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From "Michael Park" <mcyp...@gmail.com>
Subject Re: Review Request 39018: Added JSON parsing for Resources.
Date Tue, 13 Oct 2015 18:25:15 GMT


> On Oct. 13, 2015, 5:38 a.m., Guangya Liu wrote:
> > src/common/resources.cpp, line 367
> > <https://reviews.apache.org/r/39018/diff/10/?file=1096261#file1096261line367>
> >
> >     Why not check error here?
> 
> Greg Mann wrote:
>     I'm sorry, I don't understand this comment. Are you referring to the error checking
for trailing characters?

This is because the result is already of type `Try<Resources>`. No need to unwrap the
content only to rewrap it into a `Try<Resources>`, we can just propagate whatever the
result is.


- Michael


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On Oct. 12, 2015, 6:38 p.m., Greg Mann wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/39018/
> -----------------------------------------------------------
> 
> (Updated Oct. 12, 2015, 6:38 p.m.)
> 
> 
> Review request for mesos, Adam B, Alexander Rukletsov, Jie Yu, and Michael Park.
> 
> 
> Bugs: MESOS-2467
>     https://issues.apache.org/jira/browse/MESOS-2467
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> This includes code changes necessary for JSON parsing of Resources. Documentation changes
will be posted soon in another review (https://reviews.apache.org/r/39102/).
> 
> 
> Diffs
> -----
> 
>   include/mesos/resources.hpp 6c3a065945eb56dc88df9c977e5ca11d4cbcbf61 
>   include/mesos/v1/resources.hpp fe8925ac851b74d1b37919f00afc7ed816f47ea5 
>   src/common/resources.cpp 601388c35a1bff37c58e753d1870d53b8d0af2d1 
>   src/tests/resources_tests.cpp 6584fc6c39e6ffe9f8085576677dcc669f127697 
>   src/v1/resources.cpp dc868903472f8f3a1ddc56092e3f8f81d953ce39 
> 
> Diff: https://reviews.apache.org/r/39018/diff/
> 
> 
> Testing
> -------
> 
> New code was added to `ResourcesTest.ParsingFromJSON`, and two new tests were added:
`ResourcesTest.ParsingFromJSONWithRoles` and `ResourcesTest.ParsingFromJSONError`. These attempt
to test common error scenarios that might show up in user-supplied JSON.
> 
> `make check` was used to confirm that all tests pass, with one notable failure (ResourcesTest.ParsingFromJSONError)
related to a picojson issue tracked here: https://issues.apache.org/jira/browse/MESOS-3698
> 
> The original resources parsing format is used throughout many other tests (check `src/tests/sorter_tests.cpp`,
for example), so it's clear that the original parsing continues to work correctly.
> 
> 
> Thanks,
> 
> Greg Mann
> 
>


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