suyu_two/app/tests/main_window_tests.cpp

#include "domain/active_register_repository.h"
#include "domain/project_storage.h"
#include "domain/register_repository.h"
#include "services/hmi_editor_service.h"
#include "services/hmi_runtime_service.h"
#include "services/logic_editor_service.h"
#include "services/offline_simulation_service.h"
#include "services/project_service.h"
#include "services/runtime_mode_service.h"
#include "services/register_monitor_service.h"
#include "ui/hmi_editor_widget.h"
#include "ui/free_monitor_widget.h"
#include "ui/logic_editor_widget.h"
#include "ui/main_window.h"
#include "ui/plc_connection_dialog.h"

#include <QAction>
#include <QApplication>
#include <QComboBox>
#include <QDialog>
#include <QDockWidget>
#include <QGraphicsItem>
#include <QGraphicsScene>
#include <QImage>
#include <QLabel>
#include <QLineEdit>
#include <QListWidget>
#include <QPainter>
#include <QSpinBox>
#include <QPushButton>
#include <QTableWidget>
#include <QTimer>
#include <QTest>

#include <iostream>
#include <stdexcept>
#include <string>

namespace {

class TestProjectStorage final : public ProjectStorage
{
public:
    // 主窗口测试使用无副作用存储实现，隔离文件对 UI 行为的影响
    ProjectSaveResult save(const Project &, const std::string &) override
    {
        return {true, ProjectStorageError::None, {}};
    }

    ProjectLoadResult load(const std::string &) override
    {
        return {false, {}, ProjectStorageError::FileReadFailed, {}};
    }
};

class RepeatedStatusGateway final : public PlcCommunicationGateway
{
public:
    PlcCommunicationResult connectDevice(
        const PlcSerialConfiguration &) override
    {
        connection_state = PlcConnectionState::Connecting;
        notifyStateChanged();
        connection_state = PlcConnectionState::Connected;
        notifyStateChanged();
        notifyStateChanged();
        return {true, {}};
    }

    void disconnectDevice() override
    {
        connection_state = PlcConnectionState::Disconnected;
        notifyStateChanged();
    }

    void setPollAddresses(const std::vector<RegisterAddress> &) override {}
    PlcConnectionState state() const override { return connection_state; }
    bool initialReadCompleted() const override { return false; }
    PlcCommunicationError lastErrorType() const override
    {
        return PlcCommunicationError::None;
    }
    const std::string &lastError() const override { return last_error; }

    void setCallbacks(
        std::function<void()> state_callback,
        std::function<void(bool)> initial_callback,
        std::function<void()> cache_callback,
        std::function<void(const std::string &)> error_callback) override
    {
        state_changed = std::move(state_callback);
        initial_read_changed = std::move(initial_callback);
        cache_updated = std::move(cache_callback);
        error_reported = std::move(error_callback);
    }

private:
    void notifyStateChanged()
    {
        if (state_changed)
        {
            state_changed();
        }
    }

    PlcConnectionState connection_state = PlcConnectionState::Disconnected;
    std::string last_error;
    std::function<void()> state_changed;
    std::function<void(bool)> initial_read_changed;
    std::function<void()> cache_updated;
    std::function<void(const std::string &)> error_reported;
};

class OnlineReadyGateway final : public PlcCommunicationGateway
{
public:
    PlcCommunicationResult connectDevice(const PlcSerialConfiguration &) override
    {
        connection_state = PlcConnectionState::Connected;
        if (state_changed)
        {
            state_changed();
        }
        return {true, {}};
    }

    void disconnectDevice() override
    {
        connection_state = PlcConnectionState::Disconnected;
        initial_read = false;
        if (initial_read_changed)
        {
            initial_read_changed(false);
        }
        if (state_changed)
        {
            state_changed();
        }
    }

    void setPollAddresses(const std::vector<RegisterAddress> &addresses) override
    {
        poll_addresses = addresses;
    }

