bt2: Adapt test_trace.py and make it pass
[babeltrace.git] / tests / bindings / python / bt2 / test_trace.py
index d4c7de90e246e564afdeaba0c6ed5769b8fce164..6902924481f3c796b9afcaba226a29ace6e6a628 100644 (file)
-from bt2 import value
 import unittest
-import copy
-import uuid
-import bt2
+from utils import get_default_trace_class
 
 
-@unittest.skip("this is broken")
 class TraceTestCase(unittest.TestCase):
     def setUp(self):
-        self._sc = self._create_stream_class('sc1', 3)
-        self._tc = bt2.Trace()
-
-    def tearDown(self):
-        del self._sc
-        del self._tc
-
-    def _create_stream_class(self, name, id):
-        ec1, ec2 = self._create_event_classes()
-        packet_context_fc = bt2.StructureFieldClass()
-        packet_context_fc.append_field('menu', bt2.FloatingPointNumberFieldClass())
-        packet_context_fc.append_field('sticker', bt2.StringFieldClass())
-        event_header_fc = bt2.StructureFieldClass()
-        event_header_fc.append_field('id', bt2.IntegerFieldClass(19))
-        event_context_fc = bt2.StructureFieldClass()
-        event_context_fc.append_field('msg', bt2.StringFieldClass())
-        return bt2.StreamClass(name=name, id=id,
-                               packet_context_field_class=packet_context_fc,
-                               event_header_field_class=event_header_fc,
-                               event_context_field_class=event_context_fc,
-                               event_classes=(ec1, ec2))
-
-    def _create_event_classes(self):
-        context_fc = bt2.StructureFieldClass()
-        context_fc.append_field('allo', bt2.StringFieldClass())
-        context_fc.append_field('zola', bt2.IntegerFieldClass(18))
-        payload_fc = bt2.StructureFieldClass()
-        payload_fc.append_field('zoom', bt2.StringFieldClass())
-        ec1 = bt2.EventClass('event23', id=23, context_field_class=context_fc,
-                             payload_field_class=payload_fc)
-        ec2 = bt2.EventClass('event17', id=17, context_field_class=payload_fc,
-                             payload_field_class=context_fc)
-        return ec1, ec2
+        self._tc = get_default_trace_class()
 
     def test_create_default(self):
-        self.assertEqual(len(self._tc), 0)
-
-    def _get_std_header(self):
-        header_fc = bt2.StructureFieldClass()
-        header_fc.append_field('magic', bt2.IntegerFieldClass(32))
-        header_fc.append_field('stream_id', bt2.IntegerFieldClass(32))
-        return header_fc
+        trace = self._tc()
+        self.assertEqual(trace.name, None)
 
     def test_create_full(self):
-        clock_classes = bt2.ClockClass('cc1', 1000), bt2.ClockClass('cc2', 30)
-        sc = self._create_stream_class('sc1', 3)
-        tc = bt2.Trace(name='my name',
-                       native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                       env={'the_string': 'value', 'the_int': 23},
-                       packet_header_field_class=self._get_std_header(),
-                       clock_classes=clock_classes,
-                       stream_classes=(sc,))
-        self.assertEqual(tc.name, 'my name')
-        self.assertEqual(tc.native_byte_order, bt2.ByteOrder.LITTLE_ENDIAN)
-        self.assertEqual(tc.env['the_string'], 'value')
-        self.assertEqual(tc.env['the_int'], 23)
-        self.assertEqual(tc.packet_header_field_class, self._get_std_header())
-        self.assertEqual(tc.clock_classes['cc1'], clock_classes[0])
-        self.assertEqual(tc.clock_classes['cc2'], clock_classes[1])
-        self.assertEqual(tc[3], sc)
-
-    def test_assign_name(self):
-        self._tc.name = 'lel'
-        self.assertEqual(self._tc.name, 'lel')
-
-    def test_assign_invalid_name(self):
-        with self.assertRaises(TypeError):
-            self._tc.name = 17
-
-    def test_assign_static(self):
-        self._tc.set_is_static()
-        self.assertTrue(self._tc.is_static)
-
-    def test_assign_native_byte_order(self):
-        self._tc.native_byte_order = bt2.ByteOrder.BIG_ENDIAN
-        self.assertEqual(self._tc.native_byte_order, bt2.ByteOrder.BIG_ENDIAN)
+        trace = self._tc(name='my name')
+        self.assertEqual(trace.name, 'my name')
 
