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test_client.py
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test_client.py
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# -*- coding: utf-8 -*-
from __future__ import (absolute_import, division, print_function,
unicode_literals)
from future.builtins import * # NOQA
import os
import unittest
import numpy as np
from obspy.core.preview import create_preview
from obspy.core.trace import Trace
from obspy.core.utcdatetime import UTCDateTime
from obspy.db.client import Client
from obspy.db.db import WaveformChannel, WaveformFile, WaveformPath
class ClientTestCase(unittest.TestCase):
"""
Test suite for obspy.db.client.
"""
@classmethod
def setUpClass(cls):
# Create a in memory database only once for test suite
url = 'sqlite:///:memory:'
cls.client = Client(url)
# add paths
session = cls.client.session()
path1 = WaveformPath({'path': '/path/to/1'})
path2 = WaveformPath({'path': '/path/to/2'})
session.add_all([path1, path2])
# add files
file1 = WaveformFile(
{'file': 'file_001.mseed', 'size': 2000,
'mtime': UTCDateTime('20120101').timestamp, 'format': 'MSEED'})
file2 = WaveformFile(
{'file': 'file_002.mseed', 'size': 2000,
'mtime': UTCDateTime('20120102').timestamp, 'format': 'MSEED'})
file3 = WaveformFile(
{'file': 'file_001.gse2', 'size': 2000,
'mtime': UTCDateTime('20120102').timestamp, 'format': 'GSE2'})
path1.files.append(file1)
path1.files.append(file2)
path2.files.append(file3)
session.add_all([file1, file2, file3])
# add channels
channel1 = WaveformChannel(
{'network': 'BW', 'station': 'MANZ',
'location': '', 'channel': 'EHZ',
'starttime':
UTCDateTime('2012-01-01 00:00:00.000000').datetime,
'endtime': UTCDateTime('2012-01-01 23:59:59.999999').datetime,
'npts': 3000, 'sampling_rate': 100.0})
channel2 = WaveformChannel(
{'network': 'BW', 'station': 'MANZ',
'location': '', 'channel': 'EHZ',
'starttime':
UTCDateTime('2012-01-02 01:00:00.000000').datetime,
'endtime':
UTCDateTime('2012-01-02 23:59:59.999999').datetime,
'npts': 3000,
'sampling_rate': 100.0})
# create a channel with preview
header = {'network': 'GE', 'station': 'FUR',
'location': '00', 'channel': 'BHZ',
'starttime': UTCDateTime('2012-01-01 00:00:00.000000'),
'sampling_rate': 100.0}
# linear trend
data = np.linspace(0, 1, 3000000)
# some peaks
data[20000] = 15
data[20001] = -15
data[1000000] = 22
data[1000001] = -22
data[2000000] = 14
data[2000001] = -14
tr = Trace(data=data, header=header)
cls.preview = create_preview(tr, 30).data
header = dict(tr.stats)
header['starttime'] = tr.stats.starttime.datetime
header['endtime'] = tr.stats.endtime.datetime
channel3 = WaveformChannel(header)
channel3.preview = cls.preview.dumps()
file1.channels.append(channel1)
file2.channels.append(channel2)
file3.channels.append(channel3)
session.add_all([channel1, channel2, channel3])
session.commit()
session.close()
def test_get_network_ids(self):
"""
Tests for method getNetworkIds.
"""
data = self.client.get_network_ids()
self.assertEqual(len(data), 2)
self.assertIn('BW', data)
self.assertIn('GE', data)
def test_get_station_ids(self):
"""
Tests for method get_station_ids.
"""
# 1 - all
data = self.client.get_station_ids()
self.assertEqual(len(data), 2)
self.assertIn('MANZ', data)
self.assertIn('FUR', data)
# 2 - BW network
data = self.client.get_station_ids(network='BW')
self.assertEqual(len(data), 1)
self.assertIn('MANZ', data)
# 3 - not existing network
data = self.client.get_station_ids(network='XX')
self.assertEqual(len(data), 0)
def test_get_location_ids(self):
"""
Tests for method get_location_ids.
"""
data = self.client.get_location_ids()
self.assertEqual(len(data), 2)
self.assertIn('', data)
self.assertIn('00', data)
# 2 - BW network
data = self.client.get_location_ids(network='BW')
self.assertEqual(len(data), 1)
self.assertIn('', data)
# 3 - not existing network
data = self.client.get_location_ids(network='XX')
self.assertEqual(len(data), 0)
# 4 - MANZ station
data = self.client.get_location_ids(station='MANZ')
self.assertEqual(len(data), 1)
self.assertIn('', data)
# 5 - not existing station
data = self.client.get_location_ids(station='XXXXX')
self.assertEqual(len(data), 0)
# 4 - GE network, FUR station
data = self.client.get_location_ids(network='GE', station='FUR')
self.assertEqual(len(data), 1)
self.assertIn('00', data)
def test_get_channel_ids(self):
"""
Tests for method get_channel_ids.
