[python-committers] Codecov and PR

[Ethan Furman]

On 04/25/2017 11:05 PM, Victor Stinner wrote:
> On 04/25/2017 10:15 PM, INADA Naoki wrote:

>>     `self.initfp()` is very unlikely raise exceptions.  But MemoryError,
>>     KeyboardInterrupt or
>>     other rare exceptions may be happen.
>
> unittest.mock helps a lot to test such corner case: mock initfp() with a MemoryError side effect, maybe also close () to
> check that the method was called... The new problem is that on 3 instructions, 2 are mocked... The test now checks the
> test itself or the real application?

That application -- specifically, the except clause of the application.  There should be other tests for the non-except 
clause portions.

--
~Ethan~