working on improving component loading

tests/core/test_utils.py

@@ -1,6 +1,6 @@
 import pytest
 
-from myfasthtml.core.utils import flatten, make_html_id
+from myfasthtml.core.utils import flatten, make_html_id, pascal_to_snake, snake_to_pascal
 
 
 @pytest.mark.parametrize("input_args,expected,test_description", [
@@ -64,3 +64,46 @@ def test_i_can_flatten(input_args, expected, test_description):
 ])
 def test_i_can_have_valid_html_id(string, expected):
   assert make_html_id(string) == expected
+
+
+@pytest.mark.parametrize("input_str, expected, test_description", [
+    ("MyClass", "my_class", "simple PascalCase"),
+    ("myVariable", "my_variable", "camelCase"),
+    ("HTTPServer", "http_server", "short uppercase sequence"),
+    ("XMLHttpRequest", "xml_http_request", "long uppercase sequence"),
+    ("A", "a", "single letter"),
+    ("already_snake", "already_snake", "already snake_case"),
+    ("MyClass123", "my_class123", "with numbers"),
+    ("MyLongClassName", "my_long_class_name", "long class name"),
+    ("  MyClass  ", "my_class", "with spaces to trim"),
+    ("iPhone", "i_phone", "starts lowercase then uppercase"),
+    (None, None, "None input"),
+    ("", "", "empty string"),
+    ("   ", "", "only spaces"),
+])
+def test_i_can_convert_pascal_to_snake(input_str, expected, test_description):
+    """Test that pascal_to_snake correctly converts PascalCase/camelCase to snake_case."""
+    result = pascal_to_snake(input_str)
+    assert result == expected, f"Failed for test case: {test_description}"
+
+
+@pytest.mark.parametrize("input_str, expected, test_description", [
+    ("my_class", "MyClass", "simple snake_case"),
+    ("my_long_class_name", "MyLongClassName", "long class name"),
+    ("a", "A", "single letter"),
+    ("myclass", "Myclass", "no underscore"),
+    ("  my_class  ", "MyClass", "with spaces to trim"),
+    ("my__class", "MyClass", "multiple consecutive underscores"),
+    ("_my_class", "MyClass", "starts with underscore"),
+    ("my_class_", "MyClass", "ends with underscore"),
+    ("_my_class_", "MyClass", "starts and ends with underscore"),
+    ("my_class_123", "MyClass123", "with numbers"),
+    (None, None, "None input"),
+    ("", "", "empty string"),
+    ("   ", "", "only spaces"),
+    ("___", "", "only underscores"),
+])
+def test_i_can_convert_snake_to_pascal(input_str, expected, test_description):
+    """Test that snake_to_pascal correctly converts snake_case to PascalCase."""
+    result = snake_to_pascal(input_str)
+    assert result == expected, f"Failed for test case: {test_description}"