test: test style

Author: hi-ogawa

playground/rolldown-dev-react/__tests__/basic.spec.ts

@@ -1,4 +1,4 @@
-import { test } from 'vitest'
+import { expect, test } from 'vitest'
 import { editFile, isBuild, page, viteTestUrl } from '../../test-utils'
 
 test('basic', async () => {
@@ -10,6 +10,24 @@ test('basic', async () => {
   await page.getByText('[alias] test-alias-dest:ok').click()
 })
 
+test('style', async () => {
+  expect(
+    await page
+      .locator('.test-style')
+      .evaluate((el) => getComputedStyle(el).color),
+  ).toBe('rgb(255, 165, 0)')
+  expect(
+    await page
+      .locator('.test-style-url')
+      .evaluate((el) => getComputedStyle(el).color),
+  ).toBe('rgb(255, 165, 0)')
+  expect(
+    await page
+      .locator('.test-style-inline')
+      .evaluate((el) => getComputedStyle(el).color),
+  ).toBe('rgb(255, 165, 0)')
+})
+
 test.runIf(!isBuild)('hmr', async () => {
   await page.goto(viteTestUrl)
   await page.getByRole('button', { name: 'Count: 0' }).click()