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test_inventory_xml.py
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/
test_inventory_xml.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Test suite for the arclink inventory reader.
Modified after obspy.io.stationXML
> obspy.obspy.io.stationxml.core.py
:author:
Mathijs Koymans (koymans@knmi.nl), 11.2015 - [Jollyfant@GitHub]
:license:
GNU Lesser General Public License, Version 3
(https://www.gnu.org/copyleft/lesser.html)
"""
import inspect
import os
import unittest
from obspy.core.inventory import read_inventory
from obspy.io.arclink.inventory import validate_arclink_xml, SCHEMA_NAMESPACE
import pytest
class ArclinkInventoryTestCase(unittest.TestCase):
def setUp(self):
"""
Read example stationXML and arclink format to Inventory
"""
self.data_dir = os.path.join(os.path.dirname(os.path.abspath(
inspect.getfile(inspect.currentframe()))), "data")
self.arclink_xml_path = os.path.join(self.data_dir,
"arclink_inventory.xml")
self.station_xml_path = os.path.join(self.data_dir, "gols_station.xml")
self.arclink_xml_poly = os.path.join(self.data_dir,
"arclink_inventory_poly.xml")
self.arclink_afc_path = os.path.join(self.data_dir, "arclink_afc.xml")
self.station_afc_path = os.path.join(self.data_dir, "station_afc.xml")
def test_publicid_slash(self):
v = read_inventory(os.path.join(self.data_dir, "public-id-slash.xml"))
self.assertEqual(len(v[0][0][0].response.response_stages), 11)
def test_analogue_filter_chain(self):
"""
Test analogue filter chain and compare to stationXML equivalent
"""
arclink_inv = read_inventory(self.arclink_afc_path)
station_inv = read_inventory(self.station_afc_path)
arclink_resp = arclink_inv[0][0][0].response.response_stages
station_resp = station_inv[0][0][0].response.response_stages
for arclink_stage, station_stage in zip(arclink_resp, station_resp):
self.assertEqual(arclink_stage.stage_gain,
station_stage.stage_gain)
self.assertEqual(arclink_stage.stage_sequence_number,
station_stage.stage_sequence_number)
for arc_cs, sta_cs in zip(arclink_stage.__dict__.items(),
station_stage.__dict__.items()):
if arc_cs[0] in ['name', 'resource_id2']:
continue
self.assertEqual(arc_cs, sta_cs)
def test_validate_inventories_against_schema(self):
self.assertTrue(validate_arclink_xml(self.arclink_xml_path)[0])
self.assertFalse(validate_arclink_xml(self.station_xml_path)[0])
def test_raise_polynomial(self):
with self.assertRaises(NotImplementedError) as e:
read_inventory(self.arclink_xml_poly)
self.assertEqual(e.exception.args[0], "responsePolynomial not"
"implemented. Contact the ObsPy developers")
@pytest.mark.filterwarnings("ignore:Attribute 'storage_format'.*removed")
def test_auto_read_arclink_xml(self):
arclink_inv = read_inventory(self.arclink_xml_path)
self.assertIsNotNone(arclink_inv)
station_inv = read_inventory(self.station_xml_path)
arclink_inv = arclink_inv.select(station="GOLS")
channels = ['HH1', 'HH2', 'HHZ', 'BHZ', 'BH1', 'BH2', 'LH1', 'LH2',
'LHZ']
for channel in channels:
arclink_cha = arclink_inv.select(channel=channel)
station_cha = station_inv.select(channel=channel)
for arc, st_xml in zip(arclink_cha[0][0], station_cha[0][0]):
self.assertEqual(arc.code, st_xml.code)
self.assertEqual(arc.latitude, st_xml.latitude)
self.assertEqual(arc.longitude, st_xml.longitude)
self.assertEqual(arc.depth, st_xml.depth)
self.assertEqual(arc.azimuth, st_xml.azimuth)
self.assertEqual(arc.dip, st_xml.dip)
self.assertEqual(arc.sample_rate, st_xml.sample_rate)
self.assertEqual(arc.start_date, st_xml.start_date)
self.assertEqual(arc.end_date, st_xml.end_date)
# reading stationxml will ignore old StationXML 1.0 defined
# StorageFormat, Arclink Inventory XML and SC3ML get it stored
# in extra now
self.assertEqual(st_xml.storage_format, None)
self.assertEqual(arc.storage_format, None)
self.assertEqual(
arc.extra['format'],
{'namespace': SCHEMA_NAMESPACE, 'value': None})
cdisps = "clock_drift_in_seconds_per_sample"
self.assertEqual(getattr(arc, cdisps), getattr(st_xml, cdisps))
# Compare datalogger element
for arc_el, st_xml_el in zip(arc.data_logger.__dict__.items(),
st_xml.data_logger.__dict__
.items()):
self.assertEqual(arc_el, st_xml_el)
# Compare sensor element
for arc_sen, st_xml_sen in zip(arc.sensor.__dict__.items(),
st_xml.sensor.__dict__.items()):
# Skip the type; set for stationXML not for ArclinkXML
if arc_sen[0] == 'type':
continue
self.assertEqual(arc_sen, st_xml_sen)
# Same number of response stages
self.assertEqual(len(arc.response.response_stages),
len(st_xml.response.response_stages))
# Check the response stages
for arc_resp, sta_resp in zip(arc.response.response_stages,
st_xml.response.response_stages):
self.assertEqual(arc_resp.stage_gain, sta_resp.stage_gain)
self.assertEqual(arc_resp.stage_sequence_number,
sta_resp.stage_sequence_number)
for arc_cs, sta_cs in zip(arc_resp.__dict__.items(),
sta_resp.__dict__.items()):
# Name can be different and resource_id is not given
# in stationXML
if arc_cs[0] in ['name', 'resource_id2']:
continue
# Floating point precision troubles..
# 0.021099999999999997 != 0.0211
if isinstance(arc_cs[1], float):
self.assertAlmostEqual(arc_cs[1], sta_cs[1])
else:
self.assertEqual(arc_cs, sta_cs)