public void ReturnAllElements()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var rel1 = node1.CreateRelationshipTo(node2, "like");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").To("rel1", "like").Node("node2"));
cypher.Return(r => r.AllElements());
var row = cypher.Execute().AsEnumerable().FirstOrDefault();
Assert.IsNotNull(row);
var objNode1 = row.Field<object>("node1");
var objNode2 = row.Field<object>("node2");
var objRel1 = row.Field<object>("rel1");
var rowNode1 = RestNodeStore.CreateNodeFromJson((JObject)objNode1);
var rowNode2 = RestNodeStore.CreateNodeFromJson((JObject)objNode2);
var rowRel1 = RestRelationshipStore.CreateRelationshipFromJson((JObject)objRel1);
Assert.IsTrue(node1.Id == rowNode1.Id);
Assert.IsTrue(node2.Id == rowNode2.Id);
Assert.IsTrue(rel1.Id == rowRel1.Id);
}
public void IncomingRelationships()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var node3 = Node.CreateNode();
var rel1 = node1.CreateRelationshipTo(node2, "like");
var rel2 = node3.CreateRelationshipTo(node1, "like");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").From().Node("matchedNode"));
cypher.Return(r => r.Node("matchedNode"));
var result = cypher.Execute();
Assert.IsTrue(result.Count() == 1);
Assert.IsTrue(result.First().Field<Node>("matchedNode") == node3);
}
public void MatchByMultipleRelationshipType1()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var node3 = Node.CreateNode();
var rel1 = node1.CreateRelationshipTo(node2, "knows");
var rel2 = node1.CreateRelationshipTo(node3, "blocks");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").Any(new List<string> { "knows", "blocks" }).Node("matchedNode"));
cypher.Return(r => r.Node("matchedNode"));
var result = cypher.Execute();
Assert.IsTrue(result.Count() == 2);
Assert.IsTrue(result.First().Field<Node>("matchedNode") == node2);
Assert.IsTrue(result.ElementAt(1).Field<Node>("matchedNode") == node3);
}
public void DirectedRelationshipsAndIdentifier()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var node3 = Node.CreateNode();
var rel1 = node1.CreateRelationshipTo(node2, "knows");
var rel2 = node1.CreateRelationshipTo(node3, "blocks");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").To("r", string.Empty).Node());
cypher.Return(r => r.Relationship("r"));
var result = cypher.Execute();
Assert.IsTrue(result.Count() == 2);
Assert.IsTrue(result.First().Field<Relationship>("r") == rel1);
Assert.IsTrue(result.ElementAt(1).Field<Relationship>("r") == rel2);
}
public void DeleteSingleRelationship()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var rel = node1.CreateRelationshipTo(node2, "like");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").To("r", "like").Node("node2"));
cypher.Delete(d => d.Relationship("r"));
cypher.Execute();
Relationship.GetRelationship(rel.Id);
}
public void DeleteNodeAndRelationship()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var rel = node1.CreateRelationshipTo(node2, "like");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").To("r", "like").Node("node2"));
cypher.Delete(d => d.Node("node2").Relationship("r"));
cypher.Execute();
try
{
Node.GetNode(node2.Id);
Assert.Fail();
}
catch (NodeNotFoundException e)
{
}
try
{
Relationship.GetRelationship(rel.Id);
Assert.Fail();
}
catch(RelationshipNotFoundException e)
{
}
}
public void MultipleRelatinship3()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var node3 = Node.CreateNode();
var rel1 = node1.CreateRelationshipTo(node2, "knows");
var rel2 = node3.CreateRelationshipTo(node2, "blocks");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").To("knows").Node("node2").Any("blocks").Node("node3"));
cypher.Return(r => r.Node("node1").Node("node2").Node("node3"));
var result = cypher.Execute();
Assert.IsTrue(result.Count() == 1);
Assert.IsTrue(result.First().Field<Node>("node1") == node1);
Assert.IsTrue(result.First().Field<Node>("node2") == node2);
Assert.IsTrue(result.First().Field<Node>("node3") == node3);
}
public void MatchByRelationshipTypeUseIdentifer3()
{
var node1 = Node.CreateNode();
var node2 = Node.CreateNode();
var node3 = Node.CreateNode();
var rel1 = node2.CreateRelationshipTo(node1, "knows");
var rel2 = node1.CreateRelationshipTo(node3, "blocks");
var cypher = new Cypher();
cypher.Start(s => s.Node("node1", node1.Id));
cypher.Match(m => m.Node("node1").From("r1", "knows").Node("matchedNode"));
cypher.Return(r => r.Relationship("r1"));
var result = cypher.Execute();
Assert.IsTrue(result.Count() == 1);
Assert.IsTrue(result.First().Field<Relationship>("r1") == rel1);
}