chore: [IOCOM-1817] Add test for common FIMS hook (#6291)

## Short description
This PR adds a test for the FIMS common hook.

## List of changes proposed in this pull request
- Test for the FIMS common hook
- `utils/hooks.ts` renamed to `hooks/index.ts`

## How to test
CI tests should succeed.

Co-authored-by: Martino Cesari Tomba <[email protected]>

Author: Vangaorth

ts/features/fims/common/hooks/__tests__/index.test.tsx

@@ -0,0 +1,90 @@
+import * as pot from "@pagopa/ts-commons/lib/pot";
+import { createStore } from "redux";
+import { applicationChangeState } from "../../../../../store/actions/application";
+import { appReducer } from "../../../../../store/reducers";
+import { renderScreenWithNavigationStoreContext } from "../../../../../utils/testWrapper";
+import { useAutoFetchingServiceByIdPot } from "..";
+import { ServiceId } from "../../../../../../definitions/backend/ServiceId";
+import * as serviceSelectors from "../../../../services/details/store/reducers";
+import { ServicePublic } from "../../../../../../definitions/backend/ServicePublic";
+import { loadServiceDetail } from "../../../../services/details/store/actions/details";
+
+const mockDispatch = jest.fn();
+jest.mock("react-redux", () => ({
+  ...jest.requireActual<typeof import("react-redux")>("react-redux"),
+  useDispatch: () => mockDispatch
+}));
+
+describe("useAutoFetchingServiceByIdPot", () => {
+  beforeEach(() => {
+    jest.resetAllMocks();
+    jest.clearAllMocks();
+  });
+  const serviceId = "01JA7JWXH7488H8APPYG8JXZXE" as ServiceId;
+  const serviceData = {
+    service_id: serviceId
+  } as ServicePublic;
+  [
+    pot.none,
+    pot.noneLoading,
+    pot.noneUpdating(serviceData),
+    pot.noneError(Error()),
+    pot.some(serviceData),
+    pot.someLoading(serviceData),
+    pot.someUpdating(serviceData, serviceData),
+    pot.someError(serviceData, Error())
+  ].forEach(serviceDataPot => {
+    const shouldDispatchLoadServiceDetailAction =
+      serviceDataPot.kind === "PotNone" ||
+      serviceDataPot.kind === "PotNoneError";
+    it(`should ${
+      shouldDispatchLoadServiceDetailAction ? "   " : "not"
+    } dispatch 'loadServiceDetail.request(${serviceId})' and return an instance of ServiceData wrapped in a pot with state '${
+      serviceDataPot.kind
+    }'`, () => {
+      jest
+        .spyOn(serviceSelectors, "serviceByIdPotSelector")
+        .mockImplementation((_, selectorServiceId) =>
+          selectorServiceId === serviceData.service_id
+            ? serviceDataPot
+            : pot.none
+        );
+
+      const hookResult = jest.fn();
+      renderComponentWithNavigationContext(serviceId, hookResult);
+
+      if (shouldDispatchLoadServiceDetailAction) {
+        expect(mockDispatch.mock.calls.length).toBe(1);
+        expect(mockDispatch.mock.calls[0].length).toBe(1);
+        expect(mockDispatch.mock.calls[0][0]).toEqual(
+          loadServiceDetail.request(serviceId)
+        );
+      } else {
+        expect(mockDispatch.mock.calls.length).toBe(0);
+      }
+
+      expect(hookResult.mock.calls.length).toBe(1);
+      expect(hookResult.mock.calls[0].length).toBe(1);
+      expect(hookResult.mock.calls[0][0]).toEqual(serviceDataPot);
+    });
+  });
+});
+
+const renderComponentWithNavigationContext = (
+  serviceId: ServiceId,
+  hookResult: (_: pot.Pot<ServicePublic, Error>) => void
+) => {
+  const initialState = appReducer(undefined, applicationChangeState("active"));
+  const store = createStore(appReducer, initialState as any);
+
+  return renderScreenWithNavigationStoreContext(
+    () => {
+      const hookOutput = useAutoFetchingServiceByIdPot(serviceId);
+      hookResult(hookOutput);
+      return undefined;
+    },
+    "MOCK_ROUTE",
+    {},
+    store
+  );
+};

ts/features/fims/common/utils/hooks.tsx renamed to ts/features/fims/common/hooks/index.tsx

@@ -17,7 +17,7 @@ import { Consent } from "../../../../../definitions/fims/Consent";
 import I18n from "../../../../i18n";
 import { dateToAccessibilityReadableFormat } from "../../../../utils/accessibility";
 import { potFoldWithDefault } from "../../../../utils/pot";
-import { useAutoFetchingServiceByIdPot } from "../../common/utils/hooks";
+import { useAutoFetchingServiceByIdPot } from "../../common/hooks";
 import { FimsHistorySharedStyles } from "../utils/styles";
 import { LoadingFimsHistoryListItem } from "./FimsHistoryLoaders";
 

ts/features/fims/history/components/FimsHistoryListItem.tsx

@@ -28,7 +28,7 @@ import { useIODispatch, useIOStore } from "../../../../store/hooks";
 import { useIOBottomSheetModal } from "../../../../utils/hooks/bottomSheet";
 import { openWebUrl } from "../../../../utils/url";
 import { logoForService } from "../../../services/home/utils";
-import { useAutoFetchingServiceByIdPot } from "../../common/utils/hooks";
+import { useAutoFetchingServiceByIdPot } from "../../common/hooks";
 import { fimsGetRedirectUrlAndOpenIABAction } from "../store/actions";
 import { fimsErrorTagSelector } from "../store/selectors";
 import { ConsentData } from "../types";