def testExceptionInWriteRecordData(self):
observer = CallTrace(emptyGeneratorMethods=['additionalDiagnosticDetails'])
def retrieveData(**kwargs):
raise Exception("Test Exception")
yield
observer.methods["retrieveData"] = retrieveData
component = SruHandler()
component.addObserver(observer)
result = "".join(list(compose(component._writeRecordData(recordPacking="string", recordSchema="schema", recordId="ID"))))
self.assertTrue("<uri>info://srw/diagnostics/1/1</uri>" in result)
self.assertTrue("<message>General System Error</message>" in result)
self.assertTrue("<details>Test Exception</details>" in result)
