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git/t/t6300-for-each-ref.sh
Junio C Hamano 41ac414ea2 Sane use of test_expect_failure
Originally, test_expect_failure was designed to be the opposite
of test_expect_success, but this was a bad decision.  Most tests
run a series of commands that leads to the single command that
needs to be tested, like this:

    test_expect_{success,failure} 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        what is to be tested
    '

And expecting a failure exit from the whole sequence misses the
point of writing tests.  Your setup$N that are supposed to
succeed may have failed without even reaching what you are
trying to test.  The only valid use of test_expect_failure is to
check a trivial single command that is expected to fail, which
is a minority in tests of Porcelain-ish commands.

This large-ish patch rewrites all uses of test_expect_failure to
use test_expect_success and rewrites the condition of what is
tested, like this:

    test_expect_success 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        ! this command should fail
    '

test_expect_failure is redefined to serve as a reminder that
that test *should* succeed but due to a known breakage in git it
currently does not pass.  So if git-foo command should create a
file 'bar' but you discovered a bug that it doesn't, you can
write a test like this:

    test_expect_failure 'git-foo should create bar' '
        rm -f bar &&
        git foo &&
        test -f bar
    '

This construct acts similar to test_expect_success, but instead
of reporting "ok/FAIL" like test_expect_success does, the
outcome is reported as "FIXED/still broken".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-01 20:49:34 -08:00

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#!/bin/sh
#
# Copyright (c) 2007 Andy Parkins
#
test_description='for-each-ref test'
. ./test-lib.sh
# Mon Jul 3 15:18:43 2006 +0000
datestamp=1151939923
setdate_and_increment () {
GIT_COMMITTER_DATE="$datestamp +0200"
datestamp=$(expr "$datestamp" + 1)
GIT_AUTHOR_DATE="$datestamp +0200"
datestamp=$(expr "$datestamp" + 1)
export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
}
test_expect_success 'Create sample commit with known timestamp' '
setdate_and_increment &&
echo "Using $datestamp" > one &&
git add one &&
git commit -m "Initial" &&
setdate_and_increment &&
git tag -a -m "Tagging at $datestamp" testtag
'
test_expect_success 'Check atom names are valid' '
bad=
for token in \
refname objecttype objectsize objectname tree parent \
numparent object type author authorname authoremail \
authordate committer committername committeremail \
committerdate tag tagger taggername taggeremail \
taggerdate creator creatordate subject body contents
do
git for-each-ref --format="$token=%($token)" refs/heads || {
bad=$token
break
}
done
test -z "$bad"
'
test_expect_success 'Check invalid atoms names are errors' '
! git-for-each-ref --format="%(INVALID)" refs/heads
'
test_expect_success 'Check format specifiers are ignored in naming date atoms' '
git-for-each-ref --format="%(authordate)" refs/heads &&
git-for-each-ref --format="%(authordate:default) %(authordate)" refs/heads &&
git-for-each-ref --format="%(authordate) %(authordate:default)" refs/heads &&
git-for-each-ref --format="%(authordate:default) %(authordate:default)" refs/heads
'
test_expect_success 'Check valid format specifiers for date fields' '
git-for-each-ref --format="%(authordate:default)" refs/heads &&
git-for-each-ref --format="%(authordate:relative)" refs/heads &&
git-for-each-ref --format="%(authordate:short)" refs/heads &&
git-for-each-ref --format="%(authordate:local)" refs/heads &&
git-for-each-ref --format="%(authordate:iso8601)" refs/heads &&
git-for-each-ref --format="%(authordate:rfc2822)" refs/heads
'
test_expect_success 'Check invalid format specifiers are errors' '
! git-for-each-ref --format="%(authordate:INVALID)" refs/heads
'
cat >expected <<\EOF
'refs/heads/master' 'Mon Jul 3 17:18:43 2006 +0200' 'Mon Jul 3 17:18:44 2006 +0200'
'refs/tags/testtag' 'Mon Jul 3 17:18:45 2006 +0200'
EOF
test_expect_success 'Check unformatted date fields output' '
(git for-each-ref --shell --format="%(refname) %(committerdate) %(authordate)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate)" refs/tags) >actual &&
git diff expected actual
'
test_expect_success 'Check format "default" formatted date fields output' '
f=default &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
git diff expected actual
'
# Don't know how to do relative check because I can't know when this script
# is going to be run and can't fake the current time to git, and hence can't
# provide expected output. Instead, I'll just make sure that "relative"
# doesn't exit in error
#
#cat >expected <<\EOF
#
#EOF
#
test_expect_success 'Check format "relative" date fields output' '
f=relative &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual
'
cat >expected <<\EOF
'refs/heads/master' '2006-07-03' '2006-07-03'
'refs/tags/testtag' '2006-07-03'
EOF
test_expect_success 'Check format "short" date fields output' '
f=short &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
git diff expected actual
'
cat >expected <<\EOF
'refs/heads/master' 'Mon Jul 3 15:18:43 2006' 'Mon Jul 3 15:18:44 2006'
'refs/tags/testtag' 'Mon Jul 3 15:18:45 2006'
EOF
test_expect_success 'Check format "local" date fields output' '
f=local &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
git diff expected actual
'
cat >expected <<\EOF
'refs/heads/master' '2006-07-03 17:18:43 +0200' '2006-07-03 17:18:44 +0200'
'refs/tags/testtag' '2006-07-03 17:18:45 +0200'
EOF
test_expect_success 'Check format "iso8601" date fields output' '
f=iso8601 &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
git diff expected actual
'
cat >expected <<\EOF
'refs/heads/master' 'Mon, 3 Jul 2006 17:18:43 +0200' 'Mon, 3 Jul 2006 17:18:44 +0200'
'refs/tags/testtag' 'Mon, 3 Jul 2006 17:18:45 +0200'
EOF
test_expect_success 'Check format "rfc2822" date fields output' '
f=rfc2822 &&
(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
git diff expected actual
'
cat >expected <<\EOF
refs/heads/master
refs/tags/testtag
EOF
test_expect_success 'Verify ascending sort' '
git-for-each-ref --format="%(refname)" --sort=refname >actual &&
git diff expected actual
'
cat >expected <<\EOF
refs/tags/testtag
refs/heads/master
EOF
test_expect_success 'Verify descending sort' '
git-for-each-ref --format="%(refname)" --sort=-refname >actual &&
git diff expected actual
'
cat >expected <<\EOF
'refs/heads/master'
'refs/tags/testtag'
EOF
test_expect_success 'Quoting style: shell' '
git for-each-ref --shell --format="%(refname)" >actual &&
git diff expected actual
'
test_expect_success 'Quoting style: perl' '
git for-each-ref --perl --format="%(refname)" >actual &&
git diff expected actual
'
test_expect_success 'Quoting style: python' '
git for-each-ref --python --format="%(refname)" >actual &&
git diff expected actual
'
cat >expected <<\EOF
"refs/heads/master"
"refs/tags/testtag"
EOF
test_expect_success 'Quoting style: tcl' '
git for-each-ref --tcl --format="%(refname)" >actual &&
git diff expected actual
'
for i in "--perl --shell" "-s --python" "--python --tcl" "--tcl --perl"; do
test_expect_success "more than one quoting style: $i" "
git for-each-ref $i 2>&1 | (read line &&
case \$line in
\"error: more than one quoting style\"*) : happy;;
*) false
esac)
"
done
test_done