    PlcConnectionState state() const override { return connection_state; }
    bool initialReadCompleted() const override { return initial_read; }
    PlcCommunicationError lastErrorType() const override { return last_error_type; }
    const std::string &lastError() const override { return last_error; }

    void setCallbacks(
        std::function<void()> state_callback,
        std::function<void(bool)> initial_callback,
        std::function<void()> cache_callback,
        std::function<void(const std::string &)> error_callback) override
    {
        state_changed = std::move(state_callback);
        initial_read_changed = std::move(initial_callback);
        cache_updated = std::move(cache_callback);
        error_reported = std::move(error_callback);
    }

    void completeInitialRead()
    {
        initial_read = true;
        if (initial_read_changed)
        {
            initial_read_changed(true);
        }
    }

    void loseSerialConnection(const std::string &message)
    {
        initial_read = false;
        last_error_type = PlcCommunicationError::SerialConnectionLost;
        last_error = message;
        connection_state = PlcConnectionState::Disconnected;
        if (initial_read_changed)
        {
            initial_read_changed(false);
        }
        if (state_changed)
        {
            state_changed();
        }
        if (error_reported)
        {
            error_reported(last_error);
        }
    }

    PlcConnectionState connection_state = PlcConnectionState::Disconnected;
    bool initial_read = false;
    PlcCommunicationError last_error_type = PlcCommunicationError::None;
    std::string last_error;
    std::vector<RegisterAddress> poll_addresses;
    std::function<void()> state_changed;
    std::function<void(bool)> initial_read_changed;
    std::function<void()> cache_updated;
    std::function<void(const std::string &)> error_reported;
};

void require(bool condition, const std::string &message)
{
    if (!condition)
    {
        throw std::runtime_error(message);
    }
}

template<typename ObjectType>
ObjectType *requiredChild(MainWindow &window, const char *name)
{
    // 通过 objectName 取得 Designer 组件，缺失时给出明确测试失败信息
    ObjectType *child = window.findChild<ObjectType *>(QString::fromLatin1(name));
    require(child != nullptr, std::string("missing UI object ") + name);
    return child;
}

QColor renderedColorAt(HmiEditorWidget &view, const QPoint &viewport_position)
{
    QImage image(view.viewport()->size(), QImage::Format_ARGB32_Premultiplied);
    image.fill(Qt::transparent);
    QPainter painter(&image);
    view.viewport()->render(&painter);
    return image.pixelColor(viewport_position);
}

void testRuntimeButtonMouseInteraction()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    const HmiEditorResult page_result = editor_service.ensureDefaultPage();
    require(page_result.succeeded, "runtime button test must create an HMI page");
    const HmiEditorResult button_result = editor_service.addControl(
        page_result.id, HmiControlType::Button);
    require(button_result.succeeded, "runtime button test must create a button");

    HmiControl button = *editor_service.findControl(page_result.id, button_result.id);
    button.binding = RegisterAddress{RegisterArea::M, 0};
    button.buttonOperation = HmiButtonOperation::MomentaryOn;
    require(editor_service.updateControl(page_result.id, button.id, button).succeeded,
            "runtime button test must bind the button to M0");

    HmiEditorWidget view(editor_service, runtime_service);
    view.resize(900, 600);
    view.setPageId(page_result.id);
    view.setEditingEnabled(false);
    view.setRuntimeActive(true);
    view.setRuntimeWriteEnabled(true);
    view.show();
    QApplication::processEvents();

    const QPoint center = view.mapFromScene(QPointF(
        button.bounds.x + button.bounds.width / 2.0,
        button.bounds.y + button.bounds.height / 2.0));
    const QPoint color_sample = view.mapFromScene(QPointF(
        button.bounds.x + 8.0, button.bounds.y + 8.0));
    const QColor normal_color = renderedColorAt(view, color_sample);

