Fix bug and add test

Author: maxim-lobanov

dist/index.js

@@ -110,6 +110,9 @@ class GraphBuilder {
             graphNode = { value: issue, predecessors: [], successors: [] };
             this.nodes.set(nodeKey, graphNode);
         }
+        else if (issue) {
+            graphNode.value = issue;
+        }
         return graphNode;
     }
     addIssue(issueReference, issue) {

src/graph-builder.ts

@@ -33,6 +33,8 @@ export class GraphBuilder {
         if (!graphNode) {
             graphNode = { value: issue, predecessors: [], successors: [] };
             this.nodes.set(nodeKey, graphNode);
+        } else if (issue) {
+            graphNode.value = issue;
         }
 
         return graphNode;

tests/graph-builder.test.ts

@@ -197,4 +197,29 @@ describe("GraphBuilder", () => {
             { from: "issue3", to: "finish" },
         ]);
     });
+
+    it("Add dependency before adding node", () => {
+        const graphBuilder = new GraphBuilder(true);
+
+        graphBuilder.addIssue(
+            { repoOwner: "A", repoName: "B", issueNumber: 1 },
+            new MermaidNode("issue1", "Test issue 1", "notstarted")
+        );
+        graphBuilder.addDependency(
+            { repoOwner: "A", repoName: "B", issueNumber: 1 },
+            { repoOwner: "A", repoName: "B", issueNumber: 2 }
+        );
+        graphBuilder.addIssue(
+            { repoOwner: "A", repoName: "B", issueNumber: 2 },
+            new MermaidNode("issue2", "Test issue 2", "started")
+        );
+
+        const actual = extractNodeIdFromGraph(graphBuilder.getGraph());
+        expect(actual.vertices).toEqual(["start", "issue1", "issue2", "finish"]);
+        expect(actual.edges).toEqual([
+            { from: "start", to: "issue1" },
+            { from: "issue1", to: "issue2" },
+            { from: "issue2", to: "finish" },
+        ]);
+    });
 });