public void WhenDnsFeatureStopped_ThenDnsServerSuccessfullyStops()
{
// Arrange.
Mock <IDnsServer> dnsServer = new Mock <IDnsServer>();
Action <int, CancellationToken> action = (port, token) =>
{
while (true)
{
token.ThrowIfCancellationRequested();
Thread.Sleep(50);
}
};
dnsServer.Setup(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>())).Callback(action);
Mock <IWhitelistManager> mockWhitelistManager = new Mock <IWhitelistManager>();
IWhitelistManager whitelistManager = mockWhitelistManager.Object;
CancellationTokenSource source = new CancellationTokenSource();
Mock <INodeLifetime> nodeLifetime = new Mock <INodeLifetime>();
nodeLifetime.Setup(n => n.StopApplication()).Callback(() => source.Cancel());
nodeLifetime.Setup(n => n.ApplicationStopping).Returns(source.Token);
INodeLifetime nodeLifetimeObject = nodeLifetime.Object;
NodeSettings nodeSettings = NodeSettings.Default();
nodeSettings.DataDir = Directory.GetCurrentDirectory();
DataFolder dataFolder = CreateDataFolder(this);
Mock <ILogger> logger = new Mock <ILogger>(MockBehavior.Loose);
Mock <ILoggerFactory> loggerFactory = new Mock <ILoggerFactory>();
loggerFactory.Setup <ILogger>(f => f.CreateLogger(It.IsAny <string>())).Returns(logger.Object);
IAsyncLoopFactory asyncLoopFactory = new AsyncLoopFactory(loggerFactory.Object);
// Act.
DnsFeature feature = new DnsFeature(dnsServer.Object, whitelistManager, loggerFactory.Object, nodeLifetimeObject, DnsSettings.Load(nodeSettings), nodeSettings, dataFolder, asyncLoopFactory);
feature.Initialize();
nodeLifetimeObject.StopApplication();
bool waited = source.Token.WaitHandle.WaitOne(5000);
// Assert.
feature.Should().NotBeNull();
waited.Should().BeTrue();
dnsServer.Verify(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>()), Times.Once);
}
public void WhenDnsServerFailsToStart_ThenDnsFeatureRetries()
{
// Arrange.
Mock <IDnsServer> dnsServer = new Mock <IDnsServer>();
Action <int, CancellationToken> action = (port, token) =>
{
throw new ArgumentException("Bad port");
};
dnsServer.Setup(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>())).Callback(action);
Mock <IWhitelistManager> mockWhitelistManager = new Mock <IWhitelistManager>();
IWhitelistManager whitelistManager = mockWhitelistManager.Object;
CancellationTokenSource source = new CancellationTokenSource(3000);
Mock <INodeLifetime> nodeLifetime = new Mock <INodeLifetime>();
nodeLifetime.Setup(n => n.StopApplication()).Callback(() => source.Cancel());
nodeLifetime.Setup(n => n.ApplicationStopping).Returns(source.Token);
INodeLifetime nodeLifetimeObject = nodeLifetime.Object;
NodeSettings nodeSettings = NodeSettings.Default();
nodeSettings.DataDir = Directory.GetCurrentDirectory();
DataFolder dataFolder = CreateDataFolder(this);
Mock <ILogger> logger = new Mock <ILogger>();
bool serverError = false;
logger.Setup(l => l.Log(LogLevel.Error, It.IsAny <EventId>(), It.IsAny <FormattedLogValues>(), It.IsAny <Exception>(), It.IsAny <Func <object, Exception, string> >())).Callback <LogLevel, EventId, object, Exception, Func <object, Exception, string> >((level, id, state, e, f) => serverError = state.ToString().StartsWith("Failed whilst running the DNS server"));
Mock <ILoggerFactory> loggerFactory = new Mock <ILoggerFactory>();
loggerFactory.Setup <ILogger>(f => f.CreateLogger(It.IsAny <string>())).Returns(logger.Object);
IAsyncLoopFactory asyncLoopFactory = new AsyncLoopFactory(loggerFactory.Object);
// Act.
DnsFeature feature = new DnsFeature(dnsServer.Object, whitelistManager, loggerFactory.Object, nodeLifetimeObject, DnsSettings.Load(nodeSettings), nodeSettings, dataFolder, asyncLoopFactory);
feature.Initialize();
bool waited = source.Token.WaitHandle.WaitOne(5000);
// Assert.
feature.Should().NotBeNull();
waited.Should().BeTrue();
dnsServer.Verify(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>()), Times.AtLeastOnce);
serverError.Should().BeTrue();
}
public void WhenConstructorCalled_AndAllParametersValid_ThenTypeCreated()
{
// Arrange.
