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# deck-it - tests for frontend
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
import http.client
import json
import os
import socket
import tempfile
import threading
import unittest
import deckit.module as mod
import deckit.server as srv
class UnixConnection(http.client.HTTPConnection):
def __init__(self, path):
super().__init__("localhost")
self.path = path
def connect(self):
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.connect(self.path)
class Frontend(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.dir = tempfile.TemporaryDirectory()
cls.sock = os.path.join(cls.dir.name, "http.sock")
srv.TOKEN = "t"
srv.REGISTRY = mod.Registry([])
cls.server = srv.UnixHTTPServer(cls.sock, srv.Handler)
threading.Thread(target=cls.server.serve_forever, daemon=True).start()
@classmethod
def tearDownClass(cls):
cls.server.shutdown()
cls.server.server_close()
cls.dir.cleanup()
def get(self, path):
conn = UnixConnection(self.sock)
conn.request("GET", path, headers={"Host": "127.0.0.1:8765"})
r = conn.getresponse()
data = r.read()
conn.close()
return r.status, data
def test_page_references_assets(self):
status, body = self.get("/")
self.assertEqual(status, 200)
text = body.decode()
for asset in ("app.js", "deck.css", "vendor/gridstack/gridstack-all.js"):
self.assertIn(asset, text)
def test_pwa_manifest(self):
self.assertIn(b'rel="manifest"', self.get("/")[1])
manifest = json.loads(self.get("/manifest.json")[1])
self.assertEqual(manifest["display"], "fullscreen")
self.assertEqual(manifest["start_url"], "./")
for size in (192, 512):
self.assertEqual(self.get(f"/icon-{size}.png")[0], 200)
def test_vendor_assets_served(self):
for path in ("/vendor/gridstack/gridstack-all.js", "/vendor/gridstack/gridstack.min.css"):
self.assertEqual(self.get(path)[0], 200, path)
def test_css_uses_udt_vars(self):
status, body = self.get("/deck.css")
self.assertEqual(status, 200)
self.assertIn(b"--udt-", body)
def assert_panel(self, name):
status, body = self.get(f"/modules/{name}.js")
self.assertEqual(status, 200, name)
text = body.decode()
for part in ("export default", "mount", "update"):
self.assertIn(part, text, name)
def test_panel_for_every_module(self):
from deckit.modules import build
names = [m["name"] for m in build({}).names()]
self.assertIn("stats", names)
for name in names:
self.assert_panel(name)
def test_panels_have_their_scoped_wrapper(self):
self.assertIn(b'class="music"', self.get("/modules/music.js")[1])
self.assertIn(b'class="sbb"', self.get("/modules/sbbuilder.js")[1])
def test_tabbed_shell(self):
self.assertIn(b'id="tabs"', self.get("/")[1])
self.assertIn(b'id="tab-body"', self.get("/")[1])
self.assertIn(b"stepTab", self.get("/app.js")[1])
app = self.get("/app.js")[1]
for part in (b"deckit.tab", b"ensureTab", b"showTab"):
self.assertIn(part, app)
self.assertIn(b'tab: "OBS"', self.get("/modules/obs.js")[1])
self.assertIn(b'tab: "Windows"', self.get("/modules/windows.js")[1])
def test_layout_is_browser_local(self):
status, body = self.get("/app.js")
self.assertEqual(status, 200)
text = body.decode()
for part in ("GridStack", "localStorage", "deckit.layout", "gs-id"):
self.assertIn(part, text)
if __name__ == "__main__":
unittest.main()
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