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Re: [PATCH v2 07/24] t6300: abstract away SHA-1-specific constants

From
Junio C Hamano <gitster@pobox.com>
Date
Feb 24, 2020, 18:01 UTC
Message-ID
<xmqqsgizrhjv.fsf@gitster-ct.c.googlers.com>
In-Reply-To
<20200222201749.937983-8-sandals@crustytoothpaste.net>
"brian m. carlson" <sandals@crustytoothpaste.net> writes:
Show 41 quoted lines
> Adjust the test so that it computes variables for object IDs instead of
> using hard-coded hashes.
>
> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
> ---
>  t/t6300-for-each-ref.sh | 25 ++++++++++++++++---------
>  1 file changed, 16 insertions(+), 9 deletions(-)
>
> diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
> index 9c910ce746..2406b93d35 100755
> --- a/t/t6300-for-each-ref.sh
> +++ b/t/t6300-for-each-ref.sh
> @@ -20,6 +20,10 @@ setdate_and_increment () {
>  }
>  
>  test_expect_success setup '
> +	test_oid_cache <<-EOF &&
> +	disklen sha1:138
> +	disklen sha256:154
> +	EOF
>  	setdate_and_increment &&
>  	echo "Using $datestamp" > one &&
>  	git add one &&
> @@ -50,6 +54,9 @@ test_atom() {
>  	"
>  }
>  
> +hexlen=$(test_oid hexsz)
> +disklen=$(test_oid disklen)
> +
>  test_atom head refname refs/heads/master
>  test_atom head refname: refs/heads/master
>  test_atom head refname:short master
> @@ -82,9 +89,9 @@ test_atom head push:rstrip=-1 refs
>  test_atom head push:strip=1 remotes/myfork/master
>  test_atom head push:strip=-1 master
>  test_atom head objecttype commit
> -test_atom head objectsize 171
> -test_atom head objectsize:disk 138
> -test_atom head deltabase 0000000000000000000000000000000000000000
> +test_atom head objectsize $((131 + hexlen))

171 == 131 + 40 and that is because we are looking at the initial commit, whose contents has a single object name (i.e. its tree).

Makes sense.
Show 15 quoted lines
> +test_atom head objectsize:disk $disklen
> +test_atom head deltabase $ZERO_OID
>  test_atom head objectname $(git rev-parse refs/heads/master)
>  test_atom head objectname:short $(git rev-parse --short refs/heads/master)
>  test_atom head objectname:short=1 $(git rev-parse --short=1 refs/heads/master)
> @@ -125,11 +132,11 @@ test_atom tag refname:short testtag
>  test_atom tag upstream ''
>  test_atom tag push ''
>  test_atom tag objecttype tag
> -test_atom tag objectsize 154
> -test_atom tag objectsize:disk 138
> -test_atom tag '*objectsize:disk' 138
> -test_atom tag deltabase 0000000000000000000000000000000000000000
> -test_atom tag '*deltabase' 0000000000000000000000000000000000000000
> +test_atom tag objectsize $((114 + hexlen))

Likewise, 154 == 114 + 40 because an annotated tag has an object pointer to a single object (i.e. its pointee).

