refactor: adjust runtime-dom test structure + tests for dom props

packages/runtime-dom/__tests__/patchAttrs.spec.ts

@@ -0,0 +1,37 @@
+import { patchProp } from '../src/patchProp'
+import { xlinkNS } from '../src/modules/attrs'
+
+describe('runtime-dom: attrs patching', () => {
+  test('xlink attributes', () => {
+    const el = document.createElementNS('http://www.w3.org/2000/svg', 'use')
+    patchProp(el, 'xlink:href', null, 'a', true)
+    expect(el.getAttributeNS(xlinkNS, 'href')).toBe('a')
+    patchProp(el, 'xlink:href', 'a', null, true)
+    expect(el.getAttributeNS(xlinkNS, 'href')).toBe(null)
+  })
+
+  test('boolean attributes', () => {
+    const el = document.createElement('input')
+    patchProp(el, 'readonly', null, true)
+    expect(el.getAttribute('readonly')).toBe('')
+    patchProp(el, 'readonly', true, false)
+    expect(el.getAttribute('readonly')).toBe(null)
+  })
+
+  test('attributes', () => {
+    const el = document.createElement('div')
+    patchProp(el, 'foo', null, 'a')
+    expect(el.getAttribute('foo')).toBe('a')
+    patchProp(el, 'foo', 'a', null)
+    expect(el.getAttribute('foo')).toBe(null)
+  })
+
+  // #949
+  test('onxxx but non-listener attributes', () => {
+    const el = document.createElement('div')
+    patchProp(el, 'onwards', null, 'a')
+    expect(el.getAttribute('onwards')).toBe('a')
+    patchProp(el, 'onwards', 'a', null)
+    expect(el.getAttribute('onwards')).toBe(null)
+  })
+})