Move to kernel style SPDX license identifiers
[babeltrace.git] / tests / data / auto-source-discovery / params-log-level / bt_plugin_test.py
... / ...
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1# SPDX-License-Identifier: GPL-2.0-only
2#
3# Copyright (C) 2019 EfficiOS Inc.
4#
5
6import bt2
7import os
8
9# This file defines source component classes to help verify the parameters an
10# log levels passed to components. Each component creates one stream, with a
11# name derived from either:
12#
13# - the received params that start with `test-`
14# - the received log level
15#
16# The `what` parameter determines what is used.
17
18
19class TestIter(bt2._UserMessageIterator):
20 def __init__(self, config, output_port):
21 params = output_port.user_data['params']
22 obj = output_port.user_data['obj']
23
24 comp_cls_name = self._component.__class__.__name__
25
26 if params['what'] == 'test-params':
27 items = sorted([str(x) for x in params.items() if x[0].startswith('test-')])
28 stream_name = '{}: {}'.format(comp_cls_name, ', '.join(items))
29 elif params['what'] == 'log-level':
30 log_level = self._component.logging_level
31 stream_name = '{}: {}'.format(comp_cls_name, log_level)
32 elif params['what'] == 'python-obj':
33 assert type(obj) == str or obj is None
34 stream_name = '{}: {}'.format(comp_cls_name, obj)
35 else:
36 assert False
37
38 sc = output_port.user_data['sc']
39 tc = sc.trace_class
40 t = tc()
41 s = t.create_stream(sc, name=stream_name)
42
43 self._msgs = [
44 self._create_stream_beginning_message(s),
45 self._create_stream_end_message(s),
46 ]
47
48 def __next__(self):
49 if len(self._msgs) == 0:
50 raise StopIteration
51
52 return self._msgs.pop(0)
53
54
55class Base:
56 def __init__(self, params, obj):
57 tc = self._create_trace_class()
58 sc = tc.create_stream_class()
59
60 self._add_output_port('out', {'params': params, 'obj': obj, 'sc': sc})
61
62
63@bt2.plugin_component_class
64class TestSourceA(Base, bt2._UserSourceComponent, message_iterator_class=TestIter):
65 def __init__(self, config, params, obj):
66 super().__init__(params, obj)
67
68 @staticmethod
69 def _user_query(priv_query_exec, obj, params, method_obj):
70 # Match files starting with 'aaa'.
71
72 if obj == 'babeltrace.support-info':
73 if params['type'] != 'file':
74 return 0
75
76 name = os.path.basename(str(params['input']))
77
78 if name.startswith('aaa'):
79 return {'weight': 1, 'group': 'aaa'}
80 else:
81 return 0
82 else:
83 raise bt2.UnknownObject
84
85
86@bt2.plugin_component_class
87class TestSourceB(Base, bt2._UserSourceComponent, message_iterator_class=TestIter):
88 def __init__(self, config, params, obj):
89 super().__init__(params, obj)
90
91 @staticmethod
92 def _user_query(priv_query_exec, obj, params, method_obj):
93 # Match files starting with 'bbb'.
94
95 if obj == 'babeltrace.support-info':
96 if params['type'] != 'file':
97 return 0
98
99 name = os.path.basename(str(params['input']))
100
101 if name.startswith('bbb'):
102 return {'weight': 1, 'group': 'bbb'}
103 else:
104 return 0
105 else:
106 raise bt2.UnknownObject
107
108
109bt2.register_plugin(module_name=__name__, name="test")
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