[PATCH v4 05/34] directory rename detection: directory splitting testcases
Signed-off-by: Elijah Newren <newren@gmail.com>
---
t/t6043-merge-rename-directories.sh | 137 ++++++++++++++++++++++++++++++++++++
1 file changed, 137 insertions(+)
diff --git a/t/t6043-merge-rename-directories.sh b/t/t6043-merge-rename-directories.sh
index d8ead7c56b..335aa1c145 100755
--- a/t/t6043-merge-rename-directories.sh
+++ b/t/t6043-merge-rename-directories.sh
@@ -427,4 +427,141 @@ 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 3 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -u | wc -l) &&
+ test 1 -eq $(git ls-files -o | wc -l) &&
+
+ 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 &&
+ test_i18ngrep "CONFLICT.*directory rename split" out
+ )
+'
+
+# 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 &&
+
+ test 3 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -u | wc -l) &&
+ test 1 -eq $(git ls-files -o | wc -l) &&
+
+ 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
--
2.15.0.408.g850bc54b15
Elijah Newren <newren@gmail.com>