IGP-Fan-Reference/docs/AI Gen Docs/test-storage-persistence.md

type, status, category, isAgentGenerated

type	status	category	isAgentGenerated
Task	AI Gen TODO	QA	true

Test: Storage Persistence Across Page Reloads

Description

Verify that the Build Calculator correctly persists and restores user settings (selected faction, immortal, build input delays, attack/travel times) across page reloads using localStorage.

Rationale

The app relies on Blazored.LocalStorage via IStorageService to persist settings. No existing test covers the round-trip: set a value, reload the page, and assert the value survived. This is a common source of regressions when storage keys, serialization, or service initialization changes.

Playwright Feature

This test uses page.evaluate() to directly inspect localStorage and page.goto() with a fresh navigation to verify persistence across a full Blazor WASM lifecycle (including hydration and service re-initialization).

Unlike existing tests that set values and immediately assert in-memory Blazor state, this test:

1. Sets a filter value via the UI (select option).
2. Reads the raw localStorage key to confirm Blazor wrote it.
3. Reloads the page (page.reload() or a fresh page.goto).
4. Asserts the UI reflects the restored value without user re-selection.

Example Assertions

• localStorage.getItem('SelectedFaction') equals DataType.FACTION_QRath GUID after selecting Q'Rath.
• After reload, the faction <select> element shows Q'Rath selected without any selectOption call.
• After reload, the hotkey viewer shows Q→Acropolis (proving the filter was restored end-to-end).