/
test_core.py
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/
test_core.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
The obspy.io.kinemetrics.core test suite.
"""
from __future__ import (absolute_import, division, print_function,
unicode_literals)
from future.builtins import * # NOQA
import io
import os
import unittest
import numpy as np
from obspy import read
from obspy.core.utcdatetime import UTCDateTime
from obspy.io.kinemetrics.core import is_evt, read_evt
class CoreTestCase(unittest.TestCase):
"""
Test cases for kinemetrics core interface
"""
def setUp(self):
# directory where the test files are located
self.path = os.path.join(os.path.dirname(__file__), 'data')
def test_is_evt(self):
"""
Test for the is_evt() function.
"""
valid_files = [os.path.join(self.path, "BI008_MEMA-04823.evt"),
os.path.join(self.path, "BX456_MOLA-02351.evt")]
invalid_files = [os.path.join(self.path, "NOUTF8.evt")]
py_dir = os.path.join(self.path, os.pardir, os.pardir)
for filename in os.listdir(py_dir):
if filename.endswith(".py"):
invalid_files.append(
os.path.abspath(os.path.join(py_dir, filename)))
self.assertGreater(len(invalid_files), 0)
for filename in valid_files:
self.assertTrue(is_evt(filename))
for filename in invalid_files:
self.assertFalse(is_evt(filename))
def test_is_evt_from_bytesio(self):
"""
Test for the is_evt() function from BytesIO objects.
"""
valid_files = [os.path.join(self.path, "BI008_MEMA-04823.evt"),
os.path.join(self.path, "BX456_MOLA-02351.evt")]
invalid_files = [os.path.join(self.path, "NOUTF8.evt")]
py_dir = os.path.join(self.path, os.pardir, os.pardir)
for filename in os.listdir(py_dir):
if filename.endswith(".py"):
invalid_files.append(
os.path.abspath(os.path.join(py_dir, filename)))
for filename in valid_files:
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
self.assertTrue(is_evt(buf))
# The is_evt() method should not change the file pointer.
self.assertEqual(buf.tell(), 0)
for filename in invalid_files:
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
self.assertFalse(is_evt(buf))
# The is_evt() method should not change the file pointer.
self.assertEqual(buf.tell(), 0)
def test_read_via_obspy(self):
"""
Read files via obspy.core.stream.read function.
"""
filename = os.path.join(self.path, 'BI008_MEMA-04823.evt')
# 1
st = read(filename)
st.verify()
self.assertEqual(len(st), 3)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(len(st[0]), 230 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MEMA')
self.verify_stats_evt(st[0].stats.kinemetrics_evt)
self.verify_data_evt0(st[0].data)
self.verify_data_evt2(st[2].data)
# 2
filename = os.path.join(self.path, 'BX456_MOLA-02351.evt')
st = read(filename)
st.verify()
self.assertEqual(len(st), 6)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[3].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[4].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[5].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(len(st[0]), 390 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MOLA')
def test_reading_via_obspy_and_bytesio(self):
"""
Test the reading of Evt files from BytesIO objects.
"""
# 1
filename = os.path.join(self.path, 'BI008_MEMA-04823.evt')
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
st = read(buf)
st.verify()
self.assertEqual(len(st), 3)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(len(st[0]), 230 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MEMA')
self.verify_stats_evt(st[0].stats.kinemetrics_evt)
self.verify_data_evt0(st[0].data)
self.verify_data_evt2(st[2].data)
# 2
filename = os.path.join(self.path, 'BX456_MOLA-02351.evt')
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
st = read(buf)
st.verify()
self.assertEqual(len(st), 6)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[3].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[4].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[5].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(len(st[0]), 390 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MOLA')
def test_read_via_module(self):
"""
Read files via obspy.io.kinemetrics.core.read_evt function.
"""
filename = os.path.join(self.path, 'BI008_MEMA-04823.evt')
# 1
st = read_evt(filename)
st.verify()
self.assertEqual(len(st), 3)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(len(st[0]), 230 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MEMA')
self.verify_stats_evt(st[0].stats.kinemetrics_evt)
self.verify_data_evt0(st[0].data)
self.verify_data_evt2(st[2].data)
# 2
filename = os.path.join(self.path, 'BX456_MOLA-02351.evt')
st = read_evt(filename)
st.verify()
self.assertEqual(len(st), 6)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[3].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[4].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[5].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(len(st[0]), 390 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MOLA')
def test_read_via_module_and_bytesio(self):
"""
Read files via obspy.io.kinemetrics.core.read_evt function from BytesIO
objects.
