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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Neeraj Singh via GitGitGadget <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Neeraj-Personal <nksingh85@gmail.com>,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>,
	Jeff King <peff@peff.net>,
	Jeff Hostetler <jeffhost@microsoft.com>,
	Christoph Hellwig <hch@lst.de>,
	"Randall S. Becker" <rsbecker@nexbridge.com>,
	Bagas Sanjaya <bagasdotme@gmail.com>,
	Neeraj Singh <neerajsi@microsoft.com>
Subject: Re: [PATCH v4 5/6] core.fsyncobjectfiles: tests for batch mode
Date: Wed, 22 Sep 2021 01:54:16 +0200	[thread overview]
Message-ID: <87a6k58or9.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <afb0028e79648c1f7be8d77df5c6d675bd27d983.1632176111.git.gitgitgadget@gmail.com>


On Mon, Sep 20 2021, Neeraj Singh via GitGitGadget wrote:

> From: Neeraj Singh <neerajsi@microsoft.com>
>
> Add test cases to exercise batch mode for 'git add'
> and 'git stash'. These tests ensure that the added
> data winds up in the object database.
>
> I verified the tests by introducing an incorrect rename
> in do_sync_and_rename.
>
> Signed-off-by: Neeraj Singh <neerajsi@microsoft.com>
> ---
>  t/lib-unique-files.sh | 34 ++++++++++++++++++++++++++++++++++
>  t/t3700-add.sh        | 11 +++++++++++
>  t/t3903-stash.sh      | 14 ++++++++++++++
>  3 files changed, 59 insertions(+)
>  create mode 100644 t/lib-unique-files.sh
>
> diff --git a/t/lib-unique-files.sh b/t/lib-unique-files.sh
> new file mode 100644
> index 00000000000..a8a25eba61d
> --- /dev/null
> +++ b/t/lib-unique-files.sh
> @@ -0,0 +1,34 @@
> +# Helper to create files with unique contents
> +
> +test_create_unique_files_base__=$(date -u)
> +test_create_unique_files_counter__=0
> +
> +# Create multiple files with unique contents. Takes the number of
> +# directories, the number of files in each directory, and the base
> +# directory.
> +#
> +# test_create_unique_files 2 3 . -- Creates 2 directories with 3 files
> +#				    each in the specified directory, all
> +#				    with unique contents.
> +
> +test_create_unique_files() {
> +	test "$#" -ne 3 && BUG "3 param"
> +
> +	local dirs=$1
> +	local files=$2
> +	local basedir=$3
> +
> +	rm -rf $basedir >/dev/null

Why the >/dev/null? It's not a "-rfv", and any errors would go to
stderr.

> +		mkdir -p "$dir" > /dev/null

Ditto.

> +		for j in $(test_seq $files)
> +		do
> +			test_create_unique_files_counter__=$((test_create_unique_files_counter__ + 1))
> +			echo "$test_create_unique_files_base__.$test_create_unique_files_counter__"  >"$dir/file$j.txt"

Would be much more readable if we these variables were shorter.

But actually, why are we trying to create files as a function of "date
-u" at all? This is all in the trash directory, which is rm -rf'd beween
runs, why aren't names created with test_seq or whatever OK? I.e. just
1.txt, 2.txt....

> +test_expect_success 'stash with core.fsyncobjectfiles=batch' "
> +	test_create_unique_files 2 4 fsync-files &&
> +	git -c core.fsyncobjectfiles=batch stash push -u -- ./fsync-files/ &&
> +	rm -f fsynced_files &&
> +
> +	# The files were untracked, so use the third parent,
> +	# which contains the untracked files
> +	git ls-tree -r stash^3 -- ./fsync-files/ > fsynced_files &&
> +	test_line_count = 8 fsynced_files &&
> +	cat fsynced_files | awk '{print \$3}' | xargs -n1 git cat-file -e
> +"
> +
> +
>  test_expect_success 'stash -c stash.useBuiltin=false warning ' '
>  	expected="stash.useBuiltin support has been removed" &&

We really prefer our tests to create the same data each time if
possible, but as noted with the "date -u" comment above you're
explicitly bypassing that, but I still can't see why...

