fix: complete loading review coverage (#18)

frontend/src/app/app.spec.ts

@@ -17,6 +17,8 @@ describe('App', () => {
   beforeEach(() => {
     status.set('checking');
     session.isLoggedIn.set(false);
+    session.username.set('');
+    session.email.set('');
     vi.clearAllMocks();
     TestBed.configureTestingModule({
       providers: [provideRouter([]), { provide: SessionService, useValue: session }],
@@ -41,4 +43,24 @@ describe('App', () => {
     expect(session.refresh).toHaveBeenCalled();
     expect(fixture.nativeElement.querySelector('app-sign-in-page')).toBeNull();
   });
+
+  it('renders the sign-in page for an anonymous session', () => {
+    status.set('anonymous');
+    const fixture = TestBed.createComponent(App);
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.querySelector('app-sign-in-page')).not.toBeNull();
+    expect(fixture.nativeElement.querySelector('app-workspace-navigation')).toBeNull();
+  });
+
+  it('renders the workspace shell for an authenticated session', () => {
+    status.set('authenticated');
+    session.isLoggedIn.set(true);
+    session.username.set('Camille');
+    const fixture = TestBed.createComponent(App);
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.querySelector('app-workspace-navigation')).not.toBeNull();
+    expect(fixture.nativeElement.querySelector('app-sign-in-page')).toBeNull();
+  });
 });

frontend/src/app/components/apartment-form/apartment-form.spec.ts

@@ -64,4 +64,25 @@ describe('ApartmentForm', () => {
       'Impossible d’enregistrer cet appartement.',
     );
   });
+
+  it('preserves entered values after a save fails', async () => {
+    const fixture = TestBed.createComponent(ApartmentForm);
+    fixture.detectChanges();
+    await fixture.whenStable();
+    const form = fixture.componentInstance;
+    form.name.set('T2 rénové');
+    form.address.set('45 rue des Entrepreneurs');
+    form.purchasePrice.set(265000);
+    fixture.componentRef.setInput('saveError', 'Impossible d’enregistrer cet appartement.');
+    fixture.detectChanges();
+    await fixture.whenStable();
+
+    expect(fixture.nativeElement.querySelector('input[name=name]').value).toBe('T2 rénové');
+    expect(fixture.nativeElement.querySelector('input[name=address]').value).toBe(
+      '45 rue des Entrepreneurs',
+    );
+    expect(fixture.nativeElement.textContent).toContain(
+      'Impossible d’enregistrer cet appartement.',
+    );
+  });
 });

frontend/src/app/components/apartments-page/apartments-page.spec.ts

@@ -53,6 +53,16 @@ describe('ApartmentsPage', () => {
     expect(fixture.nativeElement.textContent).not.toContain('Aucun appartement enregistré');
   });
 
+  it('shows the empty state only after a successful empty load', () => {
+    workspace.apartmentLoadState.set({ loaded: true, loading: false, error: '' });
+    const fixture = TestBed.createComponent(ApartmentsPage);
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.textContent).toContain('Aucun appartement enregistré');
+    expect(fixture.nativeElement.querySelector('.skeleton-card')).toBeNull();
+    expect(fixture.nativeElement.querySelector('.load-error')).toBeNull();
+  });
+
   it('keeps established apartments visible during a background refresh', () => {
     workspace.apartments.set([
       {

frontend/src/app/services/file-download.service.ts

@@ -1,5 +1,6 @@
 import { Injectable, signal } from '@angular/core';
 import { finalize, Observable } from 'rxjs';
+import { withoutRecordKey, withoutSetValue } from './immutable-state';
 