"""
# 1
filename = os.path.join(self.path, 'BI008_MEMA-04823.evt')
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
st = read_evt(buf)
st.verify()
self.assertEqual(len(st), 3)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2013-08-15T09:20:28.000000Z'))
self.assertEqual(len(st[0]), 230 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MEMA')
self.verify_stats_evt(st[0].stats.kinemetrics_evt)
self.verify_data_evt0(st[0].data)
self.verify_data_evt2(st[2].data)
# 2
filename = os.path.join(self.path, 'BX456_MOLA-02351.evt')
with open(filename, "rb") as fh:
buf = io.BytesIO(fh.read())
buf.seek(0, 0)
st = read_evt(buf)
st.verify()
self.assertEqual(len(st), 6)
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[1].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[2].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[3].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[4].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(st[5].stats.starttime,
UTCDateTime('2012-01-17T09:54:36.000000Z'))
self.assertEqual(len(st[0]), 390 * 25)
self.assertAlmostEqual(st[0].stats.sampling_rate, 250.0)
self.assertEqual(st[0].stats.channel, '0')
self.assertEqual(st[0].stats.station, 'MOLA')
def verify_stats_evt(self, evt_stats):
dico = {'chan_fullscale': 2.5, 'chan_sensorgain': 1,
'chan_calcoil': 0.0500, 'chan_damping': 0.7070,
'chan_natfreq': 196.00,
'latitude': 50.609795, 'longitude': 6.009250,
'elevation': 298}
# Values from Kinemetrics QLWin program for BI008_MEMA-04823.evt
for key in dico:
self.assertAlmostEqual(dico[key], evt_stats[key], 6)
self.assertEqual(UTCDateTime(2013, 8, 15, 9, 20, 28),
evt_stats['starttime'])
def verify_data_evt0(self, data):
valuesdeb = np.array([-2.4464752525e-002, -2.4534918368e-002,
-2.4467090145e-002, -2.4511529133e-002,
-2.4478785694e-002, -2.4483462796e-002,
-2.4434346706e-002, -2.4504512548e-002,
-2.4527901784e-002, -2.4455396459e-002,
-2.4509189650e-002, -2.4478785694e-002,
-2.4541934952e-002, -2.4497495964e-002,
-2.4448379874e-002, -2.4502173066e-002,
-2.4420313537e-002, -2.4455396459e-002,
-2.4546612054e-002, -2.4509189650e-002])
valuesend = np.array([-2.4488139898e-002, -2.4530241266e-002,
-2.4525562301e-002, -2.4506852031e-002,
-2.4424990639e-002])
# Data values from Tsoft Program
self.assertEqual(len(data), 5750)
self.assertTrue(np.allclose(valuesdeb, data[:len(valuesdeb)]))
self.assertTrue(np.allclose(valuesend, data[-len(valuesend):]))
def verify_data_evt2(self, data):
valuesdeb = np.array([-4.4351171702e-002, -4.4479820877e-002,
-4.4447075576e-002, -4.4367544353e-002,
-4.4402632862e-002, -4.4386260211e-002,
-4.4360529631e-002, -4.4440057129e-002,
-4.4411987066e-002, -4.4395614415e-002,
-4.4421344995e-002, -4.4433038682e-002,
-4.4442396611e-002, -4.4423684478e-002,
-4.4428363442e-002, -4.4419005513e-002,
-4.4388595968e-002, -4.4360529631e-002,
-4.4358190149e-002, -4.4362869114e-002])
valuesend = np.array([-4.4538296759e-002, -4.4549994171e-002,
-4.4493857771e-002, -4.4451754540e-002,
-4.4409647584e-002])
# Data values from Tsoft Program
# length is 5750
self.assertEqual(len(data), 5750)
self.assertTrue(np.allclose(valuesdeb, data[:len(valuesdeb)]))
self.assertTrue(np.allclose(valuesend, data[-len(valuesend):]))
def suite():
return unittest.makeSuite(CoreTestCase, 'test')
if __name__ == '__main__':
unittest.main(defaultTest='suite')