add unittests

web/app/components/workflow/comment/comment-preview.spec.tsx

@@ -0,0 +1,86 @@
+import type { WorkflowCommentList } from '@/service/workflow-comment'
+import { fireEvent, render, screen } from '@testing-library/react'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import CommentPreview from './comment-preview'
+
+type UserProfile = WorkflowCommentList['created_by_account']
+
+const mockSetHovering = vi.fn()
+let capturedUsers: UserProfile[] = []
+
+vi.mock('@/app/components/base/user-avatar-list', () => ({
+  UserAvatarList: ({ users }: { users: UserProfile[] }) => {
+    capturedUsers = users
+    return <div data-testid="avatar-list">{users.map(user => user.id).join(',')}</div>
+  },
+}))
+
+vi.mock('@/hooks/use-format-time-from-now', () => ({
+  useFormatTimeFromNow: () => ({
+    formatTimeFromNow: (value: number) => `time:${value}`,
+  }),
+}))
+
+vi.mock('../store', () => ({
+  useStore: (selector: (state: { setCommentPreviewHovering: (value: boolean) => void }) => unknown) =>
+    selector({ setCommentPreviewHovering: mockSetHovering }),
+}))
+
+const createComment = (overrides: Partial<WorkflowCommentList> = {}): WorkflowCommentList => {
+  const author = { id: 'user-1', name: 'Alice', email: 'alice@example.com' }
+  const participant = { id: 'user-2', name: 'Bob', email: 'bob@example.com' }
+
+  return {
+    id: 'comment-1',
+    position_x: 0,
+    position_y: 0,
+    content: 'Hello',
+    created_by: author.id,
+    created_by_account: author,
+    created_at: 1,
+    updated_at: 10,
+    resolved: false,
+    mention_count: 0,
+    reply_count: 0,
+    participants: [author, participant],
+    ...overrides,
+  }
+}
+
+describe('CommentPreview', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    capturedUsers = []
+  })
+
+  it('orders participants with author first and formats time', () => {
+    const comment = createComment()
+
+    render(<CommentPreview comment={comment} />)
+
+    expect(capturedUsers.map(user => user.id)).toEqual(['user-1', 'user-2'])
+    expect(screen.getByText('Hello')).toBeInTheDocument()
+    expect(screen.getByText('time:10000')).toBeInTheDocument()
+  })
+
+  it('updates hover state on enter and leave', () => {
+    const comment = createComment()
+    const { container } = render(<CommentPreview comment={comment} />)
+    const root = container.firstElementChild as HTMLElement
+
+    fireEvent.mouseEnter(root)
+    fireEvent.mouseLeave(root)
+
+    expect(mockSetHovering).toHaveBeenCalledWith(true)
+    expect(mockSetHovering).toHaveBeenCalledWith(false)
+  })
+
+  it('clears hover state on unmount', () => {
+    const comment = createComment()
+    const { unmount } = render(<CommentPreview comment={comment} />)
+
+    unmount()
+
+    expect(mockSetHovering).toHaveBeenCalledWith(false)
+  })
+})