Test the parsing

moto/moto_proxy/utils.py

@@ -6,8 +6,58 @@ import multipart
 def get_body_from_form_data(
     body: bytes, boundary: str
 ) -> Tuple[Optional[bytes], Dict[str, str]]:
-    parser = multipart.MultipartParser(boundary=boundary)
+    print("YO BYTES", body)
+
+    def on_part_begin(string: str):
+        print("YO PART BEGAN")
+        return
+
+    def on_part_data(b,s,e):
+        print("YO PART DATA", b, s, e)
+        return
+
+    def on_part_end(string: str):
+        print("YO PART ENDED")
+        return
+
+    def on_header_begin():
+        print("YO HEADER BEGIN")
+        return
+
+    def on_header_end():
+        print("YO HEADER END")
+        return
+
+    def on_header_field(b,s,e):
+        print("YO HEADER FIELD", b, s, e)
+        return
+
+    def on_header_value(b,s,e):
+        print("YO HEADER FIELD", b, s, e)
+        return
+
+    def on_headers_finished():
+        print("YO HEADER FINISHED")
+        return
+
+    def on_end():
+        print("YO END")
+        return
+
+    parser = multipart.MultipartParser(boundary=boundary,
+                                       callbacks={
+                                           "on_part_begin": on_part_begin,
+                                           "on_part_data": on_part_data,
+                                           "on_part_end": on_part_end,
+                                           "on_header_field": on_header_field,
+                                           "on_header_value": on_header_value,
+                                           "on_header_end": on_header_end,
+                                           "on_headers_finished": on_headers_finished,
+                                           "on_end": on_end,
+                                       },
+                                       )
     parser.write(body)
+    parser.finalize(body)
     data = None
     headers: Dict[str, str] = {}
     for prt in parser.parts():