VIA-629 SB & EO Add missing isActive test.

Author: acerathereinspirative-nhs-nvir

src/utils/campaigns/types.test.ts

@@ -52,5 +52,13 @@ describe("Campaigns", () => {
 
       expect(actual).toBe(expected);
     });
+
+    it("should return false for vaccine with no campaign", () => {
+      const campaigns = Campaigns.fromJson(jsonString)!;
+
+      const active = campaigns.isActive(VaccineType.FLU_FOR_CHILDREN);
+
+      expect(active).toBe(false);
+    });
   });
 });

src/utils/campaigns/types.ts

@@ -57,7 +57,7 @@ export class Campaigns {
 
   /** Get all campaigns for a specific vaccine */
   get(vaccine: VaccineType): Campaign[] {
-    return this.schedule[vaccine] ?? [];
+    return this.schedule[vaccine] || [];
   }
 
   /** Check if a vaccine is currently active */