Unit tests for DefaultLoad class
Change-Id: I9f661bbb20199c190076bcf71537c6c881cebc3a
diff --git a/core/api/src/test/java/org/onosproject/net/statistic/DefaultLoadTest.java b/core/api/src/test/java/org/onosproject/net/statistic/DefaultLoadTest.java
new file mode 100644
index 0000000..6b3ef93
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+++ b/core/api/src/test/java/org/onosproject/net/statistic/DefaultLoadTest.java
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+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.net.statistic;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.core.IsNot.not;
+
+/**
+ * Unit tests for DefaultLoad class.
+ */
+public class DefaultLoadTest {
+
+ @Before
+ public void reset() {
+ DefaultLoad.setPollInterval(10);
+ }
+
+ /**
+ * Tests the default constructor.
+ */
+ @Test
+ public void testDefaultConstructor() {
+ DefaultLoad load = new DefaultLoad();
+ assertThat(load.isValid(), is(false));
+ assertThat(load.latest(), is(-1L));
+ assertThat(load.rate(), is(0L));
+ assertThat(load.time(), is(not(0)));
+ }
+
+ /**
+ * Tests the current-previous constructor.
+ */
+ @Test
+ public void testCurrentPreviousConstructor() {
+ DefaultLoad load = new DefaultLoad(20, 10);
+ assertThat(load.isValid(), is(true));
+ assertThat(load.latest(), is(20L));
+ assertThat(load.rate(), is(1L));
+ assertThat(load.time(), is(not(0)));
+ }
+
+ /**
+ * Tests the current-previous-interval constructor.
+ */
+ @Test
+ public void testCurrentPreviousIntervalConstructor() {
+ DefaultLoad load = new DefaultLoad(20, 10, 1);
+ assertThat(load.isValid(), is(true));
+ assertThat(load.latest(), is(20L));
+ assertThat(load.rate(), is(10L));
+ assertThat(load.time(), is(not(0)));
+ }
+
+ /**
+ * Tests the toString operation.
+ */
+ @Test
+ public void testToString() {
+ DefaultLoad load = new DefaultLoad(20, 10);
+
+ String s = load.toString();
+ assertThat(s, containsString("Load{rate=1, latest=20}"));
+ }
+
+ /**
+ * Tests setting the poll interval.
+ */
+ @Test
+ public void testSettingPollInterval() {
+ DefaultLoad.setPollInterval(1);
+ DefaultLoad load = new DefaultLoad(40, 10);
+ assertThat(load.rate(), is(30L));
+ }
+}