feat: allow staff users to bypass exam interstitials (#39)

src/exam/ExamWrapper.jsx

@@ -10,16 +10,17 @@ import ExamStateContext from '../context';
 const ExamWrapper = ({ children, ...props }) => {
   const state = useContext(ExamStateContext);
   const { authenticatedUser } = useContext(AppContext);
-  const { sequence, courseId } = props;
+  const { sequence, courseId, isStaff } = props;
   const { getExamAttemptsData, getAllowProctoringOptOut } = state;
   const loadInitialData = async () => {
     await getExamAttemptsData(courseId, sequence.id);
     await getAllowProctoringOptOut(sequence.allowProctoringOptOut);
   };
 
   // if the user is browsing public content (not logged in) they cannot be in an exam
+  // if the user is staff they may view exam content without an exam attempt
   // any requests for exam state will 403 so just short circuit this component here
-  if (!authenticatedUser) {
+  if (!authenticatedUser || isStaff) {
     return children;
   }
 
@@ -42,6 +43,11 @@ ExamWrapper.propTypes = {
   }).isRequired,
   courseId: PropTypes.string.isRequired,
   children: PropTypes.element.isRequired,
+  isStaff: PropTypes.bool,
+};
+
+ExamWrapper.defaultProps = {
+  isStaff: false,
 };
 
 export default ExamWrapper;

src/exam/ExamWrapper.test.jsx

@@ -24,7 +24,7 @@ describe('SequenceExamWrapper', () => {
   };
   const courseId = 'course-v1:test+test+test';
 
-  it('is successfully rendered and shows instructions', () => {
+  it('is successfully rendered and shows instructions if the user is not staff', () => {
     store.getState = () => ({
       examState: Factory.build('examState'),
     });
@@ -121,4 +121,23 @@ describe('SequenceExamWrapper', () => {
     );
     expect(getByTestId('sequence-content')).toHaveTextContent('children');
   });
+
+  it('renders exam content without an active attempt if the user is staff', () => {
+    store.getState = () => ({
+      examState: Factory.build('examState', {
+        exam: Factory.build('exam', {
+          type: ExamType.PROCTORED,
+        }),
+      }),
+    });
+    const { queryByTestId } = render(
+      <ExamStateProvider>
+        <SequenceExamWrapper sequence={sequence} courseId={courseId} isStaff>
+          <div data-testid="sequence-content">children</div>
+        </SequenceExamWrapper>
+      </ExamStateProvider>,
+      { store },
+    );
+    expect(queryByTestId('sequence-content')).toHaveTextContent('children');
+  });
 });