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|
# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2019 EfficiOS Inc.
#
import unittest
import bt2
class _MyIter(bt2._UserMessageIterator):
def __init__(self, config, self_output_port):
self._build_meta()
self._at = 0
def _build_meta(self):
self._tc = self._component._create_trace_class()
self._t = self._tc()
self._sc = self._tc.create_stream_class(supports_packets=True)
self._ec = self._sc.create_event_class(name="salut")
self._stream = self._t.create_stream(self._sc)
self._packet = self._stream.create_packet()
class GraphTestCase(unittest.TestCase):
def setUp(self):
self._graph = bt2.Graph()
def tearDown(self):
del self._graph
def test_create_default(self):
bt2.Graph()
def test_create_known_mip_version(self):
bt2.Graph(0)
def test_create_invalid_mip_version_type(self):
with self.assertRaises(TypeError):
bt2.Graph("")
def test_create_unknown_mip_version(self):
with self.assertRaisesRegex(ValueError, "unknown MIP version"):
bt2.Graph(2)
def test_default_interrupter(self):
interrupter = self._graph.default_interrupter
self.assertIs(type(interrupter), bt2.Interrupter)
def test_add_component_user_cls(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
comp = self._graph.add_component(MySink, "salut")
self.assertEqual(comp.name, "salut")
def test_add_component_gen_cls(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
comp = self._graph.add_component(MySink, "salut")
assert comp
comp2 = self._graph.add_component(comp.cls, "salut2")
self.assertEqual(comp2.name, "salut2")
def test_add_component_params(self):
comp_params = None
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
nonlocal comp_params
comp_params = params
def _user_consume(self):
pass
params = {"hello": 23, "path": "/path/to/stuff"}
self._graph.add_component(MySink, "salut", params)
self.assertEqual(params, comp_params)
del comp_params
def test_add_component_obj_python_comp_cls(self):
comp_obj = None
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
nonlocal comp_obj
comp_obj = obj
def _user_consume(self):
pass
obj = object()
self._graph.add_component(MySink, "salut", obj=obj)
self.assertIs(comp_obj, obj)
del comp_obj
def test_add_component_obj_none_python_comp_cls(self):
comp_obj = None
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
nonlocal comp_obj
comp_obj = obj
def _user_consume(self):
pass
self._graph.add_component(MySink, "salut")
self.assertIsNone(comp_obj)
del comp_obj
def test_add_component_obj_non_python_comp_cls(self):
plugin = bt2.find_plugin("text", find_in_user_dir=False, find_in_sys_dir=False)
assert plugin is not None
cc = plugin.source_component_classes["dmesg"]
assert cc is not None
with self.assertRaises(ValueError):
self._graph.add_component(cc, "salut", obj=57)
def test_add_component_invalid_cls_type(self):
with self.assertRaises(TypeError):
self._graph.add_component(int, "salut")
def test_add_component_invalid_logging_level_type(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
with self.assertRaises(TypeError):
self._graph.add_component(MySink, "salut", logging_level="yo")
def test_add_component_invalid_params_type(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
with self.assertRaises(TypeError):
self._graph.add_component(MySink, "salut", params=12)
def test_add_component_params_dict(self):
params_obj = None
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
nonlocal params_obj
params_obj = params
def _user_consume(self):
pass
params = {"plage": 12312}
self._graph.add_component(MySink, "salut", params=params)
