| 1 | #!/usr/bin/env python3 |
| 2 | # |
| 3 | # The MIT License (MIT) |
| 4 | # |
| 5 | # Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 6 | # |
| 7 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | # of this software and associated documentation files (the "Software"), to deal |
| 9 | # in the Software without restriction, including without limitation the rights |
| 10 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | # copies of the Software, and to permit persons to whom the Software is |
| 12 | # furnished to do so, subject to the following conditions: |
| 13 | # |
| 14 | # The above copyright notice and this permission notice shall be included in |
| 15 | # all copies or substantial portions of the Software. |
| 16 | # |
| 17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 20 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 23 | # SOFTWARE. |
| 24 | |
| 25 | import tempfile |
| 26 | import babeltrace.writer as btw |
| 27 | import babeltrace.reader as btr |
| 28 | import shutil |
| 29 | import uuid |
| 30 | import unittest |
| 31 | |
| 32 | class CtfWriterEmptyPacketTestCase(unittest.TestCase): |
| 33 | def setUp(self): |
| 34 | self._expected_event_count = 100 |
| 35 | self._trace_path = tempfile.mkdtemp() |
| 36 | |
| 37 | def tearDown(self): |
| 38 | shutil.rmtree(self._trace_path) |
| 39 | |
| 40 | def _create_trace(self): |
| 41 | trace = btw.Writer(self._trace_path) |
| 42 | clock = btw.Clock('test_clock') |
| 43 | trace.add_clock(clock) |
| 44 | |
| 45 | integer_field_type = btw.IntegerFieldDeclaration(32) |
| 46 | |
| 47 | event_class = btw.EventClass('simple_event') |
| 48 | event_class.add_field(integer_field_type, 'int_field') |
| 49 | |
| 50 | stream_class = btw.StreamClass('empty_packet_stream') |
| 51 | stream_class.add_event_class(event_class) |
| 52 | stream_class.clock = clock |
| 53 | |
| 54 | stream = trace.create_stream(stream_class) |
| 55 | |
| 56 | for i in range(self._expected_event_count): |
| 57 | event = btw.Event(event_class) |
| 58 | event.payload('int_field').value = i |
| 59 | stream.append_event(event) |
| 60 | stream.flush() |
| 61 | packet_context = stream.packet_context |
| 62 | packet_context.field('timestamp_begin').value = 1 |
| 63 | packet_context.field('timestamp_end').value = 123456 |
| 64 | |
| 65 | stream.flush() |
| 66 | |
| 67 | def test_trace_empty_packet(self): |
| 68 | self._create_trace() |
| 69 | |
| 70 | traces = btr.TraceCollection() |
| 71 | trace_handle = traces.add_trace(self._trace_path, 'ctf') |
| 72 | self.assertIsNotNone(trace_handle) |
| 73 | |
| 74 | event_count = sum(1 for event in traces.events) |
| 75 | self.assertEqual(self._expected_event_count, event_count) |