public void AGossipMustMergeMembersByStatusPriority()
{
var g1 = Gossip.Create(ImmutableSortedSet.Create(a1, c1, e1));
var g2 = Gossip.Create(ImmutableSortedSet.Create(a2, c2, e2));
var merged1 = g1.Merge(g2);
Assert.Equal(ImmutableSortedSet.Create(a2, c1, e1), merged1.Members);
Assert.Equal(new [] { MemberStatus.Up, MemberStatus.Leaving, MemberStatus.Up }, merged1.Members.Select(m => m.Status).ToArray());
var merged2 = g2.Merge(g1);
Assert.Equal(ImmutableSortedSet.Create(a2, c1, e1), merged2.Members);
Assert.Equal(new [] { MemberStatus.Up, MemberStatus.Leaving, MemberStatus.Up }, merged2.Members.Select(m => m.Status).ToArray());
}
public void A_gossip_must_merge_members_by_status_priority()
{
var g1 = Gossip.Create(ImmutableSortedSet.Create(a1, c1, e1));
var g2 = Gossip.Create(ImmutableSortedSet.Create(a2, c2, e2));
var merged1 = g1.Merge(g2);
merged1.Members.Should().BeEquivalentTo(ImmutableSortedSet.Create(a2, c1, e1));
merged1.Members.Select(c => c.Status).ToImmutableList().Should()
.BeEquivalentTo(ImmutableList.Create(MemberStatus.Up, MemberStatus.Leaving, MemberStatus.Up));
var merged2 = g2.Merge(g1);
merged2.Members.Should().BeEquivalentTo(ImmutableSortedSet.Create(a2, c1, e1));
merged2.Members.Select(c => c.Status).ToImmutableList().Should()
.BeEquivalentTo(ImmutableList.Create(MemberStatus.Up, MemberStatus.Leaving, MemberStatus.Up));
}