1 # Copyright 2016 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import optparse 6 import tempfile 7 8 from systrace import trace_result 9 from systrace import tracing_agents 10 11 12 class FakeAgent(object): 13 def __init__(self, contents='fake-contents'): 14 self.contents = contents 15 self.stopped = False 16 self.filename = None 17 self.config = None 18 self.timeout = None 19 20 def StartAgentTracing(self, config, timeout=None): 21 self.config = config 22 self.timeout = timeout 23 return True 24 25 # pylint: disable=unused-argument 26 def StopAgentTracing(self, timeout=None): 27 self.stopped = True 28 return True 29 30 # pylint: disable=unused-argument 31 def GetResults(self, timeout=None): 32 trace_data = open(self._PullTrace()).read() 33 return trace_result.TraceResult('fakeData', trace_data) 34 35 def _PullTrace(self): 36 with tempfile.NamedTemporaryFile(delete=False) as f: 37 self.filename = f.name 38 f.write(self.contents) 39 return f.name 40 41 # pylint: disable=no-self-use 42 def SupportsExplicitClockSync(self): 43 return False 44 45 # pylint: disable=unused-argument, no-self-use 46 def RecordClockSyncMarker(self, sync_id, did_record_sync_marker_callback): 47 print ('Clock sync marker cannot be recorded since explicit clock sync ' 48 'is not supported.') 49 50 def __repr__(self): 51 return 'faketrace' 52 53 54 class FakeConfig(tracing_agents.TracingConfig): 55 def __init__(self): 56 tracing_agents.TracingConfig.__init__(self) 57 58 59 # pylint: disable=unused-argument 60 def try_create_agent(config): 61 return FakeAgent() 62 63 def add_options(parser): 64 options = optparse.OptionGroup(parser, 'Fake options.') 65 return options 66 67 # pylint: disable=unused-argument 68 def get_config(options): 69 return FakeConfig() 70
