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学习《Dive Into Python3》 Python 单元测试问题
dreampython · 2018-03-09 11:18:59 +08:00 · 2245 次点击这是一个创建于 2489 天前的主题，其中的信息可能已经有所发展或是发生改变。
http://www.diveintopython3.net/unit-testing.html 中 9.2 A Single Question 中执行 python3 romantest1.py -v 会出现以下详细的信息
test_to_roman_known_values (__main__.KnownValues) ①
to_roman should give known result with known input ... FAIL ②
======================================================================
FAIL: to_roman should give known result with known input
----------------------------------------------------------------------
Traceback (most recent call last):
File "romantest1.py", line 73, in test_to_roman_known_values
self.assertEqual(numeral, result)
AssertionError: 'I' != None ③
----------------------------------------------------------------------
Ran 1 test in 0.016s ④
FAILED (failures=1) ⑤
但是我自己在 windows 7 系统 python3.5.2 环境下执行 python romantest1.py -v，只输出
PS E:\DiveIntoPython3> python .\romantest1.py -v
----------------------------------------------------------------------
Ran 0 tests in 0.000s
OK
代码与连接中的完全相同，不知道哪里出了问题，各位有遇到过的？或者知道是哪里的问题？
test_to_roman_known_values (__main__.KnownValues) ①
to_roman should give known result with known input ... FAIL ②
======================================================================
FAIL: to_roman should give known result with known input
----------------------------------------------------------------------
Traceback (most recent call last):
File "romantest1.py", line 73, in test_to_roman_known_values
self.assertEqual(numeral, result)
AssertionError: 'I' != None ③
----------------------------------------------------------------------
Ran 1 test in 0.016s ④
FAILED (failures=1) ⑤
但是我自己在 windows 7 系统 python3.5.2 环境下执行 python romantest1.py -v，只输出
PS E:\DiveIntoPython3> python .\romantest1.py -v
----------------------------------------------------------------------
Ran 0 tests in 0.000s
OK
代码与连接中的完全相同，不知道哪里出了问题，各位有遇到过的？或者知道是哪里的问题？
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1
dreampython OP 找到原因了，test_to_roman_known_values 函数的缩进有问题，本应该是 KnownValues 类的类函数，缩进没注意弄成和 KnownValues 同级的了，调整缩进后，运行正常
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2
julyclyde 2018-03-12 13:42:52 +08:00
@dreampython 那你应该研究一下为啥在 windows 里同样的却能运行成功啊
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3
julyclyde 2018-03-12 13:43:12 +08:00
哦抱歉我看错了。忽略我上一条吧
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