public void CustomFormatter_GetsStructuredState()
{
var actualState = new List <KeyValuePair <string, object> >();
string TestFormatter(LogEvent logEvent)
{
actualState.AddRange(logEvent.State);
return(logEvent.Message);
}
var settings = new StubbedSettings
{
Formatter = TestFormatter,
};
var timestamp = new DateTime(2018, 06, 01, 0, 0, 0, DateTimeKind.Utc);
DockerShimRunner.Main(settings,
context => context.LoggerFactory.CreateLogger("testlogger")
.LogInformation("Hello from {source} at {timestamp:o}!", "sourceValue", timestamp));
Assert.That(settings.StubStringLog.Messages,
Has.Some.Contains("Hello from sourceValue at 2018-06-01T00:00:00.0000000Z!"));
Assert.That(actualState, Has.Some.EqualTo(new KeyValuePair <string, object>("source", "sourceValue")));
Assert.That(actualState, Has.Some.EqualTo(new KeyValuePair <string, object>("timestamp", timestamp)));
}
public void Main_ExecutesAction()
{
var executed = false;
DockerShimRunner.Main(new StubbedSettings(), _ => { executed = true; });
Assert.That(executed, Is.EqualTo(true));
}
public void Action_ThrowsException_IsLogged()
{
var settings = new StubbedSettings();
DockerShimRunner.Main(settings, (Action <DockerShimContext>)(_ => throw new InvalidOperationException("Test message")));
Assert.That(settings.StubStringLog.Messages, Has.Some.Contains("Test message"));
}
public void ExceptionLogging_EscapesEolCharacters()
{
var settings = new StubbedSettings();
DockerShimRunner.Main(settings, (Action <DockerShimContext>)(_ => throw new InvalidOperationException("test message")));
Assert.That(settings.StubStringLog.Messages, Has.Some.Contains("test message"));
Assert.That(settings.StubStringLog.Messages, Has.None.Contains("\n"));
}
public void Action_ThrowsException_IsTranslatedIntoExitCode64()
{
var settings = new StubbedSettings();
DockerShimRunner.Main(settings, (Action <DockerShimContext>)(_ => throw new InvalidOperationException()));
Assert.That(settings.StubExitProcessService.ExitCode, Is.Not.Null);
Assert.That(settings.StubExitProcessService.ExitCode, Is.EqualTo(64));
}
public void ExitCode_WhenActionSpecifiesReturnValue_IsActionReturnValue()
{
var settings = new StubbedSettings();
DockerShimRunner.Main(settings, _ => 13);
Assert.That(settings.StubExitProcessService.ExitCode, Is.Not.Null);
Assert.That(settings.StubExitProcessService.ExitCode, Is.EqualTo(13));
}
public void ExitCode_WhenActionHasNoReturnValue_IsZero()
{
var settings = new StubbedSettings();
DockerShimRunner.Main(settings, _ => { });
Assert.That(settings.StubExitProcessService.ExitCode, Is.Not.Null);
Assert.That(settings.StubExitProcessService.ExitCode, Is.EqualTo(0));
}
public void CustomLogger_IsUsedForLoggingConsoleOutput()
{
var settings = new StubbedSettings
{
StubLoggerProvider = new StubLoggerProvider(),
};
DockerShimRunner.Main(settings, context => context.LoggingConsoleStdout.WriteLine("Hello there"));
Assert.That(settings.StubStringLog.Messages, Is.Empty);
Assert.That(settings.StubLoggerProvider.Messages, Has.Some.Matches(Has.Property("Message").EqualTo("Hello there")));
}
public void CustomLogger_IsUsedForDockerShimLogging()
{
var settings = new StubbedSettings
{
StubLoggerProvider = new StubLoggerProvider(),
};
var exception = new InvalidOperationException("test message");
DockerShimRunner.Main(settings, (Action <DockerShimContext>)(context => throw exception));
Assert.That(settings.StubStringLog.Messages, Is.Empty);
Assert.That(settings.StubLoggerProvider.Messages,
Has.Some.Matches(Has.Property("CategoryName").EqualTo("DockerShim") & Has.Property("Exception").EqualTo(exception)));
}
public async Task ExitRequestedCancellationException_WhenExitRequested_IsTreatedAsNormalException()
