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[Windows] Reduce warnings produced by unit tests #47724

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Nov 7, 2023
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[Windows] Reduce warnings produced by unit tests #47724

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0769d11
[Windows] Reduce warnings produced by unit tests
loic-sharma Nov 6, 2023
c974af2
Accept >=1 calls for implementation detail mocks
loic-sharma Nov 7, 2023
8713d11
More ON_CALL -> EXPECT_CALL
loic-sharma Nov 7, 2023
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2 changes: 1 addition & 1 deletion shell/platform/windows/angle_surface_manager.h
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ class AngleSurfaceManager {

// Binds |egl_context_| to the current rendering thread and to the draw and
// read surfaces returning a boolean result reflecting success.
bool MakeCurrent();
virtual bool MakeCurrent();

// Unbinds the current EGL context from the current thread.
bool ClearCurrent();
Expand Down
60 changes: 33 additions & 27 deletions shell/platform/windows/flutter_window_unittests.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
#include "gtest/gtest.h"

using testing::_;
using testing::AnyNumber;
using testing::Invoke;
using testing::Return;

Expand Down Expand Up @@ -133,8 +134,7 @@ TEST(FlutterWindowTest, OnBitmapSurfaceUpdated) {
// when the DPI scale is 100% (96 DPI).
TEST(FlutterWindowTest, OnCursorRectUpdatedRegularDPI) {
MockFlutterWindow win32window;
ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.0));
EXPECT_CALL(win32window, GetDpiScale()).Times(1);
EXPECT_CALL(win32window, GetDpiScale()).WillOnce(Return(1.0));

Rect cursor_rect(Point(10, 20), Size(30, 40));
EXPECT_CALL(win32window, UpdateCursorRect(cursor_rect)).Times(1);
Expand All @@ -147,8 +147,7 @@ TEST(FlutterWindowTest, OnCursorRectUpdatedRegularDPI) {
// when the DPI scale is 150% (144 DPI).
TEST(FlutterWindowTest, OnCursorRectUpdatedHighDPI) {
MockFlutterWindow win32window;
ON_CALL(win32window, GetDpiScale()).WillByDefault(Return(1.5));
EXPECT_CALL(win32window, GetDpiScale()).Times(1);
EXPECT_CALL(win32window, GetDpiScale()).WillOnce(Return(1.5));

Rect expected_cursor_rect(Point(15, 30), Size(45, 60));
EXPECT_CALL(win32window, UpdateCursorRect(expected_cursor_rect)).Times(1);
Expand All @@ -160,7 +159,9 @@ TEST(FlutterWindowTest, OnCursorRectUpdatedHighDPI) {
TEST(FlutterWindowTest, OnPointerStarSendsDeviceType) {
FlutterWindow win32window(100, 100);
MockWindowBindingHandlerDelegate delegate;
EXPECT_CALL(delegate, OnWindowStateEvent).Times(AnyNumber());
win32window.SetView(&delegate);

// Move
EXPECT_CALL(delegate,
OnPointerMove(10.0, 10.0, kFlutterPointerDeviceKindMouse,
Expand Down Expand Up @@ -259,6 +260,7 @@ TEST(FlutterWindowTest, OnPointerStarSendsDeviceType) {
TEST(FlutterWindowTest, OnScrollCallsGetScrollOffsetMultiplier) {
MockFlutterWindow win32window;
MockWindowBindingHandlerDelegate delegate;
EXPECT_CALL(win32window, OnWindowStateEvent).Times(AnyNumber());
win32window.SetView(&delegate);

ON_CALL(win32window, GetScrollOffsetMultiplier())
Expand All @@ -277,6 +279,7 @@ TEST(FlutterWindowTest, OnScrollCallsGetScrollOffsetMultiplier) {
TEST(FlutterWindowTest, OnWindowRepaint) {
MockFlutterWindow win32window;
MockWindowBindingHandlerDelegate delegate;
EXPECT_CALL(win32window, OnWindowStateEvent).Times(AnyNumber());
win32window.SetView(&delegate);

