text: # coding=utf-8
  from __future__ import unicode_literals
  
  import sys
  
  from pyecharts import TreeMap
  
  PY2 = sys.version_info[0] == 2
  
  data = [
      {"value": 40, "name": "我是A"},
      {
          "value": 180,
          "name": "我是B",
          "children": [
              {
                  "value": 76,
                  "name": "我是B.children",
                  "children": [
                      {"value": 12, "name": "我是B.children.a"},
                      {"value": 28, "name": "我是B.children.b"},
                      {"value": 20, "name": "我是B.children.c"},
                      {"value": 16, "name": "我是B.children.d"},
                  ],
              }
          ],
      },
  ]
  
  
  def test_treemap_default():
      treemap = TreeMap("树图-默认示例", width=1200, height=600)
      treemap.add("演示数据", data, is_label_show=True, label_pos='inside')
      treemap.render()
  
  
  def test_treemap_drilldown():
      treemap = TreeMap("树图-下钻示例", width=1200, height=600)
      treemap.add(
          "演示数据",
          data,
          is_label_show=True,
          label_pos='inside',
          treemap_left_depth=1,
      )
      treemap.render()
  
  
  def test_treemap_offcical_data():
      treemap = TreeMap("树图-官方数据", width=1200, height=600)
      import os
      import json
      import codecs
  
      test_fixture = os.path.join("fixtures", "treemap.json")
      with codecs.open(test_fixture, "r", encoding='utf-8') as f:
          data = json.load(f)
      treemap.add("演示数据", data, is_label_show=True, label_pos='inside')
      treemap.render()
  