string& mime_type,
std::u16string data) {
EXPECT_FALSE(expected.empty());
EXPECT_EQ(expected, mime_type);
std::move(counter).Run();
}
struct FileContents {
std::string mime_type;
std::string parsed_filename;
};
void CheckFileContentsMimeType(const FileContents& file_contents,
base::OnceClosure counter,
const std::string& mime_type,
const base::FilePath& filename,
const std::vector<uint8_t>& data) {
EXPECT_FALSE(file_contents.mime_type.empty());
EXPECT_EQ(file_contents.mime_type, mime_type);
EXPECT_EQ(file_contents.parsed_filename, filename.value());
std::move(counter).Run();
}
void CheckWebCustomDataMimeType(const std::string& expected,
base::OnceClosure counter,
const std::string& mime_type,
const std::vector<uint8_t>& data) {
EXPECT_FALSE(mime_type.empty());
EXPECT_EQ(expected, mime_type);
std::move(counter).Run();
}
void IncrementFailureCounter(std::atomic_int* failure_count,
base::RepeatingClosure counter) {
++(*failure_count);
std::move(counter).Run();
}
void CheckMimeTypesReceived(
DataSource* data_source,
const std::string& text_mime,
const std::string& rtf_mime,
const std::string& html_mime,
const std::string& image_mime,
const std::string& filenames_mime,
const FileContents& file_contents,
const std::string& web_custom_data_mime = std::string()) {
base::RunLoop run_loop;
base::RepeatingClosure counter =
base::BarrierClosure(DataSource::kMaxDataTypes, run_loop.QuitClosure());
std::atomic_int failure_count;
failure_count.store(0);
data_source->GetDataForPreferredMimeTypes(
base::BindOnce(&CheckTextMimeType, text_mime, counter),
base::BindOnce(&CheckMimeType, rtf_mime, counter),
base::BindOnce(&CheckTextMimeType, html_mime, counter),
base::BindOnce(&CheckMimeType, image_mime, counter),
base::BindOnce(&CheckMimeType, filenames_mime, counter),
base::BindOnce(&CheckFileContentsMimeType, file_contents, counter),
base::BindOnce(&CheckWebCustomDataMimeType, web_custom_data_mime,
counter),
base::BindRepeating(&IncrementFailureCounter, &failure_count, counter));
run_loop.Run();
int expected_failure_count = 0;
for (const auto& mime_type :
{text_mime, rtf_mime, html_mime, image_mime, filenames_mime,
file_contents.mime_type, web_custom_data_mime}) {
if (mime_type.empty())
++expected_failure_count;
}
EXPECT_EQ(expected_failure_count, failure_count.load());
}
TEST_F(DataSourceTest, ReadData) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
std::string mime_type("text/plain;charset=utf-8");
data_source.Offer(mime_type.c_str());
data_source.ReadDataForTesting(
mime_type, base::BindOnce([](const std::string& mime_type,
const std::vector<uint8_t>& data) {
std::string string_data(data.begin(), data.end());
EXPECT_EQ(std::string(kTestData), string_data);
}));
task_environment_.RunUntilIdle();
}
TEST_F(DataSourceTest, ReadDataArbitraryMimeType) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
std::string mime_type("abc/def;key=value");
data_source.Offer(mime_type.c_str());
data_source.ReadDataForTesting(
mime_type, base::BindOnce([](const std::string& mime_type,
const std::vector<uint8_t>& data) {
std::string string_data(data.begin(), data.end());
EXPECT_EQ(std::string(kTestData), string_data);
}));
task_environment_.RunUntilIdle();
}
TEST_F(DataSourceTest, ReadData_UnknownMimeType) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=utf-8");
std::string unknown_type("text/unknown");
data_source.ReadDataForTesting(
unknown_type, base::BindOnce([](const std::string& mime_type,
const std::vector<uint8_t>& data) {
FAIL() << "Callback should not be invoked when known "
"mimetype is not offerred";
}));
task_environment_.RunUntilIdle();
}
TEST_F(DataSourceTest, ReadData_Destroyed) {
TestDataSourceDelegate delegate;
{
DataSource data_source(&delegate);
std::string mime_type("text/plain;charset=utf-8");
data_source.Offer(mime_type);
data_source.ReadDataForTesting(
mime_type, base::BindOnce([](const std::string& mime_type,
const std::vector<uint8_t>& data) {
FAIL() << "Callback should not be invoked after "
"data source is destroyed";
}));
}
task_environment_.RunUntilIdle();
}
TEST_F(DataSourceTest, ReadData_Cancelled) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
std::string mime_type("text/plain;charset=utf-8");
data_source.Offer(mime_type);
data_source.ReadDataForTesting(
mime_type, base::BindOnce([](const std::string& mime_type,
const std::vector<uint8_t>& data) {
FAIL() << "Callback should not be invoked after cancelled";
}));
data_source.Cancelled();
task_environment_.RunUntilIdle();
}
TEST_F(DataSourceTest, ReadData_Deleted) {
TestDataSourceDelegate delegate;
auto data_source = std::make_unique<DataSource>(&delegate);
std::string mime_type("text/plain;charset=utf-8");
data_source->Offer(mime_type);
base::RunLoop run_loop;
data_source->ReadDataForTesting(mime_type, base::DoNothing(),
run_loop.QuitClosure());
data_source.reset();
run_loop.Run();
}
TEST_F(DataSourceTest, CheckDteMimeTypeReceived) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
const std::string kDteMimeType("chromium/x-data-transfer-endpoint");
data_source.Offer(kDteMimeType);
base::RunLoop run_loop;
base::RepeatingClosure counter =
