content: import unittest
  from unittest.mock import patch
  
  from pyecharts import options as opts
  from pyecharts.charts import LMap
  from pyecharts.globals import ChartType
  
  TEST_LOCATION = ["London"]
  TEST_VALUE = [1]
  
  
  class TestLMapChart(unittest.TestCase):
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_amap(self, fake_writer):
          lmap = (
              LMap()
              .add_schema(center=[-0.118092, 51.509865])
              .add_coordinate("London", -0.118092, 51.509865)
              .add(
                  "lmap",
                  [list(z) for z in zip(TEST_LOCATION, TEST_VALUE)],
                  label_opts=opts.LabelOpts(formatter="{b}"),
              )
          )
          lmap.render()
          content = fake_writer.call_args[0][1]
          self.assertIn('"coordinateSystem": "lmap"', content, "non lmap found")
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_amap_polyline_and_large(self, fake_writer):
          lmap = (
              LMap()
              .add_schema(center=[-0.118092, 51.509865])
              .add_coordinate("London", -0.118092, 51.509865)
              .add(
                  "lmap",
                  [list(z) for z in zip(TEST_LOCATION, TEST_VALUE)],
                  is_polyline=True,
                  is_large=True,
                  type_=ChartType.LINES,
                  label_opts=opts.LabelOpts(formatter="{b}"),
              )
          )
          lmap.render()
          content = fake_writer.call_args[0][1]
          self.assertIn('"polyline": true', content, "polyline parameter is error")
          self.assertIn('"large": true', content, "large parameter is error")
  
      def test_amap_heatmap(self):
          lmap = (
              LMap()
              .add_schema(center=[-0.118092, 51.509865])
              .add_coordinate("London", -0.118092, 51.509865)
              .add(
                  "lmap",
                  [list(z) for z in zip(TEST_LOCATION, TEST_VALUE)],
                  label_opts=opts.LabelOpts(formatter="{b}"),
              )
          )
          data = lmap.options.get("series")[0]["data"]
          for item in data:
              self.assertIn("name", item)
              self.assertIn("value", item)
  