public void MultipleLinksOnlyDAG()
{
var a = Encoding.UTF8.GetBytes("a");
var anode = new DagNode(a);
var alink = anode.ToLink("a");
var b = Encoding.UTF8.GetBytes("b");
var bnode = new DagNode(b);
var blink = bnode.ToLink("b");
var node = new DagNode(null, new[] { alink, blink });
Assert.AreEqual(0, node.DataBytes.Length);
Assert.AreEqual(2, node.Links.Count());
Assert.AreEqual("QmbNgNPPykP4YTuAeSa3DsnBJWLVxccrqLUZDPNQfizGKs", node.Hash);
RoundtripTest(node);
}
public void AddLink()
{
var a = Encoding.UTF8.GetBytes("a");
var anode = new DagNode(a);
var b = Encoding.UTF8.GetBytes("b");
var bnode = new DagNode(b);
var cnode = bnode.AddLink(anode.ToLink());
Assert.IsFalse(Object.ReferenceEquals(bnode, cnode));
Assert.AreEqual(1, cnode.Data.Length);
Assert.AreEqual(1, cnode.Links.Count());
Assert.AreEqual(anode.Hash, cnode.Links.First().Hash);
Assert.AreEqual(anode.Size, cnode.Links.First().Size);
RoundtripTest(cnode);
}
void RoundtripTest(DagNode a)
{
var ms = new MemoryStream();
a.Write(ms);
ms.Position = 0;
var b = new DagNode(ms);
CollectionAssert.AreEqual(a.DataBytes, b.DataBytes);
Assert.AreEqual(a.Links.Count(), b.Links.Count());
a.Links.Zip(b.Links, (first, second) =>
{
Assert.AreEqual(first.Hash, second.Hash);
Assert.AreEqual(first.Name, second.Name);
Assert.AreEqual(first.Size, second.Size);
return(first);
}).ToArray();
}
public void MultipleLinksDataDAG()
{
var a = Encoding.UTF8.GetBytes("a");
var anode = new DagNode(a);
var alink = anode.ToLink("a");
var b = Encoding.UTF8.GetBytes("b");
var bnode = new DagNode(b);
var blink = bnode.ToLink("b");
var ab = Encoding.UTF8.GetBytes("ab");
var node = new DagNode(ab, new[] { alink, blink });
CollectionAssert.AreEqual(ab, node.DataBytes);
Assert.AreEqual(2, node.Links.Count());
Assert.AreEqual("Qma5sYpEc9hSYdkuXpMDJYem95Mj7hbEd9C412dEQ4ZkfP", (string)node.Id);
RoundtripTest(node);
}
public void RemoveLink()
{
var a = Encoding.UTF8.GetBytes("a");
var anode = new DagNode(a);
var b = Encoding.UTF8.GetBytes("b");
var bnode = new DagNode(b);
var c = Encoding.UTF8.GetBytes("c");
var cnode = new DagNode(c, new[] { anode.ToLink(), bnode.ToLink() });
var dnode = cnode.RemoveLink(anode.ToLink());
Assert.IsFalse(Object.ReferenceEquals(dnode, cnode));
Assert.AreEqual(1, dnode.DataBytes.Length);
Assert.AreEqual(1, dnode.Links.Count());
Assert.AreEqual(bnode.Id, dnode.Links.First().Id);
Assert.AreEqual(bnode.Size, dnode.Links.First().Size);
RoundtripTest(cnode);
}
