testDropAAAAResolveFast() — netty Function Reference

Architecture documentation for the testDropAAAAResolveFast() function in DnsNameResolverTest.java from the netty codebase.

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Dependency Diagram

graph TD
  f8a4d3af_d19e_dc51_fec6_d6841cbd2c61["testDropAAAAResolveFast()"]
  b6215f36_0afe_a284_a3fd_3999e90a8e97["DnsNameResolverTest"]
  f8a4d3af_d19e_dc51_fec6_d6841cbd2c61 -->|defined in| b6215f36_0afe_a284_a3fd_3999e90a8e97
  df4510f5_88a8_20fd_2366_a4c543cdf3b8["resolve()"]
  f8a4d3af_d19e_dc51_fec6_d6841cbd2c61 -->|calls| df4510f5_88a8_20fd_2366_a4c543cdf3b8
  style f8a4d3af_d19e_dc51_fec6_d6841cbd2c61 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

resolver-dns/src/test/java/io/netty/resolver/dns/DnsNameResolverTest.java lines 3213–3239

    @ParameterizedTest
    @EnumSource(DnsNameResolverChannelStrategy.class)
    @Timeout(value = 2000, unit = TimeUnit.MILLISECONDS)
    public void testDropAAAAResolveFast(DnsNameResolverChannelStrategy strategy) throws IOException {
        String host = "somehost.netty.io";
        TestDnsServer dnsServer2 = new TestDnsServer(Collections.singleton(host));
        dnsServer2.start(RecordType.AAAA);
        DnsNameResolver resolver = null;
        try {
            DnsNameResolverBuilder builder = newResolver(strategy)
                    .recursionDesired(false)
                    .queryTimeoutMillis(10000)
                    .resolvedAddressTypes(ResolvedAddressTypes.IPV4_PREFERRED)
                    .completeOncePreferredResolved(true)
                    .maxQueriesPerResolve(16)
                    .nameServerProvider(new SingletonDnsServerAddressStreamProvider(dnsServer2.localAddress()));

            resolver = builder.build();
            InetAddress address = resolver.resolve(host).syncUninterruptibly().getNow();
            assertEquals(host, address.getHostName());
        } finally {
            dnsServer2.stop();
            if (resolver != null) {
                resolver.close();
            }
        }
    }