[lib] Tests: test_antlr_optimization; reactivation of a test deactivated for lack of file available

library/cadbiom/models/clause_constraints/mcl/TestMCLTranslators.py

@@ -43,6 +43,7 @@
 Unitary tests for the translators
 """
 from __future__ import print_function
+import pkg_resources
 import unittest
 import sys
 
@@ -770,21 +771,37 @@ class TestFull(unittest.TestCase):
         TRACE_FILE.write( 'place_clocks'+ cl_ds.place_clocks.__str__()+'\n')
         TRACE_FILE.write( 'inputs'+ cl_ds.inputs.__str__()+'\n')
 
-    @unittest.skip("Test files not provided")
-    def test_tgf_no_clock(self):
-        """
-        optimisation gain comparison
+    def test_antlr_optimization(self):
+        """Optimization gain comparison when using MCLTranslator optimizations
+        for ANTLR translation (subexpression elimination)
+
+        .. note:: Use test file instead of not provided:
+            "../ucl/examples/test_tgfb_ref_300511.bcx"
         """
         rep = ErrorRep()
+
         mcla = MCLAnalyser(rep)
-        mcla.opti = False
-        mcla.build_from_chart_file("../ucl/examples/test_tgfb_ref_300511.bcx")
-        mess = '\n- NB Clauses:' + str(len(mcla.dynamical_system.list_clauses))
-        TRACE_FILE.write(mess)
+        mcla.translator_opti = False
+        filename = pkg_resources.resource_filename(
+            __name__, # package name
+            "../../guard_transitions/translators/tests/tgf_cano_noclock_cmp.cal"
+        )
+        mcla.build_from_cadlang(filename)
+        nb_clauses_without_opti = len(mcla.dynamic_system.list_clauses)
+        TRACE_FILE.write('\n- NB Clauses:' + str(nb_clauses_without_opti))
+
         mcla = MCLAnalyser(rep)
-        mcla.build_from_chart_file("../ucl/examples/test_tgfb_ref_300511.bcx")
-        mess = '\n- NB Clauses:' + str(len(mcla.dynamical_system.list_clauses))
-        TRACE_FILE.write(mess)
+        filename = pkg_resources.resource_filename(
+            __name__, # package name
+            "../../guard_transitions/translators/tests/tgf_cano_noclock_cmp.cal"
+        )
+        mcla.build_from_cadlang(filename)
+        nb_clauses_with_opti = len(mcla.dynamic_system.list_clauses)
+        TRACE_FILE.write('\n- NB Clauses:' + str(nb_clauses_with_opti))
+
+        assert nb_clauses_with_opti < nb_clauses_without_opti
+        assert nb_clauses_with_opti == 1573
+        assert nb_clauses_without_opti == 1909
 
 class TestMCLSigExprVisitor (unittest.TestCase):
     """