# Check equality and not identity because `add_component()` method
# converts the Python `dict` to a `bt2.MapValue`.
self.assertEqual(params, params_obj)
def test_add_component_params_mapvalue(self):
params_obj = None
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
nonlocal params_obj
params_obj = params
def _user_consume(self):
pass
params = bt2.MapValue({"beachclub": "121"})
self._graph.add_component(MySink, "salut", params=params)
self.assertEqual(params, params_obj)
def test_add_component_logging_level(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
comp = self._graph.add_component(
MySink, "salut", logging_level=bt2.LoggingLevel.DEBUG
)
self.assertEqual(comp.logging_level, bt2.LoggingLevel.DEBUG)
def test_connect_ports(self):
class MySource(
bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
raise bt2.Stop
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
conn = self._graph.connect_ports(
src.output_ports["out"], sink.input_ports["in"]
)
self.assertTrue(src.output_ports["out"].is_connected)
self.assertTrue(sink.input_ports["in"].is_connected)
self.assertEqual(src.output_ports["out"].connection.addr, conn.addr)
self.assertEqual(sink.input_ports["in"].connection.addr, conn.addr)
def test_connect_ports_invalid_direction(self):
class MySource(
bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
raise bt2.Stop
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
with self.assertRaises(TypeError):
self._graph.connect_ports(sink.input_ports["in"], src.output_ports["out"])
def test_add_interrupter(self):
class MyIter(bt2._UserMessageIterator):
def __next__(self):
raise TypeError
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
next(self._msg_iter)
def _user_graph_is_configured(self):
self._msg_iter = self._create_message_iterator(self._input_ports["in"])
# add two interrupters, set one of them
interrupter1 = bt2.Interrupter()
interrupter2 = bt2.Interrupter()
self._graph.add_interrupter(interrupter1)
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
self._graph.add_interrupter(interrupter2)
with self.assertRaises(bt2._Error):
self._graph.run()
interrupter2.set()
with self.assertRaises(bt2.TryAgain):
self._graph.run()
interrupter2.reset()
with self.assertRaises(bt2._Error):
self._graph.run()
# Test that Graph.run() raises bt2.Interrupted if the graph gets
# interrupted during execution.
def test_interrupt_while_running(self):
class MyIter(_MyIter):
def __next__(self):
return self._create_stream_beginning_message(self._stream)
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
# Pretend that somebody asynchronously interrupted the graph.
graph.default_interrupter.set()
return next(self._msg_iter)
def _user_graph_is_configured(self):
self._msg_iter = self._create_message_iterator(self._input_ports["in"])
graph = self._graph
up = self._graph.add_component(MySource, "down")
down = self._graph.add_component(MySink, "up")
self._graph.connect_ports(up.output_ports["out"], down.input_ports["in"])
with self.assertRaises(bt2.TryAgain):
self._graph.run()
def test_run(self):
class MyIter(_MyIter):
def __next__(self):
if self._at == 9:
raise StopIteration
if self._at == 0:
msg = self._create_stream_beginning_message(self._stream)
elif self._at == 1:
msg = self._create_packet_beginning_message(self._packet)
elif self._at == 7:
msg = self._create_packet_end_message(self._packet)
elif self._at == 8:
msg = self._create_stream_end_message(self._stream)
else:
msg = self._create_event_message(self._ec, self._packet)
self._at += 1
return msg
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._input_port = self._add_input_port("in")
self._at = 0
def _user_consume(comp_self):
msg = next(comp_self._msg_iter)
if comp_self._at == 0:
self.assertIs(type(msg), bt2._StreamBeginningMessageConst)
elif comp_self._at == 1:
self.assertIs(type(msg), bt2._PacketBeginningMessageConst)
elif comp_self._at >= 2 and comp_self._at <= 6:
self.assertIs(type(msg), bt2._EventMessageConst)
self.assertEqual(msg.event.cls.name, "salut")
elif comp_self._at == 7:
self.assertIs(type(msg), bt2._PacketEndMessageConst)
elif comp_self._at == 8:
self.assertIs(type(msg), bt2._StreamEndMessageConst)
comp_self._at += 1
def _user_graph_is_configured(self):
self._msg_iter = self._create_message_iterator(self._input_port)
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
self._graph.run()
def test_run_once(self):
class MyIter(_MyIter):
pass
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
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_consume(comp_self):
nonlocal run_count
run_count += 1
raise bt2.TryAgain
run_count = 0
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
with self.assertRaises(bt2.TryAgain):
self._graph.run_once()
self.assertEqual(run_count, 1)
def test_run_once_stops(self):
class MyIter(_MyIter):
pass
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
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_consume(comp_self):
raise bt2.Stop
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
with self.assertRaises(bt2.Stop):
self._graph.run_once()
def test_run_again(self):
class MyIter(_MyIter):
def __next__(self):
if self._at == 3:
raise bt2.TryAgain
if self._at == 0:
msg = self._create_stream_beginning_message(self._stream)
elif self._at == 1:
msg = self._create_packet_beginning_message(self._packet)
elif self._at == 2:
msg = self._create_event_message(self._ec, self._packet)
self._at += 1
return msg
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._input_port = self._add_input_port("in")
self._at = 0
def _user_consume(comp_self):
msg = next(comp_self._msg_iter)
if comp_self._at == 0:
self.assertIs(type(msg), bt2._StreamBeginningMessageConst)
elif comp_self._at == 1:
self.assertIs(type(msg), bt2._PacketBeginningMessageConst)
elif comp_self._at == 2:
self.assertIs(type(msg), bt2._EventMessageConst)
raise bt2.TryAgain
else:
pass
comp_self._at += 1
def _user_graph_is_configured(self):
self._msg_iter = self._create_message_iterator(self._input_port)
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
with self.assertRaises(bt2.TryAgain):
self._graph.run()
def test_run_error(self):
raised_in_sink = False
class MyIter(_MyIter):
def __next__(self):