base::BarrierClosure(1, run_loop.QuitClosure());
std::atomic_int failure_count{0};
data_source.ReadDataTransferEndpoint(
base::BindOnce(&CheckTextMimeType, kDteMimeType, counter),
base::BindRepeating(&IncrementFailureCounter, &failure_count, counter));
run_loop.Run();
EXPECT_EQ(0, failure_count.load());
}
TEST_F(DataSourceTest, PreferredMimeTypeUTF16) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=utf-16");
data_source.Offer("text/plain;charset=UTF-8");
data_source.Offer("text/html;charset=UTF-16");
data_source.Offer("text/html;charset=utf-8");
CheckMimeTypesReceived(&data_source, "text/plain;charset=utf-16", "",
"text/html;charset=UTF-16", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeUTF16LE) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=utf-16le");
data_source.Offer("text/plain;charset=utf8");
data_source.Offer("text/html;charset=utf16le");
data_source.Offer("text/html;charset=utf-8");
CheckMimeTypesReceived(&data_source, "text/plain;charset=utf-16le", "",
"text/html;charset=utf16le", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeUTF16BE) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=utf-16be");
data_source.Offer("text/plain;charset=UTF8");
data_source.Offer("text/html;charset=UTF16be");
data_source.Offer("text/html;charset=utf-8");
CheckMimeTypesReceived(&data_source, "text/plain;charset=utf-16be", "",
"text/html;charset=UTF16be", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeUTFToOther) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=utf-8");
data_source.Offer("text/plain;charset=iso-8859-1");
data_source.Offer("text/html;charset=utf-8");
data_source.Offer("text/html;charset=iso-8859-1");
CheckMimeTypesReceived(&data_source, "text/plain;charset=utf-8", "",
"text/html;charset=utf-8", "", "", {});
}
TEST_F(DataSourceTest, RecogniseUTF8Legaccy) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("UTF8_STRING");
data_source.Offer("text/plain;charset=iso-8859-1");
CheckMimeTypesReceived(&data_source, "UTF8_STRING", "", "", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeOtherToAscii) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=iso-8859-1");
data_source.Offer("text/plain;charset=ASCII");
data_source.Offer("text/html;charset=iso-8859-1");
data_source.Offer("text/html;charset=ascii");
CheckMimeTypesReceived(&data_source, "text/plain;charset=iso-8859-1", "",
"text/html;charset=iso-8859-1", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeOtherToUnspecified) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/plain;charset=iso-8859-1");
data_source.Offer("text/plain");
data_source.Offer("text/html;charset=iso-8859-1");
data_source.Offer("text/html");
CheckMimeTypesReceived(&data_source, "text/plain;charset=iso-8859-1", "",
"text/html;charset=iso-8859-1", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeRTF) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/rtf");
CheckMimeTypesReceived(&data_source, "", "text/rtf", "", "", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypePNGtoBitmap) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("image/bmp");
data_source.Offer("image/png");
CheckMimeTypesReceived(&data_source, "", "", "", "image/png", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypePNGToJPEG) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("image/png");
data_source.Offer("image/jpeg");
data_source.Offer("image/jpg");
CheckMimeTypesReceived(&data_source, "", "", "", "image/png", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeBitmaptoJPEG) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("image/bmp");
data_source.Offer("image/jpeg");
data_source.Offer("image/jpg");
CheckMimeTypesReceived(&data_source, "", "", "", "image/bmp", "", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeTextUriList) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("text/uri-list");
CheckMimeTypesReceived(&data_source, "", "", "", "", "text/uri-list", {});
}
TEST_F(DataSourceTest, PreferredMimeTypeOctetStream) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("application/octet-stream;name=test.jpg");
CheckMimeTypesReceived(
&data_source, "", "", "", "", "",
{"application/octet-stream;name=test.jpg", "test.jpg"});
}
TEST_F(DataSourceTest, OctetStreamWithoutName) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("application/octet-stream");
CheckMimeTypesReceived(&data_source, "", "", "", "", "", {});
}
TEST_F(DataSourceTest, OctetStreamWithQuotedName) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
data_source.Offer("application/octet-stream;name=\"t\\\\est\\\".jpg\"");
CheckMimeTypesReceived(
&data_source, "", "", "", "", "",
{"application/octet-stream;name=\"t\\\\est\\\".jpg\"", "t\\est\".jpg"});
}
TEST_F(DataSourceTest, WebCustomDataMime) {
TestDataSourceDelegate delegate;
DataSource data_source(&delegate);
std::string web_custom_data_mime("chromium/x-web-custom-data");
data_source.Offer(web_custom_data_mime);
CheckMimeTypesReceived(&data_source, "", "", "", "", "", {},
web_custom_data_mime);
}
} // namespace
} // namespace exo
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