Fix for default test config file

tools/config/__init__.py

@@ -372,6 +372,20 @@ class Config(object):
         "LOWPAN_BORDER_ROUTER", "LOWPAN_HOST", "LOWPAN_ROUTER", "NANOSTACK_FULL", "THREAD_BORDER_ROUTER", "THREAD_END_DEVICE", "THREAD_ROUTER", "ETHERNET_HOST"
         ]
 
+    @classmethod
+    def find_app_config(cls, top_level_dirs):
+        app_config_location = None
+        for directory in top_level_dirs:
+            full_path = os.path.join(directory, cls.__mbed_app_config_name)
+            if os.path.isfile(full_path):
+                if app_config_location is not None:
+                    raise ConfigException("Duplicate '%s' file in '%s' and '%s'"
+                                            % (cls.__mbed_app_config_name,
+                                               cls.app_config_location, full_path))
+                else:
+                    app_config_location = full_path
+        return app_config_location
+
     def __init__(self, tgt, top_level_dirs=None, app_config=None):
         """Construct a mbed configuration
 
@@ -391,16 +405,8 @@ def __init__(self, tgt, top_level_dirs=None, app_config=None):
         """
         config_errors = []
         self.app_config_location = app_config
-        if self.app_config_location is None:
-            for directory in top_level_dirs or []:
-                full_path = os.path.join(directory, self.__mbed_app_config_name)
-                if os.path.isfile(full_path):
-                    if self.app_config_location is not None:
-                        raise ConfigException("Duplicate '%s' file in '%s' and '%s'"
-                                              % (self.__mbed_app_config_name,
-                                                 self.app_config_location, full_path))
-                    else:
-                        self.app_config_location = full_path
+        if self.app_config_location is None and top_level_dirs:
+            self.app_config_location = self.find_app_config(top_level_dirs)
         try:
             self.app_config_data = json_file_to_dict(self.app_config_location) \
                                    if self.app_config_location else {}

tools/test.py

@@ -144,7 +144,7 @@
             if not config:
                 args_error(parser, "argument --test-config contains invalid path or identifier")
         elif not options.app_config:
-            config = TestConfig.get_default_config(mcu)
+            config = TestConfig.get_default_config(options.source_dir or ['.'], mcu)
         else:
             config = options.app_config
 

tools/test_configs/__init__.py

@@ -1,7 +1,8 @@
-from os.path import dirname, abspath, join
+from os.path import dirname, abspath, join, exists
 
 from tools.utils import json_file_to_dict
 from tools.targets import TARGET_MAP
+from tools.config import Config
 
 CONFIG_DIR = dirname(abspath(__file__))
 CONFIG_MAP = json_file_to_dict(join(CONFIG_DIR, "config_paths.json"))
@@ -28,12 +29,14 @@ def get_config_path(conf_name, target_name):
     else:
         return None
 
-def get_default_config(target_name):
+def get_default_config(source_dir, target_name):
     if target_name in TARGET_CONFIGS:
         config_name = TARGET_CONFIGS[target_name]['default_test_configuration']
         if config_name == "NONE":
             return None
         return join(CONFIG_DIR, CONFIG_MAP[config_name])
+    elif Config.find_app_config(source_dir):
+        return None
     elif (target_name in TARGET_MAP and 'LWIP' in TARGET_MAP[target_name].features):
         return join(CONFIG_DIR, CONFIG_MAP["ETHERNET"])
     else: