sambacc: add an initial_data argument to GlobalConfig class

Add a new keyword-only initial_data argument to GlobalConfig. This is
primarily for testing so that we can load data directly into the global
configuration object without going through all validations that real
json read from a file does.

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

sambacc/config.py

@@ -95,8 +95,13 @@ def shares(self) -> typing.Iterable[ShareConfig]:
 
 
 class GlobalConfig:
-    def __init__(self, source: typing.Optional[typing.IO] = None) -> None:
-        self.data: JSONData = {}
+    def __init__(
+        self,
+        source: typing.Optional[typing.IO] = None,
+        *,
+        initial_data: typing.Optional[JSONData] = None,
+    ) -> None:
+        self.data: JSONData = {} if initial_data is None else initial_data
         if source is not None:
             self.load(source)