/*
* Copyright 2012-2014 the original author or authors.
*
* 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.springframework.data.mongodb.config;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.Collection;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import com.mongodb.ServerAddress;
/**
* Unit tests for {@link ServerAddressPropertyEditor}.
*
* @author Oliver Gierke
* @author Thomas Darimont
*/
public class ServerAddressPropertyEditorUnitTests {
@Rule public ExpectedException expectedException = ExpectedException.none();
ServerAddressPropertyEditor editor;
@Before
public void setUp() {
editor = new ServerAddressPropertyEditor();
}
/**
* @see DATAMONGO-454
* @see DATAMONGO-1062
*/
@Test(expected = IllegalArgumentException.class)
public void rejectsAddressConfigWithoutASingleParsableAndResolvableServerAddress() {
String unknownHost1 = "gugu.nonexistant.example.org";
String unknownHost2 = "gaga.nonexistant.example.org";
assertUnresolveableHostnames(unknownHost1, unknownHost2);
editor.setAsText(unknownHost1 + "," + unknownHost2);
}
/**
* @see DATAMONGO-454
*/
@Test
public void skipsUnparsableAddressIfAtLeastOneIsParsable() throws UnknownHostException {
editor.setAsText("foo, localhost");
assertSingleAddressOfLocalhost(editor.getValue());
}
/**
* @see DATAMONGO-454
*/
@Test
public void handlesEmptyAddressAsParseError() throws UnknownHostException {
editor.setAsText(", localhost");
assertSingleAddressOfLocalhost(editor.getValue());
}
/**
* @see DATAMONGO-693
*/
@Test
public void interpretEmptyStringAsNull() {
editor.setAsText("");
assertNull(editor.getValue());
}
/**
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressLoopbackShort() throws UnknownHostException {
String hostAddress = "::1";
editor.setAsText(hostAddress);
assertSingleAddressWithPort(hostAddress, null, editor.getValue());
}
/**
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressLoopbackShortWithPort() throws UnknownHostException {
String hostAddress = "::1";
int port = 27017;
editor.setAsText(hostAddress + ":" + port);
assertSingleAddressWithPort(hostAddress, port, editor.getValue());
}
/**
* Here we detect no port since the last segment of the address contains leading zeros.
*
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressLoopbackLong() throws UnknownHostException {
String hostAddress = "0000:0000:0000:0000:0000:0000:0000:0001";
editor.setAsText(hostAddress);
assertSingleAddressWithPort(hostAddress, null, editor.getValue());
}
/**
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressLoopbackLongWithBrackets() throws UnknownHostException {
String hostAddress = "[0000:0000:0000:0000:0000:0000:0000:0001]";
editor.setAsText(hostAddress);
assertSingleAddressWithPort(hostAddress, null, editor.getValue());
}
/**
* We can't tell whether the last part of the hostAddress represents a port or not.
*
* @see DATAMONGO-808
*/
@Test
public void shouldFailToHandleAmbiguousIPv6HostaddressLongWithoutPortAndWithoutBrackets() throws UnknownHostException {
expectedException.expect(IllegalArgumentException.class);
String hostAddress = "0000:0000:0000:0000:0000:0000:0000:128";
editor.setAsText(hostAddress);
}
/**
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressExampleAddressWithPort() throws UnknownHostException {
String hostAddress = "0000:0000:0000:0000:0000:0000:0000:0001";
int port = 27017;
editor.setAsText(hostAddress + ":" + port);
assertSingleAddressWithPort(hostAddress, port, editor.getValue());
}
/**
* @see DATAMONGO-808
*/
@Test
public void handleIPv6HostaddressExampleAddressInBracketsWithPort() throws UnknownHostException {
String hostAddress = "[0000:0000:0000:0000:0000:0000:0000:0001]";
int port = 27017;
editor.setAsText(hostAddress + ":" + port);
assertSingleAddressWithPort(hostAddress, port, editor.getValue());
}
private static void assertSingleAddressOfLocalhost(Object result) throws UnknownHostException {
assertSingleAddressWithPort("localhost", null, result);
}
private static void assertSingleAddressWithPort(String hostAddress, Integer port, Object result)
throws UnknownHostException {
assertThat(result, is(instanceOf(ServerAddress[].class)));
Collection<ServerAddress> addresses = Arrays.asList((ServerAddress[]) result);
assertThat(addresses, hasSize(1));
if (port == null) {
assertThat(addresses, hasItem(new ServerAddress(InetAddress.getByName(hostAddress))));
} else {
assertThat(addresses, hasItem(new ServerAddress(InetAddress.getByName(hostAddress), port)));
}
}
private void assertUnresolveableHostnames(String... hostnames) {
for (String hostname : hostnames) {
try {
InetAddress.getByName(hostname);
Assert.fail("Supposedly unresolveable hostname '" + hostname + "' can be resolved.");
} catch (UnknownHostException expected) {
// ok
}
}
}
}