From: Elijah Newren <redacted>
Add a simple test where a removed file is similar to two different added
files; one of them has the same basename, and the other has a slightly
higher content similarity. In the current test, content similarity is
weighted higher than filename similarity.
Subsequent commits will add a new rule that weighs a mixture of filename
similarity and content similarity in a manner that will change the
outcome of this testcase.
Signed-off-by: Elijah Newren <redacted>
---
t/t4001-diff-rename.sh | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/t/t4001-diff-rename.sh b/t/t4001-diff-rename.sh
index c16486a9d41a..0f97858197e1 100755
--- a/t/t4001-diff-rename.sh
+++ b/t/t4001-diff-rename.sh
@@ -262,4 +262,27 @@ test_expect_success 'diff-tree -l0 defaults to a big rename limit, not zero' '
grep "myotherfile.*myfile" actual
'
+test_expect_success 'basename similarity vs best similarity' '
+ mkdir subdir &&
+ test_write_lines line1 line2 line3 line4 line5 \
+ line6 line7 line8 line9 line10 >subdir/file.txt &&
+ git add subdir/file.txt &&
+ git commit -m "base txt" &&
+
+ git rm subdir/file.txt &&
+ test_write_lines line1 line2 line3 line4 line5 \
+ line6 line7 line8 >file.txt &&
+ test_write_lines line1 line2 line3 line4 line5 \
+ line6 line7 line8 line9 >file.md &&
+ git add file.txt file.md &&
+ git commit -a -m "rename" &&
+ git diff-tree -r -M --name-status HEAD^ HEAD >actual &&
+ # subdir/file.txt is 88% similar to file.md and 78% similar to file.txt
+ cat >expected <<-\EOF &&
+ R088 subdir/file.txt file.md
+ A file.txt
+ EOF
+ test_cmp expected actual
+'
+
test_done
--
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