/*
* Copyright (C) 2012-2015 DataStax 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.
*/
package com.datastax.driver.core.policies;
import org.testng.annotations.Test;
import javax.naming.NamingException;
import javax.naming.directory.BasicAttributes;
import javax.naming.directory.InitialDirContext;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.*;
public class EC2MultiRegionAddressTranslatorTest {
@Test(groups = "unit")
public void should_return_same_address_when_no_entry_found() throws Exception {
InitialDirContext mock = mock(InitialDirContext.class);
when(mock.getAttributes(anyString(), any(String[].class)))
.thenReturn(new BasicAttributes());
EC2MultiRegionAddressTranslator translator = new EC2MultiRegionAddressTranslator(mock);
InetSocketAddress address = new InetSocketAddress("192.0.2.5", 9042);
assertThat(translator.translate(address)).isEqualTo(address);
}
@Test(groups = "unit")
public void should_return_same_address_when_exception_encountered() throws Exception {
InitialDirContext mock = mock(InitialDirContext.class);
when(mock.getAttributes(anyString(), any(String[].class)))
.thenThrow(new NamingException("Problem resolving address (not really)."));
EC2MultiRegionAddressTranslator translator = new EC2MultiRegionAddressTranslator(mock);
InetSocketAddress address = new InetSocketAddress("192.0.2.5", 9042);
assertThat(translator.translate(address)).isEqualTo(address);
}
@Test(groups = "unit")
public void should_return_new_address_when_match_found() throws Exception {
InetSocketAddress expectedAddress = new InetSocketAddress("54.32.55.66", 9042);
InitialDirContext mock = mock(InitialDirContext.class);
when(mock.getAttributes("5.2.0.192.in-addr.arpa", new String[]{"PTR"}))
.thenReturn(new BasicAttributes("PTR", expectedAddress.getHostName()));
EC2MultiRegionAddressTranslator translator = new EC2MultiRegionAddressTranslator(mock);
InetSocketAddress address = new InetSocketAddress("192.0.2.5", 9042);
assertThat(translator.translate(address)).isEqualTo(expectedAddress);
}
@Test(groups = "unit")
public void should_close_context_when_closed() throws Exception {
InitialDirContext mock = mock(InitialDirContext.class);
EC2MultiRegionAddressTranslator translator = new EC2MultiRegionAddressTranslator(mock);
// ensure close has not been called to this point.
verify(mock, times(0)).close();
translator.close();
// ensure close is closed.
verify(mock).close();
}
@Test(groups = "unit")
public void should_build_reversed_domain_name_for_ip_v4() throws Exception {
InetAddress address = InetAddress.getByName("192.0.2.5");
assertThat(
EC2MultiRegionAddressTranslator.reverse(address)
).isEqualTo(
"5.2.0.192.in-addr.arpa"
);
}
@Test(groups = "unit")
public void should_build_reversed_domain_name_for_ip_v6() throws Exception {
InetAddress address = InetAddress.getByName("2001:db8::567:89ab");
assertThat(
EC2MultiRegionAddressTranslator.reverse(address)
).isEqualTo(
"b.a.9.8.7.6.5.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa"
);
}
}