+# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2019 EfficiOS Inc.
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; only version 2
-# of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
import unittest
import bt2
next(self._msg_iter)
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _create_graph(src_comp_cls, sink_comp_cls, flt_comp_cls=None):
def __init__(self, config, self_port_output):
nonlocal flt_iter_initialized
flt_iter_initialized = True
- self._up_iter = self._create_input_port_message_iterator(
+ self._up_iter = self._create_message_iterator(
self._component._input_ports['in']
)
def test_create_user_error(self):
# This tests both error handling by
- # _UserSinkComponent._create_input_port_message_iterator
- # and _UserMessageIterator._create_input_port_message_iterator, as they
+ # _UserSinkComponent._create_message_iterator
+ # and _UserMessageIterator._create_message_iterator, as they
# are both used in the graph.
class MySourceIter(bt2._UserMessageIterator):
def __init__(self, config, self_port_output):
def __init__(self, config, self_port_output):
# This is expected to raise because of the error in
# MySourceIter.__init__.
- self._create_input_port_message_iterator(
- self._component._input_ports['in']
- )
+ self._create_message_iterator(self._component._input_ports['in'])
class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter):
def __init__(self, config, params, obj):
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal can_seek_forward
class MyFilterIter(bt2._UserMessageIterator):
def __init__(self, port):
input_port = port.user_data
- self._upstream_iter = self._create_input_port_message_iterator(
- input_port
- )
+ self._upstream_iter = self._create_message_iterator(input_port)
def __next__(self):
return next(self._upstream_iter)
with self.assertRaises(bt2.TryAgain):
next(it)
+ def test_error_in_iterator_with_cycle_after_having_created_upstream_iterator(self):
+ # Test a failure that triggered an abort in libbabeltrace2, in this situation:
+ #
+ # - The filter iterator creates an upstream iterator.
+ # - The filter iterator creates a reference cycle, including itself.
+ # - An exception is raised, causing the filter iterator's
+ # initialization method to fail.
+ class MySourceIter(bt2._UserMessageIterator):
+ pass
+
+ class MySource(bt2._UserSourceComponent, message_iterator_class=MySourceIter):
+ def __init__(self, config, params, obj):
+ self._add_output_port('out')
+
+ class MyFilterIter(bt2._UserMessageIterator):
+ def __init__(self, config, port):
+ # First, create an upstream iterator.
+ self._upstream_iter = self._create_message_iterator(
+ self._component._input_ports['in']
+ )
+
+ # Then, voluntarily make a reference cycle that will keep this
+ # Python object alive, which will keep the upstream iterator
+ # Babeltrace object alive.
+ self._self = self
+
+ # Finally, raise an exception to make __init__ fail.
+ raise ValueError('woops')
+
+ class MyFilter(bt2._UserFilterComponent, message_iterator_class=MyFilterIter):
+ def __init__(self, config, params, obj):
+ self._in = self._add_input_port('in')
+ self._out = self._add_output_port('out')
+
+ class MySink(bt2._UserSinkComponent):
+ def __init__(self, config, params, obj):
+ self._input_port = self._add_input_port('in')
+
+ def _user_graph_is_configured(self):
+ self._upstream_iter = self._create_message_iterator(self._input_port)
+
+ def _user_consume(self):
+ # We should not reach this.
+ assert False
+
+ g = bt2.Graph()
+ src = g.add_component(MySource, 'src')
+ flt = g.add_component(MyFilter, 'flt')
+ snk = g.add_component(MySink, 'snk')
+ g.connect_ports(src.output_ports['out'], flt.input_ports['in'])
+ g.connect_ports(flt.output_ports['out'], snk.input_ports['in'])
+
+ with self.assertRaisesRegex(bt2._Error, 'ValueError: woops'):
+ g.run()
+
def _setup_seek_test(
sink_cls,
class MyFilterIter(bt2._UserMessageIterator):
def __init__(self, config, port):
- self._upstream_iter = self._create_input_port_message_iterator(
+ self._upstream_iter = self._create_message_iterator(
self._component._input_ports['in']
)
config.can_seek_forward = self._upstream_iter.can_seek_forward
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal can_seek_beginning
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal can_seek_beginning
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal can_seek_beginning
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
# This is expected to raise.
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
# This is expected to raise.
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal do_seek_beginning
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
self._msg_iter.seek_beginning()
)
def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_can_seek_ns_from_origin_returns_false_can_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_can_seek_ns_from_origin_returns_false_cant_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_can_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_forward_seekable(
- self
+ self,
):
# Test the case where:
#
)
def test_no_can_seek_ns_from_origin_no_seek_ns_from_origin_cant_seek_beginning_not_forward_seekable(
- self
+ self,
):
# Test the case where:
#
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
nonlocal can_seek_ns_from_origin
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
# This is expected to raise.
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
# This is expected to raise.
self._add_input_port('in')
def _user_graph_is_configured(self):
- self._msg_iter = self._create_input_port_message_iterator(
- self._input_ports['in']
- )
+ self._msg_iter = self._create_message_iterator(self._input_ports['in'])
def _user_consume(self):
self._msg_iter.seek_ns_from_origin(17)
projects / babeltrace.git / blobdiff