Exams: Create them, take them, view reports #12111

nucleogenesis · 2024-04-26T17:51:55Z

Summary

I've tried my best to sort of fold together the existing data architecture code for Coach quiz reports and Learner quiz reports with the updated data structures.

I've kept front-end architecture shaped the same, but updated the shape of the data, basically testing out the reports and such, finding bugs, then fixing them. The changes were in relatively self-contained / purpose-built modules -- that is to say that I've tried to be sure that there are no chances of regressions.

The exam.utils module has been significantly updated. Now there are functions going from each data_model_version to the next (ie, v0-v1, v1-v2, etc).

There appear to be two things needed from this module at this time:

Convert an exam to the latest version
Fetch all of the exercises for the exam

Now there is a general function for the first part and the second function does the conversion and fetches the nodes.

References

Closes #12097

Reviewer guidance

Backward compatibility

A big part of this change involves ensuring backward compatibility. There are automated tests that do this, but I've not tested with any "data model version" below 2.

Seems like to get an exam < v2 you will need to create a quiz using Kolibri <=0.11 as V2 seems to have been added into 0.12.

Create like 5 quizzes in Kolibri <= 0.11
Take a few of the quizzes with multiple learners (but also leave at least one untouched) -- also, be sure to get some wrong for a couple users
Start this PR's assets on the same KOLIBRI_HOME (stopping the old one first)

Here you should be able to do the following:

View exam reports for all exams that have been taken, for all users
View specific questions' reports in Coach
View "difficult questions" list in Coach reports
View quiz report as the learner
Take the quiz if it has not been taken previously by a user

github-actions · 2024-04-26T18:22:06Z

Build Artifacts

Asset type	Download link
PEX file	kolibri-.pex
Windows Installer (EXE)	kolibri-0.16.2b1.dev0+git.1057.g064993bc-windows-setup-unsigned.exe
Debian Package	kolibri_0.16.2b1.dev0+git.1057.g064993bc-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.16.2b1.dev0+git.1057.g064993bc-0.4.1.dmg
Android Package (APK)	kolibri-0.16.2b1.dev0+git.1057.g064993bc-0.1.2-debug.apk
TAR file	kolibri-0.16.2b1.dev0+git.1057.g064993bc.tar.gz
WHL file	kolibri-0.16.2b1.dev0+git.1057.g064993bc-py2.py3-none-any.whl

rtibbles

A few questions from a first read through - I may be wrong, but would like more assurance as to why I am wrong :)

rtibbles · 2024-04-29T23:24:32Z

kolibri/core/assets/src/exams/utils.js

@@ -15,7 +14,7 @@ import { ExamResource, ContentNodeResource } from 'kolibri.resources';
 * @returns {array} - pseudo-randomized list of question objects compatible with v1 like:
 *    { exercise_id, question_id }
 */
-function convertExamQuestionSourcesV0V2(questionSources, seed, questionIds) {
+function convertExamQuestionSourcesV0V1(questionSources, seed, questionIds) {


This function name has been changed, but the output of this function hasn't changed at all, so what justifies the name change here?

From what I see in the JSDoc, it seems that the purpouse was converting v0 to v1, so probably the function had a wrong name?

I looked for convertExamQuestionSourcesV0V2 matches in the code, and I found this in a comment: https://github.com/AlexVelezLl/kolibri/blob/366b38342aa43930ce1c0f2a2c9b695258b40841/kolibri/core/exams/models.py#L134. I think it would be valuable also update this name there.

Just realized that this function indeed returns a V2 structure, since it includes the counter_in_exercise prop.

rtibbles · 2024-04-29T23:27:14Z

kolibri/core/assets/src/exams/utils.js

@@ -63,16 +62,14 @@ function convertExamQuestionSourcesV0V2(questionSources, seed, questionIds) {

 function convertExamQuestionSourcesV1V2(questionSources) {
  // In case a V1 quiz already has this with the old name, rename it
-  if (every(questionSources, 'counterInExercise')) {


I am not sure I understand the purpose of changing these functions - is there a bug here we are fixing?

