Explain an expired Spotify sign-in

Closes #1043

Author: rowkav09

src/settings-onboarding-page.js

@@ -0,0 +1,12 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {runInNewContext} from 'node:vm';
+import {SERVICE_SCRIPT} from '../src/settings-onboarding-page.js';
+test('Spotify OAuth expiry explains that sign-in can be retried',async()=>{
+ let feedback='',cleared=false,loaded=false;
+ const context={spotifyFlow:'fixture-flow',spotifyGeneration:1,clearSpotifyLink(){cleared=true},say(id,text){assert.equal(id,'spotify-service-result');feedback=text},api:async()=>({status:'failed',error:'expired'}),async load(){loaded=true}};
+ const start=SERVICE_SCRIPT.indexOf('async function pollSpotify('),end=SERVICE_SCRIPT.indexOf("$('spotify-remove').addEventListener",start);
+ runInNewContext(SERVICE_SCRIPT.slice(start,end),context);await context.pollSpotify(1);
+ assert.equal(feedback,'Spotify sign-in failed: Sign-in expired. Click Sign in with Spotify to start again.');
+ assert.equal(context.spotifyFlow,null);assert.equal(cleared,true);assert.equal(loaded,false);
+});