| /* |
| * Copyright 2016, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.fail; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import java.net.InetSocketAddress; |
| |
| @RunWith(JUnit4.class) |
| public class ResolvedServerInfoTest { |
| private static final Attributes.Key<String> FOO = Attributes.Key.of("foo"); |
| private static final Attributes ATTRS = Attributes.newBuilder().set(FOO, "bar").build(); |
| |
| @Test |
| public void accessors() { |
| InetSocketAddress addr = InetSocketAddress.createUnresolved("foo", 123); |
| |
| ResolvedServerInfo server = new ResolvedServerInfo(addr, ATTRS); |
| assertEquals(addr, server.getAddress()); |
| assertEquals(ATTRS, server.getAttributes()); |
| |
| // unspecified attributes treated as empty |
| server = new ResolvedServerInfo(addr); |
| assertEquals(addr, server.getAddress()); |
| assertEquals(Attributes.EMPTY, server.getAttributes()); |
| } |
| |
| @Test public void cannotUseNullAddress() { |
| try { |
| new ResolvedServerInfo(null, ATTRS); |
| fail("Should not have been allowd to create info with null address"); |
| } catch (NullPointerException e) { |
| // expected |
| } |
| } |
| |
| @Test public void equals_true() { |
| ResolvedServerInfo server1 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), |
| Attributes.newBuilder().set(FOO, "bar").build()); |
| ResolvedServerInfo server2 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), |
| Attributes.newBuilder().set(FOO, "bar").build()); |
| |
| // sanity checks that they're not same instances |
| assertNotSame(server1.getAddress(), server2.getAddress()); |
| assertNotSame(server1.getAttributes(), server2.getAttributes()); |
| |
| assertEquals(server1, server2); |
| assertEquals(server1.hashCode(), server2.hashCode()); // hash code must be consistent |
| |
| // empty attributes |
| server1 = new ResolvedServerInfo(InetSocketAddress.createUnresolved("foo", 123)); |
| server2 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), Attributes.EMPTY); |
| assertEquals(server1, server2); |
| assertEquals(server1.hashCode(), server2.hashCode()); |
| } |
| |
| @Test public void equals_falseDifferentAddresses() { |
| ResolvedServerInfo server1 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), |
| Attributes.newBuilder().set(FOO, "bar").build()); |
| ResolvedServerInfo server2 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 456), |
| Attributes.newBuilder().set(FOO, "bar").build()); |
| |
| assertNotEquals(server1, server2); |
| // hash code could collide, but this assertion is safe because, in this example, they do not |
| assertNotEquals(server1.hashCode(), server2.hashCode()); |
| } |
| |
| @Test public void equals_falseDifferentAttributes() { |
| ResolvedServerInfo server1 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), |
| Attributes.newBuilder().set(FOO, "bar").build()); |
| ResolvedServerInfo server2 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 123), |
| Attributes.newBuilder().set(FOO, "baz").build()); |
| |
| assertNotEquals(server1, server2); |
| // hash code could collide, but these assertions are safe because, in these examples, they don't |
| assertNotEquals(server1.hashCode(), server2.hashCode()); |
| |
| // same values but extra key? still not equal |
| server2 = new ResolvedServerInfo( |
| InetSocketAddress.createUnresolved("foo", 456), |
| Attributes.newBuilder() |
| .set(FOO, "bar") |
| .set(Attributes.Key.of("fiz"), "buz") |
| .build()); |
| |
| assertNotEquals(server1, server2); |
| assertNotEquals(server1.hashCode(), server2.hashCode()); |
| } |
| } |