创建QDialog的PyQt单元测试

import unittest
from PyQt5.QtWidgets import QApplication, QDialog

class TestQDialog(unittest.TestCase):
    def setUp(self):
        # 初始化应用程序和对话框
        self.app = QApplication([])
        self.dialog = QDialog()
    
    def tearDown(self):
        # 清理资源
        self.dialog.close()
        del self.dialog
        del self.app
    
    def test_dialog_title(self):
        # 测试对话框的标题是否正确
        self.dialog.setWindowTitle("Test Dialog")
        self.assertEqual(self.dialog.windowTitle(), "Test Dialog")
    
    def test_dialog_visibility(self):
        # 测试对话框的可见性
        self.assertFalse(self.dialog.isVisible())
        self.dialog.show()
        self.assertTrue(self.dialog.isVisible())
    
    def test_dialog_size(self):
        # 测试对话框的大小是否正确
        self.dialog.resize(800, 600)
        self.assertEqual(self.dialog.size(), (800, 600))
    
    def test_dialog_buttons(self):
        # 测试对话框是否包含指定的按钮
        ok_button = self.dialog.findChild(QPushButton, "okButton")
        cancel_button = self.dialog.findChild(QPushButton, "cancelButton")
        self.assertIsNotNone(ok_button)
        self.assertIsNotNone(cancel_button)
    
if __name__ == "__main__":
    unittest.main()