| 1 | import unittest |
| 2 | from utils import get_default_trace_class |
| 3 | |
| 4 | |
| 5 | class TraceTestCase(unittest.TestCase): |
| 6 | def setUp(self): |
| 7 | self._tc = get_default_trace_class() |
| 8 | |
| 9 | def test_create_default(self): |
| 10 | trace = self._tc() |
| 11 | self.assertEqual(trace.name, None) |
| 12 | |
| 13 | def test_create_full(self): |
| 14 | trace = self._tc(name='my name') |
| 15 | self.assertEqual(trace.name, 'my name') |
| 16 | |
| 17 | def test_create_invalid_name(self): |
| 18 | with self.assertRaises(TypeError): |
| 19 | self._tc(name=17) |
| 20 | |
| 21 | def test_len(self): |
| 22 | trace = self._tc() |
| 23 | sc = self._tc.create_stream_class() |
| 24 | self.assertEqual(len(trace), 0) |
| 25 | |
| 26 | trace.create_stream(sc) |
| 27 | self.assertEqual(len(trace), 1) |
| 28 | |
| 29 | def _create_trace_with_some_streams(self): |
| 30 | sc = self._tc.create_stream_class(assigns_automatic_stream_id=False) |
| 31 | trace = self._tc() |
| 32 | trace.create_stream(sc, id=12) |
| 33 | trace.create_stream(sc, id=15) |
| 34 | trace.create_stream(sc, id=17) |
| 35 | |
| 36 | return trace |
| 37 | |
| 38 | def test_iter(self): |
| 39 | trace = self._create_trace_with_some_streams() |
| 40 | stream_ids = set(trace) |
| 41 | self.assertEqual(stream_ids, {12, 15, 17}) |
| 42 | |
| 43 | def test_getitem(self): |
| 44 | trace = self._create_trace_with_some_streams() |
| 45 | |
| 46 | self.assertEqual(trace[12].id, 12) |
| 47 | |
| 48 | def test_getitem_invalid_key(self): |
| 49 | trace = self._create_trace_with_some_streams() |
| 50 | with self.assertRaises(KeyError): |
| 51 | trace[18] |
| 52 | |
| 53 | def test_destruction_listener(self): |
| 54 | def on_trace_class_destruction(trace_class): |
| 55 | nonlocal trace_class_destroyed |
| 56 | trace_class_destroyed = True |
| 57 | |
| 58 | def on_trace_destruction(trace): |
| 59 | nonlocal trace_destroyed |
| 60 | trace_destroyed = True |
| 61 | |
| 62 | trace_destroyed = False |
| 63 | trace_class_destroyed = False |
| 64 | |
| 65 | trace_class = get_default_trace_class() |
| 66 | stream_class = trace_class.create_stream_class() |
| 67 | trace = trace_class() |
| 68 | stream = trace.create_stream(stream_class) |
| 69 | |
| 70 | trace_class.add_destruction_listener(on_trace_class_destruction) |
| 71 | trace.add_destruction_listener(on_trace_destruction) |
| 72 | |
| 73 | self.assertFalse(trace_class_destroyed) |
| 74 | self.assertFalse(trace_destroyed) |
| 75 | |
| 76 | del trace |
| 77 | |
| 78 | self.assertFalse(trace_class_destroyed) |
| 79 | self.assertFalse(trace_destroyed) |
| 80 | |
| 81 | del stream |
| 82 | |
| 83 | self.assertFalse(trace_class_destroyed) |
| 84 | self.assertTrue(trace_destroyed) |
| 85 | |
| 86 | del trace_class |
| 87 | |
| 88 | self.assertFalse(trace_class_destroyed) |
| 89 | self.assertTrue(trace_destroyed) |
| 90 | |
| 91 | del stream_class |
| 92 | |
| 93 | self.assertTrue(trace_class_destroyed) |
| 94 | self.assertTrue(trace_destroyed) |