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From: Derrick Stolee <>
To: Junio C Hamano <>,
	Phillip Wood <>
Cc: "Ævar Arnfjörð Bjarmason" <>,, "John Cai" <>,
	"Elijah Newren" <>,
	"Derrick Stolee" <>
Subject: Re: [PATCH 1/7] test-lib: add a "test_expect_todo", similar to "test_expect_failure"
Date: Tue, 22 Mar 2022 10:43:23 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <xmqqy2144hwa.fsf@gitster.g>

On 3/20/22 2:07 PM, Junio C Hamano wrote:
> Phillip Wood <> writes:
>> .... I had a look
>> at some of the conversions with your test_todo --want/--expect/--reset
>> and found the result really hard to follow. Junio's suggestions chimed
>> with some things I've been thinking about so I had a go at
>> implementing it and doing some sample conversions (see below). Marking
>> the individual commands that should fail is a big step forward and the
>> failing commands are checked to make sure they don't segfault etc.
> ;-)
> Another small detail in my suggestion that will make a huge
> difference in the end is not to introduce test_expect_todo as a
> separate top-level construct, and instead teach test_expect_success
> to pay attention to the use of test_todo "unfortunately this does
> not work yet" mark in it.  It allows us to use test_todo in a shared
> test helper function and call them in test_expect_success, and when
> the step the test helper has trouble with gets fixed, the "unmark"
> step will be an isolated change.
> Your sample change seems to already have it, which is good.

After reading this thread, I agree with many of the ideas that were
generated in response to this topic.

The thing I'm hoping to see from a final version is that a top-level
helper like test_expect_todo will expect at least one test_todo
helper to be executed inside of the test (perhaps communicated by
setting a special GIT_TEST_* environment variable?) and if any of
the test_todo lines change from fail to pass, then that is
communicated as a _failure_ from CI's perspective. Let us discover
if we have accidentally "fixed" any of these test cases and update
the tests accordingly.

I can predict writing a test case with multiple test_todo lines
that need to be updated to drop the test_todo helpers one-by-one
as a change is being introduced.


  reply	other threads:[~2022-03-22 14:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-18  0:33 [PATCH 0/7] test-lib-functions: a better "test_expect_failure" Ævar Arnfjörð Bjarmason
2022-03-18  0:33 ` [PATCH 1/7] test-lib: add a "test_expect_todo", similar to "test_expect_failure" Ævar Arnfjörð Bjarmason
2022-03-18 18:59   ` Junio C Hamano
2022-03-18 20:50     ` Junio C Hamano
2022-03-18 23:07       ` Ævar Arnfjörð Bjarmason
2022-03-19  7:12         ` Junio C Hamano
2022-03-19 11:11           ` Ævar Arnfjörð Bjarmason
2022-03-20 15:13             ` Phillip Wood
2022-03-20 18:07               ` Junio C Hamano
2022-03-22 14:43                 ` Derrick Stolee [this message]
2022-03-23 22:13                   ` Junio C Hamano
2022-03-24 11:24                     ` Phillip Wood
2022-03-18  0:33 ` [PATCH 2/7] test-lib-functions: add and use a "test_todo" helper Ævar Arnfjörð Bjarmason
2022-03-18  0:33 ` [PATCH 3/7] tests: allow test_* in "test_must_fail_acceptable" for "test_todo" Ævar Arnfjörð Bjarmason
2022-03-18  0:33 ` [PATCH 4/7] test-lib-functions: add and use a "todo_test_cmp" helper Ævar Arnfjörð Bjarmason
2022-03-18  0:34 ` [PATCH 5/7] test-lib-functions: add and use a "todo_test_path" helper Ævar Arnfjörð Bjarmason
2022-03-18  0:34 ` [PATCH 6/7] test-lib-functions: make test_todo support a --reset Ævar Arnfjörð Bjarmason
2022-03-18  0:34 ` [PATCH 7/7] sparse tests: convert a TODO test to use "test_expect_todo" Ævar Arnfjörð Bjarmason

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