Test coverage in MetricRegistryImpl

Added test coverage for MetricRegistryImpl

Issue-ID: APPC-1478
Change-Id: I91eff5418ec14d294fa80af3d6d7025338b82072
Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/appc-metric/appc-metric-bundle/src/test/java/org/onap/appc/metricservice/impl/MetricRegistryImplTest.java b/appc-metric/appc-metric-bundle/src/test/java/org/onap/appc/metricservice/impl/MetricRegistryImplTest.java
new file mode 100644
index 000000000..09e5ba954
--- /dev/null
+++ b/appc-metric/appc-metric-bundle/src/test/java/org/onap/appc/metricservice/impl/MetricRegistryImplTest.java
@@ -0,0 +1,60 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2019 Ericsson
+ * ================================================================================
+ * 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.
+ *
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.metricservice.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.appc.metricservice.metric.Counter;
+import org.onap.appc.metricservice.metric.Metric;
+import org.onap.appc.metricservice.metric.impl.DefaultPrimitiveCounter;
+
+public class MetricRegistryImplTest {
+
+    private static final String NAME = "NAME";
+    private MetricRegistryImpl registry;
+    @Before
+    public void setup() {
+        registry = new MetricRegistryImpl(null);
+    }
+
+    @Test
+    public void testRegister() {
+        Metric metric = new DefaultPrimitiveCounter(NAME, null);
+        assertNull(registry.counter(NAME));
+        assertTrue(registry.register(metric));
+        assertFalse(registry.register(metric));
+        assertTrue(registry.counter(NAME) instanceof Counter);
+        assertSame(metric, registry.metric(NAME));
+    }
+
+    @Test
+    public void testCounter() {
+        registry.dispose();
+        assertEquals(0, registry.metrics().length);
+    }
+
+}