  reply	other threads:[~2021-09-21 23:58 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-25  1:51 [PATCH 0/2] [RFC] Implement a bulk-checkin option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-08-25  1:51 ` [PATCH 1/2] object-file: use futimes rather than utime Neeraj Singh via GitGitGadget
2021-08-25 13:51   ` Johannes Schindelin
2021-08-25 22:08     ` Neeraj Singh
2021-08-25  1:51 ` [PATCH 2/2] core.fsyncobjectfiles: batch disk flushes Neeraj Singh via GitGitGadget
2021-08-25  5:38   ` Christoph Hellwig
2021-08-25 17:40     ` Neeraj Singh
2021-08-26  5:54       ` Christoph Hellwig
2021-08-25 16:11   ` Ævar Arnfjörð Bjarmason
2021-08-26  0:49     ` Neeraj Singh
2021-08-26  5:50       ` Christoph Hellwig
2021-08-28  0:20         ` Neeraj Singh
2021-08-28  6:57           ` Christoph Hellwig
2021-08-31 19:59             ` Neeraj Singh
2021-09-01  5:09               ` Christoph Hellwig
2021-08-26  5:57     ` Christoph Hellwig
2021-08-25 18:52   ` Johannes Schindelin
2021-08-25 21:26     ` Junio C Hamano
2021-08-26  1:19     ` Neeraj Singh
2021-08-25 16:58 ` [PATCH 0/2] [RFC] Implement a bulk-checkin option for core.fsyncObjectFiles Neeraj Singh
2021-08-27 23:49 ` [PATCH v2 0/6] Implement a batched fsync " Neeraj K. Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 1/6] object-file: use futimens rather than utime Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 2/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 3/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 4/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 5/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-08-27 23:49   ` [PATCH v2 6/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-07 19:44   ` [PATCH v2 0/6] Implement a batched fsync option for core.fsyncObjectFiles Neeraj Singh
2021-09-07 19:50     ` Ævar Arnfjörð Bjarmason
2021-09-07 19:54     ` Randall S. Becker
2021-09-08  0:54       ` Neeraj Singh
2021-09-08  1:22         ` Ævar Arnfjörð Bjarmason
2021-09-08 14:04           ` Randall S. Becker
2021-09-08 19:01           ` Neeraj Singh
2021-09-08  0:55     ` Neeraj Singh
2021-09-08  6:44       ` Junio C Hamano
2021-09-08  6:49         ` Christoph Hellwig
2021-09-08 13:57           ` Randall S. Becker
2021-09-08 14:13             ` 'Christoph Hellwig'
2021-09-08 14:25               ` Randall S. Becker
2021-09-08 16:34         ` Neeraj Singh
2021-09-08 19:12           ` Junio C Hamano
2021-09-08 19:20             ` Neeraj Singh
2021-09-08 19:23           ` Ævar Arnfjörð Bjarmason
2021-09-14  3:38   ` [PATCH v3 " Neeraj K. Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 1/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 2/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-14 10:39       ` Bagas Sanjaya
2021-09-14 19:05         ` Neeraj Singh
2021-09-14 19:34       ` Junio C Hamano
2021-09-14 20:33         ` Junio C Hamano
2021-09-15  4:55         ` Neeraj Singh
2021-09-14  3:38     ` [PATCH v3 3/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 4/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-14 19:35       ` Junio C Hamano
2021-09-14  3:38     ` [PATCH v3 5/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-14  3:38     ` [PATCH v3 6/6] core.fsyncobjectfiles: enable batch mode for testing Neeraj Singh via GitGitGadget
2021-09-15 16:21       ` Junio C Hamano
2021-09-15 22:43         ` Neeraj Singh
2021-09-15 23:12           ` Junio C Hamano
2021-09-16  6:19             ` Junio C Hamano
2021-09-14  5:49     ` [PATCH v3 0/6] Implement a batched fsync option for core.fsyncObjectFiles Christoph Hellwig
2021-09-20 22:15     ` [PATCH v4 " Neeraj K. Singh via GitGitGadget
2021-09-20 22:15       ` [PATCH v4 1/6] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-20 22:15       ` [PATCH v4 2/6] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-21 23:16         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:23           ` Neeraj Singh
2021-09-22  2:02             ` Ævar Arnfjörð Bjarmason
2021-09-22 19:46             ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 3/6] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-21 23:42         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:23           ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 4/6] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-21 23:46         ` Ævar Arnfjörð Bjarmason
2021-09-22  1:27           ` Neeraj Singh
2021-09-23 22:32             ` Neeraj Singh
2021-09-20 22:15       ` [PATCH v4 5/6] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-21 23:54         ` Ævar Arnfjörð Bjarmason [this message]
2021-09-22  1:30           ` Neeraj Singh
2021-09-22  1:58             ` Ævar Arnfjörð Bjarmason
2021-09-22 17:55               ` Neeraj Singh
2021-09-22 20:01                 ` Ævar Arnfjörð Bjarmason
