X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=tests%2Fbindings%2Fpython%2Fbt2%2Ftest_graph.py;h=acf283ceab5e41fae4c0392cdb6011825cc933e5;hb=f5567ea88d172767b34373bc6e402da8bfd85ef8;hp=1d37e22502e67e4e542b57a4fbea28184bd30e20;hpb=c4239792c6758f579fb9482ddccf336f1bbf26c4;p=babeltrace.git diff --git a/tests/bindings/python/bt2/test_graph.py b/tests/bindings/python/bt2/test_graph.py index 1d37e225..acf283ce 100644 --- a/tests/bindings/python/bt2/test_graph.py +++ b/tests/bindings/python/bt2/test_graph.py @@ -1,11 +1,36 @@ -from bt2 import value -import collections +# SPDX-License-Identifier: GPL-2.0-only +# +# Copyright (C) 2019 EfficiOS Inc. +# + import unittest -import copy import bt2 -@unittest.skip("this is broken") +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._my_int_ft = self._tc.create_signed_integer_field_class(32) + payload_ft = self._tc.create_structure_field_class() + payload_ft += [("my_int", self._my_int_ft)] + self._ec.payload_field_type = payload_ft + self._stream = self._t.create_stream(self._sc) + self._packet = self._stream.create_packet() + + def _create_event(self, value): + ev = self._ec() + ev.payload_field["my_int"] = value + ev.packet = self._packet + return ev + + class GraphTestCase(unittest.TestCase): def setUp(self): self._graph = bt2.Graph() @@ -13,563 +38,592 @@ class GraphTestCase(unittest.TestCase): def tearDown(self): del self._graph - def test_create_empty(self): - graph = bt2.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(1) + + 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 _consume(self): + def _user_consume(self): pass - comp = self._graph.add_component(MySink, 'salut') - self.assertEqual(comp.name, 'salut') + comp = self._graph.add_component(MySink, "salut") + self.assertEqual(comp.name, "salut") def test_add_component_gen_cls(self): class MySink(bt2._UserSinkComponent): - def _consume(self): + def _user_consume(self): pass - comp = self._graph.add_component(MySink, 'salut') - assert(comp) - comp2 = self._graph.add_component(comp.component_class, 'salut2') - self.assertEqual(comp2.name, 'salut2') + 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, params): + def __init__(self, config, params, obj): nonlocal comp_params comp_params = params - def _consume(self): + def _user_consume(self): pass - params = {'hello': 23, 'path': '/path/to/stuff'} - comp = self._graph.add_component(MySink, 'salut', params) + 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_invalid_cls_type(self): - with self.assertRaises(TypeError): - self._graph.add_component(int, 'salut') + def test_add_component_obj_python_comp_cls(self): + comp_obj = None - def test_connect_ports(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): - raise bt2.Stop + class MySink(bt2._UserSinkComponent): + def __init__(self, config, params, obj): + nonlocal comp_obj + comp_obj = obj + + def _user_consume(self): + pass - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + nonlocal comp_obj + comp_obj = obj - def _consume(self): - raise bt2.Stop + def _user_consume(self): + pass - 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, conn) - self.assertEqual(sink.input_ports['in'].connection, conn) + self._graph.add_component(MySink, "salut") + self.assertIsNone(comp_obj) + del comp_obj - def test_connect_ports_invalid_direction(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): - raise bt2.Stop + 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") - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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_logging_level_value(self): class MySink(bt2._UserSinkComponent): - def __init__(self, params): - self._add_input_port('in') + def _user_consume(self): + pass - def _consume(self): - raise bt2.Stop + with self.assertRaises(ValueError): + self._graph.add_component(MySink, "salut", logging_level=12345) - src = self._graph.add_component(MySource, 'src') - sink = self._graph.add_component(MySink, 'sink') + def test_add_component_invalid_params_type(self): + class MySink(bt2._UserSinkComponent): + def _user_consume(self): + pass with self.assertRaises(TypeError): - conn = self._graph.connect_ports(sink.input_ports['in'], - src.output_ports['out']) + self._graph.add_component(MySink, "salut", params=12) - def test_connect_ports_refused(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): - raise bt2.Stop + 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) - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + def test_add_component_params_mapvalue(self): + params_obj = None class MySink(bt2._UserSinkComponent): - def __init__(self, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + nonlocal params_obj + params_obj = params - def _consume(self): - raise bt2.Stop + def _user_consume(self): + pass - def _accept_port_connection(self, port, other_port): - return False + params = bt2.MapValue({"beachclub": "121"}) + self._graph.add_component(MySink, "salut", params=params) - src = self._graph.add_component(MySource, 'src') - sink = self._graph.add_component(MySink, 'sink') + self.assertEqual(params, params_obj) - with self.assertRaises(bt2.PortConnectionRefused): - conn = self._graph.connect_ports(src.output_ports['out'], - sink.input_ports['in']) + def test_add_component_logging_level(self): + class MySink(bt2._UserSinkComponent): + def _user_consume(self): + pass - def test_connect_ports_canceled(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): + 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 - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + self._add_input_port("in") - def _consume(self): + def _user_consume(self): raise bt2.Stop - src = self._graph.add_component(MySource, 'src') - sink = self._graph.add_component(MySink, 'sink') - self._graph.cancel() + src = self._graph.add_component(MySource, "src") + sink = self._graph.add_component(MySink, "sink") - with self.assertRaises(bt2.GraphCanceled): - conn = self._graph.connect_ports(src.output_ports['out'], - sink.input_ports['in']) + with self.assertRaises(TypeError): + self._graph.connect_ports(sink.input_ports["in"], src.output_ports["out"]) - def test_connect_ports_cannot_consume_accept(self): + def test_add_interrupter(self): class MyIter(bt2._UserMessageIterator): def __next__(self): - raise bt2.Stop + raise TypeError - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') - - def _consume(self): - raise bt2.Stop + def __init__(self, config, params, obj): + self._add_input_port("in") - def _accept_port_connection(self, port, other_port): - nonlocal exc + def _user_consume(self): + next(self._msg_iter) - try: - self.graph.run() - except Exception as e: - exc = e + def _user_graph_is_configured(self): + self._msg_iter = self._create_message_iterator(self._input_ports["in"]) - return True + # 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) - exc = None - 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.assertIs(type(exc), bt2.CannotConsumeGraph) + with self.assertRaises(bt2._Error): + self._graph.run() - def test_connect_ports_cannot_consume_connected(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): - raise bt2.Stop + interrupter2.set() - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + with self.assertRaises(bt2.TryAgain): + self._graph.run() - class MySink(bt2._UserSinkComponent): - def __init__(self, params): - self._add_input_port('in') + interrupter2.reset() - def _consume(self): - raise bt2.Stop + with self.assertRaises(bt2._Error): + self._graph.run() - def _port_connected(self, port, other_port): - nonlocal exc + # 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) - try: - self.graph.run() - except Exception as e: - exc = e + class MySource(bt2._UserSourceComponent, message_iterator_class=MyIter): + def __init__(self, config, params, obj): + self._add_output_port("out") - return True + class MySink(bt2._UserSinkComponent): + def __init__(self, config, params, obj): + self._add_input_port("in") - exc = None - 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() - self.assertIs(type(exc), bt2.CannotConsumeGraph) + def _user_consume(self): + # Pretend that somebody asynchronously interrupted the graph. + nonlocal graph + graph.default_interrupter.set() + return next(self._msg_iter) - def test_cancel(self): - self.assertFalse(self._graph.is_canceled) - self._graph.cancel() - self.assertTrue(self._graph.is_canceled) + def _user_graph_is_configured(self): + self._msg_iter = self._create_message_iterator(self._input_ports["in"]) - def test_run(self): - class MyIter(bt2._UserMessageIterator): - def __init__(self): - self._build_meta() - self._at = 0 + 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"]) - def _build_meta(self): - self._trace = bt2.Trace() - self._sc = bt2.StreamClass() - self._ec = bt2.EventClass('salut') - self._my_int_fc = bt2.IntegerFieldClass(32) - self._ec.payload_field_class = bt2.StructureFieldClass() - self._ec.payload_field_class += collections.OrderedDict([ - ('my_int', self._my_int_fc), - ]) - self._sc.add_event_class(self._ec) - self._trace.add_stream_class(self._sc) - self._stream = self._sc() - self._packet = self._stream.create_packet() - - def _create_event(self, value): - ev = self._ec() - ev.payload_field['my_int'] = value - ev.packet = self._packet - return ev + with self.assertRaises(bt2.TryAgain): + self._graph.run() + def test_run(self): + class MyIter(_MyIter): def __next__(self): - if self._at == 5: - raise bt2.Stop + 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) - msg = bt2.EventMessage(self._create_event(self._at * 3)) self._at += 1 return msg - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + self._input_port = self._add_input_port("in") self._at = 0 - def _consume(comp_self): + def _user_consume(comp_self): msg = next(comp_self._msg_iter) if comp_self._at == 0: - self.assertIsInstance(msg, bt2.StreamBeginningMessage) + self.assertIs(type(msg), bt2._StreamBeginningMessageConst) elif comp_self._at == 1: - self.assertIsInstance(msg, bt2.PacketBeginningMessage) + self.assertIs(type(msg), bt2._PacketBeginningMessageConst) elif comp_self._at >= 2 and comp_self._at <= 6: - self.assertIsInstance(msg, bt2.EventMessage) - self.assertEqual(msg.event.event_class.name, 'salut') - field = msg.event.payload_field['my_int'] - self.assertEqual(field, (comp_self._at - 2) * 3) + self.assertIs(type(msg), bt2._EventMessageConst) + self.assertEqual(msg.event.cls.name, "salut") elif comp_self._at == 7: - self.assertIsInstance(msg, bt2.PacketEndMessage) + self.assertIs(type(msg), bt2._PacketEndMessageConst) elif comp_self._at == 8: - self.assertIsInstance(msg, bt2.StreamEndMessage) + self.assertIs(type(msg), bt2._StreamEndMessageConst) comp_self._at += 1 - def _port_connected(self, port, other_port): - self._msg_iter = port.connection.create_message_iterator() + 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') - conn = self._graph.connect_ports(src.output_ports['out'], - sink.input_ports['in']) + 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_again(self): - class MyIter(bt2._UserMessageIterator): - def __init__(self): - self._build_meta() - self._at = 0 + 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 - def _build_meta(self): - self._trace = bt2.Trace() - self._sc = bt2.StreamClass() - self._ec = bt2.EventClass('salut') - self._my_int_fc = bt2.IntegerFieldClass(32) - self._ec.payload_field_class = bt2.StructureFieldClass() - self._ec.payload_field_class += collections.OrderedDict([ - ('my_int', self._my_int_fc), - ]) - self._sc.add_event_class(self._ec) - self._trace.add_stream_class(self._sc) - self._stream = self._sc() - self._packet = self._stream.create_packet() - - def _create_event(self, value): - ev = self._ec() - ev.payload_field['my_int'] = value - ev.packet = self._packet - return ev + 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 == 1: + if self._at == 3: raise bt2.TryAgain - msg = bt2.EventMessage(self._create_event(self._at * 3)) + 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, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + self._input_port = self._add_input_port("in") self._at = 0 - def _consume(comp_self): + def _user_consume(comp_self): + msg = next(comp_self._msg_iter) if comp_self._at == 0: - msg = next(comp_self._msg_iter) - self.assertIsInstance(msg, bt2.EventMessage) + self.assertIs(type(msg), bt2._StreamBeginningMessageConst) elif comp_self._at == 1: - with self.assertRaises(bt2.TryAgain): - msg = next(comp_self._msg_iter) - + 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 _port_connected(self, port, other_port): - types = [bt2.EventMessage] - self._msg_iter = port.connection.create_message_iterator(types) + 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') - conn = self._graph.connect_ports(src.output_ports['out'], - sink.input_ports['in']) + 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_no_sink(self): - class MyIter(bt2._UserMessageIterator): - pass - - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') - - class MyFilter(bt2._UserFilterComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') - self._add_input_port('in') - - src = self._graph.add_component(MySource, 'src') - flt = self._graph.add_component(MyFilter, 'flt') - conn = self._graph.connect_ports(src.output_ports['out'], - flt.input_ports['in']) - - with self.assertRaises(bt2.NoSinkComponent): - self._graph.run() - def test_run_error(self): - class MyIter(bt2._UserMessageIterator): - def __init__(self): - self._build_meta() - self._at = 0 - - def _build_meta(self): - self._trace = bt2.Trace() - self._sc = bt2.StreamClass() - self._ec = bt2.EventClass('salut') - self._my_int_fc = bt2.IntegerFieldClass(32) - self._ec.payload_field_class = bt2.StructureFieldClass() - self._ec.payload_field_class += collections.OrderedDict([ - ('my_int', self._my_int_fc), - ]) - self._sc.add_event_class(self._ec) - self._trace.add_stream_class(self._sc) - self._stream = self._sc() - self._packet = self._stream.create_packet() - - def _create_event(self, value): - ev = self._ec() - ev.payload_field['my_int'] = value - ev.packet = self._packet - return ev + raised_in_sink = False + class MyIter(_MyIter): def __next__(self): - if self._at == 1: + # If this gets called after the sink raised an exception, it is + # an error. + nonlocal raised_in_sink + 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 - - msg = bt2.EventMessage(self._create_event(self._at * 3)) self._at += 1 return msg - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + self._input_port = self._add_input_port("in") self._at = 0 - def _consume(comp_self): + def _user_consume(comp_self): + msg = next(comp_self._msg_iter) if comp_self._at == 0: - msg = next(comp_self._msg_iter) - self.assertIsInstance(msg, bt2.EventMessage) + self.assertIs(type(msg), bt2._StreamBeginningMessageConst) elif