When I read this I thought it might miss a case where question sources has some camelCase but not every ... so naturally I overthought it. Pushed a change where it'll just use some instead of every which seems reasonable unless we're sure it's impossible to have both types in the same sources list.

@AlexVelezLl this also does away with the copy / reference issue altogether using the for loop to update things in place

rtibbles · 2024-04-29T23:28:57Z

kolibri/core/assets/src/exams/utils.js

+      resolve(exam);
+    }
+  }).then(exam => {
+    if (data_model_version <= 1) {


Surely after each step here, we would need to update the data_model_version, otherwise we will update to v2 and no further, if the data_model_version is 1?

The subsequent if-statements will run too because 1 <= 2 == true then the next because 1 <= 3, etc.

If we updated the data_model_version I don't think that would impact how this works, though, and the checks could be made to be === checks rather than relying on this fall-through approach.

I think that my reasoning for not updating the data_model_version was thinking the data on the front-end should reflect what is persisted to the DB in this case -- but thinking a bit more now it does make sense to have that particular value reflect the structure of the data as it is now as it is passed around the front-end.

Yeah - I think my question here was connected to the v0v2 function - which converts from v0v2 (not v0 to v1, I think) and so as you correctly point out it got passed along here, we would be passing v2 stuff into the v1 to v2 because it had already been converted (although now, I do understand your desire to make each function do a single version leap).

rtibbles · 2024-04-29T23:31:37Z

kolibri/core/assets/test/exams/utils.spec.js

@@ -447,14 +443,14 @@ describe('exam utils', () => {
          title: 'Count with small numbers',
        },
      ];
-      expect(converted).toEqual(
+      expect(converted.question_sources[0].questions).toEqual(
        expectedOutput.map(q => {
          q.item = `${q.exercise_id}:${q.question_id}`;


I see the composite id we were using previously is being set as item on the questions by our functions here, is this not being used in the coach reports (i.e. why did we have to set it up as id separately?)

The item property seems to be used in some parts of the front-end. I just kept it here rather than taking on the task of unifying them under one name right now.

rtibbles · 2024-04-29T23:36:13Z

kolibri/plugins/coach/assets/test/selectRandomExamQuestions.spec.js

-  ['A1', 'A2', 'A3'],
-  ['B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8'],
-  ['C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7', 'C8', 'C9'],
+  ['A:A1', 'A:A2', 'A:A3'],


This looks a little suspicious to me - why are we updating this to the colon separated item values, when this is specifically the QUESTION_IDS with no other changes to the tests - or are we just not making the correct assertions about this in the tests for this to matter, and this should actually be the ITEM_IDS not the QUESTION_IDS?

I think that it's worth updating the API for the selectQuestions function a bit because it now uses the unique composite IDs rather than the question/exercise ids separately.

I'll look at it again and reconsider some of the naming and add comments -- might come up with a follow-up "Refactor selectQuestions & tests" issue

I made this commit hoping to clear up the expectations in the test & selectQuestions function call.

I have been inclined to just make id the key for the composite value rather than item and have a follow-up issue on deck to update the places that use item to call it id and add comments

I think there might be an argument to double down on the item instead. Can double check when I am back at my desk, but it is used fairly consistently into the logging layer as well.

See here where it ultimately ends up in the backend

kolibri/kolibri/core/logger/models.py

Line 277 in 7368f26

item = models.CharField(max_length=200, validators=[MinLengthValidator(1)])

I think there's probably some systemic updates to be made to be more consistent.

Awesome thanks for this! I've created this issue to align quiz creation with the use of item for the unique ID in particular.

AlexVelezLl · 2024-04-30T12:26:26Z

kolibri/core/assets/src/exams/utils.js

@@ -15,7 +14,7 @@ import { ExamResource, ContentNodeResource } from 'kolibri.resources';
 * @returns {array} - pseudo-randomized list of question objects compatible with v1 like:
 *    { exercise_id, question_id }
 */
-function convertExamQuestionSourcesV0V2(questionSources, seed, questionIds) {
+function convertExamQuestionSourcesV0V1(questionSources, seed, questionIds) {


From what I see in the JSDoc, it seems that the purpouse was converting v0 to v1, so probably the function had a wrong name?

