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From: Junio C Hamano <gitster@pobox.com>
To: Ann T Ropea <bedhanger@gmx.de>
Cc: Philip Oakley <philipoakley@iee.org>,
	Git Mailing List <git@vger.kernel.org>,
	Daniel Barkalow <barkalow@iabervon.org>
Subject: Re: [PATCH v3 5/5] Testing: provide tests requiring them with ellipses after SHA-1 values
Date: Mon, 20 Nov 2017 13:06:22 +0900	[thread overview]
Message-ID: <xmqqzi7hlhkx.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20171119184113.16630-5-bedhanger@gmx.de> (Ann T. Ropea's message of "Sun, 19 Nov 2017 19:41:13 +0100")

Ann T Ropea <bedhanger@gmx.de> writes:

> *1* We are being overly generous in t4013-diff-various.sh because we do
> not want to destroy/take apart the here-document.  Given that all this a
> temporary measure, we should get away with it.

I do not think the patch is being particularly generous.  If
anything, it is being unnecessarily sloppy by not adding new checks
to verify the updated behaviour.

The above comment mentions "destroy/take apart" the here-document,
but I do see no need to destroy anything.  All you need to do is to
enhance and extend.  For example, you could do it like so (this is
written in my e-mail client, and not an output of diff, so the
indentation etc. may be all off, but should be sufficient to
illustrate the idea):

    while read cmd
    do
            case "$cmd" in
            '' | '#'*) continue ;;
            esac
            test=$(echo "$cmd" | sed -e 's|[/ ][/ ]*|_|g')
            pfx=$(printf "%04d" $test_count)
            expect="$TEST_DIRECTORY/t4013/diff.$test"
            actual="$pfx-diff.$test"
   +        case "$cmd" in
   +        X*) cmd=${cmd#X}; no_ellipses=" (no ellipses)" ;;
   +        *) no_ellipses= ;;
   +        esac
   -        test_expect_success "git $cmd" '
   +        test_expect_success "git $cmd$no_ellipses" '
                {
                        echo "\$ git $cmd"
   -                    git $cmd |
   +                    if test -n "$no_ellipses"
   +                    then
   +                            git $cmd
   +                    else
   +                            PRINT_SHA1_ELLIPSES=yes git $cmd
   +                    fi |
                        sed -e ....
        ...
    done <<\EOF
    diff-tree initial
    diff-tree -r initial
    diff-tree -r --abbrev initial
    diff-tree -r --abbrev=4 initial
   +Xdiff-tree -r --abbrev=4 initial
    ...
    EOF

There is a new and duplicated line with a prefix X for one existing
test in the above.  The idea is that the ones marked as such will
test and verify the effect of this new behaviour by not setting the
environment variable.  The expected and actual test output for the
new test will have X prefixed to it.  t4013 is arranged in such a
way that it is easy to add a new test like this---you only need to
add an expected output in a new file in t/t4013/. directory.  And
the output with these ellipses removed will be something we would
expect see in the new world (without the escape hatch environment
variable), we would need to add a new file there to record what the
expected output from the command is.

I singled out the diff-tree invocation with --abbrev=4 as an example
in the above, but in a more thorough final version, we'd need to
cover both "abbreviation with ellipses" and "abbreviation without
ellipses" output for other lines in the test case listed in the
here-document.

