def test_query_not_implemented(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
with self.assertRaises(bt2.UnknownObject):
bt2.QueryExecutor(MySink, 'obj', 23).query()
def test_query(self):
res = bt2.QueryExecutor(self._comp_cls, 'an object', {
'yes': 'no',
'book': -17
}).query()
expected = ['an object', {'yes': 'no', 'book': -17}, 23]
self.assertEqual(res, expected)
def _compute_stream_intersections(self):
# Pre-compute the trimmer range to use for each port in the graph, when
# stream intersection mode is enabled.
self._stream_inter_port_to_range = {}
for src_comp_and_spec in self._src_comps_and_specs:
# Query the port's component for the `babeltrace.trace-infos`
# object which contains the range for each stream, from which we can
# compute the intersection of the streams in each trace.
query_exec = bt2.QueryExecutor(
src_comp_and_spec.spec.component_class,
'babeltrace.trace-infos',
src_comp_and_spec.spec.params,
)
trace_infos = query_exec.query()
for trace_info in trace_infos:
begin = max([
stream['range-ns']['begin']
for stream in trace_info['stream-infos']
])
end = min([
stream['range-ns']['end']
for stream in trace_info['stream-infos']
])
# Each port associated to this trace will have this computed
# range.
for stream in trace_info['stream-infos']:
# A port name is unique within a component, but not
# necessarily across all components. Use a component
# and port name pair to make it unique across the graph.
port_name = str(stream['port-name'])
key = (src_comp_and_spec.comp.addr, port_name)
self._stream_inter_port_to_range[key] = (begin, end)
def test_query(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
nonlocal query_params
query_params = params
return {'null': None, 'bt2': 'BT2'}
query_params = None
params = {
'array': ['coucou', 23, None],
'other_map': {
'yes': 'yeah',
'19': 19,
'minus 1.5': -1.5
},
'null': None,
}
res = bt2.QueryExecutor(MySink, 'obj', params).query()
self.assertIs(type(res), bt2._MapValueConst)
self.assertIs(type(res['bt2']), bt2._StringValueConst)
self.assertEqual(query_params, params)
self.assertEqual(res, {'null': None, 'bt2': 'BT2'})
del query_params
def test_trace_uuid_stream_class_id_no_stream_id(self):
res = bt2.QueryExecutor(
self._fs,
"babeltrace.trace-infos",
{
"inputs": [
os.path.join(test_ctf_traces_path, "intersection",
"3eventsintersect")
]
},
).query()
if os.environ['BT_OS_TYPE'] == 'mingw':
os_stream_path = (
'\\tests\\data\\ctf-traces\\intersection\\3eventsintersect\\')
else:
os_stream_path = '/tests/data/ctf-traces/intersection/3eventsintersect/'
self.assertEqual(len(res), 1)
trace = res[0]
streams = sorted(trace["stream-infos"], key=sort_predictably)
self.assertEqual(len(streams), 2)
self.assertRegex(
str(streams[0]["port-name"]),
r"^7afe8fbe-79b8-4f6a-bbc7-d0c782e7ddaf \| 0 \| .*" +
re.escape(os_stream_path + "test_stream_0") + r"$",
)
self.assertRegex(
str(streams[1]["port-name"]),
r"^7afe8fbe-79b8-4f6a-bbc7-d0c782e7ddaf \| 0 \| .*" +
re.escape(os_stream_path + "test_stream_1") + r"$",
)
def test_query(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
@classmethod
def _query(cls, query_exec, obj, params):
nonlocal query_params
query_params = params
return {
'null': None,
'bt2': 'BT2',
}
query_params = None
params = {
'array': ['coucou', 23, None],
'other_map': {
'yes': 'yeah',
'19': 19,
'minus 1.5': -1.5,
},
'null': None,
}
res = bt2.QueryExecutor().query(MySink, 'obj', params)
self.assertEqual(query_params, params)
self.assertEqual(res, {
'null': None,
'bt2': 'BT2',
})
del query_params
def test_query_not_implemented(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
with self.assertRaises(bt2.Error):
bt2.QueryExecutor().query(MySink, 'obj', 23)
def do_one_query(input, expected_group):
qe = bt2.QueryExecutor(fs, 'babeltrace.support-info', {
'input': input,
'type': 'directory'
})
result = qe.query()
self.assertEqual(result['group'], expected_group)
def test_default_interrupter(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
query_exec = bt2.QueryExecutor(MySink, 'obj')
interrupter = query_exec.default_interrupter
self.assertIs(type(interrupter), bt2.Interrupter)
def setUp(self):
ctf = bt2.find_plugin('ctf')
self._fs = ctf.source_component_classes['fs']
self._paths = [
os.path.join(test_ctf_traces_path, 'intersection',
'3eventsintersect')
]
self._executor = bt2.QueryExecutor()
def test_clock_class_offset_s_wrong_type(self):
with self.assertRaises(bt2._Error):
bt2.QueryExecutor(
self._fs,
'babeltrace.trace-infos',
{
'inputs': self._inputs,
'clock-class-offset-s': "2"
},
).query()
def _query_trace_info(self):
try:
result = bt2.QueryExecutor().query(
self._trace_collection._fs_comp_cls, 'trace-info',
{'path': self._path})
except:
raise ValueError
assert (len(result) == 1)