# If this gets called after the sink raised an exception, it is
# an error.
assert raised_in_sink is False
if self._at == 0:
msg = self._create_stream_beginning_message(self._stream)
elif self._at == 1:
msg = self._create_packet_beginning_message(self._packet)
elif self._at == 2 or self._at == 3:
msg = self._create_event_message(self._ec, self._packet)
else:
raise bt2.TryAgain
self._at += 1
return msg
class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter):
def __init__(self, config, params, obj):
self._add_output_port("out")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._input_port = self._add_input_port("in")
self._at = 0
def _user_consume(comp_self):
msg = next(comp_self._msg_iter)
if comp_self._at == 0:
self.assertIs(type(msg), bt2._StreamBeginningMessageConst)
elif comp_self._at == 1:
self.assertIs(type(msg), bt2._PacketBeginningMessageConst)
elif comp_self._at == 2:
self.assertIs(type(msg), bt2._EventMessageConst)
elif comp_self._at == 3:
nonlocal raised_in_sink
raised_in_sink = True
raise RuntimeError("error!")
comp_self._at += 1
def _user_graph_is_configured(self):
self._msg_iter = self._create_message_iterator(self._input_port)
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
with self.assertRaises(bt2._Error):
self._graph.run()
def test_listeners(self):
class MySource(
bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
):
def __init__(self, config, params, obj):
self._add_output_port("out")
self._add_output_port("zero")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
raise bt2.Stop
def _user_port_connected(self, port, other_port):
self._add_input_port("taste")
def port_added_listener(component, port):
calls.append((port_added_listener, component, port))
calls = []
self._graph.add_port_added_listener(port_added_listener)
src = self._graph.add_component(MySource, "src")
sink = self._graph.add_component(MySink, "sink")
self._graph.connect_ports(src.output_ports["out"], sink.input_ports["in"])
self.assertEqual(len(calls), 4)
self.assertIs(calls[0][0], port_added_listener)
self.assertEqual(calls[0][1].name, "src")
self.assertEqual(calls[0][2].name, "out")
self.assertIs(calls[1][0], port_added_listener)
self.assertEqual(calls[1][1].name, "src")
self.assertEqual(calls[1][2].name, "zero")
self.assertIs(calls[2][0], port_added_listener)
self.assertEqual(calls[2][1].name, "sink")
self.assertEqual(calls[2][2].name, "in")
self.assertIs(calls[3][0], port_added_listener)
self.assertEqual(calls[3][1].name, "sink")
self.assertEqual(calls[3][2].name, "taste")
def test_invalid_listeners(self):
class MySource(
bt2._UserSourceComponent, message_iterator_class=bt2._UserMessageIterator
):
def __init__(self, config, params, obj):
self._add_output_port("out")
self._add_output_port("zero")
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
raise bt2.Stop
def _user_port_connected(self, port, other_port):
self._add_input_port("taste")
with self.assertRaises(TypeError):
self._graph.add_port_added_listener(1234)
def test_raise_in_component_init(self):
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
raise ValueError("oops!")
def _user_consume(self):
raise bt2.Stop
graph = bt2.Graph()
with self.assertRaises(bt2._Error):
graph.add_component(MySink, "comp")
def test_raise_in_port_added_listener(self):
class MySink(bt2._UserSinkComponent):
def __init__(self, config, params, obj):
self._add_input_port("in")
def _user_consume(self):
raise bt2.Stop
def port_added_listener(component, port):
raise ValueError("oh noes!")
graph = bt2.Graph()
graph.add_port_added_listener(port_added_listener)
with self.assertRaises(bt2._Error):
graph.add_component(MySink, "comp")
if __name__ == "__main__":
unittest.main()
|
