我想將單元測試添加到我的高中編程課的評估中。對多個文件運行Python單元測試測試
如果我有一個像這樣的文件二十意見:
def calculateReturn(principle, rate, freq, time):
final = principle * (1 + (rate/freq)) ** (freq * time)
return final
我可以用一個測試案例也是這樣嗎?
import unittest
class test(unittest.TestCase):
def test1(self):
value = calculateReturn(5000, 0.05, 12, 11)
self.assertAlmostEqual(value, 8235.05, 2)
if __name__ == '__main__':
unittest.main()
如何在20個模塊上運行這個簡單測試?
更多信息請
因爲我創造了三個「意見」無不彰顯計算X^Y的不同方式的測試。
submission1.py:
from math import pow
def powerFunction(base, power):
result = pow(base, power)
return result
submission2.py:
def powerFunction(base, power):
result = base ** power
return result
submission3.py:
def powerFunction(base, power):
result = 1
for i in range(power):
result = result * base
return result
測試代碼是:
import unittest
import importlib
class MyTest(unittest.TestCase):
def setUp(self):
pass
def test_power_3_4(self):
self.assertEqual(module.powerFunction(2, 3), 8)
files = ['submission1', 'submission2', 'submission3']
for file in files:
module = importlib.import_module(file)
print module
unittest.main()
如果測試碼被運行控制檯輸出顯示僅submission1被測試:
/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
/Users/staff/PycharmProjects/UnitTest/powerTest.py
<module 'submission1' from '/Users/staff/PycharmProjects/UnitTest/
submission1.pyc'>
.
----------------------------------------------------------------------
Ran 1 test in 0.000s
OK
Process finished with exit code 0
有趣的是,如果我不使用單元測試我可以正確地導入並使用測試這種方法:
import importlib
files = ['submission1', 'submission2', 'submission3']
for file in files:
module = importlib.import_module(file)
print module
print module.powerFunction(2,3)
這裏的控制檯輸出爲:
/System/Library/Frameworks/Python.framework/Versions/2.7/bin/
python2.7 /Users/staff/PycharmProjects/UnitTest/importlib1.py
<module 'submission1' from '/Users/staff/PycharmProjects/UnitTest/
submission1.pyc'>
8.0
<module 'submission2' from '/Users/staff/PycharmProjects/UnitTest/
submission2.pyc'>
8
<module 'submission3' from '/Users/staff/PycharmProjects/UnitTest/
submission3.pyc'>
8
Process finished with exit code 0
這可能是unittest模塊是不是在這裏最好的辦法,但我仍然有興趣在如何實現它。
謝謝約翰。你能提供一些示例代碼嗎? –
@AndrewH:不,你必須親自嘗試,如果遇到困難,可以提出更具體的問題。 –
我被卡住了。這就是我發佈的原因。不管怎麼說,還是要謝謝你。 –