1 files changed, 68 insertions, 0 deletions
diff --git a/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/test/java/org/openecomp/sdc/logging/context/HostAddressCacheTest.java b/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/test/java/org/openecomp/sdc/logging/context/HostAddressCacheTest.java
new file mode 100644
index 0000000000..6d7a636840
--- /dev/null
+++ b/openecomp-be/lib/openecomp-sdc-logging-lib/openecomp-sdc-logging-core/src/test/java/org/openecomp/sdc/logging/context/HostAddressCacheTest.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.openecomp.sdc.logging.context;
+
+import static org.testng.Assert.assertNotNull;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import org.easymock.EasyMock;
+import org.powermock.api.easymock.PowerMock;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.testng.PowerMockTestCase;
+import org.testng.annotations.Test;
+
+/**
+ * Retrieval and caching of host address.
+ *
+ * @author evitaliy
+ * @since 28 Mar 2018
+ */
+@PrepareForTest(InetAddress.class)
+public class HostAddressCacheTest extends PowerMockTestCase {
+
+    @Test
+    public void hostAddressIsAlwaysPopulated() {
+        assertNotNull(new HostAddressCache().get());
+    }
+
+    @Test
+    public void cachedAddressRemainsTheSameWhenGotWithingRefreshInterval() throws UnknownHostException {
+        mockInetAddress(1);
+        HostAddressCache addressCache = new HostAddressCache(1000);
+        addressCache.get();
+        addressCache.get();
+    }
+
+    @Test
+    public void cachedAddressReplacedWhenGotAfterRefreshInterval() throws UnknownHostException {
+        mockInetAddress(2);
+        HostAddressCache addressCache = new HostAddressCache(-1);
+        addressCache.get();
+        addressCache.get();
+    }
+
+    private void mockInetAddress(int times) throws UnknownHostException {
+        InetAddress inetAddress = EasyMock.mock(InetAddress.class);
+        EasyMock.replay(inetAddress);
+        PowerMock.mockStatic(InetAddress.class);
+        //noinspection ResultOfMethodCallIgnored
+        InetAddress.getLocalHost();
+        PowerMock.expectLastCall().andReturn(inetAddress).times(times);
+        PowerMock.replay(InetAddress.class);
+    }
+}
+\ No newline at end of file