import unittest import obspy from obspy import UTCDateTime import os import sys from pylot.core.pick.autopick import autopickstation from pylot.core.io.inputs import PylotParameter from pylot.core.io.data import Data from pylot.core.util.utils import trim_station_components class HidePrints: """ Used to hide all standard output the Function to be tested have, since it clutters the test results. """ def __enter__(self): self._original_stdout = sys.stdout devnull = open(os.devnull, "w") sys.stdout = devnull def __exit__(self, exc_type, exc_val, exc_tb): sys.stdout = self._original_stdout class MockParser: @staticmethod def get_coordinates(station_id): """ Mocks the method get_coordinates from obspy.io.xseed.parser.Parser object to avoid building a parser for the unit tests :param station_id: 'GR.GRA1..LHZ' or similar :type station_id: str :return: dictionary containing azimuth, dip, elevation, latitude, longitude, local depth as keys :rtype: dict >>>MockParser.get_coordinates('GR.GRA2') {u'azimuth': 0.0, u'dip': -90.0, u'elevation': 512.0, u'latitude': 49.655208, u'local_depth': 0.0, u'longitude': 11.359444} """ station_names = ['GR.GRA1', 'GR.GRA2', 'G.ECH'] gra1 = {u'azimuth': 0.0, u'dip': -90.0, u'elevation': 499.5, u'latitude': 49.691888, u'local_depth': 0.0, u'longitude': 11.22172} gra2 = {u'azimuth': 0.0, u'dip': -90.0, u'elevation': 512.0, u'latitude': 49.655208, u'local_depth': 0.0, u'longitude': 11.359444} ech = {u'azimuth': 90.0, u'dip': 0.0, u'elevation': 580.0, u'latitude': 48.216313, u'local_depth': 250.0, u'longitude': 7.158961} coordinates = [gra1, gra2, ech] for index, name in enumerate(station_names): if station_id.startswith(name): return coordinates[index] class TestAutopickStation(unittest.TestCase): """ Test the autopickstation function as if it were called from GUI. Three stations (GR.GRA1, GR.GRA2, G.ECH) are tested with and without TauPy respectively """ def setUp(self): self.event_id = 'e0001.024.16' # Create wfstream for picking mseed_relative_path = os.path.join(self.event_id, '*.mseed') self.wfstream = obspy.read(mseed_relative_path) # trim waveform to get the same results as the GUI call with HidePrints(): self.wfstream = trim_station_components(self.wfstream, trim_start=True, trim_end=False) self.gra1 = self.wfstream.select(station='GRA1') self.gra2 = self.wfstream.select(station='GRA2') self.ech = self.wfstream.select(station='ECH') # Create input parameter container self.inputfile_taupy_enabled = 'autoPyLoT_global_taupy_true.in' self.inputfile_taupy_disabled = 'autoPyLoT_global_taupy_false.in' self.pickparam_taupy_enabled = PylotParameter(fnin=self.inputfile_taupy_enabled) self.pickparam_taupy_disabled = PylotParameter(fnin=self.inputfile_taupy_disabled) self.current_directory = os.getcwd() self.data = Data(evtdata=os.path.join(self.current_directory+'/'+self.event_id, 'PyLoT_'+self.event_id+'.xml')) # create origin for taupy testing self.origin = [obspy.core.event.origin.Origin(magnitude=7.1, latitude=59.66, longitude=-153.45, depth=128.0, time=UTCDateTime("2016-01-24T10:30:30.0"))] # mocking metadata since reading it takes a long time to read from file self.metadata = ('dless', MockParser()) @staticmethod def construct_error_message(station_id, taupy_status, expected, got): error_message = """Difference in auto picks for station {station_id} with taupy {status}.