Add test coverage for Courseware Search components

src/course-home/courseware-search/CoursewareResultsFilter.test.jsx

@@ -11,6 +11,7 @@ import {
 import { CoursewareSearchResultsFilter, filteredResultsBySelection } from './CoursewareResultsFilter';
 import initializeStore from '../../store';
 import { useModel } from '../../generic/model-store';
+import searchResultsFactory from './test-data/search-results-factory';
 
 jest.mock('../../generic/model-store', () => ({
   useModel: jest.fn(),
@@ -64,7 +65,7 @@ describe('CoursewareSearchResultsFilter', () => {
 
   describe('filteredResultsBySelection', () => {
     it('returns a no values array when no results are provided', () => {
-      const results = filteredResultsBySelection({ results: [] });
+      const results = filteredResultsBySelection({});
 
       expect(results.length).toEqual(0);
     });
@@ -100,11 +101,7 @@ describe('CoursewareSearchResultsFilter', () => {
     });
 
     it('should render', async () => {
-      useModel.mockReturnValue({
-        total: 6,
-        results: mockResults,
-        filters: [],
-      });
+      useModel.mockReturnValue(searchResultsFactory());
 
       await renderComponent();
 

src/course-home/courseware-search/CoursewareSearch.jsx

@@ -54,13 +54,9 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
       return;
     }
 
-    const eventProperties = {
+    sendTrackingLogEvent('edx.course.home.courseware_search.submit', {
       org_key: org,
       courserun_key: courseId,
-    };
-
-    sendTrackingLogEvent('edx.course.home.courseware_search.submit', {
-      ...eventProperties,
       event_type: 'searchKeyword',
       keyword: searchKeyword,
     });
@@ -109,18 +105,18 @@ const CoursewareSearch = ({ intl, ...sectionProps }) => {
             placeholder={intl.formatMessage(messages.searchBarPlaceholderText)}
           />
           {status === 'loading' ? (
-            <div className="courseware-search__spinner">
+            <div className="courseware-search__spinner" data-testid="courseware-search-spinner">
               <Spinner animation="border" variant="light" screenReaderText={intl.formatMessage(messages.loading)} />
             </div>
           ) : null}
           {status === 'error' && (
-            <Alert className="mt-4" variant="danger">
+            <Alert className="mt-4" variant="danger" data-testid="courseware-search-error">
               {intl.formatMessage(messages.searchResultsError)}
             </Alert>
           )}
           {status === 'results' ? (
             <>
-              <div className="courseware-search__results-summary">{total > 0
+              <div className="courseware-search__results-summary" data-testid="courseware-search-summary">{total > 0
                 ? (
                   intl.formatMessage(
                     total === 1

src/course-home/courseware-search/CoursewareSearch.test.jsx

@@ -2,21 +2,45 @@ import React from 'react';
 import { history } from '@edx/frontend-platform';
 import { AppProvider } from '@edx/frontend-platform/react';
 import { Route, Routes } from 'react-router-dom';
+import { sendTrackingLogEvent } from '@edx/frontend-platform/analytics';
 import {
   initializeMockApp,
   render,
   screen,
+  waitFor,
+  fireEvent,
 } from '../../setupTest';
 import { CoursewareSearch } from './index';
 import { useElementBoundingBox, useLockScroll } from './hooks';
 import initializeStore from '../../store';
-import { useModel } from '../../generic/model-store';
+import { useModel, updateModel } from '../../generic/model-store';
+import { searchCourseContent } from '../data/thunks';
+import { setShowSearch } from '../data/slice';
 
 jest.mock('./hooks');
 jest.mock('../../generic/model-store', () => ({
+  updateModel: jest.fn(),
   useModel: jest.fn(),
 }));
 
+jest.mock('@edx/frontend-platform/analytics', () => ({
+  sendTrackingLogEvent: jest.fn(),
+}));
+
+jest.mock('../data/thunks', () => ({
+  searchCourseContent: jest.fn(),
+}));
+
+jest.mock('../data/slice', () => ({
+  setShowSearch: jest.fn(),
+}));
+
+const mockDispatch = jest.fn();
+jest.mock('react-redux', () => ({
+  ...jest.requireActual('react-redux'),
+  useDispatch: () => mockDispatch,
+}));
+
 const decodedCourseId = 'course-v1:edX+DemoX+Demo_Course';
 const decodedSequenceId = 'block-v1:edX+DemoX+Demo_Course+type@sequential+block@edx_introduction';
 const decodedUnitId = 'block-v1:edX+DemoX+Demo_Course+type@vertical+block@vertical_0270f6de40fc';
@@ -49,8 +73,11 @@ function renderComponent(props = {}) {
   return container;
 }
 