 @Injectable({ providedIn: 'root' })
 export class FileDownloadService {
@@ -17,9 +18,9 @@ export class FileDownloadService {
   download(key: string, request: Observable<Blob>, fileName: string, errorMessage: string): void {
     if (this.pendingKeys().has(key)) return;
     this.pendingKeys.update((keys) => new Set(keys).add(key));
-    this.errors.update((errors) => this.withoutKey(errors, key));
+    this.errors.update((errors) => withoutRecordKey(errors, key));
     request
-      .pipe(finalize(() => this.pendingKeys.update((keys) => this.without(keys, key))))
+      .pipe(finalize(() => this.pendingKeys.update((keys) => withoutSetValue(keys, key))))
       .subscribe({
         next: (blob) => this.save(blob, fileName),
         error: () => this.errors.update((errors) => ({ ...errors, [key]: errorMessage })),
@@ -34,16 +35,4 @@ export class FileDownloadService {
     link.click();
     URL.revokeObjectURL(url);
   }
-
-  private without(values: ReadonlySet<string>, value: string): ReadonlySet<string> {
-    const next = new Set(values);
-    next.delete(value);
-    return next;
-  }
-
-  private withoutKey<T>(record: Record<string, T>, key: string): Record<string, T> {
-    const next = { ...record };
-    delete next[key];
-    return next;
-  }
 }

frontend/src/app/services/immutable-state.ts

@@ -0,0 +1,11 @@
+export function withoutSetValue<T>(values: ReadonlySet<T>, value: T): ReadonlySet<T> {
+  const next = new Set(values);
+  next.delete(value);
+  return next;
+}
+
+export function withoutRecordKey<T>(record: Record<string, T>, key: string): Record<string, T> {
+  const next = { ...record };
+  delete next[key];
+  return next;
+}

frontend/src/app/services/tenant-attachment-transfer.service.ts

@@ -3,6 +3,7 @@ import { computed, Injectable, inject, signal } from '@angular/core';
 import { finalize } from 'rxjs';
 import { FileDownloadService } from './file-download.service';
 import { TenantAttachment, TenantService } from './tenant.service';
+import { withoutRecordKey, withoutSetValue } from './immutable-state';
 
 @Injectable({ providedIn: 'root' })
 export class TenantAttachmentTransferService {
@@ -30,15 +31,15 @@ export class TenantAttachmentTransferService {
 
   upload(tenantId: string, file: File, onUploaded: (attachment: TenantAttachment) => void): void {
     if (this.uploadingTenantIds().has(tenantId)) return;
-    this.errors.update((errors) => this.withoutKey(errors, tenantId));
+    this.errors.update((errors) => withoutRecordKey(errors, tenantId));
     this.uploadingTenantIds.update((ids) => new Set(ids).add(tenantId));
     this.uploadProgress.update((progress) => ({ ...progress, [tenantId]: null }));
     this.tenantService
       .uploadAttachment(tenantId, file)
       .pipe(
         finalize(() => {
-          this.uploadingTenantIds.update((ids) => this.without(ids, tenantId));
-          this.uploadProgress.update((progress) => this.withoutKey(progress, tenantId));
+          this.uploadingTenantIds.update((ids) => withoutSetValue(ids, tenantId));
+          this.uploadProgress.update((progress) => withoutRecordKey(progress, tenantId));
         }),
       )
       .subscribe({
@@ -78,18 +79,6 @@ export class TenantAttachmentTransferService {
     return `attachment:${attachmentId}`;
   }
 
-  private without(values: ReadonlySet<string>, value: string): ReadonlySet<string> {
-    const next = new Set(values);
-    next.delete(value);
-    return next;
-  }
-
-  private withoutKey<T>(record: Record<string, T>, key: string): Record<string, T> {
-    const next = { ...record };
-    delete next[key];
-    return next;
-  }
-
   private errorMessage(error: unknown, fallback: string): string {
     return typeof error === 'object' &&
       error !== null &&

frontend/src/app/services/workspace-resource.ts

@@ -1,5 +1,6 @@
 import { signal } from '@angular/core';
 import { finalize, Observable } from 'rxjs';
+import { withoutRecordKey, withoutSetValue } from './immutable-state';
 
 export interface LoadState {
   loaded: boolean;
@@ -37,21 +38,16 @@ export class WorkspaceResource<T extends { id?: string }> {
         this.loadState.set({ loaded: true, loading: false, error: '' });
         if (revision !== this.revision) this.load();
       },
-      error: () =>
-        this.loadState.update((state) => ({
-          ...state,
-          loading: false,
-          error: this.messages.load,
-        })),
+      error: () => this.handleLoadError(revision),
     });
   }
 
