import pytest

try:
    from playwright.sync_api import expect
    pytestmark = pytest.mark.ui
except ImportError:
    pytestmark = pytest.mark.skip('playwright not available')

from panel.pane import Markdown
from panel.template import FastListTemplate
from panel.tests.util import serve_component


def test_fast_list_template_no_console_errors(page):
    tmpl = FastListTemplate()
    md = Markdown('Initial')

    tmpl.main.append(md)

    msgs, _ = serve_component(page, tmpl)

    expect(page.locator(".markdown").locator("div")).to_have_text('Initial\n')

    known_messages = [
        "setting log level to: 'info'",
        "Websocket connection 0 is now open",
        "document idle at",
        "items were rendered successfully",
    ]
    assert len([
        msg for msg in msgs if not any(known in msg.text for known in known_messages)
    ]) == 0


def test_fast_list_template_updates(page):
    tmpl = FastListTemplate()
    md = Markdown('Initial')

    tmpl.main.append(md)

    serve_component(page, tmpl)

    expect(page.locator(".markdown").locator("div")).to_have_text('Initial\n')
    md.object = 'Updated'
    expect(page.locator(".markdown").locator("div")).to_have_text('Updated\n')