mirror of
https://github.com/Droid-Deck/DroidDeck.git
synced 2026-11-11 11:01:07 +00:00
200 lines
8.6 KiB
Python
200 lines
8.6 KiB
Python
import importlib.machinery
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import importlib.util
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import os
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from pathlib import Path
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import socket
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import sys
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import tempfile
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import types
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import unittest
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from unittest import mock
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SCRIPT = Path(__file__).resolve().parents[1] / "linuxfs/overlay/usr/local/bin/droiddeck-flatpak"
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def load():
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repository = types.ModuleType("gi.repository")
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repository.Flatpak = types.SimpleNamespace()
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repository.Gio = types.SimpleNamespace()
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repository.GLib = types.SimpleNamespace(Error=RuntimeError)
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gi = types.ModuleType("gi")
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gi.require_version = lambda *args: None
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gi.repository = repository
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saved = {name: sys.modules.get(name) for name in ("gi", "gi.repository")}
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sys.modules["gi"] = gi
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sys.modules["gi.repository"] = repository
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try:
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loader = importlib.machinery.SourceFileLoader("droiddeck_flatpak_bus", str(SCRIPT))
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module = importlib.util.module_from_spec(importlib.util.spec_from_loader(loader.name, loader))
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loader.exec_module(module)
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finally:
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for name, value in saved.items():
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if value is None:
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sys.modules.pop(name, None)
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else:
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sys.modules[name] = value
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return module
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class FakeDaemon:
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started = []
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def __init__(self, argv, **kwargs):
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conf = next(a for a in argv if a.startswith("--config-file=")).split("=", 1)[1]
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text = open(conf).read()
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self.path = text.split("<listen>unix:path=", 1)[1].split("</listen>", 1)[0]
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self.server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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self.server.bind(self.path)
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self.server.listen(4)
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self.running = True
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FakeDaemon.started.append(self)
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def poll(self):
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return None if self.running else 0
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def terminate(self):
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self.running = False
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self.server.close()
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def wait(self, timeout=None):
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return 0
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def kill(self):
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self.terminate()
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class FlatpakSystemBusTest(unittest.TestCase):
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def setUp(self):
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self.module = load()
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self.tmp = tempfile.mkdtemp()
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self.env = mock.patch.dict(os.environ, {"DBUS_SYSTEM_BUS_ADDRESS": "unix:path=" + os.path.join(self.tmp, "missing")})
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self.env.start()
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FakeDaemon.started = []
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def tearDown(self):
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self.env.stop()
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os.rmdir(self.tmp)
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def test_a_reachable_system_bus_is_used_as_it_is(self):
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path = os.path.join(self.tmp, "system")
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server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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server.bind(path)
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server.listen(1)
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try:
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:path=" + path
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with mock.patch.object(self.module.subprocess, "Popen", FakeDaemon):
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self.assertIsNone(self.module.private_system_bus())
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self.assertEqual([], FakeDaemon.started)
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finally:
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server.close()
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os.unlink(path)
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def test_without_a_system_bus_a_private_one_runs_for_the_command_and_is_removed_after(self):
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with mock.patch.object(self.module.shutil, "which", return_value="/usr/bin/dbus-daemon"), \
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mock.patch.object(self.module.subprocess, "Popen", FakeDaemon):
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bus = self.module.private_system_bus()
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self.assertIsNotNone(bus)
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_, work, conf, path = bus
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self.assertEqual("unix:path=" + path, os.environ["DBUS_SYSTEM_BUS_ADDRESS"])
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self.assertTrue(self.module.bus_reachable(path))
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self.module.stop_system_bus(bus)
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self.assertFalse(os.path.exists(work))
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def test_any_reachable_address_in_a_list_counts_as_the_system_bus(self):
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path = os.path.join(self.tmp, "system")
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server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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server.bind(path)
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server.listen(1)
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try:
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:path=%s;unix:guid=1,path=%s" % (os.path.join(self.tmp, "missing"), path)