-    def test_assign_invalid_native_byte_order(self):
+    def test_create_invalid_name(self):
         with self.assertRaises(TypeError):
-            self._tc.native_byte_order = 'lel'
-
-    def test_assign_packet_header_field_class(self):
-        header_fc = bt2.StructureFieldClass()
-        header_fc.append_field('magic', bt2.IntegerFieldClass(32))
-        self._tc.packet_header_field_class = header_fc
-        self.assertEqual(self._tc.packet_header_field_class, header_fc)
-
-    def test_assign_no_packet_header_field_class(self):
-        self._tc.packet_header_field_class = None
-        self.assertIsNone(self._tc.packet_header_field_class)
-
-    def _test_copy(self, cpy):
-        self.assertIsNot(cpy, self._tc)
-        self.assertNotEqual(cpy.addr, self._tc.addr)
-        self.assertEqual(cpy, self._tc)
-        self.assertEqual(len(self._tc), len(cpy))
+            self._tc(name=17)
 
-    def _pre_copy(self):
-        self._tc.packet_header_field_class = self._get_std_header()
-        self._tc.name = 'the trace class'
-        sc1 = self._create_stream_class('sc1', 3)
-        sc2 = self._create_stream_class('sc2', 9)
-        sc3 = self._create_stream_class('sc3', 17)
-        self._tc.add_clock_class(bt2.ClockClass('cc1', 1000))
-        self._tc.add_clock_class(bt2.ClockClass('cc2', 30))
-        self._tc.env['allo'] = 'bateau'
-        self._tc.env['bateau'] = 'cart'
-        self._tc.add_stream_class(sc1)
-        self._tc.add_stream_class(sc2)
-        self._tc.add_stream_class(sc3)
-
-    def test_copy(self):
-        self._pre_copy()
-        cpy = copy.copy(self._tc)
-        self._test_copy(cpy)
-        self.assertEqual(self._tc.packet_header_field_class.addr, cpy.packet_header_field_class.addr)
-        self.assertEqual(self._tc.clock_classes['cc1'].addr, cpy.clock_classes['cc1'].addr)
-        self.assertEqual(self._tc.clock_classes['cc2'].addr, cpy.clock_classes['cc2'].addr)
-        self.assertEqual(self._tc.env['allo'].addr, cpy.env['allo'].addr)
-        self.assertEqual(self._tc.env['bateau'].addr, cpy.env['bateau'].addr)
-
-    def test_deepcopy(self):
-        self._pre_copy()
-        cpy = copy.deepcopy(self._tc)
-        self._test_copy(cpy)
-        self.assertNotEqual(self._tc.packet_header_field_class.addr, cpy.packet_header_field_class.addr)
-        self.assertNotEqual(self._tc.clock_classes['cc1'].addr, cpy.clock_classes['cc1'].addr)
-        self.assertNotEqual(self._tc.clock_classes['cc2'].addr, cpy.clock_classes['cc2'].addr)
-        self.assertNotEqual(self._tc.env['allo'].addr, cpy.env['allo'].addr)
-        self.assertNotEqual(self._tc.env['bateau'].addr, cpy.env['bateau'].addr)
+    def test_len(self):
+        trace = self._tc()
+        sc = self._tc.create_stream_class()
+        self.assertEqual(len(trace), 0)
 
-    def test_getitem(self):
-        self._tc.add_stream_class(self._sc)
-        self.assertEqual(self._tc[3].addr, self._sc.addr)
+        trace.create_stream(sc)
+        self.assertEqual(len(trace), 1)
 
-    def test_getitem_wrong_key_type(self):
-        self._tc.add_stream_class(self._sc)
-        with self.assertRaises(TypeError):
-            self._tc['hello']
+    def _create_trace_with_some_streams(self):
+        sc = self._tc.create_stream_class(assigns_automatic_stream_id=False)
+        trace = self._tc()
+        trace.create_stream(sc, id=12)
+        trace.create_stream(sc, id=15)
+        trace.create_stream(sc, id=17)
 
-    def test_getitem_wrong_key(self):
-        self._tc.add_stream_class(self._sc)
-        with self.assertRaises(KeyError):
-            self._tc[4]
-
-    def test_len(self):
-        self.assertEqual(len(self._tc), 0)
-        self._tc.add_stream_class(self._sc)
-        self.assertEqual(len(self._tc), 1)
+        return trace
 
     def test_iter(self):
-        self._tc.packet_header_field_class = self._get_std_header()
-        sc1 = self._create_stream_class('sc1', 3)
-        sc2 = self._create_stream_class('sc2', 9)
-        sc3 = self._create_stream_class('sc3', 17)
-        self._tc.add_stream_class(sc1)
-        self._tc.add_stream_class(sc2)
-        self._tc.add_stream_class(sc3)
-
-        for sid, stream_class in self._tc.items():
-            self.assertIsInstance(stream_class, bt2.StreamClass)
+        trace = self._create_trace_with_some_streams()
+        stream_ids = set(trace)
+        self.assertEqual(stream_ids, {12, 15, 17})
 
