class_docstr: Class of Unit test for style_utils
class_docstr_tok: ["Class","of","Unit","test","for","style_utils"]
docstr: test of colors_loading
docstr_tok: ["test","of","colors_loading"]
code: def test_colors_loading(self):
      """
      test of colors_loading
      """
      all_colors = colors_loading()
      for palette in all_colors.keys():
          for cle in all_colors[palette].keys():
              entries = all_colors[palette][cle]
              if isinstance(entries, dict):
                  check_list = list(entries.values())
              elif isinstance(entries, str):
                  check_list = [entries]
              else:
                  check_list = entries
              for colors in check_list:
                  if self.rgb_string_detector(colors) is False:
                      print(colors)
                  assert self.rgb_string_detector(colors) is True
  
file_path: shapash/tests/unit_tests/style/test_style_utils.py
imports: import unittest
  import re
  from shapash.style.style_utils import colors_loading, select_palette, define_style, convert_str_color_to_plt_format, get_pyplot_color
label_desc: Use image node_id 3 for calling the TestStyle_utils obj's underlying member method code with example usage: obj.test_colors_loading() without return types