code: def test_style_guide_manager_pre_file_ignores_parsing():
      """Verify how the StyleGuideManager creates a default style guide."""
      formatter = mock.create_autospec(
          base.BaseFormatter, instance=True
      )
      options = create_options(
          per_file_ignores=PER_FILE_IGNORES_UNPARSED
      )
      guide = style_guide.StyleGuideManager(
          options, formatter=formatter
      )
      assert len(guide.style_guides) == 5
      expected = [
          utils.normalize_path(p)
          for p in [
              "first_file.py",
              "second_file.py",
              "third_file.py",
              "sub_dir/*",
          ]
      ]
      assert expected == [g.filename for g in guide.style_guides[1:]]
  
file_path: flake8/tests/unit/test_style_guide.py
imports: from __future__ import annotations
  import argparse
  from unittest import mock
  import pytest
  from flake8 import statistics
  from flake8 import style_guide
  from flake8 import utils
  from flake8.formatting import base
label_desc: Use image node_id 5 for calling a global function with example usage: test_style_guide_manager_pre_file_ignores_parsing() without return types