I looked for convertExamQuestionSourcesV0V2 matches in the code, and I found this in a comment: https://github.com/AlexVelezLl/kolibri/blob/366b38342aa43930ce1c0f2a2c9b695258b40841/kolibri/core/exams/models.py#L134. I think it would be valuable also update this name there.

AlexVelezLl · 2024-04-30T12:30:26Z

kolibri/core/assets/src/exams/utils.js

-      copy.counter_in_exercise = copy.counterInExercise;
+  return annotateQuestionSourcesWithCounter(
+    questionSources.map(question => {
+      const copy = question;


This copy object here is doing nothing I think. The code is equivalent as if we replace all copy references with question, as the pointer is the same. If the intention of the first implementation was to avoid editing the original object, we need to make a copy like const copy = { ...question }

Great catch thank you!

AlexVelezLl · 2024-04-30T12:49:23Z

kolibri/core/assets/src/exams/utils.js

+    if (data_model_version <= 2) {
+      exam.question_sources = convertExamQuestionSourcesV2toV3(exam);
+    }
+    if (data_model_version <= 3) {


I think we can remove this if here, and just excecute the body for all cases. If in the future we have a v4, Wouldn't we need to annotate the questions with item?

AlexVelezLl · 2024-04-30T13:07:12Z

kolibri/core/assets/src/exams/utils.js

@@ -15,7 +14,7 @@ import { ExamResource, ContentNodeResource } from 'kolibri.resources';
 * @returns {array} - pseudo-randomized list of question objects compatible with v1 like:
 *    { exercise_id, question_id }
 */
-function convertExamQuestionSourcesV0V2(questionSources, seed, questionIds) {
+function convertExamQuestionSourcesV0V1(questionSources, seed, questionIds) {


Just realized that this function indeed returns a V2 structure, since it includes the counter_in_exercise prop.

AlexVelezLl · 2024-04-30T13:11:34Z

kolibri/core/assets/src/exams/utils.js

+export async function convertExamQuestionSources(exam) {
+  const { data_model_version } = exam;
+
+  return new Promise(resolve => {


If we are already using the async keyword in the function signature, wouldnt be better to use await instead of this promise? So the code is flatter.

Old habits die hard 😅 - good idea! I'll revise a bit

@AlexVelezLl looks so much nicer using await - lemme know what you think

Yees, this looks so much nicer! 👐

rtibbles

Still a couple of things that need to be tweaked here. And one question about the reports.

rtibbles · 2024-05-03T23:09:08Z

kolibri/core/assets/src/exams/utils.js

+        return exam;
+      }
+
+      // TODO: Reports will eventually want to have the proper section-specific data to render


We're not, as in within this PR, or not within this release? Won't that just give us the same extremely long question issue in reports that we have been trying to avoid in the taking of quizzes?

rtibbles · 2024-05-03T23:10:52Z

kolibri/core/assets/src/exams/utils.js

  }

-  return annotateQuestionsWithItem(exam.question_sources);
+  // TODO This avoids updating older code that used `item` to refer to the unique question id


Looks like this needs to be updated/removed in line with this issue, which is binding us to the opposite course of action: #12127

Maybe we should just update the annotateQuestionsWithItem to operate on a question_sources in the v3 shape?

rtibbles · 2024-05-03T23:14:22Z

kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/index.vue

+    methods: {
+      saveQuizAndRedirect() {
+        this.saveQuiz().then(() => {
+          this.$router.replace({ name: PageNames.EXAMS });


This route requires a classId parameter: https://github.com/learningequality/kolibri/blob/develop/kolibri/plugins/coach/assets/src/routes/planExamRoutes.js#L31

rtibbles · 2024-05-03T23:17:33Z

kolibri/plugins/learn/assets/src/modules/examViewer/handlers.js

@@ -55,61 +55,63 @@ export function showExam(store, params, alreadyOnQuiz) {
            contentNodes => {
              if (shouldResolve()) {
                // If necessary, convert the question source info
-                const question_sources = convertExamQuestionSourcesToV3(exam, { contentNodes });


Not here, but in the unedited code above, couldn't this use the updated util function that you made in this PR that fetches the exam and the content nodes all at once?

