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directory rename detection: directory splitting testcases

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Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren
2018-02-14 10:51:39 -08:00
committed by Junio C Hamano
parent eabbebfbe0
commit 740e4bdac6
1 changed files with 143 additions and 0 deletions
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143
t/t6043-merge-rename-directories.sh
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@ -439,4 +439,147 @@ test_expect_failure '1f-check: Split a directory into two other directories' '
# in section 2, plus testcases 3a and 4a.
###########################################################################
###########################################################################
# SECTION 2: Split into multiple directories, with equal number of paths
#
# Explore the splitting-a-directory rules a bit; what happens in the
# edge cases?
#
# Note that there is a closely related case of a directory not being
# split on either side of history, but being renamed differently on
# each side. See testcase 8e for that.
###########################################################################
# Testcase 2a, Directory split into two on one side, with equal numbers of paths
# Commit O: z/{b,c}
# Commit A: y/b, w/c
# Commit B: z/{b,c,d}
# Expected: y/b, w/c, z/d, with warning about z/ -> (y/ vs. w/) conflict
test_expect_success '2a-setup: Directory split into two on one side, with equal numbers of paths' '
test_create_repo 2a &&
(
cd 2a &&
mkdir z &&
echo b >z/b &&
echo c >z/c &&
git add z &&
test_tick &&
git commit -m "O" &&
git branch O &&
git branch A &&
git branch B &&
git checkout A &&
mkdir y &&
mkdir w &&
git mv z/b y/ &&
git mv z/c w/ &&
test_tick &&
git commit -m "A" &&
git checkout B &&
echo d >z/d &&
git add z/d &&
test_tick &&
git commit -m "B"
)
'
test_expect_failure '2a-check: Directory split into two on one side, with equal numbers of paths' '
(
cd 2a &&
git checkout A^0 &&
test_must_fail git merge -s recursive B^0 >out &&
test_i18ngrep "CONFLICT.*directory rename split" out &&
git ls-files -s >out &&
test_line_count = 3 out &&
git ls-files -u >out &&
test_line_count = 0 out &&
git ls-files -o >out &&
test_line_count = 1 out &&
git rev-parse >actual \
:0:y/b :0:w/c :0:z/d &&
git rev-parse >expect \
O:z/b O:z/c B:z/d &&
test_cmp expect actual
)
'
# Testcase 2b, Directory split into two on one side, with equal numbers of paths
# Commit O: z/{b,c}
# Commit A: y/b, w/c
# Commit B: z/{b,c}, x/d
# Expected: y/b, w/c, x/d; No warning about z/ -> (y/ vs. w/) conflict
test_expect_success '2b-setup: Directory split into two on one side, with equal numbers of paths' '
test_create_repo 2b &&
(
cd 2b &&
mkdir z &&
echo b >z/b &&
echo c >z/c &&
git add z &&
test_tick &&
git commit -m "O" &&
git branch O &&
git branch A &&
git branch B &&
git checkout A &&
mkdir y &&
mkdir w &&
git mv z/b y/ &&
git mv z/c w/ &&
test_tick &&
git commit -m "A" &&
git checkout B &&
mkdir x &&
echo d >x/d &&
git add x/d &&
test_tick &&
git commit -m "B"
)
'
test_expect_success '2b-check: Directory split into two on one side, with equal numbers of paths' '
(
cd 2b &&
git checkout A^0 &&
git merge -s recursive B^0 >out &&
git ls-files -s >out &&
test_line_count = 3 out &&
git ls-files -u >out &&
test_line_count = 0 out &&
git ls-files -o >out &&
test_line_count = 1 out &&
git rev-parse >actual \
:0:y/b :0:w/c :0:x/d &&
git rev-parse >expect \
O:z/b O:z/c B:x/d &&
test_cmp expect actual &&
test_i18ngrep ! "CONFLICT.*directory rename split" out
)
'
###########################################################################
# Rules suggested by section 2:
#
# None; the rule was already covered in section 1. These testcases are
# here just to make sure the conflict resolution and necessary warning
# messages are handled correctly.
###########################################################################
test_done