   save(key: string, request: Observable<T>, onSuccess?: () => void): void {
     if (this.savingKeys().has(key)) return;
     this.savingKeys.update((keys) => new Set(keys).add(key));
-    this.saveErrors.update((errors) => this.withoutKey(errors, key));
+    this.saveErrors.update((errors) => withoutRecordKey(errors, key));
     request
-      .pipe(finalize(() => this.savingKeys.update((keys) => this.without(keys, key))))
+      .pipe(finalize(() => this.savingKeys.update((keys) => withoutSetValue(keys, key))))
       .subscribe({
         next: (saved) => {
           this.upsert(saved);
@@ -65,9 +61,9 @@ export class WorkspaceResource<T extends { id?: string }> {
   delete(id: string, request: Observable<void>): void {
     if (this.deletingIds().has(id)) return;
     this.deletingIds.update((ids) => new Set(ids).add(id));
-    this.deleteErrors.update((errors) => this.withoutKey(errors, id));
+    this.deleteErrors.update((errors) => withoutRecordKey(errors, id));
     request
-      .pipe(finalize(() => this.deletingIds.update((ids) => this.without(ids, id))))
+      .pipe(finalize(() => this.deletingIds.update((ids) => withoutSetValue(ids, id))))
       .subscribe({
         next: () => {
           this.confirmChange((items) => items.filter((item) => item.id !== id));
@@ -91,7 +87,16 @@ export class WorkspaceResource<T extends { id?: string }> {
   }
 
   clearSaveError(key: string): void {
-    this.saveErrors.update((errors) => this.withoutKey(errors, key));
+    this.saveErrors.update((errors) => withoutRecordKey(errors, key));
+  }
+
+  private handleLoadError(revision: number): void {
+    this.loadState.update((state) => ({
+      ...state,
+      loading: false,
+      error: this.messages.load,
+    }));
+    if (revision !== this.revision) this.load();
   }
 
   private confirmChange(updateItems: (items: T[]) => T[]): void {
@@ -99,16 +104,4 @@ export class WorkspaceResource<T extends { id?: string }> {
     this.items.update(updateItems);
     this.loadState.update((state) => ({ ...state, loaded: true, error: '' }));
   }
-
-  private without(values: ReadonlySet<string>, value: string): ReadonlySet<string> {
-    const next = new Set(values);
-    next.delete(value);
-    return next;
-  }
-
-  private withoutKey<V>(record: Record<string, V>, key: string): Record<string, V> {
-    const next = { ...record };
-    delete next[key];
-    return next;
-  }
 }

frontend/src/app/services/workspace.service.spec.ts

@@ -160,6 +160,26 @@ describe('WorkspaceService', () => {
     expect(apartments.getApartments).toHaveBeenCalledTimes(2);
   });
 
+  it('reconciles after an older refresh fails behind a confirmed apartment save', () => {
+    const updatedApartment = { ...apartment, name: 'T2 rénové' };
+    const staleRefresh = new Subject<(typeof apartment)[]>();
+    const reconciledRefresh = new Subject<(typeof apartment)[]>();
+    apartments.getApartments
+      .mockReturnValueOnce(staleRefresh)
+      .mockReturnValueOnce(reconciledRefresh);
+    apartments.updateApartment.mockReturnValueOnce(of(updatedApartment));
+    const service = TestBed.inject(WorkspaceService);
+    service.apartments.set([apartment]);
+
+    service.loadApartments();
+    service.saveApartment(updatedApartment, apartment.id);
+    staleRefresh.error(new Error('offline'));
+
+    expect(service.apartments()).toEqual([updatedApartment]);
+    expect(apartments.getApartments).toHaveBeenCalledTimes(2);
+    expect(service.apartmentLoadState()).toEqual({ loaded: true, loading: true, error: '' });
+  });
+
   it('scopes concurrent apartment saves and failures to their records', () => {
     const firstSave = new Subject<typeof apartment>();
     const secondApartment = { ...apartment, id: 'apartment-2', name: 'T3' };