python: Port more tests.

* lang/python/Makefile.am: Add bits from the c test suite.
* lang/python/support.py: New file.
* lang/python/t-decrypt.py: Likewise.
* lang/python/t-encrypt.py: Likewise.

Signed-off-by: Justus Winter <justus@gnupg.org>

lang/python/tests/Makefile.am

@@ -16,7 +16,67 @@
 # You should have received a copy of the GNU Lesser General Public
 # License along with this program; if not, see <http://www.gnu.org/licenses/>.
 
+GPG = gpg
+GPG_AGENT = gpg-agent
+export GNUPGHOME := $(abs_builddir)
+export GPG_AGENT_INFO :=
+
+test_srcdir = $(top_srcdir)/tests/gpg
+
 TESTS_ENVIRONMENT = GNUPGHOME=$(abs_builddir) \
+	LC_ALL=C GPG_AGENT_INFO= \
+	top_srcdir=$(top_srcdir) \
 	PYTHONPATH=`echo $(abs_builddir)/../build/lib.*`
 
-TESTS = t-wrapper.py t-data.py
+py_tests = t-wrapper.py \
+	t-data.py \
+	t-encrypt.py \
+	t-decrypt.py
+
+TESTS = $(top_srcdir)/tests/gpg/initial.test \
+	$(py_tests) \
+	$(top_srcdir)/tests/gpg/final.test
+
+CLEANFILES = secring.gpg pubring.gpg pubring.kbx trustdb.gpg dirmngr.conf \
+	gpg-agent.conf pubring.kbx~ gpg.conf pubring.gpg~ \
+	random_seed .gpg-v21-migrated pubring-stamp
+
+private_keys = \
+        $(test_srcdir)/13CD0F3BDF24BE53FE192D62F18737256FF6E4FD \
+        $(test_srcdir)/76F7E2B35832976B50A27A282D9B87E44577EB66 \
+        $(test_srcdir)/A0747D5F9425E6664F4FFBEED20FBCA79FDED2BD \
+        $(test_srcdir)/13CBE3758AFE42B5E5E2AE4CED27AFA455E3F87F \
+        $(test_srcdir)/7A030357C0F253A5BBCD282FFC4E521B37558F5C
+
+clean-local:
+	-$(top_srcdir)/tests/start-stop-agent --stop
+	-rm -fR -- private-keys-v1.d openpgp-revocs.d S.gpg-agent sshcontrol
+
+check-local: ./gpg.conf ./gpg-agent.conf ./pubring-stamp \
+           ./private-keys-v1.d/gpg-sample.stamp
+
+# To guarantee that check-local is run before any tests we
+# add this dependency:
+$(top_srcdir)/tests/gpg/initial.test: check-local
+
+./private-keys-v1.d/gpg-sample.stamp: $(private_keys)
+	test -d ./private-keys-v1.d || mkdir ./private-keys-v1.d
+	for k in $(private_keys); do \
+          cp $$k private-keys-v1.d/`basename $$k`.key; \
+        done
+	echo x > ./private-keys-v1.d/gpg-sample.stamp
+
+./pubring-stamp: $(test_srcdir)/pubdemo.asc
+	$(GPG) --no-permission-warning \
+               --import $(test_srcdir)/pubdemo.asc
+	-$(GPG) --no-permission-warning \
+		--import $(test_srcdir)/secdemo.asc
+	touch ./pubring-stamp
+
+./gpg.conf:
+# This is required for t-sig-notations.
+	echo no-force-v3-sigs > ./gpg.conf
+
+./gpg-agent.conf:
+# This is required for gpg2, which does not support command fd.
+	echo pinentry-program $(abs_top_srcdir)/tests/gpg/pinentry > ./gpg-agent.conf

lang/python/tests/support.py

@@ -0,0 +1,26 @@
+# Copyright (C) 2016 g10 Code GmbH
+#
+# This file is part of GPGME.
+#
+# GPGME 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 2 of the License, or
+# (at your option) any later version.
+#
+# GPGME 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 Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+import os
+from pyme import core
+
+def make_filename(name):
+    return os.path.join(os.environ['top_srcdir'], 'tests', 'gpg', name)
+
+def init_gpgme(proto):
+    core.check_version()
+    core.engine_check_version(proto)

lang/python/tests/t-decrypt.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2016 g10 Code GmbH
+#
+# This file is part of GPGME.
+#
+# GPGME 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 2 of the License, or
+# (at your option) any later version.
+#
+# GPGME 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 Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import os
+from pyme import core, constants
+import support
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+c = core.Context()
+
+source = core.Data(file=support.make_filename("cipher-1.asc"))
+sink = core.Data()
+
+c.op_decrypt(source, sink)
+result = c.op_decrypt_result()
+assert not result.unsupported_algorithm, \
+    "Unsupported algorithm: {}".format(result.unsupported_algorithm)
+
+sink.seek(0, os.SEEK_SET)
+sys.stdout.buffer.write(sink.read())

lang/python/tests/t-encrypt.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2016 g10 Code GmbH
+#
+# This file is part of GPGME.
+#
+# GPGME 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 2 of the License, or
+# (at your option) any later version.
+#
+# GPGME 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 Lesser General
+# Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+import sys
+import os
+from pyme import core, constants
+import support
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+c = core.Context()
+c.set_armor(True)
+
+source = core.Data("Hallo Leute\n")
+sink = core.Data()
+
+keys = []
+keys.append(c.get_key("A0FF4590BB6122EDEF6E3C542D727CC768697734", False))
+keys.append(c.get_key("D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2", False))
+
+c.op_encrypt(keys, constants.ENCRYPT_ALWAYS_TRUST, source, sink)
+result = c.op_encrypt_result()
+assert not result.invalid_recipients, \
+    "Invalid recipient encountered: {}".format(result.invalid_recipients.fpr)
+
+sink.seek(0, os.SEEK_SET)
+sys.stdout.buffer.write(sink.read())