Re: [PATCH v3 07/24] multi-pack-index: expand test data

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On 7/6/2018 12:36 AM, Eric Sunshine wrote:
On Thu, Jul 5, 2018 at 8:54 PM Derrick Stolee <stolee@xxxxxxxxx> wrote:

+       for i in $(test_seq 6 10)
+       do
+               iii=$(printf '%03i' $i)
+               test-tool genrandom "bar" 200 >wide_delta_$iii &&
+               test-tool genrandom "baz $iii" 50 >>wide_delta_$iii &&
+               test-tool genrandom "foo"$i 100 >deep_delta_$iii &&
+               test-tool genrandom "foo"$(expr $i + 1) 100 >>deep_delta_$iii &&
+               test-tool genrandom "foo"$(expr $i + 2) 100 >>deep_delta_$iii &&
+               echo $iii >file_$iii &&
+               test-tool genrandom "$iii" 8192 >>file_$iii &&
+               git update-index --add file_$iii deep_delta_$iii wide_delta_$iii &&
+               i=$(expr $i + 1) || return 1
+       done &&
+       { echo 101 && test-tool genrandom 100 8192; } >file_101 &&
+       git update-index --add file_101 &&
+       tree=$(git write-tree) &&
+       commit=$(git commit-tree $tree -p HEAD</dev/null) && {
+       echo $tree &&
+       git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)        .*/\\1/"
+       } >obj-list2 &&
+       git update-ref HEAD $commit
+'
There seems to be a fair bit of duplication in these tests which
create objects. Is it possible to factor out some of this code into a
shell function?

In addition to the other small changes, this refactor in particular was a big change (but a good one). I'm sending my current progress in this direction, as I expect this can be improved.

To make the commit_and_list_objects method more generic to all situations, I had to add an extra commit, which will cause some of the numbers to change in the later 'midx_read_expect' calls.

Thanks,

-Stolee

-->8--

From cb38bb284fd05cf2230725b6cb9ead5795c913f2 Mon Sep 17 00:00:00 2001
From: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
Date: Thu, 31 May 2018 15:05:00 -0400
Subject: [PATCH] t5319: expand test data

As we build the multi-pack-index file format, we want to test the format
on real repositories. Add tests that create repository data including
multiple packfiles with both version 1 and version 2 formats.

The current 'git multi-pack-index write' command will always write the
same file with no "real" data. This will be expanded in future commits,
along with the test expectations.

Signed-off-by: Derrick Stolee <dstolee@xxxxxxxxxxxxx>
---
 t/t5319-multi-pack-index.sh | 83 +++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
index 2ecc369529..a50be41bc0 100755
--- a/t/t5319-multi-pack-index.sh
+++ b/t/t5319-multi-pack-index.sh
@@ -13,9 +13,92 @@ midx_read_expect () {
 }

 test_expect_success 'write midx with no packs' '
+       test_when_finished rm -f pack/multi-pack-index &&
        git multi-pack-index --object-dir=. write &&
        test_path_is_file pack/multi-pack-index &&
        midx_read_expect
 '

+generate_objects () {
+       i=$1
+       iii=$(printf '%03i' $i)
+       {
+               test-tool genrandom "bar" 200 &&
+               test-tool genrandom "baz $iii" 50
+       } >wide_delta_$iii &&
+       {
+               test-tool genrandom "foo"$i 100 &&
+               test-tool genrandom "foo"$(( $i + 1 )) 100 &&
+               test-tool genrandom "foo"$(( $i + 2 )) 100
+       } >>deep_delta_$iii &&
+       echo $iii >file_$iii &&
+       test-tool genrandom "$iii" 8192 >>file_$iii &&
+       git update-index --add file_$iii deep_delta_$iii wide_delta_$iii
+}
+
+commit_and_list_objects () {
+       {
+               echo 101 &&
+               test-tool genrandom 100 8192;
+       } >file_101 &&
+       git update-index --add file_101 &&
+       tree=$(git write-tree) &&
+       commit=$(git commit-tree $tree -p HEAD</dev/null) &&
+       {
+               echo $tree &&
+               git ls-tree $tree | sed -e "s/.* \\([0-9a-f]*\\)        .*/\\1/"
+       } >obj-list &&
+       git reset --hard $commit
+}
+
+test_expect_success 'create objects' '
+       test_commit initial &&
+       for i in $(test_seq 1 5)
+       do
+               generate_objects $i
+       done &&
+       commit_and_list_objects
+'
+
+test_expect_success 'write midx with one v1 pack' '
+       pack=$(git pack-objects --index-version=1 pack/test <obj-list) &&
+       test_when_finished rm pack/test-$pack.pack pack/test-$pack.idx pack/multi-pack-index &&
+       git multi-pack-index --object-dir=. write &&
+       midx_read_expect
+'
+
+test_expect_success 'write midx with one v2 pack' '
+       git pack-objects --index-version=2,0x40 pack/test <obj-list &&
+       git multi-pack-index --object-dir=. write &&
+       midx_read_expect
+'
+
+test_expect_success 'add more objects' '
+       for i in $(test_seq 6 10)
+       do
+               generate_objects $i
+       done &&
+       commit_and_list_objects
+'
+
+test_expect_success 'write midx with two packs' '
+       git pack-objects --index-version=1 pack/test-2 <obj-list &&
+       git multi-pack-index --object-dir=. write &&
+       midx_read_expect
+'
+
+test_expect_success 'add more packs' '
+       for j in $(test_seq 1 10)
+       do
+               generate_objects $j &&
+               commit_and_list_objects &&
+               git pack-objects --index-version=2 test-pack <obj-list
+       done
+'
+
+test_expect_success 'write midx with twelve packs' '
+       git multi-pack-index --object-dir=. write &&
+       midx_read_expect
+'
+
 test_done
--
2.18.0.118.gd4f65b8d14




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