  reply	other threads:[~2017-11-20  4:06 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-05 16:27 [PATCH 1/3] checkout: describe_detached_head: remove 3dots after committish Ann T Ropea
2017-11-05 16:27 ` [PATCH 2/3] Documentation: user-manual: limit potentially confusing usage of 3dots (and 2dots) Ann T Ropea
2017-11-05 16:27 ` [PATCH 3/3] Documentation: revisions: add note about 3dots usages as continuation indications Ann T Ropea
2017-11-06  4:34   ` Junio C Hamano
2017-11-06  2:45 ` [PATCH 1/3] checkout: describe_detached_head: remove 3dots after committish Junio C Hamano
2017-11-07  0:30   ` Philip Oakley
2017-11-07  0:52 ` Junio C Hamano
2017-11-07  2:53 ` Ann T Ropea
2017-11-07 23:25   ` Philip Oakley
2017-11-08  1:59     ` Junio C Hamano
2017-11-09 23:15       ` Philip Oakley
2017-11-13 22:36         ` [PATCH v2 1/6] config: introduce core.printsha1ellipsis Ann T Ropea
2017-11-13 22:36         ` [PATCH v2 2/6] checkout: describe_detached_head: remove ellipsis after committish Ann T Ropea
2017-11-13 22:36         ` [PATCH v2 3/6] diff: diff_aligned_abbrev: remove ellipsis after abbreviated SHA-1 value Ann T Ropea
2017-11-14  3:08           ` Junio C Hamano
2017-11-19 17:38             ` Ann T Ropea
2017-11-20  1:48               ` Junio C Hamano
2017-11-19 18:41             ` [PATCH v3 1/5] checkout: describe_detached_head: remove ellipsis after committish Ann T Ropea
2017-11-20  3:35               ` Junio C Hamano
2017-11-19 18:41             ` [PATCH v3 2/5] diff: diff_aligned_abbrev: remove ellipsis after abbreviated SHA-1 value Ann T Ropea
2017-11-19 19:11               ` Eric Sunshine
2017-11-19 18:41             ` [PATCH v3 3/5] Documentation: user-manual: limit usage of ellipsis Ann T Ropea
2017-11-19 19:15               ` Eric Sunshine
2017-11-24 23:53                 ` [PATCH v4 1/6] diff: diff_aligned_abbrev: remove ellipsis after abbreviated SHA-1 value Ann T Ropea
2017-11-25  5:01                   ` Junio C Hamano
2017-11-26  3:17                     ` Junio C Hamano
2017-11-26  3:19                       ` Junio C Hamano
2017-11-26  3:25                       ` Junio C Hamano
2017-12-03 21:27                       ` [PATCH v5 1/7] Documentation: revisions: fix typo: "three dot" ---> "three-dot" (in line with "two-dot") Ann T Ropea
2017-12-04 16:52                         ` Junio C Hamano
2017-12-03 21:27                       ` [PATCH v5 2/7] Documentation: user-manual: limit usage of ellipsis Ann T Ropea
2017-12-03 21:27                       ` [PATCH v5 3/7] print_sha1_ellipsis: introduce helper Ann T Ropea
2017-12-03 21:27                       ` [PATCH v5 4/7] checkout: describe_detached_head: remove ellipsis after committish Ann T Ropea
2017-12-04 16:46                         ` Junio C Hamano
2017-12-04 23:13                           ` [PATCH v6 " Ann T Ropea
2017-12-05 16:03                             ` Junio C Hamano
2017-12-06  0:20                               ` [PATCH v7 " Ann T Ropea
2017-12-06 16:47                                 ` Junio C Hamano
2017-12-06 22:02                                   ` Ann T Ropea
2017-12-03 21:27                       ` [PATCH v5 5/7] t4013: prepare for upcoming "diff --raw --abbrev" output format change Ann T Ropea
2017-12-03 21:27                       ` [PATCH v5 6/7] diff: diff_aligned_abbrev: remove ellipsis after abbreviated SHA-1 value Ann T Ropea
2017-12-03 21:27                       ` [PATCH v5 7/7] t4013: test new output from diff --abbrev --raw Ann T Ropea
2017-11-24 23:53                 ` [PATCH v4 2/6] checkout: describe_detached_head: remove ellipsis after committish Ann T Ropea
2017-11-24 23:53                 ` [PATCH v4 3/6] Documentation: user-manual: limit usage of ellipsis Ann T Ropea
2017-11-24 23:53                 ` [PATCH v4 4/6] Documentation: revisions: fix typo: "three dot" ---> "three-dot" (in line with "two-dot") Ann T Ropea
2017-11-24 23:53                 ` [PATCH v4 5/6] Documentation: git: document GIT_PRINT_SHA1_ELLIPSIS Ann T Ropea
2017-11-24 23:53                 ` [PATCH v4 6/6] Testing: provide existing tests requiring them with ellipses after SHA-1 values Ann T Ropea
2017-11-19 18:41             ` [PATCH v3 4/5] Documentation: revisions: fix typo: "three dot" ---> "three-dot" (in line with "two-dot") Ann T Ropea
2017-11-19 18:41             ` [PATCH v3 5/5] Testing: provide tests requiring them with ellipses after SHA-1 values Ann T Ropea
2017-11-20  4:06               ` Junio C Hamano [this message]
2017-11-20 12:25                 ` Philip Oakley
2017-11-22  5:53                   ` Junio C Hamano
2017-11-22 23:41                     ` Philip Oakley
2017-11-24  0:40                       ` Junio C Hamano
2017-11-13 22:36         ` [PATCH v2 4/6] Documentation: user-manual: limit usage of ellipsis Ann T Ropea
2017-11-13 22:36         ` [PATCH v2 5/6] Documentation: revisions: fix typo: "three dot" ---> "three-dot" (in line with "two-dot") Ann T Ropea
2017-11-13 22:36         ` [PATCH v2 6/6] Testing: provide tests requiring them with ellipses after SHA-1 values Ann T Ropea
2017-11-14  3:20           ` Junio C Hamano

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