Test MC associations for Sprucing output

Check that ConfiguredMCTruthAndBkgCatAlg works for exclusive sprucing output

Checks that the BKGCAT of B and D are not always ==60 as it was when it wasnt working

DaVinciExamples/python/DaVinciExamples/tupling/option_davinci_tupling_from_spruce_mc.py

+###############################################################################
+# (c) Copyright 2022 CERN for the benefit of the LHCb Collaboration           #
+#                                                                             #
+# This software is distributed under the terms of the GNU General Public      #
+# Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
+#                                                                             #
+# In applying this licence, CERN does not waive the privileges and immunities #
+# granted to it by virtue of its status as an Intergovernmental Organization  #
+# or submit itself to any jurisdiction.                                       #
+###############################################################################
+from FunTuple import FunctorCollection
+import Functors as F
+from FunTuple import FunTuple_Particles as Funtuple
+from FunTuple.functorcollections import Kinematics
+from DaVinci.truth_matching import ConfiguredMCTruthAndBkgCatAlg
+from DaVinci.algorithms import add_filter
+from PyConf.application import make_data_with_FetchDataFromFile
+
+#FunTuple: define branches.
+fields = {
+    'B0': "[B0 -> D_s- K+]CC",
+    'Ds': "[B0 -> ^D_s- K+]CC",
+    'Kp': "[B0 -> D_s- ^K+]CC"
+}
+
+#FunTuple: make functor collection from the imported functor library Kinematics
+variables_all = Kinematics()
+
+#FunTuple: associate functor collections to branch name
+variables = {
+    'ALL': variables_all,  #adds variables to all branches
+}
+
+
+def main():
+
+    B_data = make_data_with_FetchDataFromFile(
+        "/Event/Spruce/Spruce_Test_line/Particles")
+
+    my_filter = add_filter("HDRFilter_B",
+                           "HLT_PASS('Spruce_Test_lineDecision')")
+
+    #get configured "MCTruthAndBkgCatAlg" algorithm for HLT2 output
+    mctruth = ConfiguredMCTruthAndBkgCatAlg(
+        inputs=B_data, root_in_tes="/Event/Spruce/HLT2")
+    #Add trueid info to each of the branches
+    trueid_bkgcat_info = {
+        "TRUEID":
+        F.MAP_INPUT(Functor=F.PARTICLE_ID, Relations=mctruth.MCAssocTable),
+        "TRUEKEY":
+        F.MAP_INPUT(Functor=F.OBJECT_KEY, Relations=mctruth.MCAssocTable),
+        "TRUEPT":
+        F.MAP_INPUT(Functor=F.PT, Relations=mctruth.MCAssocTable),
+        "TRUEPX":
+        F.MAP_INPUT(Functor=F.PX, Relations=mctruth.MCAssocTable),
+        "TRUEPY":
+        F.MAP_INPUT(Functor=F.PY, Relations=mctruth.MCAssocTable),
+        "TRUEPZ":
+        F.MAP_INPUT(Functor=F.PZ, Relations=mctruth.MCAssocTable),
+        "TRUEENERGY":
+        F.MAP_INPUT(Functor=F.ENERGY, Relations=mctruth.MCAssocTable),
+        "TRUEP":
+        F.MAP_INPUT(Functor=F.P, Relations=mctruth.MCAssocTable),
+        "TRUEFOURMOMENTUM":
+        F.MAP_INPUT(Functor=F.FOURMOMENTUM, Relations=mctruth.MCAssocTable),
+        "BKGCAT":
+        F.BKGCAT(Relations=mctruth.BkgCatTable)
+    }
+    for branch in variables.keys():
+        variables[branch] += FunctorCollection(trueid_bkgcat_info)
+
+    my_tuple = Funtuple(
+        name="Tuple",
+        tuple_name="DecayTree",
+        fields=fields,
+        variables=variables,
+        inputs=B_data)
+
+    return {"UserAlgs": [my_filter, mctruth, my_tuple]}, []