add in missing function

Author: RobBuchananCompPhys

tests/testGraph.cpp

@@ -27,6 +27,23 @@ namespace UnitTest
 Node *TestGraph::fetchHead() const { return head_; }
 // Returns the name of the current head node in the graph
 std::string TestGraph::fetchHeadName() const { return head_ ? std::string(head_->name()) : "NO_NODE"; }
+// Run the graph in a piecewise manner - initially from a specific node, then from the last node - in order to emplace a set
+// of dynamic edges that we expect to exist at run time
+NodeConstants::ProcessResult TestGraph::runDynamic(Node *startNode, std::vector<EdgeDefinition> edges) const
+{
+    currentGraph_->setUpdateRequired();
+
+    auto result = NodeConstants::ProcessResult::Unchanged;
+    result = startNode->run();
+    if (result == NodeConstants::ProcessResult::Failed)
+        return result;
+
+    for (const auto &edge : edges)
+        if (!currentGraph_->addEdge(edge) ||
+            currentGraph_->findNode(edge.targetNode)->run() == NodeConstants::ProcessResult::Failed)
+            return NodeConstants::ProcessResult::Failed;
+    return result;
+}
 // Append new node to the graph
 Node *TestGraph::appendNode(const std::string &nodeType, const std::optional<std::string> &name)
 {

tests/testGraph.h

@@ -46,6 +46,9 @@ class TestGraph : public DissolveGraph
     std::string fetchHeadName() const;
     // Returns reference to current top node in graph, cast to the known node type
     template <class NodeType> NodeType *head() const { return static_cast<NodeType *>(head_); }
+    // Run the graph in a piecewise manner - initially from a specific node, then from the last node - in order to emplace a set
+    // of dynamic edges that we expect to exist at run time
+    NodeConstants::ProcessResult runDynamic(Node *startNode, std::vector<EdgeDefinition> edges) const;
     // Append new node to the graph
     Node *appendNode(const std::string &nodeType, const std::optional<std::string> &name = {});
     // Create species insertion node chain