#
import unittest
-from utils import run_in_component_init, get_default_trace_class
+from utils import (
+ run_in_component_init,
+ get_default_trace_class,
+ get_const_stream_beginning_message,
+)
+from bt2 import stream_class as bt2_stream_class
+from bt2 import trace_class as bt2_trace_class
+from bt2 import utils as bt2_utils
class TraceClassTestCase(unittest.TestCase):
tc = run_in_component_init(f)
self.assertEqual(len(tc), 0)
+ self.assertIs(type(tc), bt2_trace_class._TraceClass)
self.assertTrue(tc.assigns_automatic_stream_class_id)
self.assertEqual(len(tc.user_attributes), 0)
self.assertRaisesInComponentInit(TypeError, f)
+ def test_create_invalid_automatic_stream_class_id_type(self):
+ def f(comp_self):
+ return comp_self._create_trace_class(
+ assigns_automatic_stream_class_id='perchaude'
+ )
+
+ self.assertRaisesInComponentInit(TypeError, f)
+
def test_automatic_stream_class_id(self):
def f(comp_self):
return comp_self._create_trace_class(assigns_automatic_stream_class_id=True)
sc1 = tc.create_stream_class()
sc2 = tc.create_stream_class()
+ self.assertIs(type(sc1), bt2_stream_class._StreamClass)
+ self.assertIs(type(sc2), bt2_stream_class._StreamClass)
self.assertNotEqual(sc1.id, sc2.id)
def test_automatic_stream_class_id_raises(self):
self.assertTrue(tc.assigns_automatic_stream_class_id)
with self.assertRaises(ValueError):
- sc1 = tc.create_stream_class(23)
+ tc.create_stream_class(23)
def test_no_assigns_automatic_stream_class_id(self):
def f(comp_self):
def test_getitem(self):
tc, _, _, sc3 = self._create_trace_class_with_some_stream_classes()
+ self.assertIs(type(tc[2018]), bt2_stream_class._StreamClass)
self.assertEqual(tc[2018].addr, sc3.addr)
+ def test_const_getitem(self):
+ const_tc = get_const_stream_beginning_message().stream.trace.cls
+ self.assertIs(type(const_tc[0]), bt2_stream_class._StreamClassConst)
+
def test_getitem_wrong_key_type(self):
tc, _, _, _ = self._create_trace_class_with_some_stream_classes()
with self.assertRaises(TypeError):
for sc_id, stream_class in tc.items():
if sc_id == 12:
+ self.assertIs(type(stream_class), bt2_stream_class._StreamClass)
self.assertEqual(stream_class.addr, sc1.addr)
elif sc_id == 54:
self.assertEqual(stream_class.addr, sc2.addr)
elif sc_id == 2018:
self.assertEqual(stream_class.addr, sc3.addr)
+ def test_const_iter(self):
+ const_tc = get_const_stream_beginning_message().stream.trace.cls
+ const_sc = list(const_tc.values())[0]
+ self.assertIs(type(const_sc), bt2_stream_class._StreamClassConst)
+
def test_destruction_listener(self):
def on_trace_class_destruction(trace_class):
- nonlocal trace_class_destroyed
- trace_class_destroyed = True
+ nonlocal num_destruct_calls
+ num_destruct_calls += 1
- trace_class_destroyed = False
+ num_destruct_calls = 0
trace_class = get_default_trace_class()
- trace_class.add_destruction_listener(on_trace_class_destruction)
- self.assertFalse(trace_class_destroyed)
+ handle1 = trace_class.add_destruction_listener(on_trace_class_destruction)
+ self.assertIs(type(handle1), bt2_utils._ListenerHandle)
+
+ handle2 = trace_class.add_destruction_listener(on_trace_class_destruction)
+
+ trace_class.remove_destruction_listener(handle2)
+
+ del handle1
+ del handle2
+
+ self.assertEqual(num_destruct_calls, 0)
+
+ del trace_class
+
+ self.assertEqual(num_destruct_calls, 1)
+
+ def test_remove_destruction_listener_wrong_type(self):
+ trace_class = get_default_trace_class()
+
+ with self.assertRaisesRegex(
+ TypeError, r"'int' is not a '<class 'bt2.utils._ListenerHandle'>' object"
+ ):
+ trace_class.remove_destruction_listener(123)
+
+ def test_remove_destruction_listener_wrong_object(self):
+ def on_trace_class_destruction(trace_class):
+ pass
+
+ trace_class_1 = get_default_trace_class()
+ trace_class_2 = get_default_trace_class()
+
+ handle1 = trace_class_1.add_destruction_listener(on_trace_class_destruction)
+
+ with self.assertRaisesRegex(
+ ValueError,
+ r'This trace class destruction listener does not match the trace object\.',
+ ):
+ trace_class_2.remove_destruction_listener(handle1)
+
+ def test_remove_destruction_listener_twice(self):
+ def on_trace_class_destruction(trace_class):
+ pass
+
+ trace_class = get_default_trace_class()
+ handle = trace_class.add_destruction_listener(on_trace_class_destruction)
+
+ trace_class.remove_destruction_listener(handle)
+
+ with self.assertRaisesRegex(
+ ValueError, r'This trace class destruction listener was already removed\.'
+ ):
+ trace_class.remove_destruction_listener(handle)
+
+ def test_raise_in_destruction_listener(self):
+ def on_trace_class_destruction(trace_class):
+ raise ValueError('it hurts')
+
+ trace_class = get_default_trace_class()
+ trace_class.add_destruction_listener(on_trace_class_destruction)
del trace_class
- self.assertTrue(trace_class_destroyed)
+
+if __name__ == '__main__':
+ unittest.main()