Makes sense, too.
Show 16 quoted lines
> +test_atom tag objectsize:disk $disklen
> +test_atom tag '*objectsize:disk' $disklen
> +test_atom tag deltabase $ZERO_OID
> +test_atom tag '*deltabase' $ZERO_OID
>  test_atom tag objectname $(git rev-parse refs/tags/testtag)
>  test_atom tag objectname:short $(git rev-parse --short refs/tags/testtag)
>  test_atom head objectname:short=1 $(git rev-parse --short=1 refs/heads/master)
> @@ -139,7 +146,7 @@ test_atom tag parent ''
>  test_atom tag numparent ''
>  test_atom tag object $(git rev-parse refs/tags/testtag^0)
>  test_atom tag type 'commit'
> -test_atom tag '*objectname' 'ea122842f48be4afb2d1fc6a4b96c05885ab7463'
> +test_atom tag '*objectname' $(git rev-parse refs/tags/testtag^{})
>  test_atom tag '*objecttype' 'commit'
>  test_atom tag author ''
>  test_atom tag authorname ''
Previous: brian m. carlsonNext: Jeff King
Message 9 of 51 in “SHA-256 stage 4 implementation, part 1/3”
  1. 00/24 SHA-256 stage 4 implementation, part 1/3brian m. carlson, Feb 22, 2020
  2. 01/24 builtin/pack-objects: make hash agnosticbrian m. carlson, Feb 22, 2020
  3. Jeff KingFeb 23, 2020
  4. Jeff KingFeb 24, 2020
  5. brian m. carlsonFeb 24, 2020
  6. Jeff KingFeb 24, 2020
  7. 03/24 hex: introduce parsing variants taking hash algorithmsbrian m. carlson, Feb 22, 2020
  8. 07/24 t6300: abstract away SHA-1-specific constantsbrian m. carlson, Feb 22, 2020
  9. Junio C HamanoFeb 24, 2020
  10. Jeff KingFeb 24, 2020
  11. Junio C HamanoFeb 24, 2020
  12. 12/24 setup: allow check_repository_format to read repository formatbrian m. carlson, Feb 22, 2020
  13. 11/24 t/helper: make repository tests hash independentbrian m. carlson, Feb 22, 2020
  14. 14/24 builtin/init-db: add environment variable for new repo hashbrian m. carlson, Feb 22, 2020
  15. 06/24 t: use hash-specific lookup tables to define test constantsbrian m. carlson, Feb 22, 2020
  16. 10/24 t/helper: initialize repository if necessarybrian m. carlson, Feb 22, 2020
  17. Junio C HamanoFeb 24, 2020
  18. brian m. carlsonFeb 25, 2020
  19. 22/24 fast-import: make find_marks work on any mark setbrian m. carlson, Feb 22, 2020
  20. 19/24 tag: store SHA-256 signatures in a headerbrian m. carlson, Feb 22, 2020
  21. Junio C HamanoFeb 24, 2020
  22. 23/24 fast-import: add a generic function to iterate over marksbrian m. carlson, Feb 22, 2020
  23. 13/24 builtin/init-db: allow specifying hash algorithm on command linebrian m. carlson, Feb 22, 2020
  24. Junio C HamanoFeb 24, 2020
  25. brian m. carlsonFeb 25, 2020
  26. 17/24 commit: use expected signature header for SHA-256brian m. carlson, Feb 22, 2020
  27. Junio C HamanoFeb 24, 2020
  28. 18/24 gpg-interface: improve interface for parsing tagsbrian m. carlson, Feb 22, 2020
  29. Junio C HamanoFeb 24, 2020
  30. Johannes SchindelinFeb 25, 2020
  31. Junio C HamanoFeb 25, 2020
  32. brian m. carlsonFeb 26, 2020
  33. Junio C HamanoFeb 26, 2020
  34. brian m. carlsonFeb 26, 2020
  35. Johannes SchindelinFeb 27, 2020
  36. Junio C HamanoFeb 27, 2020
  37. 20/24 fast-import: permit reading multiple marks filesbrian m. carlson, Feb 22, 2020
  38. Junio C HamanoJun 5, 2020
  39. Junio C HamanoJun 5, 2020
  40. brian m. carlsonJun 5, 2020
  41. Junio C HamanoJun 5, 2020
  42. 24/24 fast-import: add options for rewriting submodulesbrian m. carlson, Feb 22, 2020
  43. 21/24 fast-import: add helper function for inserting mark object entriesbrian m. carlson, Feb 22, 2020
  44. 04/24 hex: add functions to parse hex object IDs in any algorithmbrian m. carlson, Feb 22, 2020
  45. 16/24 worktree: allow repository version 1brian m. carlson, Feb 22, 2020
  46. 05/24 repository: require a build flag to use SHA-256brian m. carlson, Feb 22, 2020
  47. 02/24 hash: implement and use a context cloning functionbrian m. carlson, Feb 22, 2020
  48. 15/24 init-db: move writing repo version into a functionbrian m. carlson, Feb 22, 2020
  49. 08/24 t6300: make hash algorithm independentbrian m. carlson, Feb 22, 2020
  50. 09/24 t/helper/test-dump-split-index: initialize git repositorybrian m. carlson, Feb 22, 2020
  51. Junio C HamanoFeb 24, 2020

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