EXPECT_CALL(delegate, OnWindowRepaint()).Times(1);
Expand All @@ -287,6 +290,7 @@ TEST(FlutterWindowTest, OnWindowRepaint) {
TEST(FlutterWindowTest, OnThemeChange) {
MockFlutterWindow win32window;
MockWindowBindingHandlerDelegate delegate;
EXPECT_CALL(win32window, OnWindowStateEvent).Times(AnyNumber());
win32window.SetView(&delegate);

EXPECT_CALL(delegate, OnHighContrastChanged).Times(1);
Expand All @@ -308,9 +312,9 @@ TEST(FlutterWindowTest, AccessibilityNodeWithoutView) {
TEST(FlutterWindowTest, AlertNode) {
std::unique_ptr<MockFlutterWindow> win32window =
std::make_unique<MockFlutterWindow>();
ON_CALL(*win32window, GetPlatformWindow()).WillByDefault(Return(nullptr));
ON_CALL(*win32window, GetAxFragmentRootDelegate())
.WillByDefault(Return(nullptr));
EXPECT_CALL(*win32window.get(), GetAxFragmentRootDelegate())
.WillOnce(Return(nullptr));
EXPECT_CALL(*win32window.get(), OnWindowStateEvent).Times(AnyNumber());
MockFlutterWindowsView view(std::move(win32window));
std::wstring message = L"Test alert";
EXPECT_CALL(view, NotifyWinEventWrapper(_, ax::mojom::Event::kAlert))
Expand All @@ -337,21 +341,22 @@ TEST(FlutterWindowTest, AlertNode) {

TEST(FlutterWindowTest, LifecycleFocusMessages) {
MockFlutterWindow win32window;
ON_CALL(win32window, GetPlatformWindow).WillByDefault([]() {
return reinterpret_cast<HWND>(1);
});
EXPECT_CALL(win32window, GetPlatformWindow)
.WillRepeatedly(Return(reinterpret_cast<HWND>(1)));
MockWindowBindingHandlerDelegate delegate;
win32window.SetView(&delegate);

WindowStateEvent last_event;
ON_CALL(delegate, OnWindowStateEvent)
.WillByDefault([&last_event](HWND hwnd, WindowStateEvent event) {
EXPECT_CALL(delegate, OnWindowStateEvent)
.WillRepeatedly([&last_event](HWND hwnd, WindowStateEvent event) {
last_event = event;
});
ON_CALL(win32window, OnWindowStateEvent)
.WillByDefault([&](WindowStateEvent event) {
EXPECT_CALL(win32window, OnWindowStateEvent)
.WillRepeatedly([&](WindowStateEvent event) {
win32window.FlutterWindow::OnWindowStateEvent(event);
});
EXPECT_CALL(win32window, OnResize).Times(AnyNumber());

win32window.SetView(&delegate);
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@loic-sharma loic-sharma Nov 6, 2023

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This was moved down as it also calls OnWindowStateEvent.


win32window.InjectWindowMessage(WM_SIZE, 0, 0);
EXPECT_EQ(last_event, WindowStateEvent::kHide);
Expand All @@ -368,13 +373,13 @@ TEST(FlutterWindowTest, LifecycleFocusMessages) {

TEST(FlutterWindowTest, CachedLifecycleMessage) {
MockFlutterWindow win32window;
ON_CALL(win32window, GetPlatformWindow).WillByDefault([]() {
return reinterpret_cast<HWND>(1);
});
ON_CALL(win32window, OnWindowStateEvent)
.WillByDefault([&](WindowStateEvent event) {
EXPECT_CALL(win32window, GetPlatformWindow)
.WillRepeatedly(Return(reinterpret_cast<HWND>(1)));
EXPECT_CALL(win32window, OnWindowStateEvent)
.WillRepeatedly([&](WindowStateEvent event) {
win32window.FlutterWindow::OnWindowStateEvent(event);
});
EXPECT_CALL(win32window, OnResize).Times(1);