comp_self._at == 1: - raise RuntimeError('error!') + 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 _port_connected(self, port, other_port): - types = [bt2.EventMessage] - self._msg_iter = port.connection.create_message_iterator(types) + 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') - conn = self._graph.connect_ports(src.output_ports['out'], - sink.input_ports['in']) + 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): + with self.assertRaises(bt2._Error): self._graph.run() - def test_run_cannot_consume(self): - class MyIter(bt2._UserMessageIterator): - pass - - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') + 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, params): - self._add_input_port('in') - self._at = 0 + def __init__(self, config, params, obj): + self._add_input_port("in") - def _consume(comp_self): - nonlocal exc + def _user_consume(self): + raise bt2.Stop - try: - print('going in') - comp_self.graph.run() - print('going out') - except Exception as e: - exc = e + def _user_port_connected(self, port, other_port): + self._add_input_port("taste") - raise bt2.Stop + def port_added_listener(component, port): + nonlocal calls + calls.append((port_added_listener, component, port)) - exc = None - 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._graph.run() - self.assertIs(type(exc), bt2.CannotConsumeGraph) + 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"]) - def test_listeners(self): - class MyIter(bt2._UserMessageIterator): - def __next__(self): + 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 - class MySource(bt2._UserSourceComponent, - message_iterator_class=MyIter): - def __init__(self, params): - self._add_output_port('out') - self._add_output_port('zero') + def _user_port_connected(self, port, other_port): + self._add_input_port("taste") - def _port_connected(self, port, other_port): - self._output_ports['zero'].remove_from_component() + 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, params): - self._add_input_port('in') + def __init__(self, config, params, obj): + raise ValueError("oops!") - def _consume(self): + def _user_consume(self): raise bt2.Stop - def _port_connected(self, port, other_port): - self._add_input_port('taste') + graph = bt2.Graph() - def _port_disconnected(self, port): - port.remove_from_component() + with self.assertRaises(bt2._Error): + graph.add_component(MySink, "comp") - def port_added_listener(port): - nonlocal calls - calls.append((port_added_listener, port)) + def test_raise_in_port_added_listener(self): + class MySink(bt2._UserSinkComponent): + def __init__(self, config, params, obj): + self._add_input_port("in") - def port_removed_listener(port): - nonlocal calls - calls.append((port_removed_listener, port)) + def _user_consume(self): + raise bt2.Stop - def ports_connected_listener(upstream_port, downstream_port): - nonlocal calls - calls.append((ports_connected_listener, upstream_port, - downstream_port)) + def port_added_listener(component, port): + raise ValueError("oh noes!") - def ports_disconnected_listener(upstream_comp, downstream_comp, - upstream_port, downstream_port): - nonlocal calls - calls.append((ports_disconnected_listener, upstream_comp, - downstream_comp, upstream_port, downstream_port)) + graph = bt2.Graph() + graph.add_port_added_listener(port_added_listener) - calls = [] - self._graph.add_listener(bt2.GraphListenerType.PORT_ADDED, - port_added_listener) - self._graph.add_listener(bt2.GraphListenerType.PORT_REMOVED, - port_removed_listener) - self._graph.add_listener(bt2.GraphListenerType.PORTS_CONNECTED, - ports_connected_listener) - self._graph.add_listener(bt2.GraphListenerType.PORTS_DISCONNECTED, - ports_disconnected_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']) - sink.input_ports['in'].disconnect() - self.assertIs(calls[0][0], port_added_listener) - self.assertEqual(calls[0][1].name, 'out') - self.assertIs(calls[1][0], port_added_listener) - self.assertEqual(calls[1][1].name, 'zero') - self.assertIs(calls[2][0], port_added_listener) - self.assertEqual(calls[2][1].name, 'in') - self.assertIs(calls[3][0], port_removed_listener) - self.assertEqual(calls[3][1].name, 'zero') - self.assertIs(calls[4][0], port_added_listener) - self.assertEqual(calls[4][1].name, 'taste') - self.assertIs(calls[5][0], ports_connected_listener) - self.assertEqual(calls[5][1].name, 'out') - self.assertEqual(calls[5][2].name, 'in') - self.assertIs(calls[6][0], port_removed_listener) - self.assertEqual(calls[6][1].name, 'in') - self.assertIs(calls[7][0], ports_disconnected_listener) - self.assertEqual(calls[7][1].name, 'src') - self.assertEqual(calls[7][2].name, 'sink') - self.assertEqual(calls[7][3].name, 'out') - self.assertEqual(calls[7][4].name, 'in') - del calls + with self.assertRaises(bt2._Error): + graph.add_component(MySink, "comp") + + +if __name__ == "__main__": + unittest.main()