{
var settings = new StubbedSettings();
var ready = new ManualResetEventSlim();
var task = Task.Run(() => DockerShimRunner.Main(settings, async context =>
{
ready.Set();
await Task.Delay(Timeout.InfiniteTimeSpan, context.ExitRequestedToken);
}));
ready.Wait();
var _ = Task.Run(() => settings.StubSignalService.Invoke("testSignal"));
await task;
Assert.That(settings.StubExitProcessService.ExitCode, Is.Zero);
}
public void CustomLogger_IsUsedForApplicationLogging()
{
var settings = new StubbedSettings
{
StubLoggerProvider = new StubLoggerProvider(),
};
var timestamp = new DateTime(2018, 06, 01, 0, 0, 0, DateTimeKind.Utc);
DockerShimRunner.Main(settings,
context => context.LoggerFactory.CreateLogger("testlogger")
.LogInformation("Hello from {source} at {timestamp:o}!", "sourceValue", timestamp));
Assert.That(settings.StubStringLog.Messages, Is.Empty);
Assert.That(settings.StubLoggerProvider.Messages, Has.Some.Matches(
Has.Property("CategoryName").EqualTo("testlogger") &
Has.Property("Message").EqualTo("Hello from sourceValue at 2018-06-01T00:00:00.0000000Z!") &
Has.Property("State").Some.EqualTo(new KeyValuePair <string, object>("source", "sourceValue")) &
Has.Property("State").Some.EqualTo(new KeyValuePair <string, object>("timestamp", timestamp))));
}
public void ApplicationCode_ExceedsMaximumRuntime_ShutdownIsRequested()
{
var settings = new StubbedSettings
{
StubExitTimeout = Timeout.InfiniteTimeSpan,
StubMaximumRuntime = TimeSpan.FromSeconds(1),
};
CancellationToken exitRequested;
DockerShimRunner.Main(settings, async context =>
{
exitRequested = context.ExitRequestedToken;
await Task.Delay(settings.StubMaximumRuntime * 2, context.ExitRequestedToken);
});
Assert.That(exitRequested.IsCancellationRequested, Is.True);
Assert.That(settings.StubExitProcessService.ExitCode, Is.Zero);
}
public void Signal_WhenApplicationCodeTakesTooLong_ExitsProcessWithCode66()
{
var settings = new StubbedSettings();
var ready = new ManualResetEventSlim();
var finish = new ManualResetEventSlim();
Task.Run(() => DockerShimRunner.Main(settings, context =>
{
ready.Set();
finish.Wait();
}));
ready.Wait();
Task.Run(() => settings.StubSignalService.Invoke("testSignal"));
Thread.Sleep(settings.StubExitTimeout * 2);
Assert.That(settings.StubExitProcessService.ExitCode, Is.EqualTo(66));
finish.Set();
}
public async Task Signal_BlocksHandlerUntilAppExits()
{
var settings = new StubbedSettings();
var ready = new ManualResetEvent(false);
var finish = new ManualResetEvent(false);
var mainTask = Task.Run(() => DockerShimRunner.Main(settings, context =>
{
ready.Set();
finish.WaitOne();
}));
ready.WaitOne();
// The signal handler should block until mainTask completes.
var signalTask = Task.Run(() => settings.StubSignalService.Invoke("testSignal"));
var signalTaskCompleted = signalTask.Wait(TimeSpan.FromMilliseconds(200));
Assert.That(signalTaskCompleted, Is.False);
finish.Set();
await mainTask;
await signalTask;
}
public void Signal_CancelsExitRequested()
{
var settings = new StubbedSettings();
var ready = new ManualResetEvent(false);
var finish = new ManualResetEvent(false);
var cancellationTokenSourceSet = new ManualResetEvent(false);
CancellationToken exitRequested;
Task.Run(() => DockerShimRunner.Main(settings, context =>
{
exitRequested = context.ExitRequestedToken;
ready.Set();
finish.WaitOne();
}));
ready.WaitOne();
exitRequested.Register(() => cancellationTokenSourceSet.Set());
Task.Run(() => settings.StubSignalService.Invoke("testSignal"));
cancellationTokenSourceSet.WaitOne();
Assert.That(exitRequested.IsCancellationRequested, Is.True);
finish.Set();
}