    QTest::mouseMove(view.viewport(), center);
    QApplication::processEvents();
    QGraphicsItem *button_item = view.itemAt(center);
    require(button_item != nullptr,
            "runtime button must be hit-testable while writes are enabled");
    require(button_item->cursor().shape() == Qt::PointingHandCursor,
            "runtime button must use a pointing-hand cursor");
    const QColor hovered_color = renderedColorAt(view, color_sample);
    require(hovered_color != normal_color,
            "hovering a runtime button must change its visual state");

    QTest::mousePress(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    QApplication::processEvents();
    require(repository.readBit({RegisterArea::M, 0}).value,
            "pressing a momentary runtime button must write M0 ON");
    require(view.scene()->selectedItems().isEmpty(),
            "pressing a runtime button must not show an editing selection");
    const QColor pressed_color = renderedColorAt(view, color_sample);
    require(pressed_color != hovered_color,
            "pressing a runtime button must change its visual state");

    QTest::mouseRelease(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    QApplication::processEvents();
    require(!repository.readBit({RegisterArea::M, 0}).value,
            "releasing a momentary runtime button must write M0 OFF");
    require(renderedColorAt(view, color_sample) == hovered_color,
            "releasing a runtime button must restore its hovered visual state");

    view.setRuntimeWriteEnabled(false);
    QApplication::processEvents();
    const QColor disabled_color = renderedColorAt(view, color_sample);
    require(disabled_color != hovered_color,
            "a non-writable runtime button must use its disabled visual state");
    QTest::mouseClick(view.viewport(), Qt::LeftButton, Qt::NoModifier, center);
    require(!repository.readBit({RegisterArea::M, 0}).value,
            "a disabled runtime button must not write its register");
}

void testModeActionsControlEditingAvailability()
{
    // 验证模式动作会同步禁用编辑入口，并在失败时恢复当前选择
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        monitor_service);
    window.resize(1000, 640);
    window.show();
    QApplication::processEvents();

    require(window.findChild<QWidget *>(QStringLiteral("dataPointDock")) == nullptr,
            "the removed data point dock must not remain in the main window");
    require(window.findChild<QWidget *>(QStringLiteral("hmiDataPointComboBox")) == nullptr
                && window.findChild<QWidget *>(QStringLiteral("logicDataPointComboBox")) == nullptr,
            "HMI and ladder properties must use direct M/D address inputs");

    QAction *editing_action = requiredChild<QAction>(window, "editingModeAction");
    QAction *offline_action = requiredChild<QAction>(window, "offlineModeAction");
    QAction *online_action = requiredChild<QAction>(window, "onlineModeAction");
    QAction *add_button_action = requiredChild<QAction>(window, "addButtonAction");
    QAction *add_indicator_action = requiredChild<QAction>(window, "addIndicatorAction");
    QAction *delete_control_action = requiredChild<QAction>(window, "deleteControlAction");
    QAction *add_normally_open_action = requiredChild<QAction>(
        window, "addNormallyOpenAction");
    QAction *add_normal_coil_action = requiredChild<QAction>(
        window, "addNormalCoilAction");
    QAction *parallel_insert_action = requiredChild<QAction>(
        window, "parallelInsertAction");
    QDockWidget *project_dock = requiredChild<QDockWidget>(window, "projectDock");
    QDockWidget *properties_dock = requiredChild<QDockWidget>(window, "propertiesDock");
    QLabel *selection = requiredChild<QLabel>(window, "selectionValueLabel");
    QLineEdit *text_edit = requiredChild<QLineEdit>(window, "controlTextEdit");
    QComboBox *button_operation = requiredChild<QComboBox>(
        window, "buttonOperationComboBox");
    QPushButton *apply_properties = requiredChild<QPushButton>(
        window, "applyPropertiesButton");
    HmiEditorWidget *hmi_editor = requiredChild<HmiEditorWidget>(
        window, "hmiEditorWidget");
    QLabel *executor_status = requiredChild<QLabel>(window, "executorStatusLabel");
    QWidget *runtime_tab = requiredChild<QWidget>(window, "runtimeMonitorTab");
    QWidget *runtime_hmi = requiredChild<QWidget>(window, "runtimeHmiView");
    QWidget *runtime_logic = requiredChild<QWidget>(window, "runtimeLogicView");
    QWidget *free_monitor = requiredChild<QWidget>(window, "freeMonitorWidget");
    require(!runtime_tab->isVisible(),
            "runtime monitor workspace must be hidden while editing");

