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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 or 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "src/server/scene/basic_clipboard.h"
#include "mir/test/fake_shared.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using namespace testing;
namespace ms = mir::scene;
namespace mt = mir::test;
struct MockClipboardSource : ms::DataExchangeSource
{
auto mime_types() const -> std::vector<std::string> const& override
{
return types;
}
void initiate_send(std::string const&, mir::Fd const&) override
{
}
void cancelled() override {}
void dnd_drop_performed() override {}
auto actions() -> uint32_t override { return 0; }
void offer_accepted(const std::optional<std::string>&) override {}
uint32_t offer_set_actions(uint32_t, uint32_t) override { return 0; }
void dnd_finished() override {}
std::vector<std::string> types;
};
struct MockClipboardObserver : ms::ClipboardObserver
{
MOCK_METHOD(void, paste_source_set, (std::shared_ptr<ms::DataExchangeSource> const&));
void drag_n_drop_source_set(const std::shared_ptr<ms::DataExchangeSource>&) override {}
void drag_n_drop_source_cleared(const std::shared_ptr<ms::DataExchangeSource>&) override {}
void end_of_dnd_gesture() override {}
};
struct BasicClipboardTest : Test
{
ms::BasicClipboard clipboard;
StrictMock<MockClipboardObserver> observer;
std::shared_ptr<MockClipboardObserver> observer_ptr = mt::fake_shared(observer);
MockClipboardSource mock_source_a;
std::shared_ptr<MockClipboardSource> source_a = mt::fake_shared(mock_source_a);
MockClipboardSource mock_source_b;
std::shared_ptr<MockClipboardSource> source_b = mt::fake_shared(mock_source_b);
};
TEST_F(BasicClipboardTest, paste_source_correct_can_be_set)
{
clipboard.set_paste_source(source_a);
EXPECT_THAT(clipboard.paste_source(), Eq(source_a));
}
TEST_F(BasicClipboardTest, paste_source_can_be_changed)
{
clipboard.set_paste_source(source_a);
clipboard.set_paste_source(source_b);
EXPECT_THAT(clipboard.paste_source(), Eq(source_b));
}
TEST_F(BasicClipboardTest, paste_source_can_be_cleared)
{
clipboard.set_paste_source(source_a);
clipboard.clear_paste_source();
EXPECT_THAT(clipboard.paste_source(), Eq(nullptr));
}
TEST_F(BasicClipboardTest, paste_source_can_be_cleared_with_value)
{
clipboard.set_paste_source(source_a);
clipboard.clear_paste_source(*source_a);
EXPECT_THAT(clipboard.paste_source(), Eq(nullptr));
}
TEST_F(BasicClipboardTest, clearing_old_paste_source_does_nothing)
{
clipboard.set_paste_source(source_a);
clipboard.set_paste_source(source_b);
clipboard.clear_paste_source(*source_a);
EXPECT_THAT(clipboard.paste_source(), Eq(source_b));
}
TEST_F(BasicClipboardTest, observer_notified_of_paste_source_set)
{
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(Eq(source_a)));
clipboard.set_paste_source(source_a);
}
TEST_F(BasicClipboardTest, observer_notified_of_paste_source_change)
{
clipboard.set_paste_source(source_a);
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(Eq(source_b)));
clipboard.set_paste_source(source_b);
}
TEST_F(BasicClipboardTest, observer_notified_of_paste_source_cleared)
{
clipboard.set_paste_source(source_a);
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(Eq(nullptr)));
clipboard.clear_paste_source();
}
TEST_F(BasicClipboardTest, observer_notified_of_paste_source_cleared_with_value)
{
clipboard.set_paste_source(source_a);
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(Eq(nullptr)));
clipboard.clear_paste_source(*source_a);
}
TEST_F(BasicClipboardTest, observer_not_notified_when_old_paste_source_cleared)
{
clipboard.set_paste_source(source_a);
clipboard.set_paste_source(source_b);
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(_)).Times(0);
// a is not longer the current paste source, so nothing should happen
clipboard.clear_paste_source(*source_a);
}
TEST_F(BasicClipboardTest, can_set_paste_source_from_paste_source_observer_callback)
{
clipboard.register_interest(observer_ptr);
EXPECT_CALL(observer, paste_source_set(_))
.WillOnce([&](auto)
{
clipboard.set_paste_source(source_b);
})
.WillOnce([&](auto source)
{
EXPECT_THAT(source, Eq(source_b));
});
clipboard.set_paste_source(source_a);
}
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