fix scalar as list with multi selects (#141)

demo/forms.py

@@ -127,6 +127,14 @@ class SelectForm(BaseModel):
  search_select_single: str = Field(json_schema_extra={'search_url': '/api/forms/search'})
  search_select_multiple: list[str] = Field(json_schema_extra={'search_url': '/api/forms/search'})
 
+ @field_validator('select_multiple', 'search_select_multiple', mode='before')
+ @classmethod
+ def correct_select_multiple(cls, v: list[str]) -> list[str]:
+ if isinstance(v, list):
+ return v
+ else:
+ return [v]
+
 
 @router.post('/select', response_model=FastUI, response_model_exclude_none=True)
 async def select_form_post(form: Annotated[SelectForm, fastui_form(SelectForm)]):

demo/tests.py

@@ -5,6 +5,7 @@
 from fastapi.testclient import TestClient
 
 from . import app
+from .forms import ToolEnum
 
 
 @pytest.fixture
@@ -74,4 +75,20 @@ def test_menu_links(client: TestClient, url: str):
  assert isinstance(data, list)
 
 
+def test_forms_validate_correct_select_multiple():
+ with client as _client:
+ countries = _client.get('api/forms/search', params={'q': None})
+ countries_options = countries.json()['options']
+ r = client.post(
+ 'api/forms/select',
+ data={
+ 'select_single': ToolEnum._member_names_[0],
+ 'select_multiple': ToolEnum._member_names_[0],
+ 'search_select_single': countries_options[0]['options'][0]['value'],
+ 'search_select_multiple': countries_options[0]['options'][0]['value'],
+ },
+ )
+ assert r.status_code == 200
+
+
 # TODO tests for forms, including submission