-            if sid == 3:
-                self.assertEqual(stream_class.addr, sc1.addr)
-            elif sid == 9:
-                self.assertEqual(stream_class.addr, sc2.addr)
-            elif sid == 17:
-                self.assertEqual(stream_class.addr, sc3.addr)
+    def test_getitem(self):
+        trace = self._create_trace_with_some_streams()
 
-    def test_env_getitem_wrong_key(self):
-        with self.assertRaises(KeyError):
-            self._tc.env['lel']
+        self.assertEqual(trace[12].id, 12)
 
-    def test_clock_classes_getitem_wrong_key(self):
+    def test_getitem_invalid_key(self):
+        trace = self._create_trace_with_some_streams()
         with self.assertRaises(KeyError):
-            self._tc.clock_classes['lel']
+            trace[18]
 
-    def test_streams_none(self):
-        self.assertEqual(len(self._tc.streams), 0)
+    def test_destruction_listener(self):
+        def on_trace_class_destruction(trace_class):
+            nonlocal trace_class_destroyed
+            trace_class_destroyed = True
 
-    def test_streams_len(self):
-        self._tc.add_stream_class(self._create_stream_class('sc1', 3))
-        stream0 = self._tc[3]()
-        stream1 = self._tc[3]()
-        stream2 = self._tc[3]()
-        self.assertEqual(len(self._tc.streams), 3)
+        def on_trace_destruction(trace):
+            nonlocal trace_destroyed
+            trace_destroyed = True
 
-    def test_streams_iter(self):
-        self._tc.add_stream_class(self._create_stream_class('sc1', 3))
-        stream0 = self._tc[3](id=12)
-        stream1 = self._tc[3](id=15)
-        stream2 = self._tc[3](id=17)
-        sids = set()
+        trace_destroyed = False
+        trace_class_destroyed = False
 
-        for stream in self._tc.streams:
-            sids.add(stream.id)
+        trace_class = get_default_trace_class()
+        stream_class = trace_class.create_stream_class()
+        trace = trace_class()
+        stream = trace.create_stream(stream_class)
 
-        self.assertEqual(len(sids), 3)
-        self.assertTrue(12 in sids and 15 in sids and 17 in sids)
+        trace_class.add_destruction_listener(on_trace_class_destruction)
+        trace.add_destruction_listener(on_trace_destruction)
 
-    def _test_eq_create_objects(self):
-        cc1_uuid = uuid.UUID('bc7f2f2d-2ee4-4e03-ab1f-2e0e1304e94f')
-        cc1 = bt2.ClockClass('cc1', 1000, uuid=cc1_uuid)
-        cc2_uuid = uuid.UUID('da7d6b6f-3108-4706-89bd-ab554732611b')
-        cc2 = bt2.ClockClass('cc2', 30, uuid=cc2_uuid)
-        sc1 = self._create_stream_class('sc1', 3)
-        sc2 = self._create_stream_class('sc2', 9)
-        return cc1, cc2, sc1, sc2, self._get_std_header()
+        self.assertFalse(trace_class_destroyed)
+        self.assertFalse(trace_destroyed)
 
-    def test_eq(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertEqual(tc1, tc2)
+        del trace
 
-    def test_ne_name(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name2',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        self.assertFalse(trace_class_destroyed)
+        self.assertFalse(trace_destroyed)
 
-    def test_ne_packet_header_field_class(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        header_fc.append_field('yes', bt2.StringFieldClass())
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        del stream
 
-    def test_ne_native_byte_order(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.BIG_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        self.assertFalse(trace_class_destroyed)
+        self.assertTrue(trace_destroyed)
 
-    def test_ne_env(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int2': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        del trace_class
 
-    def test_ne_clock_classes(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        cc2.frequency = 1234
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        self.assertFalse(trace_class_destroyed)
+        self.assertTrue(trace_destroyed)
 
-    def test_ne_stream_classes(self):
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        tc1 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        cc1, cc2, sc1, sc2, header_fc = self._test_eq_create_objects()
-        sc2.id = 72632
-        tc2 = bt2.Trace(name='my name',
-                        native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
-                        env={'the_string': 'value', 'the_int': 23},
-                        packet_header_field_class=header_fc,
-                        clock_classes=(cc1, cc2),
-                        stream_classes=(sc1, sc2))
-        self.assertNotEqual(tc1, tc2)
+        del stream_class
 
-    def test_eq_invalid(self):
-        self.assertFalse(self._tc == 23)
+        self.assertTrue(trace_class_destroyed)
+        self.assertTrue(trace_destroyed)
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