pytest Quick Start Guide

pytest-qt

The pytest-qt plugin allows you to write tests for GUI applications written in the Qt framework (https://www.qt.io/), supporting the more popular sets of Python bindings for Qt: PyQt4/PyQt5, and PySide/PySide2. 

It provides a qtbot fixture that has methods to interact with a GUI application, such as clicking on buttons, entering text in fields, waiting for windows to pop up, and others. Here's a quick example showing it in action:

def test_main_window(qtbot):    widget = MainWindow()    qtbot.addWidget(widget)        qtbot.mouseClick(widget.about_button, QtCore.Qt.LeftButton)    qtbot.waitUntil(widget.about_box.isVisible)    assert widget.about_box.text() == 'This is a GUI App'

Here, we create a window, click on the about button, wait for the about ...