implement endpoints and update test

src/resolvers/SystemResolvers.ts

@@ -78,11 +78,27 @@ export const SystemResolvers: Resolvers<ServerContext> = {
 
       return await system.shuttleRepository.getShuttles();
     },
-    parkingStructures: async (_parent, _args, _contextValue, _info) => {
-      return [];
+    parkingStructures: async (parent, _args, contextValue, _info) => {
+      const system = contextValue.findSystemById(parent.id);
+      if (!system) {
+        return [];
+      }
+      const parkingRepository = system.parkingRepository;
+      if (!parkingRepository) return [];
+
+      return await parkingRepository.getParkingStructures();
     },
-    parkingStructure: async (_parent, _args, _contextValue, _info) => {
-      return null;
+    parkingStructure: async (parent, args, contextValue, info) => {
+      if (!args.id) return null;
+
+      const system = contextValue.findSystemById(parent.id);
+      if (!system) {
+        return null;
+      }
+      const parkingRepository = system.parkingRepository;
+      if (!parkingRepository) return null;
+
+      return await parkingRepository.getParkingStructureById(args.id);
     },
   },
 }

test/resolvers/SystemResolverTests.test.ts

@@ -356,7 +356,7 @@ describe("SystemResolvers", () => {
       expect(parkingStructures).toHaveLength(0);
     });
 
-    it("returns null if there is no parking data available", async () => {
+    it("returns a blank array if there is no parking data available", async () => {
       context.systems[0].parkingTimedDataLoader = null;
       context.systems[0].parkingRepository = null;
 
@@ -365,7 +365,7 @@ describe("SystemResolvers", () => {
       assert(response.body.kind === "single");
       expect(response.body.singleResult.errors).toBeUndefined();
       const parkingStructures = (response.body.singleResult.data as any).system.parkingStructures;
-      expect(parkingStructures).toBeNull();
+      expect(parkingStructures).toHaveLength(0);
     });
   });