name assignment tests and fixes

Change-Id: I105f73d22024ff181b809b8869e3a48638424533
diff --git a/tests/unit-tests/name-assignment.t.cpp b/tests/unit-tests/name-assignment.t.cpp
new file mode 100644
index 0000000..ab3afc3
--- /dev/null
+++ b/tests/unit-tests/name-assignment.t.cpp
@@ -0,0 +1,80 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2017-2020, Regents of the University of California.
+ *
+ * This file is part of ndncert, a certificate management system based on NDN.
+ *
+ * ndncert 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.
+ *
+ * ndncert 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 copies of the GNU General Public License along with
+ * ndncert, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndncert authors and contributors.
+ */
+
+#include <name-assignments/assignment-random.hpp>
+#include <name-assignments/assignment-param.hpp>
+#include <name-assignments/assignment-hash.hpp>
+#include "test-common.hpp"
+
+namespace ndn {
+namespace ndncert {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(TestNameAssignment)
+BOOST_AUTO_TEST_CASE(NameAssignmentRandom)
+{
+  AssignmentRandom randomAssignment;
+  auto func = randomAssignment.getFunction("");
+  BOOST_CHECK_EQUAL(func(std::vector<std::tuple<std::string, std::string>>()).size(), 1);
+  BOOST_CHECK_EQUAL(func(std::vector<std::tuple<std::string, std::string>>()).begin()->size(), 1);
+}
+
+BOOST_AUTO_TEST_CASE(NameAssignmentParam)
+{
+  AssignmentParam paramAssignment;
+  auto func = paramAssignment.getFunction("abc:xyz");
+  std::vector<std::tuple<std::string, std::string>> requirements;
+  requirements.emplace_back("abc", "123");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 0);
+  requirements.emplace_back("xyz", "789");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 1);
+  BOOST_CHECK_EQUAL(*func(requirements).begin(), Name("/123/789"));
+  requirements.emplace_back("fake", "456");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 1);
+  BOOST_CHECK_EQUAL(*func(requirements).begin(), Name("/123/789"));
+  requirements[1] = std::tuple<std::string, std::string>("xyz", "");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 0);
+}
+
+BOOST_AUTO_TEST_CASE(NameAssignmentHash)
+{
+  AssignmentHash hashAssignment;
+  auto func = hashAssignment.getFunction("abc:xyz");
+  std::vector<std::tuple<std::string, std::string>> requirements;
+  requirements.emplace_back("abc", "123");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 0);
+  requirements.emplace_back("xyz", "789");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 1);
+  BOOST_CHECK_EQUAL(func(requirements).begin()->size(), 1);
+  requirements.emplace_back("fake", "456");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 1);
+  BOOST_CHECK_EQUAL(func(requirements).begin()->size(), 1);
+  requirements[1] = std::tuple<std::string, std::string>("xyz", "");
+  BOOST_CHECK_EQUAL(func(requirements).size(), 1);
+  BOOST_CHECK_EQUAL(func(requirements).begin()->size(), 1);
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}  // namespace tests
+}  // namespace ndncert
+}  // namespace ndn
+
+