IDnsServer dnsServer = new Mock <IDnsServer>().Object;
IWhitelistManager whitelistManager = new Mock <IWhitelistManager>().Object;
INodeLifetime nodeLifetime = new Mock <INodeLifetime>().Object;
NodeSettings nodeSettings = NodeSettings.Default();
DataFolder dataFolder = CreateDataFolder(this);
ILoggerFactory loggerFactory = new Mock <ILoggerFactory>().Object;
IAsyncLoopFactory asyncLoopFactory = new Mock <IAsyncLoopFactory>().Object;
// Act.
DnsFeature feature = new DnsFeature(dnsServer, whitelistManager, loggerFactory, nodeLifetime, DnsSettings.Load(nodeSettings), nodeSettings, dataFolder, asyncLoopFactory);
// Assert.
feature.Should().NotBeNull();
}
public void WhenInitialize_ThenRefreshLoopIsStarted()
{
// Arrange.
Mock <IWhitelistManager> mockWhitelistManager = new Mock <IWhitelistManager>();
mockWhitelistManager.Setup(w => w.RefreshWhitelist()).Verifiable("the RefreshWhitelist method should be called on the WhitelistManager");
IWhitelistManager whitelistManager = mockWhitelistManager.Object;
Mock <ILogger> mockLogger = new Mock <ILogger>();
Mock <ILoggerFactory> mockLoggerFactory = new Mock <ILoggerFactory>();
mockLoggerFactory.Setup(l => l.CreateLogger(It.IsAny <string>())).Returns(mockLogger.Object);
ILoggerFactory loggerFactory = mockLoggerFactory.Object;
IAsyncLoopFactory asyncLoopFactory = new AsyncLoopFactory(loggerFactory);
INodeLifetime nodeLifeTime = new NodeLifetime();
IDnsServer dnsServer = new Mock <IDnsServer>().Object;
CancellationTokenSource source = new CancellationTokenSource(3000);
Mock <INodeLifetime> nodeLifetime = new Mock <INodeLifetime>();
nodeLifetime.Setup(n => n.StopApplication()).Callback(() => source.Cancel());
nodeLifetime.Setup(n => n.ApplicationStopping).Returns(source.Token);
INodeLifetime nodeLifetimeObject = nodeLifetime.Object;
NodeSettings nodeSettings = NodeSettings.Default();
nodeSettings.DataDir = Directory.GetCurrentDirectory();
DataFolder dataFolder = CreateDataFolder(this);
using (DnsFeature feature = new DnsFeature(dnsServer, whitelistManager, loggerFactory, nodeLifetimeObject, DnsSettings.Load(nodeSettings), nodeSettings, dataFolder, asyncLoopFactory))
{
// Act.
feature.Initialize();
bool waited = source.Token.WaitHandle.WaitOne(5000);
// Assert.
feature.Should().NotBeNull();
waited.Should().BeTrue();
mockWhitelistManager.Verify();
}
}
public void WhenDnsFeatureInitialized_ThenDnsServerSuccessfullyStarts()
{
// Arrange.
Mock <IDnsServer> dnsServer = new Mock <IDnsServer>();
ManualResetEventSlim waitObject = new ManualResetEventSlim(false);
Action <int, CancellationToken> action = (port, token) =>
{
waitObject.Set();
throw new OperationCanceledException();
};
dnsServer.Setup(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>())).Callback(action);
Mock <IWhitelistManager> whitelistManager = new Mock <IWhitelistManager>();
Mock <INodeLifetime> nodeLifetime = new Mock <INodeLifetime>();
NodeSettings nodeSettings = NodeSettings.Default();
nodeSettings.DataDir = Directory.GetCurrentDirectory();
DataFolder dataFolder = CreateDataFolder(this);
Mock <ILogger> logger = new Mock <ILogger>(MockBehavior.Loose);
Mock <ILoggerFactory> loggerFactory = new Mock <ILoggerFactory>();
loggerFactory.Setup <ILogger>(f => f.CreateLogger(It.IsAny <string>())).Returns(logger.Object);
IAsyncLoopFactory asyncLoopFactory = new AsyncLoopFactory(loggerFactory.Object);
// Act.
DnsFeature feature = new DnsFeature(dnsServer.Object, whitelistManager.Object, loggerFactory.Object, nodeLifetime.Object, DnsSettings.Load(nodeSettings), nodeSettings, dataFolder, asyncLoopFactory);
feature.Initialize();
bool waited = waitObject.Wait(5000);
// Assert.
feature.Should().NotBeNull();
waited.Should().BeTrue();
dnsServer.Verify(s => s.ListenAsync(It.IsAny <int>(), It.IsAny <CancellationToken>()), Times.Once);
}