public void DeltaPropagationSelector_must_merge_deltas()
{
var delta1 = GSet <string> .Empty.Add("a1");
var delta2 = GSet <string> .Empty.Add("a2");
var delta3 = GSet <string> .Empty.Add("a3");
var selector = new TestSelector2(selfUniqueAddress, nodes.Take(3).ToImmutableArray());
selector.Update("A", delta1);
var expected1 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(delta1), 1L, 1L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[0], expected1), }));
selector.Update("A", delta2);
var expected2 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(delta1.Merge(delta2)), 1L, 2L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[1], expected2), }));
selector.Update("A", delta3);
var expected3 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(delta1.Merge(delta2).Merge(delta3)), 1L, 3L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[2], expected3), }));
var expected4 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(delta2.Merge(delta3)), 2L, 3L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[0], expected4), }));
var expected5 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(delta3), 3L, 3L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[1], expected5), }));
selector.CollectPropagations().Should().BeEmpty();
}
public void DeltaPropagationSelector_must_discard_too_large_deltas()
{
var selector = new TestSelector2(selfUniqueAddress, nodes.Take(3).ToImmutableArray());
var data = PNCounterDictionary <string> .Empty;
for (int i = 1; i <= 1000; i++)
{
var d = data.ResetDelta().Increment(selfUniqueAddress, (i % 2).ToString(), 1);
selector.Update("A", d.Delta);
data = d;
}
var expected = new DeltaPropagation(selfUniqueAddress, false, new Dictionary <string, Delta>
{
{ "A", new Delta(new DataEnvelope(DeltaPropagation.NoDeltaPlaceholder), 1L, 1000L) }
}.ToImmutableDictionary());
selector.CollectPropagations().Should().Equal(new Dictionary <Address, DeltaPropagation>
{
{ nodes[0], expected }
});
}