-const mockModels = ((props = defaultProps) => {
-  useModel.mockReturnValue(props);
+const mockModels = ((props) => {
+  useModel.mockReturnValue({
+    ...defaultProps,
+    ...props,
+  });
 });
 
 describe('CoursewareSearch', () => {
@@ -65,15 +92,15 @@ describe('CoursewareSearch', () => {
       useElementBoundingBox.mockImplementation(() => ({ top: tabsTopPosition }));
     });
 
-    it('Should use useElementBoundingBox() and useLockScroll() hooks', () => {
+    it('should use useElementBoundingBox() and useLockScroll() hooks', () => {
       mockModels();
       renderComponent();
 
       expect(useElementBoundingBox).toBeCalledTimes(1);
       expect(useLockScroll).toBeCalledTimes(1);
     });
 
-    it('Should have a "--modal-top-position" CSS variable matching the CourseTabsNavigation top position', () => {
+    it('should have a "--modal-top-position" CSS variable matching the CourseTabsNavigation top position', () => {
       mockModels();
       renderComponent();
 
@@ -82,8 +109,22 @@ describe('CoursewareSearch', () => {
     });
   });
 
+  describe('when clicking on the "Close" button', () => {
+    it('should dispatch setShowSearch(false)', async () => {
+      mockModels();
+      renderComponent();
+
+      await waitFor(() => {
+        const close = screen.queryByTestId('courseware-search-close-button');
+        fireEvent.click(close);
+      });
+
+      expect(setShowSearch).toBeCalledWith(false);
+    });
+  });
+
   describe('when CourseTabsNavigation is not present', () => {
-    it('Should use "--modal-top-position: 0" if  nce element is not present', () => {
+    it('should use "--modal-top-position: 0" if  nce element is not present', () => {
       useElementBoundingBox.mockImplementation(() => undefined);
 
       mockModels();
@@ -95,12 +136,136 @@ describe('CoursewareSearch', () => {
   });
 
   describe('when passing extra props', () => {
-    it('Should pass on extra props to section element', () => {
+    it('should pass on extra props to section element', () => {
       mockModels();
       renderComponent({ foo: 'bar' });
 
