fix: pass slider input values correctly, add test (#5735)

* ✨ (base.py): Update field validation to include "slider" type in addition to "float" type for better parameter handling
📝 (constants.py): Add "slider" type to the list of DIRECT_TYPES for consistency and completeness

* ✅ (test_inputs.py): add unit test for SliderInput class to ensure it initializes with correct value

* 🐛 (base.py): fix comparison of field type with a list by changing it to a set to ensure correct condition evaluation

* [autofix.ci] apply automated fixes

* fix format

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

src/backend/base/langflow/graph/vertex/base.py

@@ -395,7 +395,7 @@ class Vertex:
                         params[field_name] = int(val)
                     except ValueError:
                         params[field_name] = val
-                elif field.get("type") == "float" and val is not None:
+                elif field.get("type") in {"float", "slider"} and val is not None:
                     try:
                         params[field_name] = float(val)
                     except ValueError:

src/backend/base/langflow/utils/constants.py

@@ -52,18 +52,7 @@ def python_function(text: str) -> str:
 
 
 PYTHON_BASIC_TYPES = [str, bool, int, float, tuple, list, dict, set]
-DIRECT_TYPES = [
+DIRECT_TYPES = ["str", "bool", "dict", "int", "float", "Any", "prompt", "code", "NestedDict", "table", "slider"]
-    "str",
-    "bool",
-    "dict",
-    "int",
-    "float",
-    "Any",
-    "prompt",
-    "code",
-    "NestedDict",
-    "table",
-]
 
 
 LOADERS_INFO: list[dict[str, Any]] = [

src/backend/tests/unit/inputs/test_inputs.py

@@ -17,6 +17,7 @@ from langflow.inputs.inputs import (
     NestedDictInput,
     PromptInput,
     SecretStrInput,
+    SliderInput,
     StrInput,
     TableInput,
 )
@@ -30,6 +31,11 @@ def test_table_input_valid():
     assert data.value == [{"key": "value"}, {"key2": "value2"}]
 
 
+def test_slider_input_valid():
+    data = SliderInput(name="valid_slider", value=10)
+    assert data.value == 10
+
+
 def test_table_input_invalid():
     with pytest.raises(ValidationError):
         TableInput(name="invalid_table", value="invalid")