def test_trace(tmp_path):
call_graph = CallGraph()
setup = Setup()
trace_controller = TraceController()
with create_test_binary(tmp_path) as app:
setup.initialize_binary(app)
setup.setup_function_to_trace(app, 'func1')
setup.setup_function_to_trace(app, 'func2')
setup.setup_function_to_trace(app, 'func3')
setup.add_parameter(app, 'func1', '1', '%s')
setup.add_parameter(app, 'func1', '2', '%s')
setup.add_parameter(app, 'func2', '1', '%d')
trace_controller.start_trace(setup.generate_bcc_args(),
call_graph) # start monitoring
time.sleep(5) # BCC trace needs a bit of time to setup
subprocess.run(app) # run monitored application
trace_controller.stop_trace() # stop
edges = convert_edges_to_cytoscape_format(call_graph.get_nodes(),
call_graph.get_edges())
nodes = convert_nodes_to_cytoscape_format(call_graph.get_nodes(),
call_graph.get_edges())
assert_results(nodes, edges)
def test_setup_function_to_trace_with_mangled_name(self):
setup = Setup()
setup._setup = dummy_setup()
setup.setup_function_to_trace('app1', 'mangledfunc1')
expected = {
'app1': {
'func1': {
'traced': True,
'parameters': {},
'mangled': 'mangledfunc1'
},
'func3': {
'traced': False,
'parameters': {},
'mangled': 'mangledfunc3'
}
},
'app2': {
'func2': {
'traced': False,
'parameters': {},
'mangled': 'mangledfunc2'
},
}
}
self.assertEqual(setup._setup, expected)
def test_remove_function_from_trace_with_mangled_name(self):
setup = Setup()
setup._setup = dummy_setup()
setup.setup_function_to_trace('app1', 'func1')
setup.remove_function_from_trace('app1', 'mangledfunc1')
self.assertEqual(setup._setup, dummy_setup())
def test_remove_function_from_trace_with_mangled_name(self, get_offset_for_function):
setup = Setup()
setup._setup = dummy_setup()
setup.setup_function_to_trace('app1', 'func1')
setup.remove_function_from_trace('app1', 'mangledfunc1')
expected_setup = dummy_setup()
expected_setup['app1']['func1']['offset'] = 8
self.assertEqual(setup._setup, expected_setup)
def test_setup_function_to_trace_with_demangled_name(self, get_offset_for_function):
setup = Setup()
setup._setup = dummy_setup()
setup.setup_function_to_trace('app1', 'func1')
expected = {
'app1': {
'func1': {'traced': True, 'parameters': {}, 'mangled': 'mangledfunc1', 'offset': 8},
'func3': {'traced': False, 'parameters': {}, 'mangled': 'mangledfunc3', 'offset': 0}
},
'app2': {
'func2': {'traced': False, 'parameters': {}, 'mangled': 'mangledfunc2', 'offset': 0}
}
}
self.assertEqual(setup._setup, expected)
def test_setup_function_to_trace_raises_error_if_function_not_exists(self):
setup = Setup()
setup._setup = dummy_setup()
with self.assertRaises(FunctionNotInBinaryError):
setup.setup_function_to_trace('app1', 'func4')