public void MToNRelation()
{
var a = new EntityType
{
Code = "A",
};
var b = new EntityType
{
Code = "B",
};
var relation = new RelationType("rel1");
relation.AddNode(a, "A");
relation.AddNode(b, "B");
relation.AddVertex("A", "B");
Assert.AreEqual(relation.Nodes.Count, 2);
Assert.AreEqual(relation.GetNode("A").ModelObject, a);
Assert.AreEqual(relation.GetNode("B").ModelObject, b);
Assert.AreEqual(relation.Nodes.Values.SelectMany(x => x.Vertices).Select(x => x.Value).Distinct().Count(), 1);
var vertex = relation.GetVertex("A", "B");
Assert.AreEqual(vertex.LeftCardinality.Min, 0);
Assert.AreEqual(vertex.LeftCardinality.Max, int.MaxValue);
Assert.AreEqual(vertex.RightCardinality.Min, 0);
Assert.AreEqual(vertex.RightCardinality.Max, int.MaxValue);
}
public void TernaryRelation()
{
var a = new EntityType
{
Code = "A",
};
var b = new EntityType
{
Code = "B",
};
var c = new EntityType
{
Code = "C",
};
var relation = new RelationType("rel1");
relation.AddNode(a, "A");
relation.AddNode(b, "B");
relation.AddNode(c, "C");
relation.AddVertex("A", "B");
relation.AddVertex("A", "C");
Assert.AreEqual(relation.Nodes.Count, 3);
Assert.AreEqual(relation.GetNode("A").ModelObject, a);
Assert.AreEqual(relation.GetNode("B").ModelObject, b);
Assert.AreEqual(relation.GetNode("C").ModelObject, c);
Assert.AreEqual(relation.Nodes.Values.SelectMany(x => x.Vertices).Select(x => x.Value).Distinct().Count(), 2);
var abVertex = relation.GetVertex("A", "B");
Assert.AreEqual(abVertex.LeftNode.Discriminant, "A");
Assert.AreEqual(abVertex.RightNode.Discriminant, "B");
var acVertex = relation.GetVertex("A", "C");
Assert.AreEqual(acVertex.LeftNode.Discriminant, "A");
Assert.AreEqual(acVertex.RightNode.Discriminant, "C");
Assert.IsNull(relation.GetVertex("B", "C"));
}
public void AddNullAlias()
{
var a = new EntityType
{
Code = "A",
};
var relation = new RelationType();
relation.AddNode(a, null);
}
public void AddEntityType()
{
var a = new EntityType
{
Code = "A",
};
var relation = new RelationType();
relation.AddNode(a, "A");
Assert.AreEqual(relation.Nodes.Count, 1);
Assert.AreEqual(relation.GetNode("A").ModelObject, a);
Assert.AreEqual(relation.Nodes.Values.SelectMany(x => x.Vertices).Select(x => x.Value).Count(), 0);
}
public void SimpleRelationWithBasicFields()
{
var a = new EntityType
{
Code = "A",
Fields = new List <IField>
{
new ShortTextField
{
Code = "aField1",
},
new ShortTextField
{
Code = "aField2",
},
},
};
var b = new EntityType
{
Code = "B",
Fields = new List <IField>
{
new ShortTextField
{
Code = "bField1",
},
new ShortTextField
{
Code = "bField2",
},
},
};
var relation = new RelationType("rel1");
relation.AddNode(a, "A");
relation.AddNode(b, "B");
relation.AddVertex("A", "B");
var view = new RelationView
{
RelationType = relation,
Controls = new List <IControl>
{
new FieldControl
{
Discriminant = "A",
Field = a.Fields[0],
},
new FieldControl
{
Discriminant = "A",
Field = a.Fields[1],
},
new FieldControl
{
Discriminant = "B",
Field = a.Fields[0],
},
new FieldControl
{
Discriminant = "B",
Field = a.Fields[1],
},
},
};
var dataProvider = new MSSqlQueryDataProvider();
//var query = dataProvider.GetData(view);
//Assert.AreEqual(query, $"SELECT {ent1.Fields[1].Code}, {ent1.Fields[0].Code} FROM {ent1.Code}");
}
public void AddNullEntityType()
{
var relation = new RelationType();
relation.AddNode(null, "A");
}
