test : changed test format + added playwright support

routes/(apps)/notes/(_islands)/NoteRecap.tsx

@@ -1,6 +1,12 @@
 import { useEffect, useState } from "preact/hooks";
+import {
+  applyAjustement,
+  calculateWeightedAverage,
+  getEffectiveNote,
+} from "$root/logic/grades.ts";
 
 type Student = {
+// ...
   numEtud: number;
   nom: string;
   prenom: string;
@@ -37,11 +43,6 @@ function noteClass(n: number): string {
   return n >= 10 ? "note-chip note-chip--ok" : "note-chip note-chip--fail";
 }
 
-/** Returns the effective note (session 2 if exists, otherwise session 1). */
-function effectiveNote(n: Note): number {
-  return n.noteSession2 ?? n.note;
-}
-
 export default function NoteRecap({ numEtud }: Props) {
   const [student, setStudent] = useState<Student | null>(null);
   const [ueList, setUeList] = useState<UE[]>([]);
@@ -108,19 +109,6 @@ export default function NoteRecap({ numEtud }: Props) {
     load();
   }, [numEtud]);
 
-  function calcAvg(ueMods: UEModule[]): number | null {
-    let total = 0,
-      coeff = 0;
-    for (const um of ueMods) {
-      const n = noteMap.get(um.idModule);
-      if (n === undefined) return null;
-      const val = effectiveNote(n);
-      total += val * um.coeff;
-      coeff += um.coeff;
-    }
-    return coeff > 0 ? total / coeff : null;
-  }
-
   async function saveNote(
     idModule: string,
     field: "note" | "noteSession2",
@@ -280,18 +268,11 @@ export default function NoteRecap({ numEtud }: Props) {
           </p>
         )
         : ueList.map((ue) => {
-          const ueMods = ueModules.filter((um) => um.idUE === ue.id);
-          const avg = calcAvg(ueMods);
-          const ajust = ajustements.find((a) => a.idUE === ue.id);
-
-          // Final displayed average: if ajust.valeur exists it replaces avg, then subtract malus
-          let finalAvg = avg;
-          if (ajust) {
-            finalAvg = ajust.valeur;
-            if (ajust.malus > 0) {
-              finalAvg = (finalAvg ?? 0) - ajust.malus;
-            }
-          }
+          const ueMods = ueList.length > 0 ? ueModules.filter((um) => um.idUE === ue.id) : [];
+          const notesRecord = Object.fromEntries(noteMap);
+          const avg = calculateWeightedAverage(ueMods, notesRecord);
+          const ajust = ajustements.find((a) => a.idUE === ue.id) ?? null;
+          const finalAvg = applyAjustement(avg, ajust);
 
           return (
             <div key={ue.id} class="edit-section">
@@ -341,7 +322,7 @@ export default function NoteRecap({ numEtud }: Props) {
                       const noteVal = noteObj?.note;
                       const noteS2 = noteObj?.noteSession2;
                       const effective = noteObj
-                        ? effectiveNote(noteObj)
+                        ? getEffectiveNote(noteObj)
                         : undefined;
                       const nomMod = moduleMap.get(um.idModule) ?? um.idModule;