* crypto: add automated test for 'verify'

lib/tests/testdir4/signed!2,S

@@ -5,7 +5,6 @@ Received: from localhost.roma.net([127.0.0.1] helo=borealis)
 	by borealis with esmtp (Exim 4.77)
 	id 1SSpnB-00038a-55
 	for djcb@localhost; Fri, 11 May 2012 16:21:57 +0300
-Delivered-To: diggler@gmail.com
 From: Skipio <skipio@roma.net>
 To: Hannibal <hanni@carthago.net> 
 Subject: signed

lib/tests/testdir4/signed-bad!2,S

@@ -0,0 +1,35 @@
+Return-path: <>
+Envelope-to: skipio@localhost
+Delivery-date: Fri, 11 May 2012 16:21:57 +0300
+Received: from localhost.roma.net([127.0.0.1] helo=borealis)
+	by borealis with esmtp (Exim 4.77)
+	id 1SSpnB-00038a-55
+	for djcb@localhost; Fri, 11 May 2012 16:21:57 +0300
+From: Skipio <skipio@roma.net>
+To: Hannibal <hanni@carthago.net> 
+Subject: signed
+User-agent: mu4e 0.9.8.5-dev1; emacs 24.1.50.8
+Date: Fri, 11 May 2012 16:20:45 +0300
+Message-ID: <878vgy97ma.fsf@roma.net>
+MIME-Version: 1.0
+Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1;
+	protocol="application/pgp-signature"
+
+--=-=-=
+Content-Type: text/plain
+
+
+I am signed! But it's not good because I added this later
+
+--=-=-=
+Content-Type: application/pgp-signature
+
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1.4.12 (GNU/Linux)
+
+iEYEARECAAYFAk+tEi0ACgkQ6WrHoQF92jxTzACeKd/XxY+P7bpymWL3JBRHaW9p
+DpwAoKw7PDW4z/lNTkWjndVTjoO9jGhs
+=blXz
+-----END PGP SIGNATURE-----
+--=-=-=--
+

mu/tests/Makefile.am

@@ -25,6 +25,7 @@ INCLUDES=$(XAPIAN_CXXFLAGS)					\
 	-DMU_TESTMAILDIR=\"${top_srcdir}/lib/tests/testdir\"	\
 	-DMU_TESTMAILDIR2=\"${top_srcdir}/lib/tests/testdir2\"	\
 	-DMU_TESTMAILDIR3=\"${top_srcdir}/lib/tests/testdir3\"	\
+	-DMU_TESTMAILDIR4=\"${top_srcdir}/lib/tests/testdir4\"	\
 	-DMU_PROGRAM=\"${abs_top_builddir}/mu/mu\"		\
 	-DABS_CURDIR=\"${abs_builddir}\"			\
 	-DABS_SRCDIR=\"${abs_srcdir}\"

mu/tests/test-mu-cmd.c

@@ -734,6 +734,79 @@ test_mu_mkdir_01 (void)
 	g_free (cmdline);
 }
 
+/* we can only test 'verify' if gpg is installed, and has
+ * djcb@djcbsoftware's key in the keyring */
+static gboolean
+verify_is_testable (void)
+{
+	gchar *gpg, *cmdline;
+	gchar *output, *erroutput;
+	int retval;
+	gboolean rv;
+
+	/* find GPG or return FALSE */
+	if ((gpg = (char*)g_getenv ("MU_GPG_PATH"))) {
+		if (access (gpg, X_OK) != 0)
+			return FALSE;
+		else
+			gpg = g_strdup (gpg);
+
+	} else if (!(gpg = g_find_program_in_path ("gpg")))
+		return FALSE;
+
+	cmdline = g_strdup_printf ("%s --list-keys 017DDA3C", gpg);
+	g_free (gpg);
+
+	output = erroutput = NULL;
+	rv = g_spawn_command_line_sync (cmdline, &output, &erroutput,
+					&retval, NULL);
+	g_free (output);
+	g_free (erroutput);
+	g_free (cmdline);
+
+	return (rv && retval == 0) ? TRUE:FALSE;
+}
+
+static void
+test_mu_verify_good (void)
+{
+        gchar *cmdline;
+	int retval;
+
+	if (!verify_is_testable ())
+		return;
+
+	cmdline = g_strdup_printf ("%s verify %s/signed!2,S",
+				   MU_PROGRAM,
+				   MU_TESTMAILDIR4);
+
+	g_assert (g_spawn_command_line_sync (cmdline, NULL, NULL,
+					     &retval, NULL));
+	g_assert_cmpuint (retval, ==, 0);
+	g_free (cmdline);
+
+}
+
+
+static void
+test_mu_verify_bad (void)
+{
+        gchar *cmdline;
+	int retval;
+
+	if (!verify_is_testable ())
+		return;
+
+	cmdline = g_strdup_printf ("%s verify %s/signed-bad!2,S",
+				   MU_PROGRAM,
+				   MU_TESTMAILDIR4);
+
+	g_assert (g_spawn_command_line_sync (cmdline, NULL, NULL,
+					     &retval, NULL));
+	g_assert_cmpuint (retval, !=, 0);
+	g_free (cmdline);
+}
+
 
 
 int
@@ -781,6 +854,9 @@ main (int argc, char *argv[])
 	g_test_add_func ("/mu-cmd/test-mu-view-attach",  test_mu_view_attach);
 	g_test_add_func ("/mu-cmd/test-mu-mkdir-01",  test_mu_mkdir_01);
 
+	g_test_add_func ("/mu-cmd/test-mu-verify-good",  test_mu_verify_good);
+	g_test_add_func ("/mu-cmd/test-mu-verify-bad",  test_mu_verify_bad);
+
 	g_log_set_handler (NULL,
 			   G_LOG_LEVEL_MASK | G_LOG_LEVEL_WARNING|
 			   G_LOG_FLAG_FATAL| G_LOG_FLAG_RECURSION,