    const qreal compact_scale = hmi_editor->transform().m11();
    window.resize(1600, 900);
    QApplication::processEvents();
    require(hmi_editor->transform().m11() > compact_scale,
            "HMI page must refit when the window becomes larger");

    require(editing_action->isChecked(), "editing action must be selected initially");
    require(project_dock->isEnabled(), "project dock must be enabled while editing");
    require(properties_dock->isEnabled(), "properties dock must be enabled while editing");

    add_button_action->trigger();
    const std::string page_id = editor_service.firstPageId();
    require(editor_service.findPage(page_id)->controls.size() == 1,
            "adding a control must update the HMI page model");
    require(selection->text() == QStringLiteral("button-1（未绑定）"),
            "an unbound added control must be marked in the property panel");
    require(text_edit->text() == QStringLiteral("按钮"),
            "property panel must show the control text");
    require(button_operation->currentText() == QStringLiteral("瞬时 ON"),
            "new HMI buttons must default to momentary ON");

    const QList<QGraphicsItem *> unbound_items = hmi_editor->scene()->selectedItems();
    require(unbound_items.size() == 1 && unbound_items.front()->boundingRect().top() == 0,
            "an unbound HMI control must not reserve an address label area");
    button_operation->setCurrentIndex(
        button_operation->findData(static_cast<int>(HmiButtonOperation::Toggle)));
    apply_properties->click();
    require(editor_service.findControl(page_id, "button-1")->buttonOperation
                == HmiButtonOperation::Toggle,
            "the property panel must update the HMI button operation");

    HmiControl bound_button = *editor_service.findControl(page_id, "button-1");
    bound_button.binding = RegisterAddress{RegisterArea::M, 0};
    require(editor_service.updateControl(page_id, bound_button.id, bound_button).succeeded,
            "binding an HMI button to M0 must succeed");
    hmi_editor->reloadPage();
    hmi_editor->selectControl(bound_button.id);
    const QList<QGraphicsItem *> bound_items = hmi_editor->scene()->selectedItems();
    require(bound_items.size() == 1 && bound_items.front()->boundingRect().top() < 0,
            "a bound HMI control must include its address label above the control body");

    delete_control_action->trigger();
    require(editor_service.findPage(page_id)->controls.empty(),
            "deleting a selected control must update the HMI page model");

    add_indicator_action->trigger();
    HmiControl runtime_indicator = *editor_service.findControl(page_id, "indicator-1");
    runtime_indicator.binding = RegisterAddress{RegisterArea::M, 3};
    require(editor_service.updateControl(
                page_id, runtime_indicator.id, runtime_indicator).succeeded,
            "a configured HMI control must be available for the runtime projection");
    hmi_editor->reloadPage();

