public void DeltaPropagationSelector_must_bump_version_for_each_update()
{
var delta1 = GSet <string> .Empty.Add("a1");
var delta2 = GSet <string> .Empty.Add("a2");
var delta3 = GSet <string> .Empty.Add("a3");
var selector = new TestSelector(selfUniqueAddress, nodes.Take(1).ToImmutableArray());
selector.Update("A", delta1);
selector.CurrentVersion("A").Should().Be(1L);
selector.Update("A", delta2);
selector.CurrentVersion("A").Should().Be(2L);
var expected1 = 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[0], expected1), }));
selector.Update("A", delta3);
selector.CurrentVersion("A").Should().Be(3L);
var expected2 = 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[0], expected2), }));
selector.CollectPropagations().Should().BeEmpty();
}
public void DeltaPropagationSelector_must_collect_none_when_no_nodes()
{
var selector = new TestSelector(selfUniqueAddress, ImmutableArray <Address> .Empty);
selector.Update("A", DeltaA);
selector.CollectPropagations().Should().BeEmpty();
selector.CleanupDeltaEntries();
selector.HasDeltaEntries("A").Should().BeFalse();
}
public void DeltaPropagationSelector_must_collect_1_when_one_node()
{
var selector = new TestSelector(selfUniqueAddress, nodes.Take(1).ToImmutableArray());
selector.Update("A", DeltaA);
selector.Update("B", DeltaB);
selector.CleanupDeltaEntries();
selector.HasDeltaEntries("A").Should().BeTrue();
selector.HasDeltaEntries("B").Should().BeTrue();
var expected = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(DeltaA), 1L, 1L))
.Add("B", new Delta(new DataEnvelope(DeltaB), 1L, 1L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[0], expected), }));
selector.CollectPropagations().Should().BeEmpty();
selector.CleanupDeltaEntries();
selector.HasDeltaEntries("A").Should().BeFalse();
selector.HasDeltaEntries("B").Should().BeFalse();
}
public void DeltaPropagationSelector_must_keep_track_of_deltas_per_node()
{
var selector = new TestSelector(selfUniqueAddress, nodes.Take(3).ToImmutableArray());
selector.Update("A", DeltaA);
selector.Update("B", DeltaB);
var expected = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(DeltaA), 1L, 1L))
.Add("B", new Delta(new DataEnvelope(DeltaB), 1L, 1L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[]
{
new KeyValuePair <Address, DeltaPropagation>(nodes[0], expected),
new KeyValuePair <Address, DeltaPropagation>(nodes[1], expected),
}));
// new update before previous was propagated to all nodes
selector.Update("C", DeltaC);
var expected2 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("A", new Delta(new DataEnvelope(DeltaA), 1L, 1L))
.Add("B", new Delta(new DataEnvelope(DeltaB), 1L, 1L))
.Add("C", new Delta(new DataEnvelope(DeltaC), 1L, 1L)));
var expected3 = new DeltaPropagation(selfUniqueAddress, false, ImmutableDictionary <string, Delta> .Empty
.Add("C", new Delta(new DataEnvelope(DeltaC), 1L, 1L)));
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[]
{
new KeyValuePair <Address, DeltaPropagation>(nodes[2], expected2),
new KeyValuePair <Address, DeltaPropagation>(nodes[0], expected3),
}));
selector.CleanupDeltaEntries();
selector.HasDeltaEntries("A").Should().BeFalse();
selector.HasDeltaEntries("B").Should().BeFalse();
selector.HasDeltaEntries("C").Should().BeTrue();
selector.CollectPropagations().Should().Equal(ImmutableDictionary.CreateRange(new[] { new KeyValuePair <Address, DeltaPropagation>(nodes[1], expected3), }));
selector.CollectPropagations().Should().BeEmpty();
selector.CleanupDeltaEntries();
selector.HasDeltaEntries("C").Should().BeFalse();
}
