add unittests

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

@@ -0,0 +1,106 @@
+import type { FC } from 'react'
+import { fireEvent, render, screen } from '@testing-library/react'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { CommentInput } from './comment-input'
+
+type MentionInputProps = {
+  value: string
+  onChange: (value: string) => void
+  onSubmit: (content: string, mentionedUserIds: string[]) => void
+  placeholder?: string
+  autoFocus?: boolean
+  className?: string
+}
+
+const stableT = (key: string, options?: { ns?: string }) => (
+  options?.ns ? `${options.ns}.${key}` : key
+)
+
+let mentionInputProps: MentionInputProps | null = null
+
+vi.mock('react-i18next', () => ({
+  useTranslation: () => ({
+    t: stableT,
+  }),
+}))
+
+vi.mock('@/context/app-context', () => ({
+  useAppContext: () => ({
+    userProfile: {
+      id: 'user-1',
+      name: 'Alice',
+      avatar_url: 'avatar',
+    },
+  }),
+}))
+
+vi.mock('@/app/components/base/avatar', () => ({
+  default: ({ name }: { name: string }) => <div data-testid="avatar">{name}</div>,
+}))
+
+vi.mock('./mention-input', () => ({
+  MentionInput: ((props: MentionInputProps) => {
+    mentionInputProps = props
+    return (
+      <button
+        type="button"
+        data-testid="mention-input"
+        onClick={() => props.onSubmit('Hello', ['user-2'])}
+      >
+        MentionInput
+      </button>
+    )
+  }) as FC<MentionInputProps>,
+}))
+
+describe('CommentInput', () => {
+  beforeEach(() => {
+    vi.clearAllMocks()
+    mentionInputProps = null
+  })
+
+  it('passes translated placeholder to mention input', () => {
+    render(
+      <CommentInput
+        position={{ x: 0, y: 0 }}
+        onSubmit={vi.fn()}
+        onCancel={vi.fn()}
+      />,
+    )
+
+    expect(mentionInputProps?.placeholder).toBe('workflow.comments.placeholder.add')
+    expect(mentionInputProps?.autoFocus).toBe(true)
+  })
+
+  it('calls onCancel when Escape is pressed', () => {
+    const onCancel = vi.fn()
+
+    render(
+      <CommentInput
+        position={{ x: 0, y: 0 }}
+        onSubmit={vi.fn()}
+        onCancel={onCancel}
+      />,
+    )
+
+    fireEvent.keyDown(document, { key: 'Escape' })
+
+    expect(onCancel).toHaveBeenCalledTimes(1)
+  })
+
+  it('forwards mention submit to onSubmit', () => {
+    const onSubmit = vi.fn()
+
+    render(
+      <CommentInput
+        position={{ x: 0, y: 0 }}
+        onSubmit={onSubmit}
+        onCancel={vi.fn()}
+      />,
+    )
+
+    fireEvent.click(screen.getByTestId('mention-input'))
+
+    expect(onSubmit).toHaveBeenCalledWith('Hello', ['user-2'])
+  })
+})