code: def test_polyline_text_path():
      m = folium.Map([20.0, 0.0], zoom_start=3)
  
      wind_locations = [
          [59.355600, -31.99219],
          [55.178870, -42.89062],
          [47.754100, -43.94531],
          [38.272690, -37.96875],
          [27.059130, -41.13281],
          [16.299050, -36.56250],
          [8.4071700, -30.23437],
          [1.0546300, -22.50000],
          [-8.754790, -18.28125],
          [-21.61658, -20.03906],
          [-31.35364, -24.25781],
          [-39.90974, -30.93750],
          [-43.83453, -41.13281],
          [-47.75410, -49.92187],
          [-50.95843, -54.14062],
          [-55.97380, -56.60156],
      ]
  
      wind_line = folium.PolyLine(
          wind_locations, weight=15, color="#8EE9FF"
      )
      attr = {
          "fill": "#007DEF",
          "font-weight": "bold",
          "font-size": "24",
      }
      wind_textpath = plugins.PolyLineTextPath(
          wind_line, ") ", repeat=True, offset=7, attributes=attr
      )
  
      m.add_child(wind_line)
      m.add_child(wind_textpath)
  
      out = normalize(m._parent.render())
  
      # We verify that the script import is present.
      script = '<script src="https://cdn.jsdelivr.net/npm/leaflet-textpath@1.2.3/leaflet.textpath.min.js"></script>'  # noqa
      assert script in out
  
      # We verify that the script part is correct.
      tmpl = Template(
          """
          {{ this.polyline.get_name() }}.setText(
              "{{this.text}}",
              {{ this.options|tojson }}
          );
          """
      )
  
      expected = normalize(tmpl.render(this=wind_textpath))
      assert expected in out
  
imports: from jinja2 import Template
  import folium
  from folium import plugins
  from folium.utilities import normalize
label_desc: Use image node_id 1 for calling a global function with example usage: test_polyline_text_path() without return types