conftest.py

import numpy
from obspy import Stream, UTCDateTime
from obspy.clients.neic.client import Client
import pytest

from geomagio import TimeseriesUtility
from geomagio.edge import SNCL


@pytest.fixture(scope="class")
def MockMiniSeedClient() -> Client:
    """replaces default obspy miniseed client's get_waveforms method to return trace of ones"""

    class MockMiniSeedClient(Client):
        def get_waveforms(
            self,
            network: str,
            station: str,
            location: str,
            channel: str,
            starttime: UTCDateTime,
            endtime: UTCDateTime,
        ):
            sncl = SNCL(
                station=station,
                network=network,
                channel=channel,
                location=location,
            )
            trace = TimeseriesUtility.create_empty_trace(
                starttime=starttime,
                endtime=endtime,
                observatory=station,
                channel=channel,
                type=sncl.data_type,
                interval=sncl.interval,
                network=network,
                station=station,
                location=location,
            )
            trace.data = numpy.ones(trace.stats.npts)
            return Stream([trace])

    yield MockMiniSeedClient