\n Expeceted: {exp}\n Got: {got}\n""".format(station_id=station_id, status='enabled' if taupy_status else 'disabled', exp=expected, got=got) return error_message def test_autopickstation_taupy_disabled_gra1(self): expected = {'P': {'picker': 'auto', 'snrdb': 15.405649120980094, 'weight': 0, 'Mo': None, 'marked': [], 'Mw': None, 'fc': None, 'snr': 34.718816470730317, 'mpp': UTCDateTime(2016, 1, 24, 10, 41, 31, 690000), 'w0': None, 'spe': 0.93333333333333235, 'network': u'GR', 'epp': UTCDateTime(2016, 1, 24, 10, 41, 28, 890000), 'lpp': UTCDateTime(2016, 1, 24, 10, 41, 32, 690000), 'fm': 'D', 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': 10.669661906545489, 'network': u'GR', 'weight': 0, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 50, 30, 690000), 'snr': 11.667187857573905, 'epp': UTCDateTime(2016, 1, 24, 10, 50, 21, 690000), 'mpp': UTCDateTime(2016, 1, 24, 10, 50, 29, 690000), 'fm': None, 'spe': 2.6666666666666665, 'channel': u'LHE'}, 'station': u'GRA1'} with HidePrints(): result = autopickstation(wfstream=self.gra1, pickparam=self.pickparam_taupy_disabled, metadata=(None, None)) error_message = self.construct_error_message('GR.GRA1', False, expected, result) self.assertEqual(expected, result, msg=error_message) def test_autopickstation_taupy_enabled_gra1(self): expected = {'P': {'picker': 'auto', 'snrdb': 15.405649120980094, 'weight': 0, 'Mo': None, 'marked': [], 'Mw': None, 'fc': None, 'snr': 34.718816470730317, 'mpp': UTCDateTime(2016, 1, 24, 10, 41, 31, 690000), 'w0': None, 'spe': 0.93333333333333235, 'network': u'GR', 'epp': UTCDateTime(2016, 1, 24, 10, 41, 28, 890000), 'lpp': UTCDateTime(2016, 1, 24, 10, 41, 32, 690000), 'fm': 'D', 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': 10.669661906545489, 'network': u'GR', 'weight': 0, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 50, 30, 690000), 'snr': 11.667187857573905, 'epp': UTCDateTime(2016, 1, 24, 10, 50, 21, 690000), 'mpp': UTCDateTime(2016, 1, 24, 10, 50, 29, 690000), 'fm': None, 'spe': 2.6666666666666665, 'channel': u'LHE'}, 'station': u'GRA1'} with HidePrints(): result = autopickstation(wfstream=self.gra1, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin=self.origin) error_message = self.construct_error_message('GR.GRA1', True, expected, result) self.assertEqual(expected, result, msg=error_message) def test_autopickstation_taupy_disabled_gra2(self): expected = {'P': {'picker': 'auto', 'snrdb': None, 'weight': 9, 'Mo': None, 'marked': 'shortsignallength', 'Mw': None, 'fc': None, 'snr': None, 'mpp': UTCDateTime(2016, 1, 24, 10, 36, 59, 150000), 'w0': None, 'spe': None, 'network': u'GR', 'epp': UTCDateTime(2016, 1, 24, 10, 36, 43, 150000), 'lpp': UTCDateTime(2016, 1, 24, 10, 37, 15, 150000), 'fm': 'N', 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': None, 'network': u'GR', 'weight': 4, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 37, 15, 150000), 'snr': None, 'epp': UTCDateTime(2016, 1, 24, 10, 36, 43, 150000), 'mpp': UTCDateTime(2016, 1, 24, 10, 36, 59, 150000), 'fm': None, 'spe': None, 'channel': u'LHE'}, 'station': u'GRA2'} with HidePrints(): result = autopickstation(wfstream=self.gra2, pickparam=self.pickparam_taupy_disabled, metadata=(None, None)) error_message = self.construct_error_message('GR.GRA2', False, expected, result) self.assertEqual(expected, result, msg=error_message) def test_autopickstation_taupy_enabled_gra2(self): expected = {'P': {'picker': 'auto', 'snrdb': 13.957959025719253, 'weight': 0, 'Mo': None, 'marked': [], 'Mw': None, 'fc': None, 'snr': 24.876879503607871, 'mpp': UTCDateTime(2016, 1, 24, 10, 41, 29, 150000), 'w0': None, 'spe': 1.0, 'network': u'GR', 'epp': UTCDateTime(2016, 1, 24, 10, 41, 26, 150000), 'lpp': UTCDateTime(2016, 1, 24, 10, 41, 30, 150000), 'fm': None, 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': 10.573236990555648, 'network': u'GR', 'weight': 1, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 50, 34, 150000), 'snr': 11.410999834108294, 'epp': UTCDateTime(2016, 1, 24, 10, 50, 21, 150000), 'mpp': UTCDateTime(2016, 1, 24, 10, 50, 33, 150000), 'fm': None, 'spe': 4.666666666666667, 'channel': u'LHE'}, 'station': u'GRA2'} with HidePrints(): result = autopickstation(wfstream=self.gra2, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin = self.origin) error_message = self.construct_error_message('GR.GRA2', True, expected, result) self.assertEqual(expected, result, msg=error_message) def test_autopickstation_taupy_disabled_ech(self): expected = {'P': {'picker': 'auto', 'snrdb': None, 'weight': 9, 'Mo': None, 'marked': 'SinsteadP', 'Mw': None, 'fc': None, 'snr': None, 'mpp': UTCDateTime(2016, 1, 24, 10, 26, 57), 'w0': None, 'spe': None, 'network': u'G', 'epp': UTCDateTime(2016, 1, 24, 10, 26, 41), 'lpp': UTCDateTime(2016, 1, 24, 10, 27, 13), 'fm': 'N', 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': None, 'network': u'G', 'weight': 4, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 27, 13), 'snr': None, 'epp': UTCDateTime(2016, 1, 24, 10, 26, 41), 'mpp': UTCDateTime(2016, 1, 24, 10, 26, 57), 'fm': None, 'spe': None, 'channel': u'LHE'}, 'station': u'ECH'} with HidePrints(): result = autopickstation(wfstream=self.ech, pickparam=self.pickparam_taupy_disabled) error_message = self.construct_error_message('G.ECH', False, expected, result) self.assertEqual(expected, result, msg=error_message) def test_autopickstation_taupy_enabled_ech(self): # this station has a long time of before the first onset, so taupy will help during picking expected = {'P': {'picker': 'auto', 'snrdb': 9.9753586609166316, 'weight': 0, 'Mo': None, 'marked': [], 'Mw': None, 'fc': None, 'snr': 9.9434218804137107, 'mpp': UTCDateTime(2016, 1, 24, 10, 41, 34), 'w0': None, 'spe': 1.6666666666666667, 'network': u'G', 'epp': UTCDateTime(2016, 1, 24, 10, 41, 29), 'lpp': UTCDateTime(2016, 1, 24, 10, 41, 35), 'fm': None, 'channel': u'LHZ'}, 'S': {'picker': 'auto', 'snrdb': 12.698999454169567, 'network': u'G', 'weight': 0, 'Ao': None, 'lpp': UTCDateTime(2016, 1, 24, 10, 50, 44), 'snr': 18.616581906366577, 'epp': UTCDateTime(2016, 1, 24, 10, 50, 33), 'mpp': UTCDateTime(2016, 1, 24, 10, 50, 43), 'fm': None, 'spe': 3.3333333333333335, 'channel': u'LHE'}, 'station': u'ECH'} with HidePrints(): result = autopickstation(wfstream=self.ech, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin=self.origin) error_message = self.construct_error_message('G.ECH', True, expected, result) self.assertEqual(expected, result, msg=error_message) if __name__ == '__main__': unittest.main()