"""Test that plugins can inject HTML into base.html via get_html_head_extras hookimpl."""
import pytest
from flask import url_for, Response
from changedetectionio.pluggy_interface import hookimpl, plugin_manager
_MY_JS = "console.log('my_module_content loaded');"
_MY_CSS = ".my-module-example { color: red; }"
class _HeadExtrasPlugin:
"""Test plugin that injects tags pointing at its own Flask routes."""
@hookimpl
def get_html_head_extras(self):
css_url = url_for('test_plugin_my_module_content_css')
js_url = url_for('test_plugin_my_module_content_js')
return (
f'\n'
f''
)
@pytest.fixture(scope='module')
def plugin_routes(live_server):
"""Register plugin asset routes once per module (Flask routes can't be added twice)."""
app = live_server.app
@app.route('/test-plugin/my_module_content/css')
def test_plugin_my_module_content_css():
return Response(_MY_CSS, mimetype='text/css',
headers={'Cache-Control': 'max-age=3600'})
@app.route('/test-plugin/my_module_content/js')
def test_plugin_my_module_content_js():
return Response(_MY_JS, mimetype='application/javascript',
headers={'Cache-Control': 'max-age=3600'})
@pytest.fixture
def head_extras_plugin(plugin_routes):
"""Register the hookimpl for one test then unregister it — function-scoped for clean isolation."""
plugin = _HeadExtrasPlugin()
plugin_manager.register(plugin, name="test_head_extras")
yield plugin
plugin_manager.unregister(name="test_head_extras")
def test_plugin_html_injected_into_head(client, live_server, measure_memory_usage, datastore_path, head_extras_plugin):
"""get_html_head_extras output must appear inside in the rendered page."""
res = client.get(url_for("watchlist.index"), follow_redirects=True)
assert res.status_code == 200
assert b'id="test-head-extra-css"' in res.data, "Plugin tag missing from rendered page"
assert b'id="test-head-extra-js"' in res.data, "Plugin