Dietrich Schulten created CAMEL-16567:
-----------------------------------------

             Summary: Mocking of consul producers fails
                 Key: CAMEL-16567
                 URL: https://issues.apache.org/jira/browse/CAMEL-16567
             Project: Camel
          Issue Type: Bug
          Components: camel-consul
    Affects Versions: 3.9.0
            Reporter: Dietrich Schulten


It is not possible to mock consul producers, at least I have tried with the 
catalog and agent producers. Test:
{code:java}
public class MockAgentTest extends CamelTestSupport {

    @Test
    public void testMockAgent() throws Exception {
        MockEndpoint mockConsulAgent = getMockEndpoint("mock:consul:agent");

        AdviceWith.adviceWith(context, "servicesRoute", a -> {
            a.mockEndpointsAndSkip("consul:agent*");
        });
        mockConsulAgent.returnReplyBody(constant(ImmutableMap.of("foo-1", 
ImmutableService.builder()
            .id("foo-1")
            .service("foo")
            .address("localhost")
            .port(80)
            .build())));

        @SuppressWarnings("unchecked")
        Map<String, Service> result = 
fluentTemplate.to("direct:start").request(Map.class);
    }

    @Override
    protected RoutesBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").to("consul:agent?action=" + 
ConsulAgentActions.SERVICES);
            }
        };
    }
}
{code}
Error:
{code:java}
org.apache.camel.FailedToStartRouteException: Failed to start route 
servicesRoute because of null
 at org.apache.camel.impl.engine.RouteService.warmUp(RouteService.java:123) 
...
Caused by: java.lang.NullPointerException at 
org.apache.camel.support.HeaderSelectorProducer.doBuild(HeaderSelectorProducer.java:150)
 at org.apache.camel.support.service.BaseService.build(BaseService.java:63) at 
org.apache.camel.support.service.ServiceHelper.buildService(ServiceHelper.java:55)
 at 
org.apache.camel.support.service.ServiceHelper.buildService(ServiceHelper.java:72)
 at 
org.apache.camel.processor.InterceptSendToEndpointProcessor.doBuild(InterceptSendToEndpointProcessor.java:151)
 at org.apache.camel.support.service.BaseService.build(BaseService.java:63) at 
org.apache.camel.support.service.BaseService.init(BaseService.java:79) at 
org.apache.camel.support.service.BaseService.start(BaseService.java:111) at 
org.apache.camel.support.service.ServiceHelper.startService(ServiceHelper.java:113)
 at 
org.apache.camel.impl.engine.AbstractCamelContext.internalAddService(AbstractCamelContext.java:1465)
 at 
org.apache.camel.impl.engine.AbstractCamelContext.addService(AbstractCamelContext.java:1383)
 at org.apache.camel.processor.SendProcessor.doStart(SendProcessor.java:247) at 
org.apache.camel.support.service.BaseService.start(BaseService.java:119) at 
org.apache.camel.support.service.ServiceHelper.startService(ServiceHelper.java:113)
 at 
org.apache.camel.support.service.ServiceHelper.startService(ServiceHelper.java:130)
 at 
org.apache.camel.processor.errorhandler.RedeliveryErrorHandler.doStart(RedeliveryErrorHandler.java:1638)
 at 
org.apache.camel.support.ChildServiceSupport.start(ChildServiceSupport.java:60) 
... 92 more{code}
The reason is that {{camelContext}} is {{null}} in {{HeaderSelectorProducer}}, 
but I am still unsure why that is:
{code:java}
@Override
protected void doBuild() throws Exception {
    super.doBuild();

    String key = this.getClass().getName();
    String fqn = RESOURCE_PATH + key;
    // -------- camelContext is null here:
    strategy = 
camelContext.adapt(ExtendedCamelContext.class).getBootstrapFactoryFinder(RESOURCE_PATH)
            .newInstance(key, InvokeOnHeaderStrategy.class)
            .orElseThrow(() -> new IllegalArgumentException("Cannot find " + 
fqn + " in classpath.")); 
    ...{code}
Same with catalog:
{code:java}
 public class MockCatalogTest extends CamelTestSupport {

    @Test
    public void testMockCatalog() throws Exception {
        MockEndpoint mockConsulAgent = getMockEndpoint("mock:consul:catalog");

        AdviceWith.adviceWith(context, "servicesRoute", a -> {
            a.mockEndpointsAndSkip("consul:catalog*");
        });
        
mockConsulAgent.returnReplyBody(constant(singletonList(ImmutableNode.builder().node("node-1").build())));

        @SuppressWarnings("unchecked")
        Map<String, Service> result = 
fluentTemplate.to("direct:start").request(Map.class);
    }

    @Override
    protected RoutesBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").to("consul:catalog?action=" + 
ConsulCatalogActions.LIST_NODES);
            }
        };
    }
}
{code}



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