fix(fetch): serialize numbers and booleans in dictionary multipart data

Author: alok-108

playwright/_impl/_fetch.py

@@ -417,24 +417,15 @@ async def _inner_fetch(
                 form_data = object_to_array(form)
         elif multipart:
             multipart_data = []
-            if isinstance(multipart, FormData):
-                for fd_name, fd_value in multipart._fields:
-                    multipart_data.append(
-                        await _form_data_field_to_form_field(fd_name, fd_value)
-                    )
-            else:
-                # Convert file-like values to ServerFilePayload structs.
-                for name, value in multipart.items():
-                    if is_file_payload(value):
-                        payload = cast(FilePayload, value)
-                        assert isinstance(
-                            payload["buffer"], bytes
-                        ), f"Unexpected buffer type of 'data.{name}'"
-                        multipart_data.append(
-                            FormField(name=name, file=file_payload_to_json(payload))
-                        )
-                    elif isinstance(value, str):
-                        multipart_data.append(FormField(name=name, value=value))
+            fields = (
+                multipart._fields
+                if isinstance(multipart, FormData)
+                else multipart.items()
+            )
+            for name, value in fields:
+                multipart_data.append(
+                    await _form_data_field_to_form_field(name, value)
+                )
         if (
             post_data_buffer is None
             and json_data is None

tests/async/test_fetch_browser_context.py

@@ -345,6 +345,9 @@ async def test_should_support_multipart_form_data(
             multipart={
                 "firstName": "John",
                 "lastName": "Doe",
+                "age": 30,
+                "score": 42.5,
+                "active": True,
                 "file": file,
             },
         ),
@@ -358,6 +361,9 @@ async def test_should_support_multipart_form_data(
     )
     assert request.args[b"firstName"] == [b"John"]
     assert request.args[b"lastName"] == [b"Doe"]
+    assert request.args[b"age"] == [b"30"]
+    assert request.args[b"score"] == [b"42.5"]
+    assert request.args[b"active"] == [b"True"]
     assert request.args[b"file"][0] == file["buffer"]
 
 

tests/sync/test_fetch_browser_context.py

@@ -269,6 +269,9 @@ def test_should_support_multipart_form_data(
             multipart={
                 "firstName": "John",
                 "lastName": "Doe",
+                "age": 30,
+                "score": 42.5,
+                "active": True,
                 "file": file,
             },
         )
@@ -281,6 +284,9 @@ def test_should_support_multipart_form_data(
     )
     assert server_req.value.args[b"firstName"] == [b"John"]
     assert server_req.value.args[b"lastName"] == [b"Doe"]
+    assert server_req.value.args[b"age"] == [b"30"]
+    assert server_req.value.args[b"score"] == [b"42.5"]
+    assert server_req.value.args[b"active"] == [b"True"]
     assert server_req.value.args[b"file"][0] == file["buffer"]