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QTest用来测试简单的小部件,一切都按预期工作。但是现在我有一个更复杂的测试场景,我基本上有一个小部件,它允许用户按下鼠标按钮,然后移动一些内容,然后释放鼠标按钮。

为此,我创建了以下测试工具:

主文件

#include <QtTest/QTest>
#include "TestObject.h"

int main(int argc, char** args) {
    TestObject o;
    QTest::qExec(&o);

}

WidgetToTest.h

#pragma once
#include <QWidget>

class WidgetToTest : public QWidget
{
    Q_OBJECT
public:
    WidgetToTest(QWidget* parent = nullptr);

protected:
    void mousePressEvent(QMouseEvent* event) override;
    void mouseMoveEvent(QMouseEvent* event) override;
    void mouseReleaseEvent(QMouseEvent* event) override;
};

WidgetToTest.cpp

#include "WidgetToTest.h"
#include <QDebug>
#include <QMouseEvent>
#include <QHBoxLayout>

WidgetToTest::WidgetToTest(QWidget* parent): QWidget(parent)
{
    setFixedSize(200, 200);
    setLayout(new QHBoxLayout);
}

void WidgetToTest::mousePressEvent(QMouseEvent* event)
{
    qDebug() << "Mouse press: " << event;
}

void WidgetToTest::mouseMoveEvent(QMouseEvent* event)
{
    qDebug() << "Mouse move: "<< event; // Nothing happens here???
}

void WidgetToTest::mouseReleaseEvent(QMouseEvent* event)
{
    qDebug() << "Mouse release: " << event;
}

测试对象.h

#pragma once

#include <QObject>
class TestObject : public QObject
{
    Q_OBJECT

private slots:
    void testCode();
};

测试对象.cpp

#include "TestObject.h"
#include "WidgetToTest.h"
#include <QTest>
#include <QApplication>

void TestObject::testCode()
{
    int argc{0};
    QApplication app(argc,{});

    Qt::KeyboardModifiers mod;
    auto w = new WidgetToTest;
    w->show();
    QTest::mousePress(w, Qt::MouseButton::LeftButton,mod,QPoint(5,5));
    QTest::mouseMove(w, QPoint(20,20),20);
    QTest::mouseRelease(w, Qt::MouseButton::LeftButton,mod, QPoint(20,20));
}

因此,用户使用鼠标左键单击窗口小部件内的位置 (5,5),然后在按住按钮的同时拖动鼠标到位置 (20,20),然后在位置 (20,20) 释放按钮。

有趣的是,移动事件从未发生在小部件内部,我真的不知道为什么。

看来,我并没有完全理解它的用意QTest::mouseMove,但是 Qt 文档在如何使用它方面也比较沉默。

如何模拟我想要的行为?

4

1 回答 1

1

以下更改void TestObject::testCode()正在起作用。

  1. 为小部件启用鼠标跟踪。
  2. 为鼠标释放测试事件添加延迟,否则鼠标移动事件似乎会丢失/延迟。

    auto w = new WidgetToTest;
    w->setMouseTracking(true);
    w->show();
    QTest::mousePress(w, Qt::MouseButton::LeftButton,mod,QPoint(5,5));
    QTest::mouseMove(w, QPoint(20,20),20);
    QTest::mouseRelease(w, Qt::MouseButton::LeftButton,mod, QPoint(20,20),20);
    
于 2019-06-24T20:31:50.160 回答