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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2019 EfficiOS Inc.
#
import re
import unittest
import bt2
class QueryExecutorTestCase(unittest.TestCase):
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 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_query_params_none(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", None).query()
self.assertIs(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_with_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 = None
method_obj = object()
bt2.QueryExecutor(MySink, "obj", method_obj=method_obj).query()
self.assertIs(query_method_obj, method_obj)
del query_method_obj
def test_query_with_method_obj_del_ref(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
class Custom:
pass
query_method_obj = None
method_obj = Custom()
method_obj.hola = "hello"
query_exec = bt2.QueryExecutor(MySink, "obj", method_obj=method_obj)
del method_obj
query_exec.query()
self.assertIsInstance(query_method_obj, Custom)
self.assertEqual(query_method_obj.hola, "hello")
del query_method_obj
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_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_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_query_gen_error(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
raise ValueError
with self.assertRaises(bt2._Error) as ctx:
bt2.QueryExecutor(MySink, "obj", [17, 23]).query()
exc = ctx.exception
self.assertEqual(len(exc), 3)
cause = exc[0]
self.assertIsInstance(cause, bt2._ComponentClassErrorCause)
self.assertIn("raise ValueError", cause.message)
self.assertEqual(cause.component_class_type, bt2.ComponentClassType.SINK)
self.assertEqual(cause.component_class_name, "MySink")
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_logging_level_invalid_type(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(TypeError):
query_exec.logging_level = "yeah"
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_add_interrupter(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)
interrupter2.set()
test_self.assertTrue(query_exec.is_interrupted)
interrupter2.reset()
test_self.assertFalse(query_exec.is_interrupted)
interrupter1 = bt2.Interrupter()
interrupter2 = bt2.Interrupter()
test_self = self
query_exec = bt2.QueryExecutor(MySink, "obj", [17, 23])
query_exec.add_interrupter(interrupter1)
query_exec.add_interrupter(interrupter2)
query_exec.query()
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_priv_executor_invalid_after(self):
class MySink(bt2._UserSinkComponent):
def _user_consume(self):
pass
@classmethod
def _user_query(cls, priv_query_exec, obj, params, method_obj):
nonlocal test_priv_query_exec
test_priv_query_exec = priv_query_exec
test_priv_query_exec = None
query_exec = bt2.QueryExecutor(MySink, "obj", [17, 23])
query_exec.query()
assert test_priv_query_exec is not None
with self.assertRaises(RuntimeError):
test_priv_query_exec.logging_level
del test_priv_query_exec
if __name__ == "__main__":
unittest.main()
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