refactor: convert a couple files to TS and improve typings/tests (#1181)

* refactor: convert files to ts and improve typings/tests

* fix: set return type to unkown for future fix

src/content-tags-drawer/tags-sidebar-controls/TagsSidebarHeader.jsx

@@ -15,7 +15,7 @@ const TagsSidebarHeader = () => {
   const {
     data: contentTagsCount,
     isSuccess: isContentTagsCountLoaded,
-  } = useContentTagsCount(contentId || '');
+  } = useContentTagsCount(contentId);
 
   return (
     <Stack

src/course-outline/card-header/CardHeader.jsx

@@ -142,7 +142,7 @@ const CardHeader = ({
           {(isVertical || isSequential) && (
             <CardStatus status={status} showDiscussionsEnabledBadge={showDiscussionsEnabledBadge} />
           )}
-          { getConfig().ENABLE_TAGGING_TAXONOMY_PAGES === 'true' && contentTagCount > 0 && (
+          { getConfig().ENABLE_TAGGING_TAXONOMY_PAGES === 'true' && !!contentTagCount && (
             <TagCount count={contentTagCount} onClick={openManageTagsDrawer} />
           )}
           <Dropdown data-testid={`${namePrefix}-card-header__menu`} onClick={onClickMenuButton}>

src/generic/data/api.test.js

@@ -86,8 +86,9 @@ describe('generic api calls', () => {
     expect(contentTagsCountMock[contentId]).toEqual(15);
   });
 
-  it('should get null on empty pattern', async () => {
-    const result = await getTagsCount('');
-    expect(result).toEqual(null);
+  it('should throw an error if no pattern is provided', async () => {
+    const pattern = undefined;
+    expect(getTagsCount(pattern)).rejects.toThrow('contentPattern is required');
+    expect(axiosMock.history.get.length).toEqual(0);
   });
 });

src/generic/data/api.js → src/generic/data/api.ts

@@ -1,21 +1,25 @@
-// @ts-check
 import { camelCaseObject, getConfig } from '@edx/frontend-platform';
 import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
 
 import { convertObjectToSnakeCase } from '../../utils';
 
 export const getApiBaseUrl = () => getConfig().STUDIO_BASE_URL;
 export const getCreateOrRerunCourseUrl = () => new URL('course/', getApiBaseUrl()).href;
-export const getCourseRerunUrl = (courseId) => new URL(`/api/contentstore/v1/course_rerun/${courseId}`, getApiBaseUrl()).href;
+export const getCourseRerunUrl = (courseId: string) => new URL(
+  `/api/contentstore/v1/course_rerun/${courseId}`,
+  getApiBaseUrl(),
+).href;
 export const getOrganizationsUrl = () => new URL('organizations', getApiBaseUrl()).href;
 export const getClipboardUrl = () => `${getApiBaseUrl()}/api/content-staging/v1/clipboard/`;
-export const getTagsCountApiUrl = (contentPattern) => new URL(`api/content_tagging/v1/object_tag_counts/${contentPattern}/?count_implicit`, getApiBaseUrl()).href;
+export const getTagsCountApiUrl = (contentPattern: string) => new URL(
+  `api/content_tagging/v1/object_tag_counts/${contentPattern}/?count_implicit`,
+  getApiBaseUrl(),
+).href;
 
 /**
  * Get's organizations data. Returns list of organization names.
- * @returns {Promise<string[]>}
  */
-export async function getOrganizations() {
+export async function getOrganizations(): Promise<string[]> {
   const { data } = await getAuthenticatedHttpClient().get(
     getOrganizationsUrl(),
   );
@@ -24,9 +28,8 @@ export async function getOrganizations() {
 
 /**
  * Get's course rerun data.
- * @returns {Promise<Object>}
  */
-export async function getCourseRerun(courseId) {
+export async function getCourseRerun(courseId: string): Promise<unknown> {
   const { data } = await getAuthenticatedHttpClient().get(
     getCourseRerunUrl(courseId),
   );
@@ -35,10 +38,8 @@ export async function getCourseRerun(courseId) {
 
 /**
  * Create or rerun course with data.
- * @param {object} courseData
- * @returns {Promise<Object>}
  */
-export async function createOrRerunCourse(courseData) {
+export async function createOrRerunCourse(courseData: Object): Promise<unknown> {
   const { data } = await getAuthenticatedHttpClient().post(
     getCreateOrRerunCourseUrl(),
     convertObjectToSnakeCase(courseData, true),
@@ -48,9 +49,8 @@ export async function createOrRerunCourse(courseData) {
 
 /**
  * Retrieves user's clipboard.
- * @returns {Promise<Object>} - A Promise that resolves clipboard data.
  */
-export async function getClipboard() {
+export async function getClipboard(): Promise<unknown> {
   const { data } = await getAuthenticatedHttpClient()
     .get(getClipboardUrl());
 
@@ -59,10 +59,8 @@ export async function getClipboard() {
 
 /**
  * Updates user's clipboard.
- * @param {string} usageKey - The ID of the block.
- * @returns {Promise<Object>} - A Promise that resolves clipboard data.
  */
-export async function updateClipboard(usageKey) {
+export async function updateClipboard(usageKey: string): Promise<unknown> {
   const { data } = await getAuthenticatedHttpClient()
     .post(getClipboardUrl(), { usage_key: usageKey });
 
