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_WM.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 = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_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_WM.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 = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_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))
test_data = self.get_dict_from_yml('11079364_WC_WM_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 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_WM.txt'), 'rU')
stream_handle = fid
parser = WcWmCsppParser(
self.config.get(WcWmDataTypeKey.WC_WM_CSPP_RECOVERED),
stream_handle, self.exception_callback)
particles = parser.get_records(20)
self.particle_to_yml(particles, '11079364_WC_WM_recov.yml')
fid.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_WM.txt')
stream_handle = open(file_path, 'rU')
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_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_WM_telem.yml', RESOURCE_PATH)
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_WM.txt'), 'rU')
stream_handle = fid
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_CSPP_RECOVERED),
stream_handle,
self.exception_callback)
particles = parser.get_records(20)
self.particle_to_yml(particles, '11079364_WC_WM_recov.yml')
fid.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_WM.txt')
stream_handle = open(file_path, 'rU')
parser = WcWmCsppParser(
self.config.get(WcWmDataTypeKey.WC_WM_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_WM_telem.yml',
RESOURCE_PATH)
def test_bad_data(self):
"""
Ensure that bad data is skipped when it exists.
"""
# the 4th data record in this file are corrupted and will be ignored
file_path = os.path.join(RESOURCE_PATH, '11079364_BAD_WC_WM.txt')
stream_handle = open(file_path, 'rU')
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_CSPP_RECOVERED),
stream_handle,
self.exception_callback)
parser.get_records(20)
# log.info('##Exception value %s', self.exception_callback_value)
self.assert_(isinstance(self.exception_callback_value[0], RecoverableSampleException))
stream_handle.close()
def test_bad_data(self):
"""
Ensure that bad data is skipped when it exists.
"""
# the 4th data record in this file are corrupted and will be ignored
file_path = os.path.join(RESOURCE_PATH, '11079364_BAD_WC_WM.txt')
stream_handle = open(file_path, 'r')
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_CSPP_RECOVERED),
None, stream_handle,
self.state_callback, self.pub_callback,
self.exception_callback)
particles = parser.get_records(20)
# log.info('##Exception value %s', self.exception_callback_value)
self.assert_(isinstance(self.exception_callback_value, RecoverableSampleException))
stream_handle.close()
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_WM.txt')
stream_handle = open(file_path, 'r')
# position 1445 is the end of the 15th data record, which would have produced the
# metadata particle and the first 15 engineering particles
initial_state = {StateKey.POSITION: 1445, StateKey.METADATA_EXTRACTED: True}
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_CSPP_RECOVERED),
initial_state, stream_handle,
self.state_callback, self.pub_callback,
self.exception_callback)
#expect to get the 16th and 17th 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_WM_recov.yml')
# skip the first 16 particles in the yml file due to mid state start
offset = 16
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 17th data record and metadata sent
the_new_state = {StateKey.POSITION: 1591, 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 _build_parser(self, stream_handle):
parser_config = {
DataSetDriverConfigKeys.PARTICLE_CLASS: None,
DataSetDriverConfigKeys.PARTICLE_CLASSES_DICT: {
METADATA_PARTICLE_CLASS_KEY: WcWmMetadataRecoveredDataParticle,
DATA_PARTICLE_CLASS_KEY: WcWmEngRecoveredDataParticle
}
}
parser = WcWmCsppParser(parser_config, stream_handle,
self._exception_callback)
return parser
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_WM.txt')
stream_handle = open(file_path, 'r')
# 11079419_PPB_OCR_20.yml has the metadata and the first 19
# engineering particles in it
expected_results = self.get_dict_from_yml('11079364_WC_WM_recov.yml')
parser = WcWmCsppParser(self.config.get(WcWmDataTypeKey.WC_WM_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 935 is the byte at the start of the 9th data record
new_state = {StateKey.POSITION: 935, 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 = 9
for i in range(len(particles)):
self.assert_result(expected_results['data'][i + offset], particles[i])
stream_handle.close()
