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DefaultAuthoritativeDnsServerCacheTest Class — netty Architecture

Architecture documentation for the DefaultAuthoritativeDnsServerCacheTest class in DefaultAuthoritativeDnsServerCacheTest.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  4a9246bd_af88_49ac_ddb5_b152cf30ca29["DefaultAuthoritativeDnsServerCacheTest"]
  3189b5f6_1567_6038_d229_d7a2ce723294["DefaultAuthoritativeDnsServerCacheTest.java"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|defined in| 3189b5f6_1567_6038_d229_d7a2ce723294
  317bea78_5cbe_99cd_b512_036f12435822["testExpire()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 317bea78_5cbe_99cd_b512_036f12435822
  2b038621_f351_0e35_7090_5bf186dc8458["testExpireWithDifferentTTLs()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 2b038621_f351_0e35_7090_5bf186dc8458
  9454f74e_7cbf_f109_acae_d3717b8ff978["testExpireWithTTL0()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 9454f74e_7cbf_f109_acae_d3717b8ff978
  955a5dce_bb16_2f67_057d_b9234caf7d5b["testAddMultipleDnsServerForSameHostname()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 955a5dce_bb16_2f67_057d_b9234caf7d5b
  3faa78b8_e3ec_9987_96bc_0f0ab23a2d9f["testUnresolvedReplacedByResolved()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 3faa78b8_e3ec_9987_96bc_0f0ab23a2d9f
  f435cf92_5536_b3ca_4a59_0e683c1cd836["testUseNoComparator()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| f435cf92_5536_b3ca_4a59_0e683c1cd836
  5945c937_b868_e053_e03d_b68b91559ba3["testUseComparator()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 5945c937_b868_e053_e03d_b68b91559ba3
  99e36448_3865_c5bb_6120_589c93219afa["testUseComparator0()"]
  4a9246bd_af88_49ac_ddb5_b152cf30ca29 -->|method| 99e36448_3865_c5bb_6120_589c93219afa

Relationship Graph

Source Code

resolver-dns/src/test/java/io/netty/resolver/dns/DefaultAuthoritativeDnsServerCacheTest.java lines 34–198

public class DefaultAuthoritativeDnsServerCacheTest {

    @Test
    public void testExpire() throws Throwable {
        InetSocketAddress resolved1 = new InetSocketAddress(
                InetAddress.getByAddress("ns1", new byte[] { 10, 0, 0, 1 }), 53);
        InetSocketAddress resolved2 = new InetSocketAddress(
                InetAddress.getByAddress("ns2", new byte[] { 10, 0, 0, 2 }), 53);
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(1, LocalIoHandler.newFactory());

        try {
            EventLoop loop = group.next();
            final DefaultAuthoritativeDnsServerCache cache = new DefaultAuthoritativeDnsServerCache();
            cache.cache("netty.io", resolved1, 1, loop);
            cache.cache("netty.io", resolved2, 10000, loop);

            Throwable error = loop.schedule(new Callable<Throwable>() {
                @Override
                public Throwable call() {
                    try {
                        assertNull(cache.get("netty.io"));
                        return null;
                    } catch (Throwable cause) {
                        return cause;
                    }
                }
            }, 1, TimeUnit.SECONDS).get();
            if (error != null) {
                throw error;
            }
        } finally {
            group.shutdownGracefully();
        }
    }

    @Test
    public void testExpireWithDifferentTTLs() {
        testExpireWithTTL0(1);
        testExpireWithTTL0(1000);
        testExpireWithTTL0(1000000);
    }

    private static void testExpireWithTTL0(int days) {
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(1, LocalIoHandler.newFactory());

        try {
            EventLoop loop = group.next();
            final DefaultAuthoritativeDnsServerCache cache = new DefaultAuthoritativeDnsServerCache();
            cache.cache("netty.io", new InetSocketAddress(NetUtil.LOCALHOST, 53), days, loop);
        } finally {
            group.shutdownGracefully();
        }
    }

    @Test
    public void testAddMultipleDnsServerForSameHostname() throws Exception {
        InetSocketAddress resolved1 = new InetSocketAddress(
                InetAddress.getByAddress("ns1", new byte[] { 10, 0, 0, 1 }), 53);
        InetSocketAddress resolved2 = new InetSocketAddress(
                InetAddress.getByAddress("ns2", new byte[] { 10, 0, 0, 2 }), 53);
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(1, LocalIoHandler.newFactory());

        try {
            EventLoop loop = group.next();
            final DefaultAuthoritativeDnsServerCache cache = new DefaultAuthoritativeDnsServerCache();
            cache.cache("netty.io", resolved1, 100, loop);
            cache.cache("netty.io", resolved2, 10000, loop);

            DnsServerAddressStream entries = cache.get("netty.io");
            assertEquals(2, entries.size());
            assertEquals(resolved1, entries.next());
            assertEquals(resolved2, entries.next());
        } finally {
            group.shutdownGracefully();
        }
    }

    @Test
    public void testUnresolvedReplacedByResolved() throws Exception {
        InetSocketAddress unresolved = InetSocketAddress.createUnresolved("ns1", 53);
        InetSocketAddress resolved1 = new InetSocketAddress(

Defined In

Source

Frequently Asked Questions

What is the DefaultAuthoritativeDnsServerCacheTest class?
DefaultAuthoritativeDnsServerCacheTest is a class in the netty codebase, defined in resolver-dns/src/test/java/io/netty/resolver/dns/DefaultAuthoritativeDnsServerCacheTest.java.
Where is DefaultAuthoritativeDnsServerCacheTest defined?
DefaultAuthoritativeDnsServerCacheTest is defined in resolver-dns/src/test/java/io/netty/resolver/dns/DefaultAuthoritativeDnsServerCacheTest.java at line 34.

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