Re: [PATCH 00/11] t: reduce direct disk access to data structures

[Patrick Steinhardt <ps@pks.im>]

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On Wed, Oct 18, 2023 at 07:35:03AM +0200, Patrick Steinhardt wrote:
> Hi,
> 
> this patch series refactors a bunch of our tests to perform less direct
> disk access to on-disk data structures. Instead, the tests are converted
> to use Git tools or our test-tool to access data to the best extent
> possible. This serves two benefits:
> 
>     - We increase test coverage of our own code base.
> 
>     - We become less dependent on the actual on-disk format.
> 
> The main motivation for this patch series was the second bullet point as
> it is preparatory work to get the reftable backend upstreamed. My intent
> is to get rid of many or even most of the current blockers in the Git
> project before trying to send the reftable implementation upstream.
> While this will be a lot of up-front work that is going to span over a
> long time period, I think this approach will make everyones live easier
> by doing comparatively small and incremental improvements to the Git
> project. Ultimately, the final patch series should in the best case only
> contain the new backend as well as testing infrastructure, but not much
> else.
> 
> Patrick

As usual, I forgot to mention that this applies on top of current
master, which is at a9ecda2788 (The eighteenth batch, 2023-10-13) at the
time of writing. I look forward to the day where I remember to include
this information in the cover letter...

Patrick

> Patrick Steinhardt (11):
>   t: add helpers to test for reference existence
>   t: allow skipping expected object ID in `ref-store update-ref`
>   t: convert tests to use helpers for reference existence
>   t: convert tests to not write references via the filesystem
>   t: convert tests to not access symrefs via the filesystem
>   t: convert tests to not access reflog via the filesystem
>   t1450: convert tests to remove worktrees via git-worktree(1)
>   t4207: delete replace references via git-update-ref(1)
>   t7300: assert exact states of repo
>   t7900: assert the absence of refs via git-for-each-ref(1)
>   t: mark several tests that assume the files backend with REFFILES
> 
>  t/README                           |  9 ++++
>  t/helper/test-ref-store.c          | 38 +++++++++++++--
>  t/t1400-update-ref.sh              | 49 ++++++++++----------
>  t/t1430-bad-ref-name.sh            | 39 ++++++++++------
>  t/t1450-fsck.sh                    | 46 ++++++++++---------
>  t/t2011-checkout-invalid-head.sh   | 16 +++----
>  t/t3200-branch.sh                  | 74 ++++++++++++++++--------------
>  t/t3400-rebase.sh                  |  2 +-
>  t/t3404-rebase-interactive.sh      |  2 +-
>  t/t4013-diff-various.sh            |  2 +-
>  t/t4202-log.sh                     |  2 +-
>  t/t4207-log-decoration-colors.sh   |  4 +-
>  t/t5521-pull-options.sh            |  4 +-
>  t/t5526-fetch-submodules.sh        |  2 +-
>  t/t5605-clone-local.sh             |  6 +--
>  t/t5702-protocol-v2.sh             | 24 +++++++---
>  t/t7300-clean.sh                   | 23 ++++++----
>  t/t7900-maintenance.sh             |  3 +-
>  t/t9133-git-svn-nested-git-repo.sh |  2 +-
>  t/test-lib-functions.sh            | 66 ++++++++++++++++++++++++++
>  20 files changed, 277 insertions(+), 136 deletions(-)
> 
> -- 
> 2.42.0
> 



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