[lldb-dev] New test summary results formatter

Zachary Turner via lldb-dev lldb-dev at lists.llvm.org
Wed Dec 2 11:10:01 PST 2015

Also another stylistic suggestion.  I've been thinking about how to more
logically organize all the source files now that we have a package.  So it
makes sense conceptually to group all of the different result formatters
under a subpackage called formatters.  So right now you've got
lldbsuite.test.basic_results_formatter.BasicResultsFormatter but it might
make sense for this to be
lldbsuite.test.formatters.basic.BasicResultsFormatter.  If you do things
this way, it can actually result in a substantially shorter command line,
because the --results-formatter option can use lldbsuite.test.formatters as
a starting point.  So you could instead write:

test/dotest.py --results-formatter basic

dotest then looks for a `basic.py` module in the
`lldbsuite.test.formatters` package, looks for a class inside with a
@result_formatter decorator, and instantiates that.

This has the advantage of making the command line shorter *and* a more
logical source file organization.

On Wed, Dec 2, 2015 at 11:04 AM Zachary Turner <zturner at google.com> wrote:

> Can --results-file=stdout be the default so that we don't have to specify
> that?
> On Wed, Dec 2, 2015 at 11:02 AM Todd Fiala via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
>> Also, all the text in the summary is fixed-width lined up nicely, which
>> may not show in the commit message description if you're using a
>> variable-width font.  On a terminal it looks nice.
>> On Wed, Dec 2, 2015 at 11:01 AM, Todd Fiala <todd.fiala at gmail.com> wrote:
>>> On Wed, Dec 2, 2015 at 10:57 AM, Todd Fiala <todd.fiala at gmail.com>
>>> wrote:
>>>> Hi all,
>>>> I just put up an optional test results formatter that is a prototype of
>>>> what we may move towards for our default test summary results.  It went in
>>>> here:
>>>> r254530
>>>> and you can try it out with something like:
>>>> time test/dotest.py --executable `pwd`/build/Debug/lldb
>>>> --results-formatter
>>>> lldbsuite.test.basic_results_formatter.BasicResultsFormatter --results-file
>>>> st
>>>> out
>>> I cut and paste my line, but more than likely for most people you'd just
>>> want this:
>>> test/dotest.py --results-formatter
>>> lldbsuite.test.basic_results_formatter.BasicResultsFormatter --results-file
>>> stdout
>>> The other stuff was specific to my setup.  That line assumes you run
>>> from the lldb source dir root.
>>> Let me know if this satisfies the basic needs of counts and whatnot.  It
>>>> counts test method runs rather than all the oddball "file, class, etc."
>>>> counts we had before.
>>>> It prints out the Details section when there are details, and keeps it
>>>> nice and clean when there are none.
>>>> It also mentions a bit about test reruns up top, but that won't come
>>>> into play until I get the multi-test-pass, single-worker/low-load mechanism
>>>> in place, which will depend on newer rerun count awareness support.
>>>> The change also cleans up places where the test event framework was
>>>> using string codes and replaces them with symbolic constants.
>>>> Let me know what you think.  I can tweak it as needed to address
>>>> testbot and other needs.  Once it looks reasonable, I'd like to move over
>>>> to using it by default in the parallel test runner rather than the legacy
>>>> support.
>>>> Thanks!
>>>> --
>>>> -Todd
>>> --
>>> -Todd
>> --
>> -Todd
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>> lldb-dev at lists.llvm.org
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