Merge pull request #432 from CyberiaResurrection/HandleMissingReturnCodes

Supply status for missing exit codes

Author: CyberiaResurrection

mutmut/__main__.py

@@ -67,7 +67,7 @@
 # TODO: hash of function. If hash changes, retest all mutants as mutant IDs are not stable
 
 
-status_by_exit_code = {
+status_by_exit_code = defaultdict(lambda: 'suspicious', {
     1: 'killed',
     3: 'killed',  # internal error in pytest means a kill
     -24: 'killed',
@@ -85,7 +85,7 @@
     255: 'timeout',
     -11: 'segfault',
     -9: 'segfault',
-}
+})
 
 emoji_by_status = {
     'survived': '🙁',
@@ -1124,7 +1124,7 @@ def read_one_child_exit_status():
             exit_code_by_key[mutant_name] = m.exit_code_by_key[mutant_name]
 
         for mutant_name, exit_code in sorted(exit_code_by_key.items()):
-            print(emoji_by_status.get(status_by_exit_code.get(exit_code), '?'), mutant_name)
+            print(emoji_by_status.get(status_by_exit_code[exit_code], '?'), mutant_name)
 
         print()