Examples with ConfigOrError io.grpc.NameResolver.ConfigOrError used on opensource projects

Example 6 with ConfigOrError

use of io.grpc.NameResolver.ConfigOrError in project grpc-java by grpc.

the class AutoConfiguredLoadBalancerFactoryTest method handleResolvedAddressGroups_shutsDownOldBalancer.

@Test
public void handleResolvedAddressGroups_shutsDownOldBalancer() throws Exception {
    Map<String, ?> serviceConfig = parseConfig("{\"loadBalancingConfig\": [ {\"round_robin\": { } } ] }");
    ConfigOrError lbConfigs = lbf.parseLoadBalancerPolicy(serviceConfig);
    final List<EquivalentAddressGroup> servers = Collections.singletonList(new EquivalentAddressGroup(new SocketAddress() {
    }));
    Helper helper = new TestHelper() {

        @Override
        public Subchannel createSubchannel(CreateSubchannelArgs args) {
            assertThat(args.getAddresses()).isEqualTo(servers);
            return new TestSubchannel(args);
        }
    };
    AutoConfiguredLoadBalancer lb = lbf.newLoadBalancer(helper);
    final AtomicBoolean shutdown = new AtomicBoolean();
    TestLoadBalancer testlb = new TestLoadBalancer() {

        @Override
        public void handleNameResolutionError(Status error) {
        // noop
        }

        @Override
        public void shutdown() {
            shutdown.set(true);
        }
    };
    lb.setDelegate(testlb);
    Status handleResult = lb.tryHandleResolvedAddresses(ResolvedAddresses.newBuilder().setAddresses(servers).setLoadBalancingPolicyConfig(lbConfigs.getConfig()).build());
    assertThat(handleResult.getCode()).isEqualTo(Status.Code.OK);
    assertThat(lb.getDelegateProvider().getClass().getName()).isEqualTo("io.grpc.util.SecretRoundRobinLoadBalancerProvider$Provider");
    assertTrue(shutdown.get());
}

Example 7 with ConfigOrError

use of io.grpc.NameResolver.ConfigOrError in project grpc-java by grpc.

the class AutoConfiguredLoadBalancerFactoryTest method parseLoadBalancerConfig_lbConfigPropagated.

@Test
public void parseLoadBalancerConfig_lbConfigPropagated() throws Exception {
    Map<String, ?> rawServiceConfig = parseConfig("{\"loadBalancingConfig\": [" + "{\"grpclb\": {\"childPolicy\": [ {\"pick_first\": {} } ] } }" + "] }");
    ConfigOrError parsed = lbf.parseLoadBalancerPolicy(rawServiceConfig);
    assertThat(parsed).isNotNull();
    assertThat(parsed.getConfig()).isNotNull();
    PolicySelection policySelection = (PolicySelection) parsed.getConfig();
    assertThat(policySelection.config).isNotNull();
    assertThat(policySelection.provider).isInstanceOf(GrpclbLoadBalancerProvider.class);
    verifyNoInteractions(channelLogger);
}

Example 8 with ConfigOrError

use of io.grpc.NameResolver.ConfigOrError in project grpc-java by grpc.

the class ServiceConfigStateTest method lookup_default_onPresent_onPresent.

@Test
public void lookup_default_onPresent_onPresent() {
    ServiceConfigState scs = new ServiceConfigState(serviceConfig1, true);
    ManagedChannelServiceConfig serviceConfig3 = new ManagedChannelServiceConfig(null, Collections.<String, MethodInfo>emptyMap(), Collections.<String, MethodInfo>emptyMap(), null, null, null);
    ConfigOrError config3 = ConfigOrError.fromConfig(serviceConfig3);
    scs.update(config2);
    assertFalse(scs.shouldWaitOnServiceConfig());
    assertSame(config2, scs.getCurrent());
    scs.update(config3);
    assertSame(config3, scs.getCurrent());
}

Example 9 with ConfigOrError

use of io.grpc.NameResolver.ConfigOrError in project grpc-java by grpc.

the class RingHashLoadBalancerProviderTest method parseLoadBalancingConfig_missingRingSize_useDefaults.

@Test
public void parseLoadBalancingConfig_missingRingSize_useDefaults() throws IOException {
    String lbConfig = "{}";
    ConfigOrError configOrError = provider.parseLoadBalancingPolicyConfig(parseJsonObject(lbConfig));
    assertThat(configOrError.getConfig()).isNotNull();
    RingHashConfig config = (RingHashConfig) configOrError.getConfig();
    assertThat(config.minRingSize).isEqualTo(RingHashLoadBalancerProvider.DEFAULT_MIN_RING_SIZE);
    assertThat(config.maxRingSize).isEqualTo(RingHashLoadBalancerProvider.DEFAULT_MAX_RING_SIZE);
}

Example 10 with ConfigOrError

use of io.grpc.NameResolver.ConfigOrError in project grpc-java by grpc.

the class RingHashLoadBalancerProviderTest method parseLoadBalancingConfig_zeroMinRingSize.

@Test
public void parseLoadBalancingConfig_zeroMinRingSize() throws IOException {
    String lbConfig = "{\"minRingSize\" : 0, \"maxRingSize\" : 100}";
    ConfigOrError configOrError = provider.parseLoadBalancingPolicyConfig(parseJsonObject(lbConfig));
    assertThat(configOrError.getError()).isNotNull();
    assertThat(configOrError.getError().getCode()).isEqualTo(Code.INVALID_ARGUMENT);
    assertThat(configOrError.getError().getDescription()).isEqualTo("Invalid 'mingRingSize'/'maxRingSize'");
}