Function createMockPersistence

packages/ai-client/tests/test-utils.ts:22–30

(
  initial?: Array<UIMessage> | null,
)

 * methods via the returned object's `.mock*` helpers for async/error scenarios.
 */
export function createMockPersistence(
  initial?: Array<UIMessage> | null,
): ChatClientPersistence {
  return {
    getItem: vi.fn(() => initial),
    setItem: vi.fn(),
    removeItem: vi.fn(),
  }
}
/**
 * Options for creating a mock connection adapter
 */