1 files changed, 54 insertions, 0 deletions
diff --git a/common/src/test/java/org/onap/policy/clamp/controlloop/common/handler/ControlLoopHandlerTest.java b/common/src/test/java/org/onap/policy/clamp/controlloop/common/handler/ControlLoopHandlerTest.java
new file mode 100644
index 000000000..845bc8df0
--- /dev/null
+++ b/common/src/test/java/org/onap/policy/clamp/controlloop/common/handler/ControlLoopHandlerTest.java
@@ -0,0 +1,54 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.common.handler;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.services.Registry;
+import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+
+public class ControlLoopHandlerTest {
+
+    @Test
+    public void testControlLoopHandler() {
+        assertThatThrownBy(() -> new DummyControlLoopHandler(null)).isInstanceOf(NullPointerException.class);
+
+        assertNotNull(new DummyControlLoopHandler(new PolicyModelsProviderParameters()));
+        Registry.unregister(DummyControlLoopHandler.class.getName());
+
+        String dummyClassName = DummyControlLoopHandler.class.getName();
+        assertThatThrownBy(() -> Registry.get(dummyClassName)).isInstanceOf(IllegalArgumentException.class);
+
+        PolicyModelsProviderParameters pars = new PolicyModelsProviderParameters();
+
+        DummyControlLoopHandler dclh = new DummyControlLoopHandler(pars);
+        assertNotNull(dclh);
+
+        assertEquals(pars, dclh.getDatabaseProviderParameters());
+        assertEquals(0, dclh.getProviderClasses().size());
+
+        dclh.close();
+        assertThatThrownBy(() -> Registry.get(dummyClassName)).isInstanceOf(IllegalArgumentException.class);
+    }
+}