Coverage for tests/test_fit_psf.py: 100%

1# This file is part of multiprofit. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <https://www.gnu.org/licenses/>. 

21 

22import pytest 

23 

24from lsst.multiprofit.fitting.fit_psf import CatalogPsfFitterConfig, CatalogPsfFitterConfigData 

25from lsst.multiprofit.utils import get_params_uniq 

26 

27 

28@pytest.fixture(scope="module") 

29def fitter_config() -> CatalogPsfFitterConfig: 

30 """Return a default PSF fitter config.""" 

31 config = CatalogPsfFitterConfig() 

32 return config 

33 

34 

35@pytest.fixture(scope="module") 

36def fitter_config_data(fitter_config) -> CatalogPsfFitterConfigData: 

37 """Return a default PSF fitter.""" 

38 config_data = CatalogPsfFitterConfigData(config=fitter_config) 

39 return config_data 

40 

41 

42def test_fitter_config_data(fitter_config_data): 

43 """Test that the PSF fitter cached data are sensible.""" 

44 parameters = fitter_config_data.parameters 

45 assert len(parameters) > 0 

46 psf_model = fitter_config_data.psf_model 

47 same = (p1 is p2 for p1, p2 in zip(parameters.values(), get_params_uniq(psf_model, fixed=False))) 

48 assert all(same)