diff --git a/lib/ansible/parsing/__init__.py b/lib/ansible/parsing/__init__.py
index a7d414c0434..749a386572c 100644
--- a/lib/ansible/parsing/__init__.py
+++ b/lib/ansible/parsing/__init__.py
@@ -112,15 +112,19 @@ class DataLoader():
         return parsed_data
 
     def path_exists(self, path):
+        path = self.path_dwim(path)
         return os.path.exists(path)
 
     def is_file(self, path):
+        path = self.path_dwim(path)
         return os.path.isfile(path)
 
     def is_directory(self, path):
+        path = self.path_dwim(path)
         return os.path.isdir(path)
 
     def list_directory(self, path):
+        path = self.path_dwim(path)
         return os.listdir(path)
 
     def _safe_load(self, stream, file_name=None):
diff --git a/test/units/mock/loader.py b/test/units/mock/loader.py
index f44df2efdbc..88f3970913a 100644
--- a/test/units/mock/loader.py
+++ b/test/units/mock/loader.py
@@ -29,11 +29,11 @@ class DictDataLoader(DataLoader):
     def __init__(self, file_mapping=dict()):
         assert type(file_mapping) == dict
 
+        super(DictDataLoader, self).__init__()
+
         self._file_mapping = file_mapping
         self._build_known_directories()
 
-        super(DictDataLoader, self).__init__()
-
     def load_from_file(self, path):
         if path in self._file_mapping:
             return self.load(self._file_mapping[path], path)
@@ -73,7 +73,7 @@ class DictDataLoader(DataLoader):
         rebuild_dirs = False
         if path not in self._file_mapping:
             rebuild_dirs = True
-    
+
         self._file_mapping[path] = content
 
         if rebuild_dirs: