feat: unify research in profile-bound decks with TweetDeck-style UI

src/features/decks/use-deck.test.ts

@@ -1,20 +1,20 @@
 import { act, renderHook } from '@testing-library/react'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
-import { EMPTY_DECK } from './model'
+import { EMPTY_DECK, EMPTY_WORKSPACE } from './model'
 import { DECK_STORAGE_KEY, useDeck } from './use-deck'
 
 beforeEach(() => {
   localStorage.clear()
   vi.restoreAllMocks()
 })
-
-describe('saved deck', () => {
+describe('saved decks', () => {
   it('restores saved conditions without overwriting them during mount', () => {
-    const saved = { ...EMPTY_DECK, title: 'WebMCP調査' }
+    const deck = { ...EMPTY_DECK, title: 'WebMCP調査' }
+    const saved = { ...EMPTY_WORKSPACE, decks: [deck] }
     localStorage.setItem(DECK_STORAGE_KEY, JSON.stringify(saved))
     const { result } = renderHook(useDeck)
     expect(result.current.ready).toBe(true)
-    expect(result.current.deck).toEqual(saved)
+    expect(result.current.deck).toEqual(deck)
     expect(JSON.parse(localStorage.getItem(DECK_STORAGE_KEY) ?? '')).toEqual(
       saved,
     )
@@ -25,21 +25,42 @@ describe('saved deck', () => {
     expect(result.current.storageError).toContain('読み込めません')
     expect(localStorage.getItem(DECK_STORAGE_KEY)).toBe('{broken')
   })
-  it('persists edits and restores them on remount', () => {
-    const first = renderHook(useDeck)
-    act(() =>
-      first.result.current.save({ ...EMPTY_DECK, title: '保存した調査' }),
-    )
-    first.unmount()
-    expect(renderHook(useDeck).result.current.deck.title).toBe('保存した調査')
-  })
-  it('reports failed writes instead of claiming that changes were saved', () => {
+  it('reports failed writes while keeping changes usable in memory', () => {
     vi.spyOn(Storage.prototype, 'setItem').mockImplementation(() => {
       throw new Error('QuotaExceededError')
     })
     const { result } = renderHook(useDeck)
-    act(() => result.current.save({ ...EMPTY_DECK, title: '未保存' }))
+    let persisted = true
+    act(() => {
+      persisted = result.current.save({ ...EMPTY_DECK, title: '未保存' })
+    })
+    expect(persisted).toBe(false)
     expect(result.current.deck.title).toBe('未保存')
     expect(result.current.storageError).toContain('保存できません')
   })
+  it('keeps decks isolated through immediate create, edit, switch and reload', () => {
+    const { result, unmount } = renderHook(useDeck)
+    const firstId = result.current.deck.id
+    let secondId = ''
+    act(() => {
+      result.current.create('第二の調査')
+      secondId = result.current.getWorkspace().activeDeckId
+      result.current.save({
+        id: secondId,
+        title: '変更した第二の調査',
+        columns: [],
+      })
+      result.current.select(firstId)
+    })
+    expect(result.current.deck.title).toBe('新しい調査')
+    expect(result.current.workspace.decks).toHaveLength(2)
+    unmount()
+    const restored = renderHook(useDeck)
+    act(() => restored.result.current.select(secondId))
+    expect(restored.result.current.deck.title).toBe('変更した第二の調査')
+    act(() => restored.result.current.remove(secondId))
+    expect(restored.result.current.deck.id).toBe(firstId)
+    expect(() => restored.result.current.remove(firstId)).toThrow('最後')
+    expect(() => restored.result.current.select('missing')).toThrow()
+  })
 })