Also gets reports working

…ront-end data as it is converted

…osite :-separated ID

this may be better suited for an svg though

radinamatic · 2024-05-08T14:36:33Z

Tested the latest EXE asset on Windows 10, using Firefox and Edge for coach and learners, respectively.

I can appreciate that the backward compatibility was the main scope here, and I had planned to test it upgrading from a previous version, but several issues were present even out-of-the-box, that made more sense to report them first, before falling down the upgrade rabbit hole.

Coach can create and save the quiz, but cannot re-open it to edit questions/resources (just the quiz title and assignees, same as in previous versions)
Expand all and Collapse all buttons are not working, and neither is opening the accordion panel to preview questions, neither with mouse nor with keyboard. I can see the TypeError: _vm.activeResourceMap[question.exercise_id] is undefined error in the console.
Learner can start the quiz, but they cannot complete it, the Submit button is nowhere to be seen. For the same reason they cannot see the quiz report.

And no idea where the 👻 100 additional questions are coming from.
Coach can see the reports, but they all report learners have started as it's not possible to complete (see nº 3.).
Difficult questions are not displayed. I had 3 learners give incorrect answers to same 6 questions.

I have also some keyboard navigation specific issues, will report the summary later. It might be better to address these issues first, before testing the backward compatibility.

db-logs.zip

rtibbles · 2024-05-08T15:54:26Z

cannot re-open it to edit questions/resources

This continues to be intentional, although we could potentially add some leeway here in the case that the quiz has never been activated. The issues arise when a coach edits a quiz when students have already taken it, as without some sort of version control in place, we would not be able to properly parse responses from older versions.

marcellamaki · 2024-05-08T17:19:52Z

add some leeway here in the case that the quiz has never been activated

this seems like it could be useful, as with the new editing options, being able to edit/revise the quiz (before made visible to learners), seems more like expected behavior than with our current quiz selection/creation flow. But I don't know that it necessarily needs to be MVP. If it's not though, maybe some helper text at "save" would be useful.

radinamatic · 2024-05-08T20:42:59Z

Ditto to what Marcella said: we're adding more complex (enhanced) features to quiz creation, but we're not offering any options for revision and corrections? 🤔

Agreed that the limitation needs to be before the quiz is made visible to learners, but I can only imagine the frustration of the coach who invested time and effort to carefully craft the sections, add instructions and descriptions, select and order questions, and then they have to do it all over from scratch just because they discovered a typo after saving... 😭

Not to mention that error prevention is part of the WCAG 😉

radinamatic · 2024-05-08T20:48:39Z

At a minimum if we decide not to include it in the MVP, we must add the Please review carefully the quiz as you will not be able to edit it after saving modal, to warn the users, but honestly that just looks... well, just ...unpolished (to put it mildly). 😞

nucleogenesis · 2024-05-08T20:59:50Z

Users can duplicate a quiz, so in that case I think it makes even more sense to include the ability to "re-open" a quiz for editing within the quiz creation tool.

I think that in the medium-term it'd be ideal for us to revise some of the UX around this, but in the short term I think that we could get @tomiwaoLE 's thoughts on how/where to put the button / option to edit a quiz.

I think maybe having an "Edit quiz" button next to / near the "Start quiz" button might be worth considering along with adding text to the "Start quiz" modal (where we say 'this will make learners download 1234kb') to say "You will no longer be able to edit this quiz" or something?

radinamatic · 2024-05-08T21:47:13Z

(continued)

That quiz with 107 questions kept throwing error when the learner inputs the answer on the last questions and clicks the Next button (or presses Enter when navigating by keyboard).

