ComfyUI_frontend/browser_tests/tests/vueNodes/widgets/imageCrop.spec.ts

import {
  comfyExpect as expect,
  comfyPageFixture as test
} from '@e2e/fixtures/ComfyPage'
import type { ComfyPage } from '@e2e/fixtures/ComfyPage'

type CropValue = { x: number; y: number; width: number; height: number } | null

test.describe('Image Crop', { tag: ['@widget', '@vue-nodes'] }, () => {
  test.describe('without source image', () => {
    test.beforeEach(async ({ comfyPage }) => {
      await comfyPage.workflow.loadWorkflow('widgets/image_crop_widget')
      await comfyPage.vueNodes.waitForNodes()
    })

    test(
      'Shows empty state when no input image is connected',
      { tag: '@smoke' },
      async ({ comfyPage }) => {
        const node = comfyPage.vueNodes.getNodeLocator('1')
        await expect(node).toBeVisible()

        await expect.soft(node.getByTestId('crop-empty-icon')).toBeVisible()
        await expect.soft(node).toContainText('No input image connected')
        await expect.soft(node.getByTestId('crop-overlay')).toHaveCount(0)
        await expect.soft(node.locator('img')).toHaveCount(0)
      }
    )

    test(
      'Renders controls in default state',
      { tag: '@smoke' },
      async ({ comfyPage }) => {
        const node = comfyPage.vueNodes.getNodeLocator('1')
        await expect(node).toBeVisible()

        await expect(node.getByText('Ratio')).toBeVisible()
        await expect(
          node.locator('button:has(.icon-\\[lucide--lock-open\\])')
        ).toBeVisible()
        await expect(node.locator('input')).toHaveCount(4)
      }
    )
  })

  test.describe(
    'with source image after execution',
    { tag: ['@widget', '@slow'] },
    () => {
      async function getCropValue(comfyPage: ComfyPage): Promise<CropValue> {
        return comfyPage.page.evaluate(() => {
          const n = window.app!.graph.getNodeById(2)
          const w = n?.widgets?.find((w) => w.type === 'imagecrop')
          const v = w?.value
          if (v && typeof v === 'object' && 'x' in v) {
            const crop = v as {
              x: number
              y: number
              width: number
              height: number
            }
            return {
              x: crop.x,
              y: crop.y,
              width: crop.width,
              height: crop.height
            }
          }
          return null
        })
      }

      test.beforeEach(async ({ comfyPage }) => {
        await comfyPage.workflow.loadWorkflow('widgets/image_crop_with_source')
        await comfyPage.vueNodes.waitForNodes()
        await comfyPage.runButton.click()
        await expect(
          comfyPage.vueNodes.getNodeLocator('2').locator('img')
        ).toBeVisible({ timeout: 30_000 })
      })

      test(
        'Displays source image with crop overlay after execution',
        { tag: ['@smoke', '@screenshot'] },
        async ({ comfyPage }) => {
          const node = comfyPage.vueNodes.getNodeLocator('2')
          const img = node.locator('img')

          await expect
            .poll(() => img.evaluate((el: HTMLImageElement) => el.naturalWidth))
            .toBeGreaterThan(0)

          await expect(node.getByTestId('crop-overlay')).toBeVisible()
          await comfyPage.nextFrame()
          await comfyPage.nextFrame()
          await expect(node).toHaveScreenshot('image-crop-with-source.png', {
            maxDiffPixelRatio: 0.05
          })
        }
      )

      test(
        'Drag crop box updates crop position',
        { tag: ['@smoke', '@screenshot'] },
        async ({ comfyPage }) => {
          const node = comfyPage.vueNodes.getNodeLocator('2')
          const cropBox = node.getByTestId('crop-overlay')
          const box = await cropBox.boundingBox()
          if (!box) throw new Error('Crop box not found')

          const valueBefore = await getCropValue(comfyPage)
          if (!valueBefore)
            throw new Error('Widget value missing — check fixture setup')

          const startX = box.x + box.width / 2
          const startY = box.y + box.height / 2

          const pointerOpts = { bubbles: true, cancelable: true, pointerId: 1 }
          await cropBox.dispatchEvent('pointerdown', {
            ...pointerOpts,
            clientX: startX,
            clientY: startY
          })
          await comfyPage.nextFrame()
          await cropBox.dispatchEvent('pointermove', {
            ...pointerOpts,
            clientX: startX + 15,
            clientY: startY + 10
          })
          await comfyPage.nextFrame()
          await cropBox.dispatchEvent('pointermove', {
            ...pointerOpts,
            clientX: startX + 30,
            clientY: startY + 20
          })
          await cropBox.dispatchEvent('pointerup', {
            ...pointerOpts,
            clientX: startX + 30,
            clientY: startY + 20
          })
          await comfyPage.nextFrame()

          await expect(async () => {
            const valueAfter = await getCropValue(comfyPage)
            expect(valueAfter?.x).toBeGreaterThan(valueBefore.x)
            expect(valueAfter?.y).toBeGreaterThan(valueBefore.y)
            expect(valueAfter?.width).toBe(valueBefore.width)
            expect(valueAfter?.height).toBe(valueBefore.height)
          }).toPass({ timeout: 5000 })

          await expect(node).toHaveScreenshot('image-crop-after-drag.png', {
            maxDiffPixelRatio: 0.05
          })
        }
      )
    }
  )
})