public void Deserialize_CreateStartupEntities_SubstractEntities()
{
var A = new CircularEntity("A");
var B = new CircularEntity("B");
var deserializer = new CircularEntityExpressionDeserializer <CircularEntity>();
var factory = new CircularEntityFactory <CircularEntity>();
factory.Entities.Add("AA", A);
factory.Entities.Add("BB", B);
var strExp = "AA + BB";
var root = deserializer.Deserialize(strExp, factory);
Assert.Single(root.Children);
Assert.Equal("A", root.Name);
Assert.Equal("B", root.Children.ElementAt(0).Name);
strExp = "AA - BB + C + D";
var root2 = deserializer.Deserialize(strExp, factory);
Assert.Same(root2, root);
Assert.Equal(2, root2.Children.Count());
Assert.Equal("A", root2.Name);
Assert.Equal("C", root2.Children.ElementAt(0).Name);
Assert.Equal("D", root2.Children.ElementAt(1).Name);
}
public void Deserialize_WithCreateEntityCallBack_GenerateRootAndPopulateEntities()
{
var strExp = "(A + B + C + D)";
var factory = new CircularEntityFactory <CircularEntity>(name => new CircularEntity(name));
var serializer = new CircularEntityExpressionDeserializer <CircularEntity>();
var root = serializer.Deserialize(strExp, factory);
var entities = factory.Entities.Values.ToList();
Assert.Equal(4, entities.Count);
Assert.Equal(3, entities[0].Children.Count());
Assert.Same(root, entities.First());
Assert.Equal("A", entities[0].Name);
Assert.Equal("B", entities[0].Children.ElementAt(0).Name);
Assert.Equal("C", entities[0].Children.ElementAt(1).Name);
Assert.Equal("D", entities[0].Children.ElementAt(2).Name);
Assert.Equal("B", entities[1].Name);
Assert.Empty(entities[1].Children);
Assert.Equal("C", entities[2].Name);
Assert.Empty(entities[1].Children);
Assert.Equal("D", entities[3].Name);
Assert.Empty(entities[1].Children);
}
