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https://github.com/nsnail/Ocelot.git
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Feature/poll consul (#392)
* WIP - implement a consul service discovery poller, lots of shared code with existing, refactor next and a todo in the docs to finish * #374 implement polling for consul as option * #374 updated docs to remove todo * #374 fixed failing unit test * #374 fixed failing unit test * #374 fixed failing acceptance test
This commit is contained in:
Tom Pallister
@ -1,154 +1,177 @@
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using System;
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using System.Collections.Generic;
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using Moq;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.Infrastructure.Consul;
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using Ocelot.Logging;
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using Ocelot.ServiceDiscovery;
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using Ocelot.ServiceDiscovery.Providers;
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using Shouldly;
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using TestStack.BDDfy;
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using Xunit;
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namespace Ocelot.UnitTests.ServiceDiscovery
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{
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using System;
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using System.Collections.Generic;
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using Moq;
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using Ocelot.Configuration;
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using Ocelot.Configuration.Builder;
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using Ocelot.Infrastructure.Consul;
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using Ocelot.Logging;
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using Ocelot.ServiceDiscovery;
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using Ocelot.ServiceDiscovery.Providers;
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using Shouldly;
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using TestStack.BDDfy;
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using Xunit;
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namespace Ocelot.UnitTests.ServiceDiscovery
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{
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using Pivotal.Discovery.Client;
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using Steeltoe.Common.Discovery;
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public class ServiceProviderFactoryTests
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{
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private ServiceProviderConfiguration _serviceConfig;
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private IServiceDiscoveryProvider _result;
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private readonly ServiceDiscoveryProviderFactory _factory;
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private DownstreamReRoute _reRoute;
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private Mock<IOcelotLoggerFactory> _loggerFactory;
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private Mock<IDiscoveryClient> _discoveryClient;
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public ServiceProviderFactoryTests()
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{
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_loggerFactory = new Mock<IOcelotLoggerFactory>();
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_discoveryClient = new Mock<IDiscoveryClient>();
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_factory = new ServiceDiscoveryProviderFactory(_loggerFactory.Object, new ConsulClientFactory(), _discoveryClient.Object);
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}
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[Fact]
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public void should_return_no_service_provider()
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{
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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var reRoute = new DownstreamReRouteBuilder().Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConfigurationServiceProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_list_of_configuration_services()
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{
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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var downstreamAddresses = new List<DownstreamHostAndPort>()
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{
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new DownstreamHostAndPort("asdf.com", 80),
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new DownstreamHostAndPort("abc.com", 80)
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};
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var reRoute = new DownstreamReRouteBuilder().WithDownstreamAddresses(downstreamAddresses).Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConfigurationServiceProvider>())
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.Then(x => ThenTheFollowingServicesAreReturned(downstreamAddresses))
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.BDDfy();
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}
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[Fact]
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public void should_return_consul_service_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConsulServiceDiscoveryProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_service_fabric_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.WithType("ServiceFabric")
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ServiceFabricServiceDiscoveryProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_eureka_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.WithType("Eureka")
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<EurekaServiceDiscoveryProvider>())
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.BDDfy();
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}
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private void ThenTheFollowingServicesAreReturned(List<DownstreamHostAndPort> downstreamAddresses)
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{
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var result = (ConfigurationServiceProvider)_result;
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var services = result.Get().Result;
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for (int i = 0; i < services.Count; i++)
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{
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var service = services[i];
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var downstreamAddress = downstreamAddresses[i];
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service.HostAndPort.DownstreamHost.ShouldBe(downstreamAddress.Host);
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service.HostAndPort.DownstreamPort.ShouldBe(downstreamAddress.Port);
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}
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}
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private void GivenTheReRoute(ServiceProviderConfiguration serviceConfig, DownstreamReRoute reRoute)
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{
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_serviceConfig = serviceConfig;
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_reRoute = reRoute;
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}
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private void WhenIGetTheServiceProvider()
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{
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_result = _factory.Get(_serviceConfig, _reRoute);
