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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 "chrome/browser/ash/guest_os/public/guest_os_wayland_server.h"
#include <memory>
#include "base/memory/weak_ptr.h"
#include "base/test/bind.h"
#include "base/test/test_future.h"
#include "chrome/browser/ash/borealis/borealis_features.h"
#include "chrome/browser/ash/borealis/borealis_service.h"
#include "chrome/browser/ash/borealis/borealis_service_factory.h"
#include "chrome/browser/ash/borealis/testing/callback_factory.h"
#include "chrome/browser/ash/guest_os/guest_os_security_delegate.h"
#include "chrome/test/base/chrome_ash_test_base.h"
#include "chrome/test/base/testing_profile.h"
#include "chromeos/ash/components/dbus/concierge/fake_concierge_client.h"
#include "chromeos/ash/components/dbus/vm_wl/wl.pb.h"
#include "components/exo/data_exchange_delegate.h"
#include "components/exo/input_method_surface_manager.h"
#include "components/exo/notification_surface_manager.h"
#include "components/exo/server/wayland_server_controller.h"
#include "components/exo/toast_surface_manager.h"
#include "components/exo/wayland/test/wayland_server_test_base.h"
#include "testing/gtest/include/gtest/gtest.h"
using borealis::NiceCallbackFactory;
using testing::_;
using testing::Invoke;
using testing::IsFalse;
namespace guest_os {
namespace {
class GuestOsWaylandServerTest : public ChromeAshTestBase {
public:
void SetUp() override {
ASSERT_TRUE(root_dir.CreateUniqueTempDir());
setenv("XDG_RUNTIME_DIR",
root_dir.GetPath().Append("xdg").MaybeAsASCII().c_str(),
/*overwrite=*/1);
ChromeAshTestBase::SetUp();
}
protected:
TestingProfile profile_;
private:
base::ScopedTempDir root_dir;
};
} // namespace
TEST_F(GuestOsWaylandServerTest, BadSocketCausesFailure) {
auto wsc = std::make_unique<exo::WaylandServerController>(
nullptr, nullptr, nullptr, nullptr, nullptr);
GuestOsWaylandServer gows(&profile_);
base::test::TestFuture<std::optional<std::string>> result_future;
gows.Listen({}, vm_tools::apps::UNKNOWN, "test", result_future.GetCallback());
EXPECT_TRUE(result_future.Get().has_value());
}
TEST_F(GuestOsWaylandServerTest, NullDelegateCausesFailure) {
auto wsc = std::make_unique<exo::WaylandServerController>(
nullptr, nullptr, nullptr, nullptr, nullptr);
GuestOsWaylandServer gows(&profile_);
exo::wayland::test::WaylandServerTestBase::ScopedTempSocket socket;
// This test relies on the borealis security delegate giving us nullptr
// when borealis is disallowed.
base::test::TestFuture<borealis::BorealisFeatures::AllowStatus>
allowedness_future;
borealis::BorealisServiceFactory::GetForProfile(&profile_)
->Features()
.IsAllowed(allowedness_future.GetCallback());
ASSERT_NE(allowedness_future.Get(),
borealis::BorealisFeatures::AllowStatus::kAllowed);
base::test::TestFuture<std::optional<std::string>> result_future;
gows.Listen(socket.TakeFd(), vm_tools::apps::BOREALIS, "borealis",
result_future.GetCallback());
EXPECT_TRUE(result_future.Get().has_value());
}
TEST_F(GuestOsWaylandServerTest, DelegateLifetimeManagedCorrectly) {
auto wsc = std::make_unique<exo::WaylandServerController>(
nullptr, nullptr, nullptr, nullptr, nullptr);
GuestOsWaylandServer gows(&profile_);
exo::wayland::test::WaylandServerTestBase::ScopedTempSocket socket;
// Initially the server doesn't exist.
EXPECT_EQ(gows.GetDelegate(vm_tools::apps::UNKNOWN, "test"), nullptr);
base::test::TestFuture<std::optional<std::string>> listen_future;
gows.Listen(socket.TakeFd(), vm_tools::apps::UNKNOWN, "test",
listen_future.GetCallback());
EXPECT_FALSE(listen_future.Get().has_value());
// Now the server is valid.
base::WeakPtr<GuestOsSecurityDelegate> delegate =
gows.GetDelegate(vm_tools::apps::UNKNOWN, "test");
EXPECT_TRUE(delegate.MaybeValid());
EXPECT_NE(delegate.get(), nullptr);
base::test::TestFuture<std::optional<std::string>> close_future;
gows.Close(vm_tools::apps::UNKNOWN, "test", close_future.GetCallback());
EXPECT_FALSE(close_future.Get().has_value());
EXPECT_EQ(gows.GetDelegate(vm_tools::apps::UNKNOWN, "test"), nullptr);
EXPECT_TRUE(delegate.WasInvalidated());
}
TEST_F(GuestOsWaylandServerTest, EvictServersOnConciergeCrash) {
ash::ConciergeClient::InitializeFake();
auto* concierge_client = ash::FakeConciergeClient::Get();
auto wsc = std::make_unique<exo::WaylandServerController>(
nullptr, nullptr, nullptr, nullptr, nullptr);
GuestOsWaylandServer gows(&profile_);
exo::wayland::test::WaylandServerTestBase::ScopedTempSocket socket;
base::test::TestFuture<std::optional<std::string>> listen_future;
gows.Listen(socket.TakeFd(), vm_tools::apps::UNKNOWN, "test",
listen_future.GetCallback());
ASSERT_FALSE(listen_future.Get().has_value());
EXPECT_NE(gows.GetDelegate(vm_tools::apps::UNKNOWN, "test"), nullptr);
concierge_client->NotifyConciergeStopped();
EXPECT_EQ(gows.GetDelegate(vm_tools::apps::UNKNOWN, "test"), nullptr);
}
} // namespace guest_os
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