1 files changed, 80 insertions, 0 deletions
diff --git a/common-parameters/src/test/java/org/onap/policy/common/parameters/TestParameterService.java b/common-parameters/src/test/java/org/onap/policy/common/parameters/TestParameterService.java
new file mode 100644
index 00000000..efd3e304
--- /dev/null
+++ b/common-parameters/src/test/java/org/onap/policy/common/parameters/TestParameterService.java
@@ -0,0 +1,80 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * 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.common.parameters;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import org.junit.Test;
+
+public class TestParameterService {
+
+    @Test
+    public void testParameterService() {
+        ParameterService.clear();
+
+        assertFalse(ParameterService.existsParameters(LegalParameters.class));
+        try {
+            ParameterService.getParameters(LegalParameters.class);
+            fail("Test should throw an exception here");
+        } catch (final Exception e) {
+            assertEquals(
+                    "Parameters for org.onap.policy.common.parameters.LegalParameters not found in parameter service",
+                    e.getMessage());
+        }
+
+        ParameterService.registerParameters(new LegalParameters());
+        assertTrue(ParameterService.existsParameters(LegalParameters.class));
+        assertNotNull(ParameterService.getParameters(LegalParameters.class));
+
+        ParameterService.deregisterParameters(LegalParameters.class);
+
+        assertFalse(ParameterService.existsParameters(LegalParameters.class));
+        try {
+            ParameterService.getParameters(LegalParameters.class);
+            fail("Test should throw an exception here");
+        } catch (final Exception e) {
+            assertEquals(
+                    "Parameters for org.onap.policy.common.parameters.LegalParameters not found in parameter service",
+                    e.getMessage());
+        }
+
+        ParameterService.registerParameters(new LegalParameters());
+        assertTrue(ParameterService.existsParameters(LegalParameters.class));
+        assertNotNull(ParameterService.getParameters(LegalParameters.class));
+
+        assertEquals(1, ParameterService.getAll().size());
+        ParameterService.clear();
+        assertEquals(0, ParameterService.getAll().size());
+        assertFalse(ParameterService.existsParameters(LegalParameters.class));
+        try {
+            ParameterService.getParameters(LegalParameters.class);
+            fail("Test should throw an exception here");
+        } catch (final Exception e) {
+            assertEquals(
+                    "Parameters for org.onap.policy.common.parameters.LegalParameters not found in parameter service",
+                    e.getMessage());
+        }
+    }
+}