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}
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private void ThenTheServiceProviderIs<T>()
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{
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_result.ShouldBeOfType<T>();
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}
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}
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}
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public class ServiceProviderFactoryTests
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{
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private ServiceProviderConfiguration _serviceConfig;
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private IServiceDiscoveryProvider _result;
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private readonly ServiceDiscoveryProviderFactory _factory;
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private DownstreamReRoute _reRoute;
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private Mock<IOcelotLoggerFactory> _loggerFactory;
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private Mock<IDiscoveryClient> _discoveryClient;
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private Mock<IOcelotLogger> _logger;
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public ServiceProviderFactoryTests()
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{
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_loggerFactory = new Mock<IOcelotLoggerFactory>();
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_logger = new Mock<IOcelotLogger>();
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_loggerFactory.Setup(x => x.CreateLogger<PollingConsulServiceDiscoveryProvider>()).Returns(_logger.Object);
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_discoveryClient = new Mock<IDiscoveryClient>();
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var consulClient = new Mock<IConsulClientFactory>();
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_factory = new ServiceDiscoveryProviderFactory(_loggerFactory.Object, consulClient.Object, _discoveryClient.Object);
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}
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[Fact]
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public void should_return_no_service_provider()
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{
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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var reRoute = new DownstreamReRouteBuilder().Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConfigurationServiceProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_list_of_configuration_services()
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{
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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var downstreamAddresses = new List<DownstreamHostAndPort>()
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{
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new DownstreamHostAndPort("asdf.com", 80),
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new DownstreamHostAndPort("abc.com", 80)
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};
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var reRoute = new DownstreamReRouteBuilder().WithDownstreamAddresses(downstreamAddresses).Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConfigurationServiceProvider>())
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.Then(x => ThenTheFollowingServicesAreReturned(downstreamAddresses))
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.BDDfy();
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}
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[Fact]
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public void should_return_consul_service_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ConsulServiceDiscoveryProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_polling_consul_service_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.WithType("PollConsul")
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.WithPollingInterval(100000)
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<PollingConsulServiceDiscoveryProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_service_fabric_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.WithType("ServiceFabric")
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<ServiceFabricServiceDiscoveryProvider>())
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.BDDfy();
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}
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[Fact]
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public void should_return_eureka_provider()
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{
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var reRoute = new DownstreamReRouteBuilder()
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.WithServiceName("product")
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.WithUseServiceDiscovery(true)
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.Build();
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var serviceConfig = new ServiceProviderConfigurationBuilder()
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.WithType("Eureka")
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.Build();
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this.Given(x => x.GivenTheReRoute(serviceConfig, reRoute))
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.When(x => x.WhenIGetTheServiceProvider())
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.Then(x => x.ThenTheServiceProviderIs<EurekaServiceDiscoveryProvider>())
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.BDDfy();
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}
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private void ThenTheFollowingServicesAreReturned(List<DownstreamHostAndPort> downstreamAddresses)
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{
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var result = (ConfigurationServiceProvider)_result;
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var services = result.Get().Result;
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for (int i = 0; i < services.Count; i++)
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{
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var service = services[i];
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var downstreamAddress = downstreamAddresses[i];
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service.HostAndPort.DownstreamHost.ShouldBe(downstreamAddress.Host);
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service.HostAndPort.DownstreamPort.ShouldBe(downstreamAddress.Port);
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}
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}
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private void GivenTheReRoute(ServiceProviderConfiguration serviceConfig, DownstreamReRoute reRoute)
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{
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_serviceConfig = serviceConfig;
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_reRoute = reRoute;
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}
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private void WhenIGetTheServiceProvider()
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{
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_result = _factory.Get(_serviceConfig, _reRoute);
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}
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private void ThenTheServiceProviderIs<T>()
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{
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_result.ShouldBeOfType<T>();
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}
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}
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}
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