t/view: ensure HTML shows QP text

We need to ensure the HTML output is not mangled, either.

1 files changed, 25 insertions, 0 deletions

diff --git a/t/view.t b/t/view.t
index 10a182b3..bc6fbed9 100644
--- a/t/view.t
+++ b/t/view.t
@@ -110,4 +110,29 @@ EOF
                 "parts split with filename");
 }
 
+# multipart collapsed to single quoted-printable text/plain
+{
+        my $parts = [
+                Email::MIME->create(
+                        attributes => {
+                                content_type => 'text/plain',
+                                encoding => 'quoted-printable',
+                        },
+                        body => 'hi = bye',
+                )
+        ];
+        my $mime = Email::MIME->create(
+                header_str => [
+                        From => 'qp@example.com',
+                        Subject => 'QP',
+                        'Message-ID' => '<qp@example.com>',
+                        ],
+                parts => $parts,
+        );
+
+        my $html = PublicInbox::View->msg_html($mime);
+        like($mime->body_raw, qr/hi =3D bye=/, "our test used QP correctly");
+        like($html, qr/\bhi = bye\b/, "HTML output decoded QP");
+}
+
 done_testing();