test: cover reschedule retry recovery

tests/test_today_week_reschedule.py

@@ -326,8 +326,9 @@ console.log(JSON.stringify({message,adopted,pending:controller.pending(),remaini
     assert result["remaining"] == 1
 
 
-def test_reschedule_dialog_closes_as_soon_as_a_valid_move_is_confirmed():
+def run_mounted_confirmation(*, fail_move: bool = False) -> dict:
-    result = run_controller("""
+    failure = "true" if fail_move else "false"
+    scenario = """
 const mount=require('./frontend/today-week-reschedule.js').mount;
 class Element {
  constructor(){this.listeners={};this.dataset={};this.children=[];this.open=false;this.disabled=false;this.value='';this.textContent='';}
@@ -351,8 +352,8 @@ const selectors={
 };
 const document={hidden:false,addEventListener(){},createElement:()=>new Element()};
 const window={addEventListener(){},setTimeout(){}};
-let finishMove;
+let finishMove,failMove;
-const move=new Promise(resolve=>{finishMove=resolve;});
+const move=new Promise((resolve,reject)=>{finishMove=resolve;failMove=reject;});
 const today={revision:4,ids:['active'],estimates:{active:30}};
 const weekState={revision:7,offline_snapshot:false,days:[]};
 const week={load:async()=>weekState,review:()=>({days:[{
@@ -367,12 +368,29 @@ await selectors['#today-week-reschedule-days'].children[0].emit('click');
 const confirming=selectors['#confirm-today-week-reschedule'].emit('click');
 await Promise.resolve();
 const openWhileSaving=selectors['#today-week-reschedule'].open;
-finishMove({today:{revision:5,ids:[],estimates:{}},week:{revision:8,days:[]}});
+if(__FAIL_MOVE__){
+ const error=new Error('Move unavailable. Try again.');error.status=500;failMove(error);
+}else{
+ finishMove({today:{revision:5,ids:[],estimates:{}},week:{revision:8,days:[]}});
+}
 await confirming;
-console.log(JSON.stringify({openWhileSaving,openAfterSaving:selectors['#today-week-reschedule'].open}));
+console.log(JSON.stringify({openWhileSaving,openAfterSettled:selectors['#today-week-reschedule'].open}));
-""")
+"""
+    return run_controller(scenario.replace("__FAIL_MOVE__", failure))
 
-    assert result == {"openWhileSaving": False, "openAfterSaving": False}
+
+def test_reschedule_dialog_closes_as_soon_as_a_valid_move_is_confirmed():
+    assert run_mounted_confirmation() == {
+        "openWhileSaving": False,
+        "openAfterSettled": False,
+    }
+
+
+def test_reschedule_dialog_reopens_with_retry_state_when_confirm_fails():
+    assert run_mounted_confirmation(fail_move=True) == {
+        "openWhileSaving": False,
+        "openAfterSettled": True,
+    }
 
 
 def test_mobile_active_today_reschedule_dialog_is_touch_safe_and_wired_into_release_bundle():