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test should be at least once
This commit is contained in:
Tom Gardham-Pallister
@@ -1,158 +1,174 @@
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using Moq;
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using Ocelot.Configuration.File;
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using Ocelot.Configuration.Repository;
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using Ocelot.Configuration.Setter;
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using Ocelot.Logging;
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using Ocelot.Responses;
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using Ocelot.UnitTests.Responder;
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using TestStack.BDDfy;
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using Xunit;
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using Shouldly;
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using static Ocelot.Infrastructure.Wait;
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namespace Ocelot.UnitTests.Configuration
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{
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public class ConsulFileConfigurationPollerTests : IDisposable
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{
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private ConsulFileConfigurationPoller _poller;
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private Mock<IOcelotLoggerFactory> _factory;
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private Mock<IFileConfigurationRepository> _repo;
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private Mock<IFileConfigurationSetter> _setter;
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private FileConfiguration _fileConfig;
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private Mock<IConsulPollerConfiguration> _config;
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public ConsulFileConfigurationPollerTests()
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{
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var logger = new Mock<IOcelotLogger>();
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_factory = new Mock<IOcelotLoggerFactory>();
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_factory.Setup(x => x.CreateLogger<ConsulFileConfigurationPoller>()).Returns(logger.Object);
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_repo = new Mock<IFileConfigurationRepository>();
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_setter = new Mock<IFileConfigurationSetter>();
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_fileConfig = new FileConfiguration();
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_config = new Mock<IConsulPollerConfiguration>();
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_repo.Setup(x => x.Get()).ReturnsAsync(new OkResponse<FileConfiguration>(_fileConfig));
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_config.Setup(x => x.Delay).Returns(100);
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_poller = new ConsulFileConfigurationPoller(_factory.Object, _repo.Object, _setter.Object, _config.Object);
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}
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public void Dispose()
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{
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_poller.Dispose();
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}
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[Fact]
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public void should_start()
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{
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this.Given(x => ThenTheSetterIsCalled(_fileConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_call_setter_when_gets_new_config()
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{
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var newConfig = new FileConfiguration {
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenTheConfigIsChangedInConsul(newConfig, 0))
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.Then(x => ThenTheSetterIsCalled(newConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_not_poll_if_already_polling()
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{
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var newConfig = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenTheConfigIsChangedInConsul(newConfig, 10))
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.Then(x => ThenTheSetterIsCalled(newConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_do_nothing_if_call_to_consul_fails()
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{
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var newConfig = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenConsulErrors())
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.Then(x => ThenTheSetterIsCalled(newConfig, 0))
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.BDDfy();
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}
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private void WhenConsulErrors()
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{
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_repo
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.Setup(x => x.Get())
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.ReturnsAsync(new ErrorResponse<FileConfiguration>(new AnyError()));
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}
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private void WhenTheConfigIsChangedInConsul(FileConfiguration newConfig, int delay)
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{
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_repo
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.Setup(x => x.Get())
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.Callback(() => Thread.Sleep(delay))
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.ReturnsAsync(new OkResponse<FileConfiguration>(newConfig));
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}
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private void ThenTheSetterIsCalled(FileConfiguration fileConfig, int times)
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{
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var result = WaitFor(2000).Until(() => {
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try
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{
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_setter.Verify(x => x.Set(fileConfig), Times.Exactly(times));
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return true;
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}
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catch(Exception)
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{
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return false;
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}
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});
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result.ShouldBeTrue();
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}
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}
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}
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using Moq;
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using Ocelot.Configuration.File;
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using Ocelot.Configuration.Repository;
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using Ocelot.Configuration.Setter;
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using Ocelot.Logging;
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using Ocelot.Responses;
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using Ocelot.UnitTests.Responder;
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using TestStack.BDDfy;
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using Xunit;
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using Shouldly;
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using static Ocelot.Infrastructure.Wait;
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namespace Ocelot.UnitTests.Configuration
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{
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public class ConsulFileConfigurationPollerTests : IDisposable
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{
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private ConsulFileConfigurationPoller _poller;
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private Mock<IOcelotLoggerFactory> _factory;
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private Mock<IFileConfigurationRepository> _repo;
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private Mock<IFileConfigurationSetter> _setter;
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private FileConfiguration _fileConfig;
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private Mock<IConsulPollerConfiguration> _config;
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public ConsulFileConfigurationPollerTests()
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{
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var logger = new Mock<IOcelotLogger>();
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_factory = new Mock<IOcelotLoggerFactory>();
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_factory.Setup(x => x.CreateLogger<ConsulFileConfigurationPoller>()).Returns(logger.Object);
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_repo = new Mock<IFileConfigurationRepository>();
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_setter = new Mock<IFileConfigurationSetter>();
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_fileConfig = new FileConfiguration();
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_config = new Mock<IConsulPollerConfiguration>();
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_repo.Setup(x => x.Get()).ReturnsAsync(new OkResponse<FileConfiguration>(_fileConfig));
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_config.Setup(x => x.Delay).Returns(100);
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_poller = new ConsulFileConfigurationPoller(_factory.Object, _repo.Object, _setter.Object, _config.Object);
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}
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public void Dispose()
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{
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_poller.Dispose();
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}
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[Fact]
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public void should_start()
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{
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this.Given(x => ThenTheSetterIsCalled(_fileConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_call_setter_when_gets_new_config()
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{
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var newConfig = new FileConfiguration {
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenTheConfigIsChangedInConsul(newConfig, 0))
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.Then(x => ThenTheSetterIsCalledAtLeast(newConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_not_poll_if_already_polling()
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{
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var newConfig = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenTheConfigIsChangedInConsul(newConfig, 10))
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.Then(x => ThenTheSetterIsCalled(newConfig, 1))
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.BDDfy();
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}
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[Fact]
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public void should_do_nothing_if_call_to_consul_fails()
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{
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var newConfig = new FileConfiguration
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{
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ReRoutes = new List<FileReRoute>
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{
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new FileReRoute
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{
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DownstreamHostAndPorts = new List<FileHostAndPort>
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{
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new FileHostAndPort
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{
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Host = "test"
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}
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},
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}
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}
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};
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this.Given(x => WhenConsulErrors())
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.Then(x => ThenTheSetterIsCalled(newConfig, 0))
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.BDDfy();
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}
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private void WhenConsulErrors()
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{
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_repo
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.Setup(x => x.Get())
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.ReturnsAsync(new ErrorResponse<FileConfiguration>(new AnyError()));
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}
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private void WhenTheConfigIsChangedInConsul(FileConfiguration newConfig, int delay)
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{
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_repo
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.Setup(x => x.Get())
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.Callback(() => Thread.Sleep(delay))
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.ReturnsAsync(new OkResponse<FileConfiguration>(newConfig));
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}
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private void ThenTheSetterIsCalled(FileConfiguration fileConfig, int times)
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{
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var result = WaitFor(2000).Until(() => {
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try
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{
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_setter.Verify(x => x.Set(fileConfig), Times.Exactly(times));
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return true;
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}
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catch(Exception)
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{
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return false;
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}
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});
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result.ShouldBeTrue();
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}
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private void ThenTheSetterIsCalledAtLeast(FileConfiguration fileConfig, int times)
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{
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var result = WaitFor(2000).Until(() => {
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try
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{
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_setter.Verify(x => x.Set(fileConfig), Times.AtLeast(times));
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return true;
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}
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catch(Exception)
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{
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return false;
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}
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});
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result.ShouldBeTrue();
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}
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}
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}
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