Re: [PATCH 1/4] t6038: make tests fail for the right reason

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"Elijah Newren via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes:

> t6038 had a pair of tests that were expected to fail, but weren't
> failing for the expected reason.  Both were meant to do a merge that
> could be done cleanly after renormalization, but were supposed to fail
> for lack of renormalization.  Unfortunately, both tests has staged
> changes, and checkout -m would abort due to the presence of those staged
> changes before even attempting a merge.
>
> Fix this first issue by utilizing git-restore instead of git-checkout,
> so that the index is left alone and just the working directory gets the
> changes we want.

Nicely analysed.

> However, there is a second issue with these tests.  Technically, they
> just wanted to verify that after renormalization, no conflicts would be
> present.  This could have been checked for by grepping for a lack of
> conflict markers, but the test instead tried to compare the working
> directory files to an expected result.  Unfortunately, the setting of
> "text=auto" without setting core.eol to any value meant that the content
> of the file (in particular, the line endings) would be
> platform-dependent and the tests could only pass on some platforms.

OK.

> Replace the existing comparison with a call to 'git diff --no-index
> --ignore-cr-at-eol' to verify that the contents, other than possible
> carriage returns in the file, match the expected results and in
> particular that the file has no conflicts from the checkout -m
> operation.

Makes sense.

Thanks.

> Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
> ---
>  t/t6038-merge-text-auto.sh | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/t/t6038-merge-text-auto.sh b/t/t6038-merge-text-auto.sh
> index 5e8d5fa50c..27cea15533 100755
> --- a/t/t6038-merge-text-auto.sh
> +++ b/t/t6038-merge-text-auto.sh
> @@ -168,9 +168,9 @@ test_expect_failure 'checkout -m after setting text=auto' '
>  	git rm -fr . &&
>  	rm -f .gitattributes &&
>  	git reset --hard initial &&
> -	git checkout a -- . &&
> +	git restore --source=a -- . &&
>  	git checkout -m b &&
> -	compare_files expected file
> +	git diff --no-index --ignore-cr-at-eol expected file
>  '
>  
>  test_expect_failure 'checkout -m addition of text=auto' '
> @@ -183,9 +183,9 @@ test_expect_failure 'checkout -m addition of text=auto' '
>  	git rm -fr . &&
>  	rm -f .gitattributes file &&
>  	git reset --hard initial &&
> -	git checkout b -- . &&
> +	git restore --source=b -- . &&
>  	git checkout -m a &&
> -	compare_files expected file
> +	git diff --no-index --ignore-cr-at-eol expected file
>  '
>  
>  test_expect_failure 'cherry-pick patch from after text=auto was added' '



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