@@ -71,15 +69,14 @@ export async function updateClipboard(usageKey) {
 
 /**
  * Gets the tags count of multiple content by id separated by commas or a pattern using a '*' wildcard.
- * @param {string} contentPattern
- * @returns {Promise<Object>}
 */
-export async function getTagsCount(contentPattern) {
-  if (contentPattern) {
-    const { data } = await getAuthenticatedHttpClient()
-      .get(getTagsCountApiUrl(contentPattern));
-
-    return data;
+export async function getTagsCount(contentPattern?: string): Promise<Record<string, number>> {
+  if (!contentPattern) {
+    throw new Error('contentPattern is required');
   }
-  return null;
+
+  const { data } = await getAuthenticatedHttpClient()
+    .get(getTagsCountApiUrl(contentPattern));
+
+  return data;
 }

src/generic/data/apiHooks.test.tsx

@@ -0,0 +1,99 @@
+import React from 'react';
+import { initializeMockApp } from '@edx/frontend-platform';
+import { getAuthenticatedHttpClient } from '@edx/frontend-platform/auth';
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import { renderHook } from '@testing-library/react-hooks';
+import MockAdapter from 'axios-mock-adapter';
+
+import { getTagsCountApiUrl } from './api';
+import { useContentTagsCount } from './apiHooks';
+
+let axiosMock;
+
+const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      retry: false,
+    },
+  },
+});
+
+const wrapper = ({ children }) => (
+  <QueryClientProvider client={queryClient}>
+    {children}
+  </QueryClientProvider>
+);
+
+describe('useContentTagsCount', () => {
+  beforeEach(() => {
+    initializeMockApp({
+      authenticatedUser: {
+        userId: 3,
+        username: 'abc123',
+        administrator: true,
+        roles: [],
+      },
+    });
+    axiosMock = new MockAdapter(getAuthenticatedHttpClient());
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+    axiosMock.restore();
+  });
+
+  it('should return success response', async () => {
+    const courseId = 'course-v1:edX+TestX+Test_Course';
+    axiosMock.onGet(getTagsCountApiUrl(courseId)).reply(200, { [courseId]: 10 });
+
+    const hook = renderHook(() => useContentTagsCount(courseId), { wrapper });
+    await hook.waitForNextUpdate();
+    const { data, isSuccess } = hook.result.current;
+
+    expect(axiosMock.history.get[0].url).toEqual(getTagsCountApiUrl(courseId));
+    expect(isSuccess).toEqual(true);
+    expect(data).toEqual(10);
+  });
+
+  it('should return failure response', async () => {
+    const courseId = 'course-v1:edX+TestX+Test_Course';
+    axiosMock.onGet(getTagsCountApiUrl(courseId)).reply(500, 'error');
+
+    const hook = renderHook(() => useContentTagsCount(courseId), { wrapper });
+    await hook.waitForNextUpdate();
+
+    const { isSuccess } = hook.result.current;
+
+    expect(axiosMock.history.get[0].url).toEqual(getTagsCountApiUrl(courseId));
+    expect(isSuccess).toEqual(false);
+  });
+
+  it('should use an wildcard if a block is provided', async () => {
+    const blockId = 'block-v1:edX+TestX+Test_Course+type@chapter+block@123';
+    const pattern = 'block-v1:edX+TestX+Test_Course*';
+    axiosMock.onGet(getTagsCountApiUrl(pattern)).reply(200, {
+      [blockId]: 10,
+      'block-v1:edX+TestX+Test_Course+type@chapter+block@another_block': 5,
+    });
+
+    const hook = renderHook(() => useContentTagsCount(blockId), { wrapper });
+    await hook.waitForNextUpdate();
+
+    const { data, isSuccess } = hook.result.current;
+
+    expect(axiosMock.history.get[0].url).toEqual(getTagsCountApiUrl(pattern));
+    expect(isSuccess).toEqual(true);
+    expect(data).toEqual(10);
+  });
+
+  it('shouldnt call api if no pattern is provided', () => {
+    const hook = renderHook(() => useContentTagsCount(undefined), { wrapper });
+
+    hook.rerender();
+
+    const { isSuccess } = hook.result.current;
+
+    expect(axiosMock.history.get.length).toEqual(0);
+    expect(isSuccess).toEqual(false);
+  });
+});

src/generic/data/apiHooks.js → src/generic/data/apiHooks.ts

@@ -1,4 +1,3 @@
-// @ts-check
 import { useQuery } from '@tanstack/react-query';
 import { getOrganizations, getTagsCount } from './api';
 
@@ -15,11 +14,10 @@ export const useOrganizationListData = () => (
 /**
  * Builds the query to get tags count of the whole contentId course and
  * returns the tags count of the specific contentId.
- * @param {string} contentId
  */
-export const useContentTagsCount = (contentId) => {
-  let contentPattern;
-  if (contentId.includes('course-v1')) {
+export const useContentTagsCount = (contentId?: string) => {
+  let contentPattern: string | undefined;
+  if (!contentId || contentId.includes('course-v1')) {
     // If the contentId is a course, we want to get the tags count only for the course
     contentPattern = contentId;
   } else {
@@ -28,7 +26,8 @@ export const useContentTagsCount = (contentId) => {
   }
   return useQuery({
     queryKey: ['contentTagsCount', contentPattern],
-    queryFn: /* istanbul ignore next */ () => getTagsCount(contentPattern),
-    select: (data) => data[contentId] || 0, // Return the tags count of the specific contentId
+    queryFn: () => getTagsCount(contentPattern),
+    select: (data) => (contentId ? (data[contentId] || 0) : 0), // Return the tags count of the specific contentId
+    enabled: !!contentId,
   });
 };