diff --git a/tests/database-fixture.hpp b/tests/database-fixture.hpp
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+++ b/tests/database-fixture.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2020 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.
+ */
+
+#ifndef NDNCERT_TESTS_DATABASE_FIXTURE_HPP
+#define NDNCERT_TESTS_DATABASE_FIXTURE_HPP
+
+#include "identity-management-fixture.hpp"
+#include "unit-test-time-fixture.hpp"
+#include <boost/filesystem.hpp>
+
+namespace ndn {
+namespace ndncert {
+namespace tests {
+
+class IdentityManagementTimeFixture : public UnitTestTimeFixture
+                                    , public IdentityManagementFixture
+{
+};
+
+class DatabaseFixture : public IdentityManagementTimeFixture
+{
+public:
+  DatabaseFixture()
+  {
+    boost::filesystem::path parentDir{TMP_TESTS_PATH};
+    dbDir = parentDir / "test-home" / ".ndncert";
+    if (!boost::filesystem::exists(dbDir)) {
+      boost::filesystem::create_directory(dbDir);
+    }
+  }
+
+  ~DatabaseFixture()
+  {
+    boost::filesystem::remove_all(dbDir);
+  }
+
+protected:
+  boost::filesystem::path dbDir;
+};
+
+} // namespace tests
+} // namespace ndncert
+} // namespace ndn
+
+#endif // NDNCERT_TESTS_DATABASE_FIXTURE_HPP