content: import unittest
  from unittest.mock import patch
  
  from pyecharts import options as opts
  from pyecharts.charts import Boxplot
  
  
  class TestBoxplotChart(unittest.TestCase):
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_boxplot_base(self, fake_writer):
          v1 = [
              [850, 740, 900, 1070, 930, 850, 950, 980, 980, 880, 1000, 980],
              [960, 940, 960, 940, 880, 800, 850, 880, 900, 840, 830, 790],
          ]
          v2 = [
              [890, 810, 810, 820, 800, 770, 760, 740, 750, 760, 910, 920],
              [890, 840, 780, 810, 760, 810, 790, 810, 820, 850, 870, 870],
          ]
          c = Boxplot()
          c.add_xaxis(["expr1", "expr2"]).add_yaxis(
              "A", c.prepare_data(v1), box_width=40
          ).add_yaxis("B", c.prepare_data(v2))
          c.render()
          _, content = fake_writer.call_args[0]
          self.assertEqual(c.theme, "white")
          self.assertEqual(c.renderer, "canvas")
          self.assertIn("boxWidth", content)
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_boxplot_base_v1(self, fake_writer):
          v1 = [
              [1000, 1000, 1000],
              [200, 200, 200],
          ]
          v2 = [
              [1000, 1000, 1000],
              [200, 200, 200],
          ]
          c = Boxplot()
          c.add_xaxis(["expr1", "expr2"]).add_yaxis(
              "A", c.prepare_data(v1), box_width=40
          ).add_yaxis("B", c.prepare_data(v2))
          c.render()
          _, content = fake_writer.call_args[0]
          self.assertEqual(c.theme, "white")
          self.assertEqual(c.renderer, "canvas")
          self.assertIn("boxWidth", content)
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_boxplot_base_v2(self, fake_writer):
          v1 = [
              None,
              [200, 200, 200],
          ]
          v2 = [
              [1000, None, 1000],
              [200, 200, 200],
          ]
          c = Boxplot()
          c.add_xaxis(["expr1", "expr2"]).add_yaxis(
              "A", c.prepare_data(v1), box_width=40
          ).add_yaxis("B", c.prepare_data(v2))
          c.render()
          _, content = fake_writer.call_args[0]
          self.assertEqual(c.theme, "white")
          self.assertEqual(c.renderer, "canvas")
          self.assertIn("boxWidth", content)
  
      @patch("pyecharts.render.engine.write_utf8_html_file")
      def test_boxplot_item_base(self, fake_writer):
          x_axis = ["expr1", "expr2"]
          v1 = [
              [850, 740, 900, 1070, 930, 850, 950, 980, 980, 880, 1000, 980],
              [960, 940, 960, 940, 880, 800, 850, 880, 900, 840, 830, 790],
          ]
          v2 = [
              [890, 810, 810, 820, 800, 770, 760, 740, 750, 760, 910, 920],
              [890, 840, 780, 810, 760, 810, 790, 810, 820, 850, 870, 870],
          ]
          c = Boxplot()
  
          series_a = [
              opts.BoxplotItem(name=x_axis[0], value=d) for d in c.prepare_data(v1)
          ]
          series_b = [
              opts.BoxplotItem(name=x_axis[1], value=d) for d in c.prepare_data(v2)
          ]
  
          c.add_xaxis(xaxis_data=x_axis).add_yaxis("A", series_a).add_yaxis("B", series_b)
          c.render()
          _, content = fake_writer.call_args[0]
          self.assertEqual(c.theme, "white")
          self.assertEqual(c.renderer, "canvas")
  