useToast.test.tsx

import { describe, expect, it } from 'vitest'
import { renderHook, act } from '@testing-library/react'
import type { ReactNode } from 'react'
import { ToastProvider } from '@/context/ToastContext'
import { useToast } from './useToast'

const wrapper = ({ children }: { children: ReactNode }) => (
  <ToastProvider>{children}</ToastProvider>
)

describe('useToast', () => {
  it('throws when used outside ToastProvider', () => {
    expect(() => renderHook(() => useToast())).toThrowError(
      /useToast must be used within a ToastProvider/
    )
  })

  it('returns showToast function inside provider', () => {
    const { result } = renderHook(() => useToast(), { wrapper })
    expect(typeof result.current.showToast).toBe('function')
  })

  it('showToast does not throw when called', () => {
    const { result } = renderHook(() => useToast(), { wrapper })
    expect(() => {
      act(() => {
        result.current.showToast('hi', 'success')
      })
    }).not.toThrow()
  })
})