    add_normally_open_action->trigger();
    parallel_insert_action->trigger();
    add_normal_coil_action->trigger();
    const ControlLogic *logic = logic_editor_service.findLogic(
        logic_editor_service.firstLogicId());
    require(logic != nullptr && logic->rungs.size() == 1,
            "logic actions must edit the default ladder rung");
    require(logic->rungs.front().condition.has_value()
                && logic->rungs.front().condition->kind
                    == ConditionExpressionKind::Parallel
                && logic->rungs.front().condition->children.size() == 2U,
            "parallel branch action must create a parallel expression");
    require(logic->rungs.front().output.has_value(),
            "coil action must set the fixed ladder output");
    offline_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "unconfigured ladder nodes must block offline running");
    const LadderRung &rung = logic->rungs.front();
    std::vector<const LogicNode *> condition_nodes;
    collectConditionNodes(*rung.condition, &condition_nodes);
    for (const LogicNode *node : condition_nodes)
    {
        require(logic_editor_service.updateNodeConfig(
                    logic_editor_service.firstLogicId(),
                    node->id,
                    ContactNodeConfig{
                        RegisterAddress{RegisterArea::M, 0},
                        ContactMode::NormallyOpen})
                    .succeeded,
                "applying a contact configuration must complete the ladder node");
    }
    require(logic_editor_service.updateNodeConfig(
                logic_editor_service.firstLogicId(),
                rung.output->id,
                CoilNodeConfig{
                    RegisterAddress{RegisterArea::M, 1},
                    CoilMode::Normal})
                .succeeded,
            "applying a coil configuration must complete the ladder node");
    offline_action->trigger();
    require(mode_service.mode() == ApplicationMode::OfflineRunning,
            "offline action must enter offline running");
    require(simulation_service.state() == SimulationState::Running,
            "offline action must start the actual simulation service");
    require(executor_status->text().contains(QStringLiteral("运行")),
            "executor status label must report the actual running state");
    require(!project_dock->isEnabled(),
            "project dock must be disabled while running");
    require(!properties_dock->isEnabled(),
            "properties dock must be disabled while running");
    require(!add_button_action->isEnabled(),
            "HMI add controls must be disabled while running");
    require(!add_normally_open_action->isEnabled(),
            "logic add nodes must be disabled while running");
    require(runtime_tab->isVisible() && runtime_hmi->isVisible()
                && runtime_logic->isVisible() && free_monitor->isVisible(),
            "offline running must show HMI, ladder trace and free monitor together");
    auto *runtime_hmi_view = qobject_cast<HmiEditorWidget *>(runtime_hmi);
    require(runtime_hmi_view != nullptr
                && runtime_hmi_view->scene()->items().size() == 2,
            "offline runtime HMI must project the configured page control");
    QLineEdit *monitor_address = requiredChild<QLineEdit>(window, "addressEdit");
    QPushButton *monitor_add = requiredChild<QPushButton>(window, "addButton");
    QTableWidget *monitor_table = requiredChild<QTableWidget>(window, "monitorTable");
    monitor_address->setText(QStringLiteral("M0"));
    monitor_add->click();
    repository.writeBit({RegisterArea::M, 0}, true);
    auto *monitor_widget = requiredChild<FreeMonitorWidget>(window, "freeMonitorWidget");
    monitor_widget->refreshValues(
        ApplicationMode::OfflineRunning, PlcConnectionState::Disconnected);
    require(monitor_table->rowCount() == 1
                && monitor_table->item(0, 2)->text() == QStringLiteral("ON"),
            "offline free monitor must read the same virtual M/D repository as HMI");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::OfflineRunning,
            "running modes must not switch directly through the UI");
    require(offline_action->isChecked(),
            "failed mode changes must restore the active action");

    editing_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "editing action must return to editing");
    require(simulation_service.state() == SimulationState::Stopped,
            "editing action must stop the simulation service");
    require(executor_status->text() == QStringLiteral("逻辑执行器：停止"),
            "executor status label must report the actual stopped state");
    require(project_dock->isEnabled(),
            "project dock must be restored after returning to editing");
    require(properties_dock->isEnabled(),
            "properties dock must be restored after returning to editing");
    require(add_button_action->isEnabled(),
            "HMI add controls must be restored after returning to editing");
    require(add_normally_open_action->isEnabled(),
            "logic add nodes must be restored after returning to editing");
    require(!runtime_tab->isVisible(),
            "returning to editing must hide the runtime monitor workspace");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "online action must require an initial PLC read");
    require(editing_action->isChecked(),
            "rejected online running must restore the editing action");
}

