[英]Suggestions for python assert function
我在多個腳本中多次使用assert,我想知道是否有人對實現此目標的更好方法有任何建議,而不是我在下面創建的功能。
def assert_validation(expected, actual, type='', message=''):
if type == '==':
assert expected == actual, 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '!=':
assert expected != actual, 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '<=':
assert expected <= actual, 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '>=':
assert expected >= actual, 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
def assert_str_validation(expected, actual, type='', message=''):
if type == '==':
assert str(expected) == str(actual), 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '!=':
assert str(expected) != str(actual), 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '<=':
assert str(expected) <= str(actual), 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
elif type == '>=':
assert str(expected) >= str(actual), 'Expected: %s, Actual: %s, %s' %(expected, actual, message)
好吧,這肯定會更短...您真的可以不只使用assert expected == actual
還是腳本本身中的任何內容?
def assert_validation(expected, actual, type='', message='', trans=(lambda x: x)):
m = { '==': (lambda e, a: e == a),
'!=': (lambda e, a: e != a),
'<=': (lambda e, a: e <= a),
'>=': (lambda e, a: e >= a), }
assert m[type](trans(expected), trans(actual)), 'Expected: %s, Actual: %s, %s' % (expected, actual, message)
def assert_str_validation(expected, actual, type='', message=''):
assert_validation(expected, actual, type, message, trans=str)
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