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bisect: add tests to document expected behaviour in presence of broken trees.

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If the repo is broken, we expect bisect to fail.

Signed-off-by: Jon Seymour <jon.seymour@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jon Seymour 2011-08-04 22:00:59 +10:00 committed by Junio C Hamano
parent 6ba7acffdd
commit d3dfeedf2e
1 changed files with 48 additions and 0 deletions
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48
t/t6030-bisect-porcelain.sh
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@ -581,5 +581,53 @@ test_expect_success 'erroring out when using bad path parameters' '
' '
# #
# This creates a broken branch which cannot be checked out because
# the tree created has been deleted.
# #
# H1-H2-H3-H4-H5-H6-H7 <--other
# \
# S5-S6'-S7'-S8'-S9 <--broken
#
# Commits marked with ' have a missing tree.
#
test_expect_success 'broken branch creation' '
git bisect reset &&
git checkout -b broken $HASH4 &&
git tag BROKEN_HASH4 $HASH4 &&
add_line_into_file "5(broken): first line on a broken branch" hello2 &&
git tag BROKEN_HASH5 &&
mkdir missing &&
:> missing/MISSING &&
git add missing/MISSING &&
git commit -m "6(broken): Added file that will be deleted"
git tag BROKEN_HASH6 &&
add_line_into_file "7(broken): second line on a broken branch" hello2 &&
git tag BROKEN_HASH7 &&
add_line_into_file "8(broken): third line on a broken branch" hello2 &&
git tag BROKEN_HASH8 &&
git rm missing/MISSING &&
git commit -m "9(broken): Remove missing file"
git tag BROKEN_HASH9 &&
rm .git/objects/39/f7e61a724187ab767d2e08442d9b6b9dab587d
'
echo "" > expected.ok
cat > expected.missing-tree.default <<EOF
fatal: unable to read tree 39f7e61a724187ab767d2e08442d9b6b9dab587d
EOF
test_expect_success 'bisect fails if tree is broken on start commit' '
git bisect reset &&
test_must_fail git bisect start BROKEN_HASH7 BROKEN_HASH4 2>error.txt &&
test_cmp expected.missing-tree.default error.txt
'
test_expect_success 'bisect fails if tree is broken on trial commit' '
git bisect reset &&
test_must_fail git bisect start BROKEN_HASH9 BROKEN_HASH4 2>error.txt &&
git reset --hard broken &&
git checkout broken &&
test_cmp expected.missing-tree.default error.txt
'
test_done test_done