redoing some of the testing

specgrid/composite.py

@@ -41,5 +41,22 @@ def evaluate(self, **kwargs):
             setattr(self, kwarg, new_value)
         return self()
 
-def assemble_model_star(specgrid, spectrum=None, params=None):
-    pass
+def assemble_model_star(spectral_grid, spectrum=None, normalize_pol=None, **kwargs):
+
+    for key in kwargs:
+        pass
+
+
+    convolve = InstrumentConvolve(R=self.spectral_parameters['R'])
+    #rot = RotationalBroadening()
+    doppler = DopplerShift()
+    interp = Interpolate(self.to_spectrum_1d())
+    one_chip_size = len(self.table['x'])
+    parts = [slice(None, one_chip_size),
+             slice(one_chip_size, 2*one_chip_size),
+             slice(2*one_chip_size, None)]
+    norm = NormalizeParts(self.to_spectrum_1d(), parts=parts,
+                          npol=self.spectral_parameters['npol'])
+
+    model_star = ModelStar([spectral_grid, doppler, convolve, interp, norm])
+

specgrid/tests/test_multinest.py

@@ -1,6 +1,8 @@
 import numpy.testing as nptest
 import numpy as np
 import os
+
+import pytest
 from collections import OrderedDict
 
 from specgrid import fitmultinest
@@ -10,6 +12,15 @@
 from specgrid.base import BaseSpectralGrid
 from specgrid.composite import ModelStar
 
+try:
+    import pymultinest
+except ImportError:
+    pymultinest_available = False
+else:
+    pymultinest_available = True
+
+pytestmark = pytest.mark.skipif(not pymultinest_available)
+
 import specgrid
 
 def data_path(filename):