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bisect: add test cases to check that "git bisect start" is atomic

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This patch adds some test cases to check that "git bisect start"
doesn't leave us in a bad state, especially when it fails.

These test cases show that "git bisect start" is not atomic when it
fails and leave some files like .git/BISECT_START, and in some
cases some refs, over.

The test failures should be fixed in latter commits.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2008-05-23 00:38:46 +02:00 committed by Junio C Hamano
parent 1af8bca797
commit d3aca58562
1 changed files with 43 additions and 0 deletions
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43
t/t6030-bisect-porcelain.sh
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@ -126,6 +126,49 @@ test_expect_success 'bisect reset removes packed refs' '
test -z "$(git for-each-ref "refs/heads/bisect")"
'
test_expect_success 'bisect start: back in good branch' '
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
git bisect start $HASH4 $HASH1 -- &&
git bisect good &&
git bisect start $HASH4 $HASH1 -- &&
git bisect bad &&
git bisect reset &&
git branch > branch.output &&
grep "* other" branch.output > /dev/null
'
test_expect_failure 'bisect start: no ".git/BISECT_START" if junk rev' '
git bisect start $HASH4 $HASH1 -- &&
git bisect good &&
test_must_fail git bisect start $HASH4 foo -- &&
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
test_must_fail test -e .git/BISECT_START
'
test_expect_failure 'bisect start: no ".git/BISECT_START" if mistaken rev' '
git bisect start $HASH4 $HASH1 -- &&
git bisect good &&
test_must_fail git bisect start $HASH1 $HASH4 -- &&
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
test_must_fail test -e .git/BISECT_START
'
test_expect_failure 'bisect start: no ".git/BISECT_START" if checkout error' '
echo "temp stuff" > hello &&
test_must_fail git bisect start $HASH4 $HASH1 -- &&
git branch &&
git branch > branch.output &&
grep "* other" branch.output > /dev/null &&
test_must_fail test -e .git/BISECT_START &&
test -z "$(git for-each-ref "refs/bisect/*")"
'
# This cleanup is needed whatever the result of the above test.
git checkout HEAD hello
# $HASH1 is good, $HASH4 is bad, we skip $HASH3
# but $HASH2 is bad,
# so we should find $HASH2 as the first bad commit