public async Task InvokeAsync_TaskFaultsAndNoFallback_ThrowsCommandException()
{
var command = new FaultingTaskWithoutFallbackCommand();
try
{
await command.InvokeAsync();
}
catch (CommandFailedException)
{
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_TaskFaultsAndNoFallback_ThrowsCommandException()
{
var command = new FaultingTaskWithoutFallbackCommand();
try
{
await command.InvokeAsync();
}
catch (CommandFailedException)
{
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_GeneralExceptionFromReturnedTask()
{
var mockStats = new Mock<IStats>();
var mockMetricEvents = new Mock<IMetricEvents>();
var command = new FaultingTaskWithoutFallbackCommand
{
Stats = mockStats.Object,
MetricEvents = mockMetricEvents.Object,
};
await Assert.ThrowsAsync<CommandFailedException>(command.InvokeAsync);
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback total", "Faulted", It.IsAny<TimeSpan>()), Times.Once);
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback execute", "Faulted", It.IsAny<TimeSpan>()), Times.Once);
mockMetricEvents.Verify(m => m.CommandInvoked("test.FaultingTaskWithoutFallback", It.IsAny<double>(), It.IsAny<double>(), "Faulted", "throw"));
mockMetricEvents.Verify(m => m.RejectedByBulkhead(It.IsAny<string>(), It.IsAny<string>()), Times.Never);
}
public async Task InvokeAsync_WhenCommandThrowsException_MarksMetricsCommandFailure()
{
var mockMetrics = new Mock <ICommandMetrics>();
var mockBreaker = CreateMockBreaker(true, mockMetrics);
var command = new FaultingTaskWithoutFallbackCommand
{
CircuitBreaker = mockBreaker.Object,
};
try
{
await command.InvokeAsync();
}
catch (Exception)
{
// Expected.
mockMetrics.Verify(m => m.MarkCommandFailure(), Times.Once);
}
}
public async Task InvokeAsync_GeneralExceptionFromReturnedTask()
{
var mockStats = new Mock<IStats>();
var command = new FaultingTaskWithoutFallbackCommand
{
Stats = mockStats.Object
};
try
{
await command.InvokeAsync();
}
catch (CommandFailedException)
{
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback total", "Faulted", It.IsAny<TimeSpan>()), Times.Once);
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback execute", "Faulted", It.IsAny<TimeSpan>()), Times.Once);
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_GeneralExceptionFromReturnedTask()
{
var mockStats = new Mock <IStats>();
var command = new FaultingTaskWithoutFallbackCommand
{
Stats = mockStats.Object
};
try
{
await command.InvokeAsync();
}
catch (CommandFailedException)
{
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback total", "Faulted", It.IsAny <TimeSpan>()), Times.Once);
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithoutFallback execute", "Faulted", It.IsAny <TimeSpan>()), Times.Once);
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_WhenCommandThrowsException_MarksMetricsCommandFailure()
{
var mockMetrics = new Mock<ICommandMetrics>();
var mockBreaker = CreateMockBreaker(true, mockMetrics);
var command = new FaultingTaskWithoutFallbackCommand
{
CircuitBreaker = mockBreaker.Object,
};
var e = await Assert.ThrowsAsync<CommandFailedException>(() => command.InvokeAsync());
mockMetrics.Verify(m => m.MarkCommandFailure(), Times.Once);
}
public async Task InvokeAsync_TaskFaultsAndNoFallback_ThrowsCommandException()
{
var command = new FaultingTaskWithoutFallbackCommand();
await Assert.ThrowsAsync<CommandFailedException>(() => command.InvokeAsync());
}
public async Task InvokeAsync_WhenCommandThrowsException_MarksMetricsCommandFailure()
{
var mockMetrics = new Mock<ICommandMetrics>();
var mockBreaker = CreateMockBreaker(true, mockMetrics);
var command = new FaultingTaskWithoutFallbackCommand
{
CircuitBreaker = mockBreaker.Object,
};
try
{
await command.InvokeAsync();
}
catch (Exception)
{
// Expected.
mockMetrics.Verify(m => m.MarkCommandFailure(), Times.Once);
}
}
