def test_dict_to_skymodels():
filename = get_pkg_data_filename("data/examples.yaml")
models_data = read_yaml(filename)
models = Models.from_dict(models_data)
assert len(models) == 5
model0 = models[0]
assert isinstance(model0, BackgroundModel)
assert model0.name == "background_irf"
model0 = models[1]
assert "ExpCutoffPowerLawSpectralModel" in model0.spectral_model.tag
assert "PointSpatialModel" in model0.spatial_model.tag
pars0 = model0.parameters
assert pars0["index"].value == 2.1
assert pars0["index"].unit == ""
assert np.isnan(pars0["index"].max)
assert np.isnan(pars0["index"].min)
assert not pars0["index"].frozen
assert pars0["lon_0"].value == -0.5
assert pars0["lon_0"].unit == "deg"
assert pars0["lon_0"].max == 180.0
assert pars0["lon_0"].min == -180.0
assert pars0["lon_0"].frozen
assert pars0["lat_0"].value == -0.0005
assert pars0["lat_0"].unit == "deg"
assert pars0["lat_0"].max == 90.0
assert pars0["lat_0"].min == -90.0
assert pars0["lat_0"].frozen
assert pars0["lambda_"].value == 0.006
assert pars0["lambda_"].unit == "TeV-1"
assert np.isnan(pars0["lambda_"].min)
assert np.isnan(pars0["lambda_"].max)
model1 = models[2]
assert "pl" in model1.spectral_model.tag
assert "PowerLawSpectralModel" in model1.spectral_model.tag
assert "DiskSpatialModel" in model1.spatial_model.tag
assert "disk" in model1.spatial_model.tag
assert "LightCurveTemplateTemporalModel" in model1.temporal_model.tag
pars1 = model1.parameters
assert pars1["index"].value == 2.2
assert pars1["index"].unit == ""
assert pars1["lat_0"].scale == 1.0
assert pars1["lat_0"].factor == pars1["lat_0"].value
assert np.isnan(pars1["index"].max)
assert np.isnan(pars1["index"].min)
assert pars1["r_0"].unit == "deg"
model2 = models[3]
assert_allclose(model2.spectral_model.energy.data,
[34.171, 44.333, 57.517])
assert model2.spectral_model.energy.unit == "MeV"
assert_allclose(model2.spectral_model.values.data,
[2.52894e-06, 1.2486e-06, 6.14648e-06])
assert model2.spectral_model.values.unit == "1 / (cm2 MeV s)"
assert "TemplateSpectralModel" in model2.spectral_model.tag
assert "TemplateSpatialModel" in model2.spatial_model.tag
assert not model2.spatial_model.normalize
def models():
filename = get_pkg_data_filename("data/examples.yaml")
models_data = read_yaml(filename)
models = Models.from_dict(models_data)
return models
