def test_bad_data(self): """ Ensure that bad data is skipped when it exists. """ # the first useful record in this file is corrupted and will be ignored # we expect to get the metadata particle with the # timestamp from the 2nd data record and all of the valid engineering # data records file_path = os.path.join(RESOURCE_PATH, '11079364_BAD_WC_SBE.txt') stream_handle = open(file_path, 'r') log.info(self.exception_callback_value) parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_RECOVERED), stream_handle, self.exception_callback) parser.get_records(20) self.assert_( isinstance(self.exception_callback_value[0], RecoverableSampleException)) stream_handle.close()
def test_simple_telem(self): """ Read test data and pull out data particles Assert that the results are those we expected. """ file_path = os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt') stream_handle = open(file_path, 'r') # Note: since the recovered and telemetered parser and particles are common # to each other, testing one is sufficient, will be completely tested # in driver tests parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_TELEMETERED), stream_handle, self.exception_callback) particles = parser.get_records(20) log.debug("*** test_simple Num particles %s", len(particles)) self.assert_particles(particles, '11079364_WC_SBE_telem.yml', RESOURCE_PATH) # check the first particle, which should be the metadata particle (recovered) stream_handle.close()
def test_get_many(self): """ Read test data and pull out multiple data particles at one time. Assert that the results are those we expected. """ file_path = os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt') stream_handle = open(file_path, 'r') # Note: since the recovered and telemetered parser and particles are common # to each other, testing one is sufficient, will be completely tested # in driver tests parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_TELEMETERED), None, stream_handle, self.state_callback, self.pub_callback, self.exception_callback) # try to get 2000 particles, there are more data records in the file # so should get 2000 including the meta data particles = parser.get_records(2000) log.debug("*** test_get_many Num particles %s", len(particles)) self.assertEqual(len(particles), 2000) stream_handle.close()
def test_simple(self): """ Read test data and pull out data particles Assert that the results are those we expected. """ file_path = os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt') stream_handle = open(file_path, 'r') # Note: since the recovered and telemetered parser and particles are common # to each other, testing one is sufficient, will be completely tested # in driver tests parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_RECOVERED), None, stream_handle, self.state_callback, self.pub_callback, self.exception_callback) particles = parser.get_records(20) log.debug("*** test_simple Num particles %s", len(particles)) # check the first particle, which should be the metadata particle (recovered) test_data = self.get_dict_from_yml('11079364_WC_SBE_recov.yml') # # # check all the values against expected results. for i in range(len(particles)): self.assert_result(test_data['data'][i], particles[i]) stream_handle.close()
def _build_parser(self, stream_handle): parser_config = { DataSetDriverConfigKeys.PARTICLE_CLASS: None, DataSetDriverConfigKeys.PARTICLE_CLASSES_DICT: { METADATA_PARTICLE_CLASS_KEY: WcSbeMetadataTelemeteredDataParticle, DATA_PARTICLE_CLASS_KEY: WcSbeEngTelemeteredDataParticle } } parser = WcSbeCsppParser(parser_config, stream_handle, self._exception_callback) return parser
def test_mid_state_start(self): """ This test makes sure that we retrieve the correct particles upon starting with an offset state. """ file_path = os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt') stream_handle = open(file_path, 'r') # position 618 is the end of the 12th data record, which would have produced the # metadata particle and the first 12 engineering particles initial_state = { StateKey.POSITION: 618, StateKey.METADATA_EXTRACTED: True } parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_RECOVERED), initial_state, stream_handle, self.state_callback, self.pub_callback, self.exception_callback) #expect to get the 14th and 15th engineering particles next particles = parser.get_records(2) log.debug("Num particles: %s", len(particles)) self.assertTrue(len(particles) == 2) expected_results = self.get_dict_from_yml('11079364_WC_SBE_recov.yml') # skip the first 8 particles in the yml file due to mid state start offset = 13 for i in range(len(particles)): self.assert_result(expected_results['data'][i + offset], particles[i]) # now expect the state to be the end of the 9th data record and metadata sent the_new_state = { StateKey.POSITION: 680, StateKey.METADATA_EXTRACTED: True } log.debug("********** expected state: %s", the_new_state) log.debug("******** new parser state: %s", parser._state) self.assertTrue(parser._state == the_new_state) stream_handle.close()
def create_yml(self): """ This utility creates a yml file Be sure to verify the results by eye before trusting! """ fid = open(os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt'), 'r') stream_handle = fid parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_RECOVERED), None, stream_handle, self.state_callback, self.pub_callback, self.exception_callback) particles = parser.get_records(20) self.particle_to_yml(particles, '11079364_WC_SBE_recov.yml') fid.close()
def test_set_state(self): """ Test changing to a new state after initializing the parser and reading data, as if new data has been found and the state has changed """ file_path = os.path.join(RESOURCE_PATH, '11079364_WC_SBE.txt') stream_handle = open(file_path, 'r') expected_results = self.get_dict_from_yml('11079364_WC_SBE_recov.yml') parser = WcSbeCsppParser( self.config.get(WcSbeDataTypeKey.WC_SBE_CSPP_RECOVERED), None, stream_handle, self.state_callback, self.pub_callback, self.exception_callback) particles = parser.get_records(2) log.debug("Num particles: %s", len(particles)) self.assertTrue(len(particles) == 2) for i in range(len(particles)): self.assert_result(expected_results['data'][i], particles[i]) # position 587 is the byte at the start of the 12th data record new_state = {StateKey.POSITION: 587, StateKey.METADATA_EXTRACTED: True} parser.set_state(new_state) particles = parser.get_records(2) self.assertTrue(len(particles) == 2) # offset in the expected results offset = 12 for i in range(len(particles)): self.assert_result(expected_results['data'][i + offset], particles[i]) stream_handle.close()