134 lines
10 KiB
Python
134 lines
10 KiB
Python
import unittest
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import obspy
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from obspy import UTCDateTime
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import os
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import sys
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from pylot.core.pick.autopick import autopickstation
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from pylot.core.io.inputs import PylotParameter
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from pylot.core.io.data import Data
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from pylot.core.util.utils import trim_station_components
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class HidePrints:
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"""
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Used to hide all standard output the Function to be tested have, since it clutters the test results.
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"""
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def __enter__(self):
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self._original_stdout = sys.stdout
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devnull = open(os.devnull, "w")
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sys.stdout = devnull
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def __exit__(self, exc_type, exc_val, exc_tb):
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sys.stdout = self._original_stdout
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class MockParser:
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@staticmethod
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def get_coordinates(station_id):
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"""
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Mocks the method get_coordinates from obspy.io.xseed.parser.Parser object
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to avoid building a parser for the unit tests
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:param station_id: 'GR.GRA1..LHZ' or similar
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:type station_id: str
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:return: dictionary containing azimuth, dip, elevation, latitude, longitude,
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local depth as keys
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:rtype: dict
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>>>MockParser.get_coordinates('GR.GRA2')
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{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}
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"""
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station_names = ['GR.GRA1', 'GR.GRA2', 'G.ECH']
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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}
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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}
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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}
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coordinates = [gra1, gra2, ech]
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for index, name in enumerate(station_names):
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if station_id.startswith(name):
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return coordinates[index]
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class TestAutopickStation(unittest.TestCase):
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"""
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Test the autopickstation function as if it were called from GUI.
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Three stations (GR.GRA1, GR.GRA2, G.ECH) are tested with and without TauPy respectively
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"""
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def setUp(self):
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self.event_id = 'e0001.024.16'
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# Create wfstream for picking
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mseed_relative_path = os.path.join(self.event_id, '*.mseed')
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self.wfstream = obspy.read(mseed_relative_path)
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# trim waveform to get the same results as the GUI call
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with HidePrints():
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self.wfstream = trim_station_components(self.wfstream, trim_start=True, trim_end=False)
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self.gra1 = self.wfstream.select(station='GRA1')
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self.gra2 = self.wfstream.select(station='GRA2')
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self.ech = self.wfstream.select(station='ECH')
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# Create input parameter container
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self.inputfile_taupy_enabled = 'autoPyLoT_global_taupy_true.in'
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self.inputfile_taupy_disabled = 'autoPyLoT_global_taupy_false.in'
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self.pickparam_taupy_enabled = PylotParameter(fnin=self.inputfile_taupy_enabled)
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self.pickparam_taupy_disabled = PylotParameter(fnin=self.inputfile_taupy_disabled)
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self.current_directory = os.getcwd()
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self.data = Data(evtdata=os.path.join(self.current_directory+'/'+self.event_id, 'PyLoT_'+self.event_id+'.xml'))
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# create origin for taupy testing
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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"))]
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# mocking metadata since reading it takes a long time to read from file
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self.metadata = ('dless', MockParser())
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@staticmethod
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def construct_error_message(station_id, taupy_status, expected, got):
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error_message = """Difference in auto picks for station {station_id} with taupy {status}.\n
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Expeceted: {exp}\n
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Got: {got}\n""".format(station_id=station_id, status='enabled' if taupy_status else 'disabled', exp=expected, got=got)
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return error_message
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def test_autopickstation_taupy_disabled_gra1(self):
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.gra1, pickparam=self.pickparam_taupy_disabled, metadata=(None, None))
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error_message = self.construct_error_message('GR.GRA1', False, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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def test_autopickstation_taupy_enabled_gra1(self):
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.gra1, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin=self.origin)
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error_message = self.construct_error_message('GR.GRA1', True, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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def test_autopickstation_taupy_disabled_gra2(self):
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.gra2, pickparam=self.pickparam_taupy_disabled, metadata=(None, None))
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error_message = self.construct_error_message('GR.GRA2', False, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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def test_autopickstation_taupy_enabled_gra2(self):
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.gra2, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin = self.origin)
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error_message = self.construct_error_message('GR.GRA2', True, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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def test_autopickstation_taupy_disabled_ech(self):
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.ech, pickparam=self.pickparam_taupy_disabled)
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error_message = self.construct_error_message('G.ECH', False, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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def test_autopickstation_taupy_enabled_ech(self):
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# this station has a long time of before the first onset, so taupy will help during picking
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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'}
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with HidePrints():
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result = autopickstation(wfstream=self.ech, pickparam=self.pickparam_taupy_enabled, metadata=self.metadata, origin=self.origin)
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error_message = self.construct_error_message('G.ECH', True, expected, result)
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self.assertEqual(expected, result, msg=error_message)
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if __name__ == '__main__':
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unittest.main()
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