// Restore
win32window.InjectWindowMessage(WM_SIZE, 0, MAKEWORD(1, 1));
Expand All @@ -385,8 +390,8 @@ TEST(FlutterWindowTest, CachedLifecycleMessage) {
MockWindowBindingHandlerDelegate delegate;
bool focused = false;
bool restored = false;
ON_CALL(delegate, OnWindowStateEvent)
.WillByDefault([&](HWND hwnd, WindowStateEvent event) {
EXPECT_CALL(delegate, OnWindowStateEvent)
.WillRepeatedly([&](HWND hwnd, WindowStateEvent event) {
if (event == WindowStateEvent::kFocus) {
focused = true;
} else if (event == WindowStateEvent::kShow) {
Expand All @@ -403,18 +408,19 @@ TEST(FlutterWindowTest, PosthumousWindowMessage) {
MockWindowBindingHandlerDelegate delegate;
int msg_count = 0;
HWND hwnd;
ON_CALL(delegate, OnWindowStateEvent)
.WillByDefault([&](HWND hwnd, WindowStateEvent event) { msg_count++; });
EXPECT_CALL(delegate, OnWindowStateEvent)
.WillRepeatedly([&](HWND hwnd, WindowStateEvent event) { msg_count++; });

{
MockFlutterWindow win32window(false);
ON_CALL(win32window, GetPlatformWindow).WillByDefault([&]() {
EXPECT_CALL(win32window, GetPlatformWindow).WillRepeatedly([&]() {
return win32window.FlutterWindow::GetPlatformWindow();
});
ON_CALL(win32window, OnWindowStateEvent)
.WillByDefault([&](WindowStateEvent event) {
EXPECT_CALL(win32window, OnWindowStateEvent)
.WillRepeatedly([&](WindowStateEvent event) {
win32window.FlutterWindow::OnWindowStateEvent(event);
});
EXPECT_CALL(win32window, OnResize).Times(AnyNumber());
win32window.SetView(&delegate);
win32window.InitializeChild("Title", 1, 1);
hwnd = win32window.GetPlatformWindow();
Expand Down
73 changes: 35 additions & 38 deletions shell/platform/windows/flutter_windows_engine_unittests.cc
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Expand Up @@ -640,9 +640,8 @@ TEST_F(FlutterWindowsEngineTest, AlertPlatformMessage) {
std::make_unique<::testing::NiceMock<MockWindowBindingHandler>>();
ui::AXPlatformNodeDelegateBase parent_delegate;
AlertPlatformNodeDelegate delegate(parent_delegate);
ON_CALL(*window_binding_handler, GetAlertDelegate).WillByDefault([&delegate] {
return &delegate;
});
EXPECT_CALL(*window_binding_handler, GetAlertDelegate)
.WillOnce(Return(&delegate));
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@cbracken cbracken Nov 7, 2023

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Similar question here and a couple other places below.

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@loic-sharma loic-sharma Nov 7, 2023

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Fixed!

MockFlutterWindowsView view(std::move(window_binding_handler));
view.SetEngine(engine.get());

Expand All @@ -660,9 +659,9 @@ TEST_F(FlutterWindowsEngineTest, AlertPlatformMessage) {
});

bool did_call = false;
ON_CALL(view, NotifyWinEventWrapper)
.WillByDefault([&did_call](ui::AXPlatformNodeWin* node,
ax::mojom::Event event) { did_call = true; });
EXPECT_CALL(view, NotifyWinEventWrapper)
.WillOnce([&did_call](ui::AXPlatformNodeWin* node,
ax::mojom::Event event) { did_call = true; });

engine->UpdateSemanticsEnabled(true);
engine->Run();
Expand Down Expand Up @@ -712,13 +711,13 @@ TEST_F(FlutterWindowsEngineTest, TestExit) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
ON_CALL(*handler, Quit)
.WillByDefault(
[&finished](std::optional<HWND> hwnd, std::optional<WPARAM> wparam,
std::optional<LPARAM> lparam,
UINT exit_code) { finished = exit_code == 0; });
ON_CALL(*handler, IsLastWindowOfProcess).WillByDefault([]() { return true; });
EXPECT_CALL(*handler, Quit).Times(1);
EXPECT_CALL(*handler, SetLifecycleState(AppLifecycleState::kResumed));
EXPECT_CALL(*handler, Quit)
.WillOnce([&finished](std::optional<HWND> hwnd,
std::optional<WPARAM> wparam,
std::optional<LPARAM> lparam,
UINT exit_code) { finished = exit_code == 0; });
EXPECT_CALL(*handler, IsLastWindowOfProcess).WillOnce(Return(true));
modifier.SetLifecycleManager(std::move(handler));

