Re: [PATCH v2 04/21] t: use test_cmp_rev() where appropriate

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On Sun, Apr 10, 2016 at 9:18 AM, Stephan Beyer <s-beyer@xxxxxxx> wrote:
> test_cmp_rev() from t/test-lib-functions.sh is used to make many
> tests clearer.
>
> Signed-off-by: Stephan Beyer <s-beyer@xxxxxxx>
> ---
> diff --git a/t/t3310-notes-merge-manual-resolve.sh b/t/t3310-notes-merge-manual-resolve.sh
> @@ -537,8 +537,8 @@ EOF
>         test -f .git/NOTES_MERGE_WORKTREE/$commit_sha3 &&
>         test -f .git/NOTES_MERGE_WORKTREE/$commit_sha4 &&
>         # Refs are unchanged
> -       test "$(git rev-parse refs/notes/m)" = "$(git rev-parse refs/notes/w)" &&
> -       test "$(git rev-parse refs/notes/y)" = "$(git rev-parse NOTES_MERGE_PARTIAL^1)" &&
> +       test_cmp_rev refs/notes/m refs/notes/w &&
> +       test_cmp_rev refs/notes/y NOTES_MERGE_PARTIAL^1 &&
>         test "$(git rev-parse refs/notes/m)" != "$(git rev-parse NOTES_MERGE_PARTIAL^1)" &&

Does this one deserve the same type of treatment (but prefixed with !)?

    ! test_cmp_rev refs/notes/m NOTES_MERGE_PARTIAL^1

I could understand avoiding this conversion if temp_cmp_rev was still
noisy upon failure, however patch 3/21 silenced it.

Aside: Would make sense for test_cmp_rev to accept an optional ! as
its first argument to signify that the revs should not match?

>         # Mention refs/notes/m, and its current and expected value in output
>         grep -q "refs/notes/m" output &&
> diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh
> @@ -354,8 +354,8 @@ test_expect_success '--remap-to-ancestor with filename filters' '
> -       test $(git rev-parse moved-foo) = $(git rev-parse moved-bar) &&
> -       test $(git rev-parse moved-foo) = $(git rev-parse master^) &&
> +       test_cmp_rev moved-foo moved-bar &&
> +       test_cmp_rev moved-foo master^ &&
>         test $orig_invariant = $(git rev-parse invariant)

At other places in this patch, you also converted lines such as the
above, so why not here?

    test_cmp_rev invariant $orig_invariant

>  '
>
> @@ -372,8 +372,8 @@ test_expect_success 'automatic remapping to ancestor with filename filters' '
> -       test $(git rev-parse moved-foo2) = $(git rev-parse moved-bar2) &&
> -       test $(git rev-parse moved-foo2) = $(git rev-parse master^) &&
> +       test_cmp_rev moved-foo2 moved-bar2 &&
> +       test_cmp_rev moved-foo2 master^ &&
>         test $orig_invariant = $(git rev-parse invariant2)

Ditto.

>  '
>
> diff --git a/t/t7601-merge-pull-config.sh b/t/t7601-merge-pull-config.sh
> @@ -79,17 +79,16 @@ test_expect_success 'merge c1 with c2 and c3 (recursive in pull.octopus)' '
>  test_expect_success 'merge c1 with c2 and c3 (recursive and octopus in pull.octopus)' '
>         git reset --hard c1 &&
>         git config pull.octopus "recursive octopus" &&
>         git merge c2 c3 &&
> -       test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
> -       test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
> -       test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
> -       test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
> +       test_cmp_rev c1 HEAD^1 &&
> +       test_cmp_rev c2 HEAD^2 &&
> +       test_cmp_rev c3 HEAD^3 &&

This drops the check:

    ! test_cmp_rev c1 HEAD &&

Is that intentional? I suppose the argument is that if c1 == HEAD^1
passes, then c1 is certainly not == HEAD?

> diff --git a/t/t7603-merge-reduce-heads.sh b/t/t7603-merge-reduce-heads.sh
> @@ -46,11 +46,10 @@ test_expect_success 'setup' '
>  test_expect_success 'merge c1 with c2, c3, c4, c5' '
>         git reset --hard c1 &&
>         git merge c2 c3 c4 c5 &&
> -       test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
> -       test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
> -       test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
> -       test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
> -       test "$(git rev-parse c5)" = "$(git rev-parse HEAD^4)" &&
> +       test_cmp_rev c1 HEAD^1 &&
> +       test_cmp_rev c2 HEAD^2 &&
> +       test_cmp_rev c3 HEAD^3 &&
> +       test_cmp_rev c5 HEAD^4 &&

Ditto.

> @@ -69,11 +68,10 @@ test_expect_success 'merge c1 with c2, c3, c4, c5' '
>  test_expect_success 'pull c2, c3, c4, c5 into c1' '
>         git reset --hard c1 &&
>         git pull . c2 c3 c4 c5 &&
> -       test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
> -       test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
> -       test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
> -       test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
> -       test "$(git rev-parse c5)" = "$(git rev-parse HEAD^4)" &&
> +       test_cmp_rev c1 HEAD^1 &&
> +       test_cmp_rev c2 HEAD^2 &&
> +       test_cmp_rev c3 HEAD^3 &&
> +       test_cmp_rev c5 HEAD^4 &&

Ditto.

> diff --git a/t/t7605-merge-resolve.sh b/t/t7605-merge-resolve.sh
> @@ -30,9 +30,8 @@ test_expect_success 'setup' '
>  test_expect_success 'merge c1 to c2' '
>         git reset --hard c1 &&
>         git merge -s resolve c2 &&
> -       test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
> -       test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
> -       test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
> +       test_cmp_rev c1 HEAD^1 &&
> +       test_cmp_rev c2 HEAD^2 &&

Ditto.
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