Keyboard navigation issues

When focusing to select the Edit section option and pressing Enter, the drop-down remains visible even after the side panel with Section settings is opened.
Number of questions field works perfectly, the user can type and increase/decrease the number with arrow keys 💯
However, if they navigate further and focus the + button, it goes wild and each Enter key press adds (or concatenates) a number 1 to the number of questions... 🤪

I did delete all those 1's to be able to proceed, but could that be why the quiz in question had 100 👻 questions?
When focusing the Change resources button, pressing Enter and selecting resources to perform the change, when the work in that side panel is completed, whether user presses the focused Save changes button, or they decide to abandon and focus the Back ⬅️ button, the focus should return to Change resources button that initiated that whole workflow. As of now, the Close ✖️ button in the upper right corner is focused Instead.
By the same logic, if the Options button opens the Section settings, when that side panel is closed, the focus should return to the Options button.
The Section order section inside Section settings 🙃 is not keyboard navigable: the focus jumps right over it and lands on the Delete section button.
The 🔽 and 🔼 buttons to reorder questions by keyboard are focusable, but they do not work, nothing happens after pressing either Enter or Space. Not sure if that is because the whole accordion is not working in this asset...

nucleogenesis · 2024-05-08T21:54:33Z

@radinamatic

I've fixed the accordion expand/collapse issue.

I also fixed the issue where you ended up with 107 questions when it was supposed to be 17... Javascript is fun because it ended up that rather than trying to add 10 + 7 (two numbers) it was instead adding 10 + "7" (a number and a string) which results in forcing the number 10 into a string "10" then adding a "7" to it for "107"... so now I've made sure it always is working with numbers 😅

You should be able now to create a quiz and test it. I'm honestly not super sure exactly why the number was being passed around as a string rather than a number -- like, I feel I should have noticed this with all of the quizzes I've been taking. I think that maybe it was to do with whether or not you click the +/- buttons to change the number or type in the number. When I selected the box and typed in 7 on the second section, it ended up thinking there were 107 questions. But as far as I can remember I virtually always click the buttons rather than type it in 🤷🏻‍♂️

Fun and silly bug :)

I mentioned to @marcellamaki in a chat today that I did find it weird that I couldn't submit a quiz so I looked back at 0.16 and it's always visible there.

I looked in the Figma thinking that I'd find a discussion around the fact that the new designs remove the previously always-visible "Submit quiz" button that you'd see in 0.16.

So I'll ask for them to weigh in on that separately from this PR.

pcenov · 2024-05-09T15:05:28Z

Hi @nucleogenesis, great to see so much progress made here! Wow! Today I've started testing scenarios for users upgrading from Kolibri 0.15.2 to this latest version. So far I am happy to report that almost everything is working perfectly fine and as expected.
Here are a few issues that I was able to reliably replicate:

Missing value for 'File size to download' when starting a quiz which was created on 0.15.2 but not started until after the upgrade:

Missing.File.size.to.download.mp4

Cannot view a question listed as a difficult question:

Cannot.open.a.question.in.Difficult.questions.mp4

There's just an empty gray rectangle at the place of the section title for quizzes created in 0.15.2:

For one particular quiz I was able to stumble upon a difference in the number of questions answered correctly between the report I was seeing as a Coach in 0.15.2 and the one in the current version. I'll be further testing tomorrow to see if I can reliably replicate it:

Here are both home folders in case you need them:

kolibri16HomeFolder.zip
kolibri15HomeFolder.zip

rtibbles

Nothing blocking, but still some questions.

rtibbles · 2024-05-13T23:51:44Z

kolibri/core/assets/src/exams/utils.js

+/**
+ * @returns {Promise} - resolves to an object with the exam and the exercises
+ */
+export async function fetchExamWithContent(exam) {


This function name is mildly misleading, as it suggests this function fetches the exam, whereas it actually requires the exam to already have been fetched and passed in as the only argument.

rtibbles · 2024-05-13T23:55:56Z

kolibri/plugins/coach/assets/src/views/plan/CreateExamPage/SectionEditor.vue

@@ -557,6 +561,7 @@
    left: 0;
    padding: 1em;
    margin-top: 1em;
+    background-color: #ffffff;


