我有一个pyqt应用程序,想要为测试这个应用程序编写测试脚本。
在独立测试期间,我能够构建qapplication。但是,在使用pytest编写我的unittestcases时,不确定如何创建此对象。
import sys
from PyQt5.QtWidgets import QApplication, QDialog, QGridLayout, QLabel, QLineEdit
class Example(QDialog):
def __init__(self, *args, **kwargs):
super(Example, self).__init__(*args, **kwargs)
self.initUI()
def initUI(self):
grid = QGridLayout(self)
a1 = QLabel('alphanumeric characters')
a2 = QLabel('alphanumeric characters')
grid.addWidget(QLabel('Name'), 0, 0)
grid.addWidget(QLineEdit(), 0, 1)
grid.addWidget(QLabel('Street1'), 1, 0)
grid.addWidget(QLineEdit(), 1, 1)
grid.addWidget(QLabel('Street2'), 2, 0)
grid.addWidget(QLineEdit(), 2, 1)
grid.addWidget(QLabel('City'), 3, 0)
grid.addWidget(QLineEdit(), 3, 1)
grid.addWidget(QLabel('only alphanumeric'), 0, 2, 4, 1)
self.setGeometry(500, 500, 500, 500)
self.setWindowTitle('Lines')
self.show()
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
# ex.show()
sys.exit(app.exec_())
单元测试:
import unittest
import same_label
class Test(unittest.TestCase):
def setUp(self):
ex = same_label.Example()
def tearDown(self):
pass
def testName(self):
pass
if __name__ == "__main__":
#import sys;sys.argv = ['', 'Test.testName']
unittest.main()
错误:-
QWidget: Must construct a QApplication before a QWidget