/*************************GO-LICENSE-START*********************************
* Copyright 2014 ThoughtWorks, Inc.
*
* 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.
*************************GO-LICENSE-END***********************************/
package com.thoughtworks.go.util;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.junit.Test;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
public class SystemUtilTest {
@Test
public void shouldReturnFalseIfAddressIsNotLocalFilteredByHostname() throws UnknownHostException {
assertThat("Localhost (google.com with ip 127.0.0.1) should not be a local address.", SystemUtil.isLocalhost("google.com", "127.0.0.1"), is(false));
}
@Test
public void shouldDetermineIfAddressIsLocal() throws UnknownHostException {
InetAddress local;
try {
local = InetAddress.getLocalHost();
}
catch (UnknownHostException e) {
local = InetAddress.getByName("localhost");
}
assertThat("Localhost (" + local.getHostName() + ") should be a local address.", SystemUtil.isLocalhost(local.getHostAddress()), is(true));
}
@Test
public void shouldReturnFalseIfAddressIsNotLocal() throws UnknownHostException {
String hostName = "hostThatNeverExists";
assertThat("Localhost (" + hostName + ") should not be a local address.", SystemUtil.isLocalhost("8.8.8.8"), is(false));
}
@Test
public void shouldReturnFalseIfPortIsNotReachableOnLocalhost() throws Exception {
assertThat(SystemUtil.isLocalhostReachable(9876), is(false));
}
}