fix(graphing): point labels scoring PIE-523

Author: PatriciaRomaniuc

packages/graphing/controller/src/__tests__/utils.test.js

@@ -58,6 +58,14 @@ describe('equalPoint', () => {
         [p2_3, p1_10, false],
         [p0_0, p1_0, false],
         [pNull, pUndefined, true],
+        // label tests: a point is only correct if position AND label both match
+        [{ x: 1, y: 1, label: 'A' }, { x: 1, y: 1, label: 'A' }, true],
+        [{ x: 1, y: 1, label: 'A' }, { x: 1, y: 1, label: 'B' }, false],
+        [{ x: 1, y: 1, label: 'A' }, { x: 1, y: 1 }, false],
+        [{ x: 1, y: 1 }, { x: 1, y: 1, label: 'A' }, false],
+        [{ x: 1, y: 1 }, { x: 1, y: 1 }, true],
+        // wrong position, label irrelevant
+        [{ x: 1, y: 1, label: 'A' }, { x: 2, y: 2, label: 'A' }, false],
     ])('%j, %j => %s', (pointA, pointB, expected) => {
         const result = equalPoint(pointA, pointB);
 

packages/graphing/controller/src/utils.js

@@ -8,6 +8,9 @@ import {
 
 export const equalPoint = (A, B) => {
   // x1 = x2 & y1 = y2
+  // A point is only correct if both its position AND its label match.
+  // Labels are not scored independently; a point in the correct position
+  // with the wrong label is considered incorrect as a whole.
   let equalLabel = true;
 
   A = { ...A };
@@ -17,7 +20,7 @@ export const equalPoint = (A, B) => {
     equalLabel = isEqual(A.label, B.label);
   }
 
-  return isEqual(A.x, B.x) && isEqual(A.y, B.y);
+  return isEqual(A.x, B.x) && isEqual(A.y, B.y) && equalLabel;
 };
 
 export const equalSegment = (segment1, segment2) => {