Yes, I agree.

I just looked at the ruff , I think we have more to fix in the coming days :)

https://github.com/astral-sh/ruff/pull/14661

https://github.com/astral-sh/ruff/pull/14611

On Fri, Nov 29, 2024 at 7:06 AM Jarek Potiuk <ja...@potiuk.com> wrote:
>
> Seeing the universal support - I progress with
> https://github.com/apache/airflow/pull/44466 -> Note it's not only for
> asserts, there are a number of other places where comparison was not RIGHT
> (pun intended)..
>
>
> On Fri, Nov 29, 2024 at 7:50 AM Pavankumar Gopidesu <gopidesupa...@gmail.com>
> wrote:
>
> > +1 agree :)
> >
> > Regards,
> > Pavan
> >
> >
> > On Fri, Nov 29, 2024, 06:37 Amogh Desai <amoghdesai....@gmail.com> wrote:
> >
> > > Vote +1 for this, I do. (Sorry couldn't help it)
> > >
> > > It's nice that there is some automation to do this. It was always
> > slightly
> > > annoying to me
> > > coming from a different programming language background
> > >
> > > Thanks & Regards,
> > > Amogh Desai
> > >
> > >
> > > On Fri, Nov 29, 2024 at 12:00 PM Shahar Epstein <sha...@apache.org>
> > wrote:
> > >
> > > > +1 Agree, I do :-)
> > > >
> > > > On Thu, Nov 28, 2024 at 9:12 PM Jarek Potiuk <ja...@potiuk.com> wrote:
> > > >
> > > > > Hello here,
> > > > >
> > > > > Following from slack discussion:
> > > > >
> > > https://apache-airflow.slack.com/archives/C06K9Q5G2UA/p1732816777850809
> > > > >
> > > > > While responding to
> > > https://github.com/apache/airflow/discussions/44455
> > > > > (really nice that Astral people are using Airflow to test new ruff
> > > > rules) I
> > > > > noticed that we have a number of cases where we use
> > > > >
> > > > > assert EXPECTED_CONSTANT == value tested
> > > > >
> > > > > rather than
> > > > >
> > > > > assert value tested == EXPECTED_CONSTANT
> > > > >
> > > > > I just learned that The way to write this condition is called "Yoda
> > > > > condition" :) - for obvious reasons :)
> > > > >
> > > > > I know where it comes from -
> > > > > https://wiki.c2.com/?CompareConstantsFromTheLeft - because there is
> > > > (was)
> > > > > easy to make mistake and have `=` instead of `==`, but this is from C
> > > and
> > > > > not from Python. In Python it literally makes no sense to prevent
> > this,
> > > > > because it leads to a syntax error:
> > > > >
> > > > > >>> x = 10
> > > > > >>> assert x = 9
> > > > >   File "<stdin>", line 1
> > > > >     assert x = 9
> > > > >              ^
> > > > > SyntaxError: invalid syntax
> > > > > >>>
> > > > >
> > > > > Also Pytest is very clear in their "assert rewritten messages" that
> > the
> > > > > "right" side is expected
> > > > >
> > > > > tests/jobs/test_scheduler_job.py:1695
> > > > > (TestSchedulerJob.test_execute_task_instances_limit_second_executor)
> > > > > 7 != 6
> > > > >
> > > > > Expected :6
> > > > > Actual   :7
> > > > > <Click to see difference>
> > > > >
> > > > > test_scheduler_job.py:1736: in
> > > > > test_execute_task_instances_limit_second_executor
> > > > >     assert 7 == res
> > > > > E   assert 7 == 6
> > > > >
> > > > > IMHO - using this `assert CONSTANT == value` - is a bit of a "cargo
> > > > cult" -
> > > > > we are using it without realising that it is no use any more and only
> > > > > introduces confusion.
> > > > >
> > > > > Quick check shows that we have 398 "yoda asserts" in our tests, so
> > > > > apparently the cult is pretty strong :D.
> > > > >
> > > > > I would say we should make Yoda conditions forbidden via the
> > > > > https://docs.astral.sh/ruff/rules/yoda-conditions/ rule and fix all
> > > > those
> > > > > Yoda conditions to be "non-Yoda" conditions (including all the
> > > asserts).
> > > > >
> > > > > WDYT?
> > > > >
> > > > > J.
> > > > >
> > > >
> > >
> >

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