93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
"""Tests for CaptureManager session lifecycle (empty-session discard)."""
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import os
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import tempfile
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import unittest
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from simtrace2_pysniff.server.capture import CaptureManager
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from simtrace2_pysniff.server.database import Database
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class _FakeBackend:
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def __init__(self, messages=()):
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self._messages = list(messages)
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def start(self):
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pass
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def stop(self):
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pass
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def iter_messages(self):
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yield from self._messages
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class _DisconnectingSession:
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def iter_messages(self):
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from simtrace2_pysniff.device import DeviceDisconnected
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raise DeviceDisconnected('disconnected')
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yield
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class TestCaptureManager(unittest.TestCase):
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def _manager(self, backend):
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tmp = tempfile.NamedTemporaryFile(suffix='.db', delete=False)
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tmp.close()
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db = Database(tmp.name)
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self.addCleanup(lambda: (db._conn.close(), os.remove(tmp.name)))
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return CaptureManager(backend, db), db
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def test_empty_capture_discarded(self):
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mgr, db = self._manager(_FakeBackend())
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sid = mgr.start_session()
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self.assertIsNotNone(sid)
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self.assertIsNone(mgr.stop_session())
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self.assertIsNone(db.get_session(sid))
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def test_non_empty_capture_kept(self):
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mgr, db = self._manager(_FakeBackend([('tpdu', b'\x80\xf2\x00\x00\x00', 0)]))
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sid = mgr.start_session()
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self.assertEqual(mgr.stop_session(), sid)
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self.assertIsNotNone(db.get_session(sid))
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self.assertEqual(db.count_messages(sid), 1)
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def test_direct_sniffer_device_disconnect(self):
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from simtrace2_pysniff.server.capture import DirectSniffer
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sn = DirectSniffer()
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sn._session = _DisconnectingSession()
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self.assertEqual(list(sn.iter_messages()), [])
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def test_capture_gap_message_inserted(self):
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# A 'gap' marker yielded by the backend is stored as a message.
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mgr, db = self._manager(_FakeBackend([
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('gap', b'', 0),
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('tpdu', b'\x80\xf2\x00\x00\x00', 0),
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]))
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sid = mgr.start_session()
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self.assertEqual(mgr.stop_session(), sid)
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msgs = db.get_messages(sid)
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self.assertEqual([m['type'] for m in msgs], ['gap', 'tpdu'])
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def test_direct_sniffer_connected(self):
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from simtrace2_pysniff.server.capture import DirectSniffer
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class _FakeSession:
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connected = True
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sn = DirectSniffer()
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sn._session = _FakeSession()
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self.assertTrue(sn.connected)
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_FakeSession.connected = False
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self.assertFalse(sn.connected)
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def test_device_connected_gsmtap_none(self):
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from simtrace2_pysniff.server.capture import GsmtapListener
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listener = GsmtapListener(bind_port=0)
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self.addCleanup(listener.stop)
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mgr, _ = self._manager(listener)
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self.assertIsNone(mgr.device_connected)
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if __name__ == '__main__':
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unittest.main()
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