Rename 'tests/unit-tests' directory to 'tests/unit'

Change-Id: I78ea29938259fac288781bed12fb2399ac7eba26
diff --git a/tests/unit/security/signing-helpers.t.cpp b/tests/unit/security/signing-helpers.t.cpp
new file mode 100644
index 0000000..af2c568
--- /dev/null
+++ b/tests/unit/security/signing-helpers.t.cpp
@@ -0,0 +1,71 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2018 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "security/signing-helpers.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace security {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(TestSigningHelpers)
+
+// update of this test case deferred until the new IdentityManagementFixture is available
+
+BOOST_AUTO_TEST_CASE(Identity)
+{
+  Name identity("/identity");
+  SigningInfo info = signingByIdentity(identity);
+  BOOST_CHECK_EQUAL(info.getSignerType(), SigningInfo::SIGNER_TYPE_ID);
+  BOOST_CHECK_EQUAL(info.getSignerName(), identity);
+}
+
+BOOST_AUTO_TEST_CASE(Key)
+{
+  Name key("/key");
+  SigningInfo info = signingByKey(key);
+  BOOST_CHECK_EQUAL(info.getSignerType(), SigningInfo::SIGNER_TYPE_KEY);
+  BOOST_CHECK_EQUAL(info.getSignerName(), key);
+}
+
+BOOST_AUTO_TEST_CASE(Certificate)
+{
+  Name cert("/cert");
+  SigningInfo info = signingByCertificate(cert);
+  BOOST_CHECK_EQUAL(info.getSignerType(), SigningInfo::SIGNER_TYPE_CERT);
+  BOOST_CHECK_EQUAL(info.getSignerName(), cert);
+}
+
+BOOST_AUTO_TEST_CASE(Sha256)
+{
+  SigningInfo info = signingWithSha256();
+  BOOST_CHECK_EQUAL(info.getSignerType(), SigningInfo::SIGNER_TYPE_SHA256);
+  BOOST_CHECK_EQUAL(info.getSignerName(), SigningInfo::getEmptyName());
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestSigningHelpers
+BOOST_AUTO_TEST_SUITE_END() // Security
+
+} // namespace tests
+} // namespace security
+} // namespace ndn