return result
def test_query_try_again(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
raise bt2.TryAgain
with self.assertRaises(bt2.TryAgain):
bt2.QueryExecutor(MySink, 'obj', [17, 23]).query()
def test_query_gen_error(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
@classmethod
def _query(cls, query_exec, obj, params):
raise ValueError
with self.assertRaises(bt2.Error):
res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23])
def test_clock_class_offset_ns(self):
res = bt2.QueryExecutor(
self._fs,
'babeltrace.trace-infos',
{
'inputs': self._inputs,
'clock-class-offset-ns': 2
},
).query()
trace = res[0]
self._check(trace, 2)
def test_query_unknown_object(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
raise bt2.UnknownObject
with self.assertRaises(bt2.UnknownObject):
bt2.QueryExecutor(MySink, 'obj', [17, 23]).query()
def test_query_returns_none(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@staticmethod
def _user_query(priv_query_exec, obj, params, method_obj):
return
res = bt2.QueryExecutor(MySink, 'obj', None).query()
self.assertIsNone(res)
def test_query_raises(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params):
raise ValueError
with self.assertRaises(bt2._Error):
bt2.QueryExecutor(MySink, 'obj', 23).query()
def test_query_wrong_return_type(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
return ...
with self.assertRaises(bt2._Error):
bt2.QueryExecutor(MySink, 'obj', 23).query()
def test_query_with_method_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.assertRaisesRegex(
ValueError,
re.escape(r'cannot pass a Python object to a non-Python component class'),
):
bt2.QueryExecutor(cc, 'obj', method_obj=object()).query()
def _test_lttng_quirks(self, trace_name):
res = bt2.QueryExecutor(
self._fs,
"babeltrace.trace-infos",
{
"inputs": [os.path.join(self._path, trace_name)]
},
).query()
self.assertEqual(len(res), 1)
return res[0]
def test_query_invalid_params(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
@classmethod
def _query(cls, query_exec, obj, params):
raise bt2.InvalidQueryParams
with self.assertRaises(bt2.InvalidQueryParams):
res = bt2.QueryExecutor().query(MySink, 'obj', [17, 23])
def test_query_logging_level_invalid_value(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
pass
query_exec = bt2.QueryExecutor(MySink, 'obj', [17, 23])
with self.assertRaises(ValueError):
query_exec.logging_level = 12345
def test_query_with_none_method_obj(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
nonlocal query_method_obj
query_method_obj = method_obj
query_method_obj = object()
bt2.QueryExecutor(MySink, 'obj').query()
self.assertIsNone(query_method_obj)
del query_method_obj
def test_query_canceled(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
@classmethod
def _query(cls, query_exec, obj, params):
raise bt2.TryAgain
query_exec = bt2.QueryExecutor()
query_exec.cancel()
with self.assertRaises(bt2.QueryExecutorCanceled):
res = query_exec.query(MySink, 'obj', [17, 23])
def test_query_interrupt(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
test_self.assertFalse(query_exec.is_interrupted)
query_exec.default_interrupter.set()
test_self.assertTrue(query_exec.is_interrupted)
test_self = self
query_exec = bt2.QueryExecutor(MySink, 'obj', [17, 23])
query_exec.query()
def test_query_params_none(self):
class MySink(bt2._UserSinkComponent):
def _consume(self):
pass
@classmethod
def _query(cls, query_exec, obj, params):
nonlocal query_params
query_params = params
query_params = 23
res = bt2.QueryExecutor().query(MySink, 'obj', None)
self.assertEqual(query_params, None)
del query_params
def test_query_no_params(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
nonlocal query_params
query_params = params
query_params = 23
bt2.QueryExecutor(MySink, 'obj').query()
self.assertIs(query_params, None)
del query_params
def test_query_logging_level(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
nonlocal query_log_level
query_log_level = priv_query_exec.logging_level
query_log_level = None
query_exec = bt2.QueryExecutor(MySink, 'obj', None)
query_exec.logging_level = bt2.LoggingLevel.INFO
query_exec.query()
self.assertEqual(query_log_level, bt2.LoggingLevel.INFO)
del query_log_level
def test_component_class_error_cause(self):
q = bt2.QueryExecutor(SinkWithFailingQuery, 'hello')
with self.assertRaises(bt2._Error) as ctx:
q.query()
cause = ctx.exception[0]
self.assertIs(type(cause), bt2._ComponentClassErrorCause)
self._common_cause_tests(cause)
self.assertIn('Query is failing', cause.message)
self.assertEqual(cause.component_class_type,
bt2.ComponentClassType.SINK)
self.assertEqual(cause.component_class_name, 'SinkWithFailingQuery')
self.assertIsNone(cause.plugin_name)