Add green mode incompatible bears list

* Constants.py: Add a list GREEN_MODE_INCOMPATIBLE_BEAR_LIST.
* Bears.py: Remove bears from REQUIRED_BEAR_LIST that are present
            in GREEN_MODE_INCOMPATIBLE_BEAR_LIST when running
            green_mode.
Add tests for the same.

coala_quickstart/Constants.py

@@ -13,6 +13,11 @@
 # This includes the bears from IMPORTANT_BEAR_LIST
 GREEN_MODE_COMPATIBLE_BEAR_LIST = {}
 
+# This takes precedence over the other two bear lists.
+GREEN_MODE_INCOMPATIBLE_BEAR_LIST = {
+    'FilenameBear',
+    }
+
 ALL_CAPABILITIES = {
     'Code Simplification',
     'Commented Code',

coala_quickstart/generation/Bears.py

@@ -62,9 +62,18 @@ def filter_relevant_bears(used_languages,
 
     if args.green_mode:
         from coala_quickstart.Constants import (
-            GREEN_MODE_COMPATIBLE_BEAR_LIST)
+            GREEN_MODE_COMPATIBLE_BEAR_LIST,
+            GREEN_MODE_INCOMPATIBLE_BEAR_LIST,
+            )
         REQUIRED_BEAR_LIST = concatenate(IMPORTANT_BEAR_LIST,
                                          GREEN_MODE_COMPATIBLE_BEAR_LIST)
+        NEW_REQUIRED_BEAR_LIST = {}
+        for lang in REQUIRED_BEAR_LIST:
+            NEW_REQUIRED_BEAR_LIST[lang] = set()
+            for bear in REQUIRED_BEAR_LIST[lang]:
+                if bear not in GREEN_MODE_INCOMPATIBLE_BEAR_LIST:
+                    NEW_REQUIRED_BEAR_LIST[lang].add(bear)
+        REQUIRED_BEAR_LIST = NEW_REQUIRED_BEAR_LIST
 
     # Initialize selected_bears with REQUIRED_BEAR_LIST
     for lang, lang_bears in candidate_bears.items():

tests/generation/BearsTest.py

@@ -12,7 +12,10 @@
 from coala_quickstart.coala_quickstart import main
 from coala_quickstart.coala_quickstart import _get_arg_parser
 from coala_quickstart.Constants import (
-    IMPORTANT_BEAR_LIST, ALL_CAPABILITIES)
+    ALL_CAPABILITIES,
+    GREEN_MODE_INCOMPATIBLE_BEAR_LIST,
+    IMPORTANT_BEAR_LIST,
+    )
 from coala_quickstart.generation.InfoCollector import collect_info
 from tests.TestUtilities import bear_test_module, generate_files
 
@@ -158,6 +161,8 @@ def test_filter_relevant_bears_green_mode(self):
         for key in ['Python', 'C', 'All']:
             bear_obj_dict[key] = set()
             for bear in IMPORTANT_BEAR_LIST[key]:
+                if bear in GREEN_MODE_INCOMPATIBLE_BEAR_LIST:
+                    continue
                 bear_obj_dict[key].update([x for x in bear_objs if (
                     x.__name__ == bear)])