| import pytest | |
| @pytest.fixture | |
| def get_shadow_page(inline): | |
| def get_shadow_page(shadow_content): | |
| return inline(""" | |
| <custom-shadow-element></custom-shadow-element> | |
| <script> | |
| customElements.define('custom-shadow-element', | |
| class extends HTMLElement {{ | |
| constructor() {{ | |
| super(); | |
| this.attachShadow({{mode: 'open'}}).innerHTML = ` | |
| {{ {0} }} | |
| `; | |
| }} | |
| }}); | |
| </script>""".format(shadow_content)) | |
| return get_shadow_page |