Dynamic panels (#24184)

* Don't require all panel urls to be registered

* Allow removing panels, fire event when panels updated

tests/components/frontend/test_init.py

@@ -8,10 +8,11 @@ import pytest
 from homeassistant.setup import async_setup_component
 from homeassistant.components.frontend import (
     DOMAIN, CONF_JS_VERSION, CONF_THEMES, CONF_EXTRA_HTML_URL,
-    CONF_EXTRA_HTML_URL_ES5)
+    CONF_EXTRA_HTML_URL_ES5, generate_negative_index_regex,
+    EVENT_PANELS_UPDATED)
 from homeassistant.components.websocket_api.const import TYPE_RESULT
 
-from tests.common import mock_coro
+from tests.common import mock_coro, async_capture_events
 
 
 CONFIG_THEMES = {
@@ -232,12 +233,21 @@ def test_extra_urls(mock_http_client_with_urls, mock_onboarded):
     assert text.find('href="https://domain.com/my_extra_url.html"') >= 0
 
 
-async def test_get_panels(hass, hass_ws_client):
+async def test_get_panels(hass, hass_ws_client, mock_http_client):
     """Test get_panels command."""
-    await async_setup_component(hass, 'frontend', {})
-    await hass.components.frontend.async_register_built_in_panel(
+    events = async_capture_events(hass, EVENT_PANELS_UPDATED)
+
+    resp = await mock_http_client.get('/map')
+    assert resp.status == 404
+
+    hass.components.frontend.async_register_built_in_panel(
         'map', 'Map', 'mdi:tooltip-account', require_admin=True)
 
+    resp = await mock_http_client.get('/map')
+    assert resp.status == 200
+
+    assert len(events) == 1
+
     client = await hass_ws_client(hass)
     await client.send_json({
         'id': 5,
@@ -255,14 +265,21 @@ async def test_get_panels(hass, hass_ws_client):
     assert msg['result']['map']['title'] == 'Map'
     assert msg['result']['map']['require_admin'] is True
 
+    hass.components.frontend.async_remove_panel('map')
+
+    resp = await mock_http_client.get('/map')
+    assert resp.status == 404
+
+    assert len(events) == 2
+
 
 async def test_get_panels_non_admin(hass, hass_ws_client, hass_admin_user):
     """Test get_panels command."""
     hass_admin_user.groups = []
     await async_setup_component(hass, 'frontend', {})
-    await hass.components.frontend.async_register_built_in_panel(
+    hass.components.frontend.async_register_built_in_panel(
         'map', 'Map', 'mdi:tooltip-account', require_admin=True)
-    await hass.components.frontend.async_register_built_in_panel(
+    hass.components.frontend.async_register_built_in_panel(
         'history', 'History', 'mdi:history')
 
     client = await hass_ws_client(hass)
@@ -331,3 +348,43 @@ async def test_auth_authorize(mock_http_client):
     resp = await mock_http_client.get(authorizejs.groups(0)[0])
     assert resp.status == 200
     assert 'public' in resp.headers.get('cache-control')
+
+
+def test_index_regex():
+    """Test the index regex."""
+    pattern = re.compile('/' + generate_negative_index_regex())
+
+    for should_match in (
+            '/',
+            '/lovelace',
+            '/lovelace/default_view',
+            '/map',
+            '/config',
+    ):
+        assert pattern.match(should_match), should_match
+
+    for should_not_match in (
+            '/service_worker.js',
+            '/manifest.json',
+            '/onboarding.html',
+            '/manifest.json',
+            'static',
+            'static/',
+            'static/index.html',
+            'frontend_latest',
+            'frontend_latest/',
+            'frontend_latest/index.html',
+            'frontend_es5',
+            'frontend_es5/',
+            'frontend_es5/index.html',
+            'local',
+            'local/',
+            'local/index.html',
+            'auth',
+            'auth/',
+            'auth/index.html',
+            '/api',
+            '/api/',
+            '/api/logbook',
+    ):
+        assert not pattern.match(should_not_match), should_not_match