void testPlcConfigurationUsesDialog()
{
    PlcSerialConfiguration initial;
    initial.portName = "COM17";
    initial.serverAddress = 12;
    initial.baudRate = 38400;
    initial.dataBits = 7;
    initial.parity = 3;
    initial.stopBits = 2;
    initial.responseTimeoutMs = 2500;
    initial.retries = 4;
    initial.pollIntervalMs = 350;
    PlcConnectionDialog configuration_dialog(initial);
    const PlcSerialConfiguration actual = configuration_dialog.configuration();
    require(actual.portName == initial.portName,
            "PLC dialog must preserve a manually entered serial port");
    require(actual.serverAddress == initial.serverAddress
                && actual.baudRate == initial.baudRate
                && actual.dataBits == initial.dataBits
                && actual.parity == initial.parity
                && actual.stopBits == initial.stopBits,
            "PLC dialog must preserve Modbus RTU serial parameters");
    require(actual.responseTimeoutMs == initial.responseTimeoutMs
                && actual.retries == initial.retries
                && actual.pollIntervalMs == initial.pollIntervalMs,
            "PLC dialog must preserve communication timing parameters");

    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository repository;
    HmiRuntimeService runtime_service(repository);
    OfflineSimulationService simulation_service(repository);
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        monitor_service);
    require(window.findChild<QComboBox *>(QStringLiteral("serialPortComboBox")) == nullptr,
            "serial configuration controls must not be embedded in the main window");
    QAction *configure_action = requiredChild<QAction>(window, "configurePlcAction");
    bool dialog_opened = false;
    QTimer::singleShot(
        0,
        [&dialog_opened]
        {
            auto *dialog = qobject_cast<PlcConnectionDialog *>(
                QApplication::activeModalWidget());
            dialog_opened = dialog != nullptr;
            if (dialog != nullptr)
            {
                dialog->reject();
            }
        });
    configure_action->trigger();
    require(dialog_opened,
            "PLC configuration action must open the dedicated configuration dialog");
}

void testRepeatedPlcStatusNotificationsAreCoalesced()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository virtual_repository;
    VirtualRegisterRepository plc_repository;
    ActiveRegisterRepository active_repository(virtual_repository);
    HmiRuntimeService runtime_service(active_repository);
    OfflineSimulationService simulation_service(virtual_repository);
    RepeatedStatusGateway gateway;
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(active_repository);
    mode_service.configurePlc(
        gateway, active_repository, virtual_repository, plc_repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        monitor_service);
    QListWidget *output = requiredChild<QListWidget>(window, "outputList");
    const int initial_count = output->count();

    const PlcCommunicationResult result = mode_service.connectPlc(
        {"COM3", 1, 9600, 8, 2, 1, 1000, 2, 200});
    require(result.succeeded, "PLC connection setup must succeed");
    QApplication::processEvents();

    const QString expected = QStringLiteral("PLC 已连接，正在读取工程使用的 M/D 地址");
    int matching_count = 0;
    for (int index = initial_count; index < output->count(); ++index)
    {
        if (output->item(index)->text() == expected)
        {
            ++matching_count;
        }
    }
    require(matching_count == 1,
            "repeated PLC status callbacks must append one coalesced output message");
}

void testOnlineWorkspaceShowsHmiAndFreeMonitorOnly()
{
    TestProjectStorage storage;
    ProjectService project_service(storage);
    HmiEditorService editor_service(project_service);
    LogicEditorService logic_editor_service(project_service);
    VirtualRegisterRepository virtual_repository;
    VirtualRegisterRepository plc_repository;
    ActiveRegisterRepository active_repository(virtual_repository);
    HmiRuntimeService runtime_service(active_repository);
    OfflineSimulationService simulation_service(virtual_repository);
    OnlineReadyGateway gateway;
    RuntimeModeService mode_service(project_service, simulation_service);
    RegisterMonitorService monitor_service(active_repository);
    mode_service.configurePlc(
        gateway, active_repository, virtual_repository, plc_repository);
    MainWindow window(
        mode_service,
        project_service,
        editor_service,
        logic_editor_service,
        runtime_service,
        monitor_service);
    window.resize(1200, 760);
    window.show();
    QApplication::processEvents();

