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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)
"""
from obspy.core.inventory import read_inventory
from obspy.io.arclink.inventory import validate_arclink_xml, SCHEMA_NAMESPACE
import pytest
class TestArclinkInventory():
@pytest.fixture(autouse=True, scope="function")
def setup(self, testdata):
"""
Read example stationXML and arclink format to Inventory
"""
self.arclink_xml_path = testdata["arclink_inventory.xml"]
self.station_xml_path = testdata["gols_station.xml"]
self.arclink_xml_poly = testdata["arclink_inventory_poly.xml"]
self.arclink_afc_path = testdata["arclink_afc.xml"]
self.station_afc_path = testdata["station_afc.xml"]
def test_publicid_slash(self, testdata):
v = read_inventory(testdata["public-id-slash.xml"])
assert 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):
assert arclink_stage.stage_gain == \
station_stage.stage_gain
assert 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
assert arc_cs == sta_cs
def test_validate_inventories_against_schema(self):
assert validate_arclink_xml(self.arclink_xml_path)[0]
assert not validate_arclink_xml(self.station_xml_path)[0]
def test_raise_polynomial(self):
msg = ("responsePolynomial not implemented. Contact the ObsPy "
"developers")
with pytest.raises(NotImplementedError, match=msg):
read_inventory(self.arclink_xml_poly)
@pytest.mark.filterwarnings("ignore:Attribute 'storage_format'.*removed")
def test_auto_read_arclink_xml(self):
arclink_inv = read_inventory(self.arclink_xml_path)
assert arclink_inv is not None
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]):
assert arc.code == st_xml.code
assert arc.latitude == st_xml.latitude
assert arc.longitude == st_xml.longitude
assert arc.depth == st_xml.depth
assert arc.azimuth == st_xml.azimuth
assert arc.dip == st_xml.dip
assert arc.sample_rate == st_xml.sample_rate
assert arc.start_date == st_xml.start_date
assert 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
assert st_xml.storage_format is None
assert arc.storage_format is None
assert arc.extra['format'] == \
{'namespace': SCHEMA_NAMESPACE, 'value': None}
cdisps = "clock_drift_in_seconds_per_sample"
assert 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()):
assert 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
assert arc_sen == st_xml_sen
# Same number of response stages
assert 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):
assert arc_resp.stage_gain == sta_resp.stage_gain
assert 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):
assert round(abs(arc_cs[1]-sta_cs[1]), 7) == 0
else:
assert arc_cs == sta_cs