"""
data = self.client.get_channel_ids()
self.assertEqual(len(data), 2)
self.assertIn('EHZ', data)
self.assertIn('BHZ', data)
def test_get_end_times(self):
"""
Tests for method get_endtimes.
"""
# 1
data = self.client.get_endtimes()
self.assertEqual(len(data), 2)
self.assertEqual(data['BW.MANZ..EHZ'],
UTCDateTime(2012, 1, 2, 23, 59, 59, 999999))
self.assertEqual(data['GE.FUR.00.BHZ'],
UTCDateTime(2012, 1, 1, 8, 19, 59, 990000))
# 2 - using wildcards
data = self.client.get_endtimes(network='?W', station='M*',
location='')
self.assertEqual(len(data), 1)
self.assertEqual(data['BW.MANZ..EHZ'],
UTCDateTime(2012, 1, 2, 23, 59, 59, 999999))
# 3 - no data
data = self.client.get_endtimes(network='GE', station='*', location='')
self.assertEqual(len(data), 0)
def test_get_waveform_path(self):
"""
Tests for method get_waveform_path.
"""
# 1
dt = UTCDateTime('2012-01-01 00:00:00.000000')
data = self.client.get_waveform_path(starttime=dt, endtime=dt + 5)
self.assertEqual(len(data), 2)
self.assertEqual(data['BW.MANZ..EHZ'],
[os.path.join('/path/to/1', 'file_001.mseed')])
self.assertEqual(data['GE.FUR.00.BHZ'],
[os.path.join('/path/to/2', 'file_001.gse2')])
# 2 - no data
dt = UTCDateTime('2012-01-01 00:00:00.000000')
data = self.client.get_waveform_path(starttime=dt - 5, endtime=dt - 4)
self.assertEqual(data, {})
# 3
dt = UTCDateTime('2012-01-02 01:00:00.000000')
data = self.client.get_waveform_path(starttime=dt, endtime=dt + 5)
self.assertEqual(len(data), 1)
self.assertEqual(data['BW.MANZ..EHZ'],
[os.path.join('/path/to/1', 'file_002.mseed')])
# 4 - filter by network
dt = UTCDateTime('2012-01-01 00:00:00.000000')
dt2 = UTCDateTime('2012-01-02 23:00:00.000000')
data = self.client.get_waveform_path(starttime=dt, endtime=dt2,
network='BW')
self.assertEqual(len(data), 1)
self.assertEqual(data['BW.MANZ..EHZ'],
[os.path.join('/path/to/1', 'file_001.mseed'),
os.path.join('/path/to/1', 'file_002.mseed')])
# 5 - filter by network and station using wildcards
data = self.client.get_waveform_path(starttime=dt, endtime=dt2,
network='BW', station='MA*')
self.assertEqual(len(data), 1)
# 6 - filter by channel and location
data = self.client.get_waveform_path(starttime=dt, endtime=dt2,
channel='?HZ', location='')
self.assertEqual(len(data), 1)
def test_get_preview(self):
"""
Tests for method get_preview.
"""
# 1
dt = UTCDateTime('2012-01-01 00:00:00.000000')
dt2 = UTCDateTime('2012-01-01T08:19:30.000000Z')
st = self.client.get_preview(starttime=dt, endtime=dt2)
self.assertEqual(len(st), 1)
self.assertEqual(st[0].id, 'GE.FUR.00.BHZ')
self.assertEqual(st[0].stats.starttime,
UTCDateTime('2012-01-01T00:00:00.000000Z'))
self.assertEqual(st[0].stats.endtime,
UTCDateTime('2012-01-01T08:19:30.000000Z'))
self.assertEqual(st[0].stats.delta, 30.0)
self.assertEqual(st[0].stats.npts, 1000)
self.assertEqual(st[0].stats.preview, True)
np.testing.assert_equal(st[0].data, self.preview)
# 2 - no data
st = self.client.get_preview(network='XX', starttime=dt,
endtime=dt + 2)
self.assertEqual(len(st), 0)
# 3 - trimmed
dt = UTCDateTime('2012-01-01 00:00:00.000000')
dt2 = UTCDateTime('2012-01-01T04:09:30.000000Z')
st = self.client.get_preview(network='G?', location='00', station='*',
starttime=dt, endtime=dt2)
self.assertEqual(len(st), 1)
self.assertEqual(st[0].stats.npts, 500)
# 4 - using trace_ids and pad=True
dt = UTCDateTime('2011-12-31 00:00:00.000000')
dt2 = UTCDateTime('2012-01-01T04:09:30.000000Z')
st = self.client.get_preview(trace_ids=['GE.FUR.00.BHZ',
'GE.FUR.00.BHN'], pad=True,
starttime=dt, endtime=dt2)
self.assertEqual(len(st), 1)
self.assertEqual(st[0].stats.npts, 3380)
def suite():
try:
import sqlite3 # @UnusedImport # NOQA
except ImportError:
# skip the whole test suite if module sqlite3 is missing
return unittest.makeSuite(object, 'test')
else:
return unittest.makeSuite(ClientTestCase, 'test')
if __name__ == '__main__':
unittest.main(defaultTest='suite')