    require(mode_service.connectPlc(
                {"COM9", 1, 9600, 8, 2, 1, 1000, 2, 200}).succeeded,
            "online workspace test must connect the fake PLC gateway");
    gateway.completeInitialRead();
    QAction *online_action = requiredChild<QAction>(window, "onlineModeAction");
    online_action->trigger();
    QApplication::processEvents();

    QWidget *runtime_tab = requiredChild<QWidget>(window, "runtimeMonitorTab");
    QWidget *runtime_hmi = requiredChild<QWidget>(window, "runtimeHmiView");
    QWidget *runtime_logic = requiredChild<QWidget>(window, "runtimeLogicView");
    QWidget *free_monitor = requiredChild<QWidget>(window, "freeMonitorWidget");
    require(mode_service.mode() == ApplicationMode::OnlineRunning,
            "completed PLC initial read must allow online running");
    require(runtime_tab->isVisible() && runtime_hmi->isVisible()
                && free_monitor->isVisible(),
            "online running must show HMI and free monitor together");
    require(!runtime_logic->isVisible(),
            "online running must not show a misleading local ladder runtime trace");
    QLineEdit *monitor_address = requiredChild<QLineEdit>(window, "addressEdit");
    QPushButton *monitor_add = requiredChild<QPushButton>(window, "addButton");
    monitor_address->setText(QStringLiteral("D9"));
    monitor_add->click();
    require(std::find(
                gateway.poll_addresses.begin(),
                gateway.poll_addresses.end(),
                RegisterAddress{RegisterArea::D, 9}) != gateway.poll_addresses.end(),
            "online free monitor addresses must join the active PLC poll set immediately");

    QAction *configure_action = requiredChild<QAction>(window, "configurePlcAction");
    QAction *disconnect_action = requiredChild<QAction>(window, "disconnectPlcAction");
    QListWidget *output = requiredChild<QListWidget>(window, "outputList");
    gateway.loseSerialConnection(
        "PLC 串口 COM9 连接已中断；请检查 USB 转串口是否被拔出或已经失效");
    QApplication::processEvents();

    require(mode_service.mode() == ApplicationMode::Editing,
            "a communication fault must return the UI from online running to editing");
    require(configure_action->isEnabled()
                && configure_action->text() == QStringLiteral("PLC 配置"),
            "a lost serial connection must expose direct configuration");
    require(!disconnect_action->isEnabled(),
            "a lost serial connection must disable redundant disconnect actions");
    require(output->count() > 0
                && output->item(output->count() - 1)->text().contains(
                    QStringLiteral("连接已中断")),
            "communication fault details must remain in the output log");

    online_action->trigger();
    require(mode_service.mode() == ApplicationMode::Editing,
            "faulted PLC state must not re-enter online running without a fresh read");
}

} // namespace

int main(int argc, char *argv[])
{
    // 无窗口平台使 Qt Widgets 测试可在自动化环境稳定运行
    qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("offscreen"));
    QApplication application(argc, argv);

    try
    {
        testRuntimeButtonMouseInteraction();
        testModeActionsControlEditingAvailability();
        testPlcConfigurationUsesDialog();
        testRepeatedPlcStatusNotificationsAreCoalesced();
        testOnlineWorkspaceShowsHmiAndFreeMonitorOnly();
    }
    catch (const std::exception &error)
    {
        std::cerr << "main window tests failed: " << error.what() << '\n';
        return 1;
    }

    std::cout << "main window tests passed\n";
    return 0;
}