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Add a test where all pairs in a hunk become context

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Sven van Heugten 2026-03-05 20:42:13 +01:00
parent 8ebcba623e
commit a19a77f105
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1 changed files with 19 additions and 0 deletions
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test/mechanicaldiff.bats
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@ -156,3 +156,22 @@ setup() {
output_normalized="$(printf '%s\n' "$output" | sed -e '/^index /d')" output_normalized="$(printf '%s\n' "$output" | sed -e '/^index /d')"
assert_equal "$expected" "$output_normalized" assert_equal "$expected" "$output_normalized"
} }
@test "drops hunk when all pairs become context" {
cat >"$BATS_TEST_TMPDIR/old" <<-'EOF'
foo
bar
baz
EOF
sed \
-e 's/foo/foo_changed/' \
-e 's/bar/bar_changed/' \
"$BATS_TEST_TMPDIR/old" >"$BATS_TEST_TMPDIR/new"
git diff --no-index "$BATS_TEST_TMPDIR/old" "$BATS_TEST_TMPDIR/new" \
>"$BATS_TEST_TMPDIR/diff_full" || true
run mechanicaldiff.py qux quux <"$BATS_TEST_TMPDIR/diff_full"
assert_failure
assert_output ""
}