#628 added port binding test

Author: jamesdbloom

mockserver-netty/src/test/java/org/mockserver/lifecycle/PortBindingIntegrationTest.java

@@ -0,0 +1,45 @@
+package org.mockserver.lifecycle;
+
+import org.hamcrest.Matchers;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.mockserver.client.MockServerClient;
+import org.mockserver.integration.ClientAndServer;
+import org.mockserver.mockserver.MockServer;
+import org.mockserver.socket.PortFactory;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.concurrent.TimeUnit;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.*;
+import static org.mockserver.model.HttpRequest.request;
+
+/**
+ * @author jamesdbloom
+ */
+public class PortBindingIntegrationTest {
+
+    private final static int MOCK_SERVER_PORT = PortFactory.findFreePort();
+
+    @Rule
+    public ExpectedException exception = ExpectedException.none();
+
+    @Test
+    public void throwsExpectionOnPortAlreadyBound() {
+        // then
+        exception.expect(RuntimeException.class);
+        exception.expectMessage(Matchers.containsString("Exception while binding MockServer to port"));
+
+        // when - server started
+        new MockServer(MOCK_SERVER_PORT);
+
+        // and - server started again on same port
+        new MockServer(MOCK_SERVER_PORT);
+    }
+}