def test_init_waveframe_from_waveframe_parts(self, stream_wf):
"""A wavefrom should be init'able from a waveframes parts"""
wf1 = stream_wf
wf2 = WaveFrame(waveforms=wf1.data, stats=wf1.stats)
assert wf1 is not wf2
assert wf1._df is not wf2._df
assert wf1 == wf2
def test_init_waveframe_from_waveframe(self, stream_wf):
"""A waveframe should be valid input to waveframe constructor"""
wf1 = stream_wf
wf2 = WaveFrame(wf1)
assert wf1 is not wf2
assert wf1._df is not wf2._df
assert wf1 == wf2
def test_init_waveframe_from_waveframe_df(self, stream_wf):
"""A waveframe can be inited from a dataframe from a waveframe."""
wf1 = stream_wf
wf2 = WaveFrame(wf1._df)
assert wf1 is not wf2
assert wf1._df is not wf2._df
assert wf1 == wf2
def test_test_bad_starttime_endtime_raises(self):
"""Ensure bad starttime/endtimes raise."""
bad_args = ["UU", "BOB", "01", "BHZ", self.t1, self.t1 - 10]
df = self._make_stats_df(bad_args)
# since starttime is after endtime this should raise
with pytest.raises(DataFrameContentError):
WaveFrame(waveforms=obspy.read(), stats=df)
def test_wildcard_raises(self):
"""WaveFrame does not support using wildcards in str params of bulk."""
bad_nslc = ["*", "bob", "01", "BHZ", self.t1, self.t1 + 10]
df = self._make_stats_df(bad_nslc)
# since there is a wildcard it should raise a ValueError
with pytest.raises(DataFrameContentError):
WaveFrame(waveforms=obspy.read(), stats=df)
def test_date_columns_renamed(self):
"""Ensure enddate and startdate get renamed to starttime and endtime"""
bulk = ["BW", "RJOB", "", "EHZ", self.t1, self.t1 + 10]
names = list(NSLC) + ["startdate", "enddate"]
df = pd.DataFrame([bulk], columns=names)
st = obspy.read()
wf = WaveFrame(waveforms=st, stats=df)
assert {"starttime", "endtime"}.issubset(set(wf.stats.columns))
def test_stream_uneven(self, st_no_response):
"""Tests for when streams are not evenly sized."""
st = st_no_response
st[0].data = st[0].data[:100]
wf = WaveFrame.from_stream(st)
# only 100 values should be Non-null
assert (~wf.data.loc[0].isnull()).sum() == 100
# the shape should still be greater than 100
assert wf.data.shape[-1] > 100
def test_cant_get_waveform_data(self, st_no_response):
"""
Test that data has a row of NaN for any stats that couldn't get
waveforms.
"""
t1 = self.t1 - 100_000
bulk = ["BW", "RJOB", "", "EHZ", t1, t1 + 10]
df = self._make_stats_df(bulk)
wf = WaveFrame(waveforms=st_no_response, stats=df)
data = wf.data
assert len(data) == 1
assert data.isnull().all().all()
def waveframe_gap(st_no_response) -> WaveFrame:
"""
Create a waveframe with a 1 second gap in the middle.
Also shorten last trace.
"""
st1, st2 = st_no_response.copy(), st_no_response.copy()
for tr in st2:
tr.stats.starttime = st1[0].stats.endtime + 1
st2[-1].data = st2[-1].data[:-20]
wf = WaveFrame.from_stream(st1 + st2)
assert isinstance(wf, WaveFrame)
assert len(wf) == 6
return wf
def test_null_values_raise(self):
"""Null values in any column should raise."""
bad_args = ["UU", "BOB", "01", None, self.t1, self.t1 - 10]
df = self._make_stats_df(bad_args)
with pytest.raises(DataFrameContentError):
WaveFrame(waveforms=obspy.read(), stats=df)
def stream_wf(st_no_response) -> WaveFrame:
""" Create a basic WaveFrame from default stream. """
return WaveFrame.load_example_wf()