lib.wiring: test ComponentMetadata.as_json() with a flipped signature.

Author: jfng

tests/test_lib_wiring.py

@@ -1199,17 +1199,18 @@ def __init__(self):
                 })
 
             def annotations(self, obj):
-                return (*super().annotations(obj), Annotation1())
+                return (*Signature.annotations(self, obj), Annotation1())
 
         class Signature2(Signature):
             def __init__(self):
                 super().__init__({
                     "clk": In(1),
                     "foo": Out(Signature1()),
+                    "oof": In(Signature1())
                 })
 
             def annotations(self, obj):
-                return (*super().annotations(obj), Annotation1())
+                return (*Signature.annotations(self, obj), Annotation1())
 
         class A(Component):
             def __init__(self):
@@ -1253,6 +1254,32 @@ def __init__(self):
                             },
                         },
                     },
+                    "oof": {
+                        "type": "interface",
+                        "members": {
+                            "i": {
+                                "type": "port",
+                                "name": "oof__i",
+                                "dir": "out",
+                                "width": 8,
+                                "signed": False,
+                                "init": "42",
+                            },
+                            "o": {
+                                "type": "port",
+                                "name": "oof__o",
+                                "dir": "in",
+                                "width": 4,
+                                "signed": True,
+                                "init": "0",
+                            },
+                        },
+                        "annotations": {
+                            "https://example.com/schema/foo/0.1/bar.json": {
+                                "hello": True,
+                            },
+                        },
+                    },
                 },
                 "annotations": {
                     "https://example.com/schema/foo/0.1/bar.json": {