#1474 Adding some tests

cypress/platform/current.html

@@ -46,7 +46,7 @@ flowchart TB
       </div>
       <div class="mermaid" style="width: 50%; height: 20%;">
 
-      flowchart RL
+      flowchart BT
       subgraph a
         b1 -- ok --> b2
       end

src/dagre-wrapper/edges.js

@@ -120,15 +120,13 @@ export const intersection = (node, outsidePoint, insidePoint) => {
     // let q = insidePoint.y < outsidePoint.y ? outsidePoint.y - h - y : y - h - outsidePoint.y;
     let q = insidePoint.y < outsidePoint.y ? outsidePoint.y - h - y : y - h - outsidePoint.y;
     r = (R * q) / Q;
-    logger.warn(`topp/bott calc, Q ${Q}, q ${q}, R ${R}, r ${r}`, {
+    const res = {
-      x: insidePoint.x < outsidePoint.x ? insidePoint.x + R - r : insidePoint.x + dx - w,
+      x: insidePoint.x < outsidePoint.x ? insidePoint.x + R - r : insidePoint.x - r,
-      y: outsidePoint.y + q
-    });
-
-    return {
-      x: insidePoint.x < outsidePoint.x ? insidePoint.x + R - r : insidePoint.x + dx - w,
       y: outsidePoint.y + q
     };
+    logger.warn(`topp/bott calc, Q ${Q}, q ${q}, R ${R}, r ${r}`, res);
+
+    return res;
   } else {
     // Intersection onn sides of rect
     // q = (Q * r) / R;

src/dagre-wrapper/edges.spec.js

@@ -55,7 +55,7 @@ describe('Graphlib decorations', () => {
             height: 176.5
           }
           const int = intersection(node2, o, i);
-                expect(int.x).toBeCloseTo(127.39979619565217)
+                expect(int.x).toBeCloseTo(167.9232336956522)
           expect(int.y).toBeCloseTo(76)
 
         });