Should we be setting this to themeTokens.surface instead? https://github.com/learningequality/kolibri-design-system/blob/release-v4/lib/styles/colorsDefault.js#L18

nucleogenesis requested a review from rtibbles April 26, 2024 17:51

github-actions bot added APP: Coach Re: Coach App (lessons, quizzes, groups, reports, etc.) DEV: frontend labels Apr 26, 2024

nucleogenesis requested a review from AlexVelezLl April 26, 2024 17:52

github-actions bot added the SIZE: medium label Apr 26, 2024

nucleogenesis requested a review from marcellamaki April 29, 2024 15:59

github-actions bot added APP: Learn Re: Learn App (content, quizzes, lessons, etc.) SIZE: large labels Apr 29, 2024

rtibbles reviewed Apr 29, 2024

View reviewed changes

AlexVelezLl reviewed Apr 30, 2024

View reviewed changes

nucleogenesis requested review from AlexVelezLl and rtibbles May 1, 2024 22:57

marcellamaki requested a review from radinamatic May 2, 2024 13:57

nucleogenesis added this to the Kolibri 0.17: Enhanced Quiz Management milestone May 2, 2024

nucleogenesis added the P0 - critical Priority: Release blocker or regression label May 3, 2024

nucleogenesis assigned rtibbles May 3, 2024

nucleogenesis linked an issue May 3, 2024 that may be closed by this pull request

Quiz Creation: Saving quiz, issues in Learn #12010

Closed

5 tasks

rtibbles requested changes May 3, 2024

View reviewed changes

nucleogenesis and others added 10 commits May 6, 2024 12:41

clean-up exam utils & selectQuestions & tests

d7ae55a

Also gets reports working

reports & diff questions reporting fix

e046244

fixed redirection and class assignment for quiz

75b3fca

fix examViewer handlers to use updated exam utils

c320ece

streamline and clarify version stepping; bump data_model_version in f…

3d33300

…ront-end data as it is converted

convertExamQuestionSources - replace promise chains with simpler async

093740f

indicate that selectQuestion's "question ids" must be the unique comp…

3b04803

…osite :-separated ID

use some instead of every in v1->v2

541b91f

make footer background opaque, fix spacing in SectionEditor

462b252

apply brand colors to question mark

c67bf2c

this may be better suited for an svg though

nucleogenesis force-pushed the 12097--take-quiz-view-report branch from 7ddd571 to c67bf2c Compare May 6, 2024 20:28

nucleogenesis added 2 commits May 6, 2024 13:32

include classId param when replacing route after quiz save

892a5f8

update comments to reflect info about id vs item in quiz creation

93bc3e1

use contentnode id where previously used content_id in useQuizCreation

9acc56d

parseInt section.question_count when counting all the questions

b4dfc1d

simplify showExam handler using new exam.util function

749f564

This was referenced May 9, 2024

Difficult questions are not displayed #12147

Closed

Keyboard Navigation fixes for enhanced quiz management #12148

Open

Question/quiz validation error #12149

Closed

Allow coaches to edit non-assigned quizzes. #12150

Open

rtibbles approved these changes May 13, 2024

View reviewed changes

nucleogenesis merged commit 8ff5292 into learningequality:develop May 14, 2024
31 checks passed

Exams: Create them, take them, view reports #12111

Exams: Create them, take them, view reports #12111

Conversation

nucleogenesis commented Apr 26, 2024

Summary

References

Reviewer guidance

Backward compatibility

github-actions bot commented Apr 26, 2024 • edited

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radinamatic commented May 8, 2024 • edited

rtibbles commented May 8, 2024

marcellamaki commented May 8, 2024

radinamatic commented May 8, 2024

radinamatic commented May 8, 2024

nucleogenesis commented May 8, 2024

radinamatic commented May 8, 2024 • edited

Keyboard navigation issues

nucleogenesis commented May 8, 2024

pcenov commented May 9, 2024

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github-actions bot commented Apr 26, 2024 •

edited

radinamatic commented May 8, 2024 •

edited

radinamatic commented May 8, 2024 •

edited