public void Sync_should_return_s1_when_input_s1_and_s1()
{
var kernel = new DvvKernel();
var s1 = new Siblings
{
{ new JObject(new JProperty("v", 1)), "((r,1),{})" }
};
var siblings = kernel.Sync(s1, s1);
// Assert
siblings.Should().HaveCount(1);
siblings.Should().Contain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,1),{})")));
}
public void Join_should_return_a_clock_that_describes_the_collective_causal_past()
{
var kernel = new DvvKernel();
var s1 = new Siblings
{
{ new JObject(new JProperty("v", 1)), "((r,1),{})" },
{ new JObject(new JProperty("v", 2)), "((r,2),{(s,2)})" }
};
VersionVector vv = kernel.Join(s1);
vv.Events.Should().Contain(new[]
{
new KeyValuePair <string, long>("r", 2),
new KeyValuePair <string, long>("s", 2)
});
}
public void Event_should_generate_a_new_clock_to_represent_a_new_version()
{
var kernel = new DvvKernel();
var context = new VersionVector(new[]
{
new CausalEvent("s", 2),
new CausalEvent("r", 2),
});
var s1 = new Siblings
{
{ new JObject(new JProperty("v", 1)), "((r,1),{})" },
{ new JObject(new JProperty("v", 2)), "((r,2),{(s,2)})" }
};
DottedVersionVector dvv = kernel.Event(context, s1, "r");
dvv.ToString().Should().Be("((r,3),{(r,2),(s,2)})");
}
public void Discard_should_remove_obsolete_siblings()
{
var kernel = new DvvKernel();
var s1 = new Siblings
{
{ new JObject(new JProperty("v", 1)), "((r,1),{})" },
{ new JObject(new JProperty("v", 2)), "((r,2),{})" }
};
// This is the context we'd receive representing ((r,3),{(r,1)}) : v3
var context = new VersionVector(new CausalEvent("r", 1));
Siblings siblings = kernel.Discard(s1, context);
// Assert
siblings.Should().HaveCount(1);
siblings.Should().NotContain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,1),{})")));
siblings.Should().Contain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,2),{})")));
}
public void Sync_should_return_concurrent_siblings()
{
var kernel = new DvvKernel();
var s1 = new Siblings
{
{ new JObject(new JProperty("v", 1)), "((r,1),{})" },
{ new JObject(new JProperty("v", 2)), "((r,2),{})" }
};
var s2 = new Siblings
{
{ new JObject(new JProperty("v", 3)), "((r,3),{(r,1)})" }
};
var siblings = kernel.Sync(s1, s2);
// Assert
siblings.Should().HaveCount(2);
siblings.Should().NotContain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,1),{})")));
siblings.Should().Contain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,2),{})")));
siblings.Should().Contain(x => x.Clock.Equals(DottedVersionVector.Parse("((r,3),{(r,1)})")));
}
