Throw exceptions instead of warnings when running tests (see #29).

This will allow us to be notified by the build bots, so that the warnings can be fixed.

unittests/autoconfig.py

@@ -6,6 +6,7 @@
 import os
 import sys
 import logging
+import warnings
 
 this_module_dir_path = os.path.abspath(
     os.path.dirname(sys.modules[__name__].__file__))
@@ -23,6 +24,11 @@
 import pygccxml.parser  # nopep8
 import pygccxml.utils  # nopep8
 
+# We want to make sure we throw an error for ALL the warnings during the
+# tests. This will allow us to be notified by the build bots, so that the
+# warnings can be fixed.
+warnings.simplefilter("error", Warning)
+
 # Set logging level
 pygccxml.utils.loggers.set_level(logging.INFO)
 

unittests/core_tester.py

@@ -180,7 +180,7 @@ def test_compiler_retrocompatibility(self):
             self.assertIn("CastXML", std.compiler)
 
         # Reset this warning to always
-        warnings.simplefilter("always", DeprecationWarning)
+        warnings.simplefilter("error", DeprecationWarning)
 
     def test_mangled_name_namespace(self):
         std = self.global_ns.namespace("std")