From 674c0dc8c674fcaa576491802ece09f9ad03aee9 Mon Sep 17 00:00:00 2001
From: Zach Hancock <zhancock@edx.org>
Date: Tue, 12 Sep 2023 10:38:39 -0400
Subject: [PATCH] feat: single tab lti flow

---
 .../ProctoredExamInstructions.test.jsx              | 13 ++++++++++---
 .../SubmitProctoredExamInstructions.jsx             |  2 +-
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/instructions/proctored_exam/ProctoredExamInstructions.test.jsx b/src/instructions/proctored_exam/ProctoredExamInstructions.test.jsx
index 063ad89f..bfd56f9a 100644
--- a/src/instructions/proctored_exam/ProctoredExamInstructions.test.jsx
+++ b/src/instructions/proctored_exam/ProctoredExamInstructions.test.jsx
@@ -197,8 +197,12 @@ describe('SequenceExamWrapper', () => {
   });
 
   it('Initiates an LTI launch in a new window when the user clicks the submit button', async () => {
-    const windowSpy = jest.spyOn(window, 'open');
-    windowSpy.mockImplementation(() => ({}));
+    const { location } = window;
+    delete window.location;
+    const mockAssign = jest.fn();
+    window.location = {
+      assign: mockAssign,
+    };
     const attempt = Factory.build('attempt', {
       attempt_status: ExamStatus.READY_TO_SUBMIT,
       use_legacy_attempt_api: false,
@@ -226,7 +230,10 @@ describe('SequenceExamWrapper', () => {
 
     expect(queryByTestId('proctored-exam-instructions-title')).toHaveTextContent('Are you sure you want to end your proctored exam?');
     fireEvent.click(queryByTestId('end-exam-button'));
-    await waitFor(() => { expect(windowSpy).toHaveBeenCalledWith('http://localhost:18740/lti/end_assessment/1', '_blank'); });
+    await waitFor(() => { expect(mockAssign).toHaveBeenCalledWith('http://localhost:18740/lti/end_assessment/1'); });
+
+    // restore window.location
+    window.location = location;
   });
 
   it('Instructions are shown when attempt status is verified', () => {
diff --git a/src/instructions/proctored_exam/SubmitProctoredExamInstructions.jsx b/src/instructions/proctored_exam/SubmitProctoredExamInstructions.jsx
index 87a891fc..247caeab 100644
--- a/src/instructions/proctored_exam/SubmitProctoredExamInstructions.jsx
+++ b/src/instructions/proctored_exam/SubmitProctoredExamInstructions.jsx
@@ -19,7 +19,7 @@ const SubmitProctoredExamInstructions = () => {
 
   const handleSubmitClick = () => {
     if (examHasLtiProvider) {
-      window.open(submitLtiAttemptUrl, '_blank');
+      window.location.assign(submitLtiAttemptUrl);
     }
     submitExam();
   };