/// <summary>
/// Tests the validity of a node that is a member of an object.
/// </summary>
/// <param name="containerNode">The node of the container of this member.</param>
/// <param name="memberNode">The memeber node to validate.</param>
/// <param name="container">The value represented by the container node.</param>
/// <param name="member">The value of the member represented by the member node.</param>
/// <param name="memberName">The name of the member to validate.</param>
/// <param name="isReference">Indicate whether the member node is expected to contain a reference to the value it represents.</param>
public static void TestMemberNode(IGraphNode containerNode, IGraphNode memberNode, object container, object member, string memberName, bool isReference)
{
if (containerNode == null)
{
throw new ArgumentNullException(nameof(containerNode));
}
if (memberNode == null)
{
throw new ArgumentNullException(nameof(memberNode));
}
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
// Check that the content is of the expected type.
Assert.Equal(typeof(MemberNode), memberNode.GetType());
// A node with a MemberNode should have the same name that the member in the container.
Assert.Equal(memberName, ((IMemberNode)memberNode).Name);
// A node with a MemberNode should have its container as parent.
Assert.Equal(containerNode, ((IMemberNode)memberNode).Parent);
// A node with a MemberNode should have the member value as value of its content.
Assert.Equal(member, memberNode.Retrieve());
// A node with a primitive MemberNode should not contain a reference.
Assert.Equal(isReference, memberNode.IsReference);
}
private static void ProcessChildRanking(IGraphNode node, IGraphNode listener, NodeMetadata metadata,
StringBuilder result)
{
if (listener.GetType().GetGenericTypeDefinition() == typeof(CollectorPipe <>))
{
var listenerUniqueName = metadata.GetQuotedUniqueName(listener);
result.AppendLine($@"{{ rank=same; {metadata.GetQuotedUniqueName(node)}, {listenerUniqueName}}}");
}
}
private static string FormatHelpMessage(IGraphNode node)
{
return($@"
Cannot find node.
Type: '{node.GetType()}'
Name: '{node.Name}'
Most likely you need to Verify() at a node that is a descendent of all inputs.
For example, if you are using a JoinedPipes, verify the join node.".Trim());
}