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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/test/bind.h"
#include "base/test/scoped_feature_list.h"
#include "chrome/browser/media/webrtc/chrome_screen_enumerator.h"
#include "chrome/test/base/chrome_ash_test_base.h"
#include "content/public/common/content_features.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/window.h"
class ChromeScreenEnumeratorTest : public ChromeAshTestBase {
public:
ChromeScreenEnumeratorTest() = default;
explicit ChromeScreenEnumeratorTest(const ChromeScreenEnumerator&) = delete;
ChromeScreenEnumeratorTest& operator=(const ChromeScreenEnumerator&) = delete;
~ChromeScreenEnumeratorTest() override = default;
void SetUp() override {
ChromeAshTestBase::SetUp();
enumerator_ = std::make_unique<ChromeScreenEnumerator>();
scoped_feature_list_.InitFromCommandLine(
/*enable_features=*/
"GetAllScreensMedia",
/*disable_features=*/"");
}
std::vector<raw_ptr<aura::Window, VectorExperimental>> GenerateScreensList(
size_t number_of_screens) {
screens_.clear();
window_delegates_.clear();
std::vector<raw_ptr<aura::Window, VectorExperimental>> screens;
for (size_t i = 0; i < number_of_screens; ++i) {
auto window_delegate = std::make_unique<aura::test::TestWindowDelegate>();
auto screen = std::make_unique<aura::Window>(window_delegate.get());
screen->Init(ui::LayerType::LAYER_NOT_DRAWN);
screens.push_back(screen.get());
screens_.emplace_back(std::move(screen));
window_delegates_.emplace_back(std::move(window_delegate));
}
return screens;
}
protected:
std::vector<std::unique_ptr<aura::test::TestWindowDelegate>>
window_delegates_;
std::vector<std::unique_ptr<aura::Window>> screens_;
std::unique_ptr<ChromeScreenEnumerator> enumerator_;
base::test::ScopedFeatureList scoped_feature_list_;
};
TEST_F(ChromeScreenEnumeratorTest, NoScreen) {
ChromeScreenEnumerator::SetRootWindowsForTesting(/*root_windows=*/{});
base::RunLoop run_loop;
blink::mojom::StreamDevicesSetPtr actual_stream_devices_set;
blink::mojom::MediaStreamRequestResult actual_result;
enumerator_->EnumerateScreens(
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE_SET,
base::BindLambdaForTesting(
[&run_loop, &actual_stream_devices_set, &actual_result](
const blink::mojom::StreamDevicesSet& stream_devices_set,
blink::mojom::MediaStreamRequestResult result) {
actual_stream_devices_set = stream_devices_set.Clone();
actual_result = result;
run_loop.Quit();
}));
run_loop.Run();
EXPECT_EQ(0u, actual_stream_devices_set->stream_devices.size());
EXPECT_EQ(blink::mojom::MediaStreamRequestResult::NO_HARDWARE, actual_result);
}
TEST_F(ChromeScreenEnumeratorTest, SingleScreen) {
ChromeScreenEnumerator::SetRootWindowsForTesting(
GenerateScreensList(/*number_of_screens=*/1u));
base::RunLoop run_loop;
blink::mojom::StreamDevicesSetPtr actual_stream_devices_set;
blink::mojom::MediaStreamRequestResult actual_result;
enumerator_->EnumerateScreens(
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE_SET,
base::BindLambdaForTesting(
[&run_loop, &actual_stream_devices_set, &actual_result](
const blink::mojom::StreamDevicesSet& stream_devices_set,
blink::mojom::MediaStreamRequestResult result) {
actual_stream_devices_set = stream_devices_set.Clone();
actual_result = result;
run_loop.Quit();
}));
run_loop.Run();
EXPECT_EQ(1u, actual_stream_devices_set->stream_devices.size());
EXPECT_EQ(blink::mojom::MediaStreamRequestResult::OK, actual_result);
}
TEST_F(ChromeScreenEnumeratorTest, MultipleScreens) {
ChromeScreenEnumerator::SetRootWindowsForTesting(
GenerateScreensList(/*number_of_screens=*/6u));
base::RunLoop run_loop;
blink::mojom::StreamDevicesSetPtr actual_stream_devices_set;
blink::mojom::MediaStreamRequestResult actual_result;
enumerator_->EnumerateScreens(
blink::mojom::MediaStreamType::DISPLAY_VIDEO_CAPTURE_SET,
base::BindLambdaForTesting(
[&run_loop, &actual_stream_devices_set, &actual_result](
const blink::mojom::StreamDevicesSet& stream_devices_set,
blink::mojom::MediaStreamRequestResult result) {
actual_stream_devices_set = stream_devices_set.Clone();
actual_result = result;
run_loop.Quit();
}));
run_loop.Run();
EXPECT_EQ(6u, actual_stream_devices_set->stream_devices.size());
EXPECT_EQ(blink::mojom::MediaStreamRequestResult::OK, actual_result);
}
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