engine->lifecycle_manager()->BeginProcessingExit();
Expand All @@ -738,7 +737,6 @@ TEST_F(FlutterWindowsEngineTest, TestExit) {
TEST_F(FlutterWindowsEngineTest, TestExitCancel) {
FlutterWindowsEngineBuilder builder{GetContext()};
builder.SetDartEntrypoint("exitTestCancel");
bool finished = false;
bool did_call = false;

auto engine = builder.Build();
Expand All @@ -750,12 +748,8 @@ TEST_F(FlutterWindowsEngineTest, TestExitCancel) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
ON_CALL(*handler, Quit)
.WillByDefault([&finished](std::optional<HWND> hwnd,
std::optional<WPARAM> wparam,
std::optional<LPARAM> lparam,
UINT exit_code) { finished = true; });
ON_CALL(*handler, IsLastWindowOfProcess).WillByDefault([]() { return true; });
EXPECT_CALL(*handler, SetLifecycleState(AppLifecycleState::kResumed));
EXPECT_CALL(*handler, IsLastWindowOfProcess).WillOnce(Return(true));
EXPECT_CALL(*handler, Quit).Times(0);
modifier.SetLifecycleManager(std::move(handler));
engine->lifecycle_manager()->BeginProcessingExit();
Expand Down Expand Up @@ -783,10 +777,11 @@ TEST_F(FlutterWindowsEngineTest, TestExitCancel) {
while (!did_call) {
engine->task_runner()->ProcessTasks();
}

EXPECT_FALSE(finished);
}

// TODO(loicsharma): This test is passing incorrectly on the first
// WM_CLOSE message when instead it should pass on the second WM_CLOSE message.
// https://github.com/flutter/flutter/issues/137963
TEST_F(FlutterWindowsEngineTest, TestExitSecondCloseMessage) {
FlutterWindowsEngineBuilder builder{GetContext()};
builder.SetDartEntrypoint("exitTestExit");
Expand All @@ -801,18 +796,18 @@ TEST_F(FlutterWindowsEngineTest, TestExitSecondCloseMessage) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
auto& handler_obj = *handler;
ON_CALL(handler_obj, IsLastWindowOfProcess).WillByDefault([]() {
return true;
});
ON_CALL(handler_obj, Quit)
.WillByDefault(
[&handler_obj](std::optional<HWND> hwnd, std::optional<WPARAM> wparam,
EXPECT_CALL(*handler, SetLifecycleState(AppLifecycleState::kResumed));
// TODO(loicsharma): These should be `EXPECT_CALL`s
// https://github.com/flutter/flutter/issues/137963
ON_CALL(*handler, IsLastWindowOfProcess).WillByDefault(Return(true));
ON_CALL(*handler, Quit)
.WillByDefault([handler_ptr = handler.get()](
std::optional<HWND> hwnd, std::optional<WPARAM> wparam,
std::optional<LPARAM> lparam, UINT exit_code) {
handler_obj.WindowsLifecycleManager::Quit(hwnd, wparam, lparam,
exit_code);
});
ON_CALL(handler_obj, DispatchMessage)
handler_ptr->WindowsLifecycleManager::Quit(hwnd, wparam, lparam,
exit_code);
});
ON_CALL(*handler, DispatchMessage)
.WillByDefault(
[&engine](HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
engine->window_proc_delegate_manager()->OnTopLevelWindowProc(
Expand Down Expand Up @@ -863,7 +858,8 @@ TEST_F(FlutterWindowsEngineTest, TestExitCloseMultiWindow) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
ON_CALL(*handler, IsLastWindowOfProcess).WillByDefault([&finished]() {
EXPECT_CALL(*handler, SetLifecycleState(AppLifecycleState::kResumed));
EXPECT_CALL(*handler, IsLastWindowOfProcess).WillOnce([&finished]() {
finished = true;
return false;
});
Expand Down Expand Up @@ -1065,8 +1061,8 @@ TEST_F(FlutterWindowsEngineTest, EnableLifecycleState) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
ON_CALL(*handler, SetLifecycleState)
.WillByDefault([handler_ptr = handler.get()](AppLifecycleState state) {
EXPECT_CALL(*handler, SetLifecycleState)
.WillRepeatedly([handler_ptr = handler.get()](AppLifecycleState state) {
handler_ptr->WindowsLifecycleManager::SetLifecycleState(state);
});
modifier.SetLifecycleManager(std::move(handler));
Expand Down Expand Up @@ -1118,8 +1114,8 @@ TEST_F(FlutterWindowsEngineTest, LifecycleStateToFrom) {
EngineModifier modifier(engine.get());
modifier.embedder_api().RunsAOTCompiledDartCode = []() { return false; };
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
ON_CALL(*handler, SetLifecycleState)
.WillByDefault([handler_ptr = handler.get()](AppLifecycleState state) {
EXPECT_CALL(*handler, SetLifecycleState)
.WillRepeatedly([handler_ptr = handler.get()](AppLifecycleState state) {
handler_ptr->WindowsLifecycleManager::SetLifecycleState(state);
});
handler->begin_processing_callback = [&]() { enabled_lifecycle = true; };
Expand Down Expand Up @@ -1167,6 +1163,7 @@ TEST_F(FlutterWindowsEngineTest, ChannelListenedTo) {

