fix(test): use data parameter instead of json

Author: aekasitt

tests/flexible/cookie_form.py

@@ -68,7 +68,7 @@ def _() -> tuple[tuple[str, str], ...]:
   payload: dict[str, str] = {"csrf-token": csrf_token} if csrf_token is not None else {}
 
   ### Post to protected endpoint ###
-  response = flexible_client.post("/protected", json=payload)
+  response = flexible_client.post("/protected", data=payload, headers=headers)
 
   ### Assertions ###
   assert response.status_code == 200
@@ -77,7 +77,7 @@ def _() -> tuple[tuple[str, str], ...]:
   assert cookie_token is None
 
   ### Immediately get protected contents again ###
-  response = flexible_client.post("/protected", json=payload, headers=headers)
+  response = flexible_client.post("/protected", data=payload, headers=headers)
 
   ### Assertions ###
   assert response.status_code == 400
@@ -119,7 +119,7 @@ def _() -> tuple[tuple[str, str], ...]:
   payload: dict[str, str] = {"csrf-token": csrf_token} if csrf_token is not None else {}
 
   ### Post to protected endpoint but fails because TestClients defaults to http ###
-  response = flexible_client.post("/protected", json=payload, headers=headers)
+  response = flexible_client.post("/protected", data=payload, headers=headers)
 
   ### Assertions ###
   assert response.status_code == 400
@@ -187,7 +187,7 @@ def _() -> tuple[tuple[str, str], ...]:
   payload: dict[str, str] = {"csrf-token": csrf_token} if csrf_token is not None else {}
 
   ### Post to protected endpoint ###
-  response = flexible_client.post("/protected", json=payload, headers=headers)
+  response = flexible_client.post("/protected", data=payload, headers=headers)
 
   ### Assertions ###
   assert response.status_code == 200
@@ -196,7 +196,7 @@ def _() -> tuple[tuple[str, str], ...]:
   assert cookie_token is None
 
   ### Immediately get protected contents again ###
-  response = flexible_client.post("/protected", json=payload, headers=headers)
+  response = flexible_client.post("/protected", data=payload, headers=headers)
 
   ### Assertions ###
   assert response.status_code == 400