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from vtkmodules.vtkCommonCore import vtkCommand
class vtkErrorObserver(object):
def __init__(self):
self.CallDataType = 'string0'
self.reset()
def __call__(self, caller, event, data):
if event == 'ErrorEvent':
self._error_message = data
elif event == 'WarningEvent':
self._warning_message = data
def _check(self, seen, actual, expect, what):
if seen:
if actual.find(expect) == -1:
msg = 'ERROR: %s message does not contain "%s" got \n"%s"' \
% (what, expect, self.error_message)
raise RuntimeError(msg)
else:
what = what.lower()
msg = 'ERROR: Failed to catch any %s. ' \
'Expected the %s message to contain "%s"' \
% (what, what, expect)
raise RuntimeError(msg)
self.reset()
def check_error(self, expect):
self._check(self.saw_error, self.error_message, expect, 'Error')
def check_warning(self, expect):
self._check(self.saw_warning, self.warning_message, expect, 'Warning')
def reset(self):
self._error_message = None
self._warning_message = None
@property
def saw_error(self):
return self._error_message is not None
@property
def error_message(self):
return self._error_message
@property
def saw_warning(self):
return self._warning_message is not None
@property
def warning_message(self):
return self._warning_message
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