add test for ChapmanApiBasedParkingRepositoryLoader.fetchAndUpdateAll

test/loaders/ParkingRepositoryLoaders/ChapmanApiBasedParkingRepositoryLoaderTests.test.ts

@@ -0,0 +1,92 @@
+import { beforeEach, describe, expect, it, jest } from "@jest/globals";
+import {
+  ChapmanApiBasedParkingRepositoryLoader
+} from "../../../src/loaders/ParkingRepositoryLoaders/ChapmanApiBasedParkingRepositoryLoader";
+import { InMemoryParkingRepository } from "../../../src/repositories/InMemoryParkingRepository";
+import {
+  resetGlobalFetchMockJson,
+  updateGlobalFetchMockJson,
+  updateGlobalFetchMockJsonToThrowSyntaxError
+} from "../../testHelpers/fetchMockHelpers";
+import {
+  chapmanParkingStructureData
+} from "../../jsonSnapshots/chapmanParkingStructureData/chapmanParkingStructureData";
+import { IParkingStructure } from "../../../src/entities/ParkingRepositoryEntities";
+import { assertAsyncCallbackThrowsApiResponseError } from "../../testHelpers/assertAsyncCallbackThrowsApiResponseError";
+
+describe("ChapmanApiBasedParkingRepositoryLoader", () => {
+  let loader: ChapmanApiBasedParkingRepositoryLoader;
+
+  beforeEach(() => {
+    loader = new ChapmanApiBasedParkingRepositoryLoader(
+      new InMemoryParkingRepository(),
+    );
+    resetGlobalFetchMockJson();
+  });
+
+  describe("fetchAndUpdateAll", () => {
+    it("calls all the correct methods", async () => {
+      const spies = {
+        fetchAndUpdateParkingStructures: jest.spyOn(loader, "fetchAndUpdateParkingStructures"),
+      };
+
+      Object.values(spies).forEach((spy: any) => {
+        spy.mockResolvedValue(undefined);
+      });
+
+      await loader.fetchAndUpdateAll();
+
+      Object.values(spies).forEach((spy: any) => {
+        expect(spy).toHaveBeenCalled();
+      });
+    });
+  });
+
+
+
+  describe("fetchAndUpdateParkingStructures", () => {
+    it("fetches and update parking structures with unique IDs", async () => {
+      updateGlobalFetchMockJson(chapmanParkingStructureData);
+
+      await loader.fetchAndUpdateParkingStructures();
+
+      let expectedStructures: IParkingStructure[] = [
+        {
+          address: "300 E Walnut, Orange, CA 92867",
+          capacity: 871,
+          spotsAvailable: 211,
+          coordinates: {
+            latitude: 33.7945513,
+            longitude: -117.8518707,
+          },
+          name: "Anderson Structure",
+          id: "",
+        },
+        {
+          address: "200 W Sycamore Ave, Orange, CA 92866-1053",
+          capacity: 692,
+          spotsAvailable: 282,
+          coordinates: {
+            latitude: 33.792937,
+            longitude: -117.854782
+          },
+          name: "Barrera",
+          id: "",
+        }
+      ];
+      expectedStructures[0].id = ChapmanApiBasedParkingRepositoryLoader.generateId(expectedStructures[0].address);
+      expectedStructures[1].id = ChapmanApiBasedParkingRepositoryLoader.generateId(expectedStructures[1].address);
+
+      const structuresFromLoader = await loader.repository.getParkingStructures();
+      expect(structuresFromLoader).toEqual(expectedStructures);
+    });
+
+    it("throws ApiResponseError if data is incorrect", async () => {
+      updateGlobalFetchMockJsonToThrowSyntaxError();
+
+      await assertAsyncCallbackThrowsApiResponseError(async () => {
+        await loader.fetchAndUpdateParkingStructures();
+      });
+    })
+  });
+});