       const section = screen.getByTestId('courseware-search-section');
       expect(section).toHaveAttribute('foo', 'bar');
     });
   });
+
+  describe('when submitting an empty search', () => {
+    it('should clear the search by dispatch updateModel', async () => {
+      mockModels();
+      renderComponent();
+
+      await waitFor(() => {
+        const submit = screen.queryByTestId('courseware-search-form-submit');
+        fireEvent.click(submit);
+      });
+
+      expect(updateModel).toHaveBeenCalledWith({
+        modelType: 'contentSearchResults',
+        model: {
+          id: decodedCourseId,
+          searchKeyword: '',
+          results: [],
+          errors: undefined,
+          loading: false,
+        },
+      });
+    });
+  });
+
+  describe('when submitting a search', () => {
+    it('should show a loading state', () => {
+      mockModels({
+        loading: true,
+      });
+      renderComponent();
+
+      expect(screen.queryByTestId('courseware-search-spinner')).toBeInTheDocument();
+    });
+
+    it('should call searchCourseContent', async () => {
+      mockModels();
+      renderComponent();
+
+      const searchKeyword = 'course';
+
+      await waitFor(() => {
+        const input = screen.queryByTestId('courseware-search-form').querySelector('input');
+        fireEvent.change(input, { target: { value: searchKeyword } });
+      });
+
+      await waitFor(() => {
+        const submit = screen.queryByTestId('courseware-search-form-submit');
+        fireEvent.click(submit);
+      });
+
+      expect(sendTrackingLogEvent).toHaveBeenCalledWith('edx.course.home.courseware_search.submit', {
+        org_key: defaultProps.org,
+        courserun_key: decodedCourseId,
+        event_type: 'searchKeyword',
+        keyword: searchKeyword,
+      });
+      expect(searchCourseContent).toHaveBeenCalledWith(decodedCourseId, searchKeyword);
+    });
+
+    it('should show an error state if any', () => {
+      mockModels({
+        errors: ['foo'],
+      });
+      renderComponent();
+
+      expect(screen.queryByTestId('courseware-search-error')).toBeInTheDocument();
+    });
+
+    it('should show "No results found." if results is empty', () => {
+      mockModels({
+        searchKeyword: 'test',
+        total: 0,
+      });
+      renderComponent();
+
+      expect(screen.queryByTestId('courseware-search-summary').textContent).toBe('No results found.');
+    });
+
+    it('should show a summary for a single result', () => {
+      mockModels({
+        searchKeyword: 'fubar',
+        total: 1,
+      });
+      renderComponent();
+
+      expect(screen.queryByTestId('courseware-search-summary').textContent).toBe('1 match found for "fubar":');
+    });
+
+    it('should show a summary for multiple results', () => {
+      mockModels({
+        searchKeyword: 'fubar',
+        total: 2,
+      });
+      renderComponent();
+
+      expect(screen.queryByTestId('courseware-search-summary').textContent).toBe('2 matches found for "fubar":');
+    });
+  });
+
+  describe('when clearing the search input', () => {
+    it('should clear the search by dispatch updateModel', async () => {
+      mockModels({
+        searchKeyword: 'fubar',
+        total: 2,
+      });
+      renderComponent();
+
+      await waitFor(() => {
+        const input = screen.queryByTestId('courseware-search-form').querySelector('input');
+        fireEvent.change(input, { target: { value: '' } });
+      });
+
+      expect(updateModel).toHaveBeenCalledWith({
+        modelType: 'contentSearchResults',
+        model: {
+          id: decodedCourseId,
+          searchKeyword: '',
+          results: [],
+          errors: undefined,
+          loading: false,
+        },
+      });
+    });
+  });
 });

src/course-home/courseware-search/CoursewareSearchEmpty.test.jsx

@@ -0,0 +1,24 @@
+import React from 'react';
+import {
+  initializeMockApp,
+  render,
+  screen,
+} from '../../setupTest';
+import CoursewareSearchEmpty from './CoursewareSearchEmpty';
+
+function renderComponent() {
+  const { container } = render(<CoursewareSearchEmpty />);
+  return container;
+}
+
+describe('CoursewareSearchEmpty', () => {
+  beforeAll(async () => {
+    initializeMockApp();
+  });
+
+  it('should match the snapshot', () => {
+    renderComponent();
+
+    expect(screen.getByTestId('no-results')).toMatchSnapshot();
+  });
+});

src/course-home/courseware-search/CoursewareSearchForm.jsx

@@ -20,7 +20,7 @@ const CoursewareSearchForm = ({
       <SearchField.Input placeholder={placeholder} autoFocus />
       <SearchField.ClearButton />
     </div>
-    <SearchField.SubmitButton submitButtonLocation="external" />
+    <SearchField.SubmitButton submitButtonLocation="external" data-testid="courseware-search-form-submit" />
   </SearchField.Advanced>
 );
 

src/course-home/courseware-search/CoursewareSearchResults.test.jsx

@@ -6,7 +6,7 @@ import {
 } from '../../setupTest';
 import CoursewareSearchResults from './CoursewareSearchResults';
 import messages from './messages';
-// import mockedData from './test-data/mockedResults'; // TODO: Update this test.
+import searchResultsFactory from './test-data/search-results-factory';
 
 jest.mock('react-redux');
 
@@ -28,11 +28,14 @@ describe('CoursewareSearchResults', () => {
     });
   });
 
-  /* describe('when list of results is provided', () => {
-    beforeEach(() => { renderComponent({ results: mockedData }); });
+  describe('when list of results is provided', () => {
+    beforeEach(() => {
+      const { results } = searchResultsFactory('course');
+      renderComponent({ results });
+    });
 
     it('should match the snapshot', () => {
       expect(screen.getByTestId('search-results')).toMatchSnapshot();
     });
-  }); */
+  });
 });

src/course-home/courseware-search/__snapshots__/CoursewareSearchEmpty.test.jsx.snap

@@ -0,0 +1,10 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`CoursewareSearchEmpty should match the snapshot 1`] = `
+<p
+  class="courseware-search-results__empty"
+  data-testid="no-results"
+>
+  No results found.
+</p>
+`;