Test that we can make a sample molecule for every atom type.

This unit test was inspired by efforts to debug something in some
changes to the database, which caused a segfault when running 
the database Tests, but was in fact caused by an undetected bug in RMG.

rmgpy/molecule/atomtypeTest.py

@@ -33,7 +33,7 @@
 """
 
 import unittest
-
+import logging
 import rmgpy.molecule
 from rmgpy.molecule import atomtype, Molecule
 from rmgpy.molecule.atomtype import AtomType, getAtomType
@@ -125,6 +125,21 @@ def testSetActions(self):
         self.assertEqual(self.atomType.incrementRadical, other.incrementRadical)
         self.assertEqual(self.atomType.decrementRadical, other.decrementRadical)
 
+    def testMakeSampleMolecule(self):
+        """
+        Test we can make a sample molecule for every atom type.
+        """
+        failed = []
+        for name, atom_type in rmgpy.molecule.atomtype.atomTypes.iteritems():
+            adjlist = "1 {} ux".format(name)
+            group = rmgpy.molecule.Group().fromAdjacencyList(adjlist)
+            try:
+                result = group.makeSampleMolecule()
+            except:
+                logging.exception("Couldn't make sample molecule for atomType {}".format(name))
+                failed.append(name)
+        self.assertFalse(failed, "Couldn't make sample molecules for types {}".format(','.join(failed)))
+
 ################################################################################
 
 class TestGetAtomType(unittest.TestCase):