send-email: add test for duplicate utf8 name

Verify that author name is not duplicated if it matches sender, even
if it is in utf8 (the test expects a failure that will be fixed in
the next patch).

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index ebcb60a050cc68c281bb99d9de4da66452e0efe2..2a6f444bf83dcd3d4ddfb324836e2217da2c1ff1 100755 (executable)
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -956,6 +956,20 @@ test_expect_success $PREREQ 'utf8 author is correctly passed on' '
        grep "^From: Füñný Nâmé <odd_?=mail@example.com>" msgtxt1
 '
 
+test_expect_failure $PREREQ 'utf8 sender is not duplicated' '
+       clean_fake_sendmail &&
+       test_commit weird_sender &&
+       test_when_finished "git reset --hard HEAD^" &&
+       git commit --amend --author "Füñný Nâmé <odd_?=mail@example.com>" &&
+       git format-patch --stdout -1 >funny_name.patch &&
+       git send-email --from="Füñný Nâmé <odd_?=mail@example.com>" \
+         --to=nobody@example.com \
+         --smtp-server="$(pwd)/fake.sendmail" \
+         funny_name.patch &&
+       grep "^From: " msgtxt1 >msgfrom &&
+       test_line_count = 1 msgfrom
+'
+
 test_expect_success $PREREQ 'sendemail.composeencoding works' '
        clean_fake_sendmail &&
        git config sendemail.composeencoding iso-8859-1 &&