diff --git a/lang/python/tests/Makefile.am b/lang/python/tests/Makefile.am
index 30f1aec6..32dc4323 100644
--- a/lang/python/tests/Makefile.am
+++ b/lang/python/tests/Makefile.am
@@ -26,6 +26,7 @@ test_srcdir = $(top_srcdir)/tests/gpg
 TESTS_ENVIRONMENT = GNUPGHOME=$(abs_builddir) \
 	LC_ALL=C GPG_AGENT_INFO= \
 	top_srcdir=$(top_srcdir) \
+	LD_LIBRARY_PATH="../../../src/.libs" \
 	PYTHONPATH=`echo $(abs_builddir)/../build/lib.*`
 
 py_tests = t-wrapper.py \
@@ -33,8 +34,11 @@ py_tests = t-wrapper.py \
 	t-data.py \
 	t-encrypt.py \
 	t-encrypt-sym.py \
+	t-encrypt-sign.py \
 	t-sign.py \
-	t-decrypt.py
+	t-signers.py \
+	t-decrypt.py \
+	t-export.py
 
 TESTS = $(top_srcdir)/tests/gpg/initial.test \
 	$(py_tests) \
diff --git a/lang/python/tests/t-callbacks.py b/lang/python/tests/t-callbacks.py
index bd88d861..13ce4864 100755
--- a/lang/python/tests/t-callbacks.py
+++ b/lang/python/tests/t-callbacks.py
@@ -17,7 +17,6 @@
 # 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, constants
 import support
 
diff --git a/lang/python/tests/t-encrypt-sign.py b/lang/python/tests/t-encrypt-sign.py
new file mode 100755
index 00000000..cba697c1
--- /dev/null
+++ b/lang/python/tests/t-encrypt-sign.py
@@ -0,0 +1,71 @@
+#!/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
+from pyme import core, constants
+import support
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+c = core.Context()
+c.set_armor(True)
+
+def check_result(r, typ):
+    if r.invalid_signers:
+        sys.exit("Invalid signer found: {}".format(r.invalid_signers.fpr))
+
+    if len(r.signatures) != 1:
+        sys.exit("Unexpected number of signatures created")
+
+    signature = r.signatures[0]
+    if signature.type != typ:
+        sys.exit("Wrong type of signature created")
+
+    if signature.pubkey_algo != constants.PK_DSA:
+        sys.exit("Wrong pubkey algorithm reported: {}".format(
+            signature.pubkey_algo))
+
+    if signature.hash_algo not in (constants.MD_SHA1, constants.MD_RMD160):
+        sys.exit("Wrong hash algorithm reported: {}".format(
+            signature.hash_algo))
+
+    if signature.sig_class != 0:
+        sys.exit("Wrong signature class reported: {}".format(
+            signature.sig_class))
+
+    if signature.fpr != "A0FF4590BB6122EDEF6E3C542D727CC768697734":
+        sys.exit("Wrong fingerprint reported: {}".format(signature.fpr))
+
+keys = []
+keys.append(c.get_key("A0FF4590BB6122EDEF6E3C542D727CC768697734", False))
+keys.append(c.get_key("D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2", False))
+
+for recipients in (keys, []):
+    source = core.Data("Hallo Leute\n")
+    sink = core.Data()
+
+    c.op_encrypt_sign(recipients, constants.ENCRYPT_ALWAYS_TRUST, source, sink)
+    result = c.op_encrypt_result()
+    assert not result.invalid_recipients, \
+        "Invalid recipient encountered: {}".format(
+            result.invalid_recipients.fpr)
+
+    result = c.op_sign_result()
+    check_result(result, constants.SIG_MODE_NORMAL)
+
+    support.print_data(sink)
diff --git a/lang/python/tests/t-export.py b/lang/python/tests/t-export.py
new file mode 100755
index 00000000..a102425c
--- /dev/null
+++ b/lang/python/tests/t-export.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/>.
+
+from pyme import core, constants
+import support
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+c = core.Context()
+c.set_armor(True)
+
+sink = core.Data()
+c.op_export_ext(['Alpha', 'Bob'], 0, sink)
+support.print_data(sink)
+
+# Again. Now using a key array.
+keys = []
+keys.append(c.get_key("0x68697734", False)) # Alpha
+keys.append(c.get_key("0xA9E3B0B2", False)) # Bob
+sink = core.Data()
+c.op_export_keys(keys, 0, sink)
+support.print_data(sink)
diff --git a/lang/python/tests/t-signers.py b/lang/python/tests/t-signers.py
new file mode 100755
index 00000000..26dded52
--- /dev/null
+++ b/lang/python/tests/t-signers.py
@@ -0,0 +1,75 @@
+#!/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
+from pyme import core, constants
+import support
+
+def check_result(r, typ):
+    if r.invalid_signers:
+        sys.exit("Invalid signer found: {}".format(r.invalid_signers.fpr))
+
+    if len(r.signatures) != 2:
+        sys.exit("Unexpected number of signatures created")
+
+    for signature in r.signatures:
+        if signature.type != typ:
+            sys.exit("Wrong type of signature created")
+
+        if signature.pubkey_algo != constants.PK_DSA:
+            sys.exit("Wrong pubkey algorithm reported: {}".format(
+                signature.pubkey_algo))
+
+        if signature.hash_algo != constants.MD_SHA1:
+            sys.exit("Wrong hash algorithm reported: {}".format(
+                signature.hash_algo))
+
+        if signature.sig_class != 1:
+            sys.exit("Wrong signature class reported: {}".format(
+                signature.sig_class))
+
+        if signature.fpr not in ("A0FF4590BB6122EDEF6E3C542D727CC768697734",
+                                 "23FD347A419429BACCD5E72D6BC4778054ACD246"):
+            sys.exit("Wrong fingerprint reported: {}".format(signature.fpr))
+
+
+support.init_gpgme(constants.PROTOCOL_OpenPGP)
+c = core.Context()
+c.set_textmode(True)
+c.set_armor(True)
+
+keys = []
+c.op_keylist_start('', True)
+keys.append(c.op_keylist_next())
+keys.append(c.op_keylist_next())
+c.op_keylist_end()
+
+c.signers_add(keys[0])
+c.signers_add(keys[1])
+
+for mode in (constants.SIG_MODE_NORMAL, constants.SIG_MODE_DETACH,
+             constants.SIG_MODE_CLEAR):
+    source = core.Data("Hallo Leute\n")
+    sink = core.Data()
+
+    c.op_sign(source, sink, mode)
+
+    result = c.op_sign_result()
+    check_result(result, mode)
+    support.print_data(sink)