public void MoveToThrowsOnNonExistingCollector()
{
var source = new CollectorRegistry();
var destination = new CollectorRegistry();
Assert.Throws <ArgumentOutOfRangeException>(() => source.MoveTo("test_counter", destination));
}
public void MoveToThrowsOnNullDestination()
{
var source = new CollectorRegistry();
var factory = new MetricFactory(source);
factory.CreateCounter("test_counter", string.Empty).Inc();
Assert.Throws <ArgumentNullException>(() => source.MoveTo("test_counter", null));
}
public void MoveToAddsCollectorToDestination()
{
var source = new CollectorRegistry();
var factory = new MetricFactory(source);
var destination = new CollectorRegistry();
factory.CreateCounter("test_counter", string.Empty).Inc();
source.MoveTo("test_counter", destination);
Assert.True(destination.TryGet("test_counter", out _));
}
public void MoveToRemovesCollectorFromSource()
{
var source = new CollectorRegistry();
var factory = new MetricFactory(source);
var destination = new CollectorRegistry();
factory.CreateCounter("test_counter", string.Empty).Inc();
source.MoveTo("test_counter", destination);
Assert.False(source.TryGet("test_counter", out _));
}