tests: Add test demonstrating issue2929.

* tests/openpgp/Makefile.am (XTESTS): Add new test.
* tests/openpgp/issue2929.scm: New file.
--
This test demonstrates a problem with the TOFU trust model when a new
key is created.

Signed-off-by: Justus Winter <justus@g10code.com>

tests/openpgp/Makefile.am

@@ -96,7 +96,8 @@ XTESTS = \
 	issue2015.scm \
 	issue2346.scm \
 	issue2417.scm \
-	issue2419.scm
+	issue2419.scm \
+	issue2929.scm
 
 # XXX: Currently, one cannot override automake's 'check' target.  As a
 # workaround, we avoid defining 'TESTS', thus automake will not emit

tests/openpgp/issue2929.scm

@@ -0,0 +1,32 @@
+#!/usr/bin/env gpgscm
+
+;; Copyright (C) 2017 g10 Code GmbH
+;;
+;; This file is part of GnuPG.
+;;
+;; GnuPG is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; GnuPG is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+(load (with-path "defs.scm"))
+(setup-environment)
+
+(catch (skip "Tofu not supported")
+       (call-check `(,@gpg --trust-model=tofu --list-config)))
+
+;; Redefine GPG without --always-trust and TOFU trust model.
+(define gpg `(,(tool 'gpg) --no-permission-warning --trust-model=tofu))
+
+(info "Checking key creation with TOFU trust model (issue2929).")
+(call-check `(,@gpg --quick-generate-key frob@example.org))
+(call-check `(,@gpg --sign gpg.conf))
+(call-check `(,@gpg --verify gpg.conf.gpg))