def test__interp_spect_invalid_type(self, data__interp_spect):
wavl, data, new_wavl = data__interp_spect
gs = GHOSTSpect([])
with pytest.raises(NotImplementedError):
new_data = gs._interp_spect(data,
wavl,
new_wavl,
interp='no-such-method')
def test__interp_spect(self, interp, data__interp_spect):
"""
Checks to make:
- New wavelength array appears in output
- Any point in output can be interpolated from surrounding points in
input
- Verify allowed values for kwarg 'interp'
"""
wavl, data, new_wavl = data__interp_spect
gs = GHOSTSpect([])
new_data = gs._interp_spect(data, wavl, new_wavl, interp='linear')
assert new_data.shape == new_wavl.shape, "Data was not successfully " \
"reshaped to the new " \
"wavelength scale " \
"(expected {}, " \
"have {})".format(
new_wavl.shape, new_data.shape,
)