2021-09-20 22:15       ` [PATCH v4 6/6] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-24 20:12       ` [PATCH v5 0/7] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 1/7] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 2/7] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 3/7] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-24 21:47           ` Neeraj Singh
2021-09-24 20:12         ` [PATCH v5 4/7] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-24 21:49           ` Neeraj Singh
2021-09-24 20:12         ` [PATCH v5 5/7] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 6/7] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-24 20:12         ` [PATCH v5 7/7] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-24 23:31         ` [PATCH v5 0/7] Implement a batched fsync option for core.fsyncObjectFiles Neeraj Singh
2021-09-24 23:53         ` [PATCH v6 0/8] " Neeraj K. Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 1/8] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 2/8] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 3/8] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-25  3:15             ` Bagas Sanjaya
2021-09-27  0:27               ` Neeraj Singh
2021-09-24 23:53           ` [PATCH v6 4/8] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-27 20:07             ` Junio C Hamano
2021-09-27 20:55               ` Neeraj Singh
2021-09-27 21:03                 ` Neeraj Singh
2021-09-27 23:53                   ` Junio C Hamano
2021-09-24 23:53           ` [PATCH v6 5/8] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 6/8] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 7/8] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-24 23:53           ` [PATCH v6 8/8] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-09-28 23:32           ` [PATCH v7 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 1/9] object-file.c: do not rename in a temp odb Neeraj Singh via GitGitGadget
2021-09-28 23:55               ` Jeff King
2021-09-29  0:10                 ` Neeraj Singh
2021-09-28 23:32             ` [PATCH v7 2/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-09-29  8:41               ` Elijah Newren
2021-09-29 16:40                 ` Neeraj Singh
2021-09-28 23:32             ` [PATCH v7 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-09-28 23:32             ` [PATCH v7 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-10-04 16:57             ` [PATCH v8 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 1/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 2/9] tmp-objdir: disable ref updates when replacing the primary odb Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-10-04 16:57               ` [PATCH v8 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-11-15 23:50               ` [PATCH v9 0/9] Implement a batched fsync option for core.fsyncObjectFiles Neeraj K. Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 1/9] tmp-objdir: new API for creating temporary writable databases Neeraj Singh via GitGitGadget
2021-11-30 21:27                   ` Elijah Newren
2021-11-30 21:52                     ` Neeraj Singh
2021-11-30 22:36                       ` Elijah Newren
2021-11-15 23:50                 ` [PATCH v9 2/9] tmp-objdir: disable ref updates when replacing the primary odb Neeraj Singh via GitGitGadget
2021-11-16  7:23                   ` Ævar Arnfjörð Bjarmason
2021-11-16 20:38                     ` Neeraj Singh
2021-11-15 23:50                 ` [PATCH v9 3/9] bulk-checkin: rename 'state' variable and separate 'plugged' boolean Neeraj Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 4/9] core.fsyncobjectfiles: batched disk flushes Neeraj Singh via GitGitGadget
2021-11-15 23:50                 ` [PATCH v9 5/9] core.fsyncobjectfiles: add windows support for batch mode Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 6/9] update-index: use the bulk-checkin infrastructure Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 7/9] unpack-objects: " Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 8/9] core.fsyncobjectfiles: tests for batch mode Neeraj Singh via GitGitGadget
2021-11-15 23:51                 ` [PATCH v9 9/9] core.fsyncobjectfiles: performance tests for add and stash Neeraj Singh via GitGitGadget
2021-11-16  8:02                 ` [PATCH v9 0/9] Implement a batched fsync option for core.fsyncObjectFiles Ævar Arnfjörð Bjarmason
2021-11-17  7:06                   ` Neeraj Singh
2021-11-17  7:24                     ` Ævar Arnfjörð Bjarmason
2021-11-18  5:03                       ` Neeraj Singh
2021-12-01 14:15                         ` Ævar Arnfjörð Bjarmason
2022-03-09 23:02                           ` Ævar Arnfjörð Bjarmason
2022-03-10  1:16                             ` Neeraj Singh
2022-03-10 14:01                               ` Ævar Arnfjörð Bjarmason
2022-03-10 17:52                                 ` Neeraj Singh
2022-03-10 18:08                                   ` rsbecker
2022-03-10 18:43                                     ` Neeraj Singh
2022-03-10 18:48                                       ` rsbecker

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