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with mock.patch.object(self.module.subprocess, "Popen", FakeDaemon):
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self.assertIsNone(self.module.private_system_bus())
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self.assertEqual([], FakeDaemon.started)
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finally:
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server.close()
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os.unlink(path)
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def test_escaped_and_abstract_addresses_are_probed_as_dbus_reads_them(self):
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path = os.path.join(self.tmp, "sys-bus")
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server = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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server.bind(path)
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server.listen(1)
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abstract = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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abstract.bind(b"\0droiddeck-flatpak-test-%d\xff" % os.getpid())
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abstract.listen(1)
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try:
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:path=" + path.replace("-", "%2D")
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self.assertTrue(self.module.system_bus_reachable())
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:path=%s;unix:abstract=droiddeck-flatpak-test-%d%%FF" % (os.path.join(self.tmp, "missing"), os.getpid())
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self.assertTrue(self.module.system_bus_reachable())
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:abstract=droiddeck-flatpak-missing-%d" % os.getpid()
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self.assertFalse(self.module.system_bus_reachable())
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listener = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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listener.bind(("127.0.0.1", 0))
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listener.listen(8)
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port = listener.getsockname()[1]
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "unix:abstract=droiddeck-flatpak-missing-%d;tcp:host=127.0.0.1,port=%d" % (os.getpid(), port)
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self.assertTrue(self.module.system_bus_reachable())
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "tcp:host=127.0.0.1,port=" + "".join("%%%02X" % ord(c) for c in str(port))
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self.assertTrue(self.module.system_bus_reachable())
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "tcp:host=127.0.0.1,port=000%d" % port
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self.assertTrue(self.module.system_bus_reachable())
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listener.close()
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self.assertFalse(self.module.system_bus_reachable())
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for bad in ("%C2%B2", "65536", "0", "000", "x", "9" * 5000):
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "tcp:host=127.0.0.1,port=" + bad
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self.assertEqual([], self.module.system_bus_paths())
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self.assertFalse(self.module.system_bus_reachable())
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os.environ["DBUS_SYSTEM_BUS_ADDRESS"] = "launchd:env=DBUS_LAUNCHD_SESSION_BUS_SOCKET"
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self.assertTrue(self.module.system_bus_reachable())
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finally:
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abstract.close()
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server.close()
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os.unlink(path)
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def test_a_daemon_that_cannot_launch_leaves_no_files_and_warns(self):
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made = []
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real = tempfile.mkdtemp
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def mkdtemp(**kwargs):
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made.append(real(**kwargs))
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return made[-1]
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with mock.patch.object(self.module.shutil, "which", return_value="/usr/bin/dbus-daemon"), \
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mock.patch.object(self.module.tempfile, "mkdtemp", mkdtemp), \
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mock.patch.object(self.module.subprocess, "Popen", side_effect=OSError("exec failed")), \
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mock.patch.object(self.module, "emit") as emit:
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self.assertIsNone(self.module.private_system_bus())
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emit.assert_called_once()
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self.assertFalse(os.path.exists(made[0]))
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def test_without_dbus_daemon_the_command_still_runs_and_warns(self):
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with mock.patch.object(self.module.shutil, "which", return_value=None), \
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mock.patch.object(self.module, "emit") as emit:
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self.assertIsNone(self.module.private_system_bus())
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emit.assert_called_once()
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def test_every_command_that_changes_apps_gets_a_system_bus(self):
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calls = []
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self.module.private_system_bus = lambda: calls.append("start") or "bus"
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self.module.stop_system_bus = lambda bus: calls.append("stop:%s" % bus)
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self.module.prepare_rootfs = lambda: None
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self.module.install = lambda app_id: calls.append("install") or 0
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self.module.updates = lambda: calls.append("updates") or 0
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with mock.patch.object(sys, "argv", ["droiddeck-flatpak", "install", "org.example.App"]), \
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mock.patch.object(self.module.signal, "signal") as handler:
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self.assertEqual(0, self.module.main())
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self.assertEqual(["start", "install", "stop:bus"], calls)
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self.assertEqual(self.module.signal.SIGTERM, handler.call_args[0][0])
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with self.assertRaises(SystemExit):
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handler.call_args[0][1](self.module.signal.SIGTERM, None)
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calls.clear()
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with mock.patch.object(sys, "argv", ["droiddeck-flatpak", "updates"]):
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self.assertEqual(0, self.module.main())
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self.assertNotIn("start", calls)
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self.assertIn("updates", calls)
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if __name__ == "__main__":
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unittest.main()
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