bool lifecycle_began = false;
auto handler = std::make_unique<MockWindowsLifecycleManager>(engine.get());
EXPECT_CALL(*handler, SetLifecycleState).Times(1);
handler->begin_processing_callback = [&]() { lifecycle_began = true; };
modifier.SetLifecycleManager(std::move(handler));

Expand Down
3 changes: 3 additions & 0 deletions shell/platform/windows/flutter_windows_view_unittests.cc
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Expand Up @@ -131,6 +131,7 @@ class MockAngleSurfaceManager : public AngleSurfaceManager {
(override));
MOCK_METHOD(void, DestroySurface, (), (override));

MOCK_METHOD(bool, MakeCurrent, (), (override));
MOCK_METHOD(void, SetVSyncEnabled, (bool), (override));

private:
Expand Down Expand Up @@ -1302,7 +1303,9 @@ TEST(FlutterWindowsViewTest, UpdatesVSyncOnDwmUpdates) {
FlutterWindowsView view(std::move(window_binding_handler));

InSequence s;
EXPECT_CALL(*surface_manager.get(), MakeCurrent).WillOnce(Return(true));
EXPECT_CALL(*surface_manager.get(), SetVSyncEnabled(true)).Times(1);
EXPECT_CALL(*surface_manager.get(), MakeCurrent).WillOnce(Return(true));
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@loic-sharma loic-sharma Nov 6, 2023

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This was making a GL context current, thereby causing other tests to complain that a GL context was unexpectedly current.

EXPECT_CALL(*surface_manager.get(), SetVSyncEnabled(false)).Times(1);

EXPECT_CALL(*engine.get(), Stop).Times(1);
Expand Down
4 changes: 2 additions & 2 deletions shell/platform/windows/system_utils_unittests.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,8 @@ TEST(SystemUtils, GetPreferredLanguageInfo) {

TEST(SystemUtils, GetPreferredLanguages) {
MockWindowsProcTable proc_table;
ON_CALL(proc_table, GetThreadPreferredUILanguages)
.WillByDefault(
EXPECT_CALL(proc_table, GetThreadPreferredUILanguages)
.WillRepeatedly(
[](DWORD flags, PULONG count, PZZWSTR languages, PULONG size) {
// Languages string ends in a double-null.
static const wchar_t lang[] = L"en-US\0";
Expand Down