polylines tooltip content

__mocks__/leaflet.js

@@ -0,0 +1,23 @@
+// __mocks__/leaflet.js
+const L = {
+  divIcon: jest.fn(() => new L.DivIcon()),
+  DivIcon: function () {
+    this.options = {
+      className: "custom-start-icon",
+      html: `
+        <svg width="18" height="18" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg">
+          <polygon points="10,2 18,18 2,18" fill="black" />
+          <polygon points="10,5 16,16 4,16" fill="gray" />
+        </svg>
+      `,
+      iconSize: [18, 18],
+      iconAnchor: [9, 10],
+    };
+  },
+};
+
+L.DivIcon.prototype = {
+  constructor: L.DivIcon,
+};
+
+module.exports = L;