code: def test_expected_pres(self):
      markdown_string = "# title\n---\ntransition: zoom, fade, fade\n# Colors\nColors are everywhere around us.\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nImage(https://raw.githubusercontent.com/jackparmer/gradient-backgrounds/master/moods1.png)\n```python\nx=1\n```\n---\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\nPlotly(https://plotly.com/~AdamKulidjian/3564/)\n---\n"
  
      my_pres = pres.Presentation(
          markdown_string, style="moods", imgStretch=True
      )
  
      exp_pres = {
          "presentation": {
              "paragraphStyles": {
                  "Body": {
                      "color": "#000016",
                      "fontFamily": "Roboto",
                      "fontSize": 16,
                      "fontStyle": "normal",
                      "fontWeight": 100,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                      "wordBreak": "break-word",
                  },
                  "Body Small": {
                      "color": "#3d3d3d",
                      "fontFamily": "Open Sans",
                      "fontSize": 10,
                      "fontStyle": "normal",
                      "fontWeight": 400,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                  },
                  "Caption": {
                      "color": "#3d3d3d",
                      "fontFamily": "Open Sans",
                      "fontSize": 11,
                      "fontStyle": "italic",
                      "fontWeight": 400,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                  },
                  "Heading 1": {
                      "color": "#000016",
                      "fontFamily": "Roboto",
                      "fontSize": 55,
                      "fontStyle": "normal",
                      "fontWeight": 900,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                  },
                  "Heading 2": {
                      "color": "#000016",
                      "fontFamily": "Roboto",
                      "fontSize": 36,
                      "fontStyle": "normal",
                      "fontWeight": 900,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                  },
                  "Heading 3": {
                      "color": "#000016",
                      "fontFamily": "Roboto",
                      "fontSize": 30,
                      "fontStyle": "normal",
                      "fontWeight": 900,
                      "lineHeight": "normal",
                      "minWidth": 20,
                      "opacity": 1,
                      "textAlign": "center",
                      "textDecoration": "none",
                  },
              },
              "slidePreviews": [None for _ in range(496)],
              "slides": [
                  {
                      "children": [
                          {
                              "children": ["title"],
                              "defaultHeight": 36,
                              "defaultWidth": 52,
                              "id": "CfaAzcSZE",
                              "props": {
                                  "isQuote": False,
                                  "listType": None,
                                  "paragraphStyle": "Heading 1",
                                  "size": 4,
                                  "style": {
                                      "color": "#000016",
                                      "fontFamily": "Roboto",
                                      "fontSize": 55,
                                      "fontStyle": "normal",
                                      "fontWeight": 900,
                                      "height": 140.0,
                                      "left": 0.0,
                                      "lineHeight": "normal",
                                      "minWidth": 20,
                                      "opacity": 1,
                                      "position": "absolute",
                                      "textAlign": "center",
                                      "textDecoration": "none",
                                      "top": 350.0,
                                      "width": 1000.0,
                                  },
                              },
                              "resizeVertical": False,
                              "type": "Text",
                          }
                      ],
                      "id": "ibvfOQeNy",
                      "props": {
                          "style": {"backgroundColor": "#F7F7F7"},
                          "transition": ["slide"],
                      },
                  },
                  {
                      "children": [
                          {
                              "children": ["Colors"],
                              "defaultHeight": 36,
                              "defaultWidth": 52,
                              "id": "YcGQJ21AY",
                              "props": {
                                  "isQuote": False,
                                  "listType": None,
                                  "paragraphStyle": "Heading 1",
                                  "size": 4,
                                  "style": {
                                      "color": "#000016",
                                      "fontFamily": "Roboto",
                                      "fontSize": 55,
                                      "fontStyle": "normal",
                                      "fontWeight": 900,
                                      "height": 140.0,
                                      "left": 0.0,
                                      "lineHeight": "normal",
                                      "minWidth": 20,
                                      "opacity": 1,
                                      "position": "absolute",
                                      "textAlign": "center",
                                      "textDecoration": "none",
                                      "top": 0.0,
                                      "width": 1000.0,
                                  },
                              },
                              "resizeVertical": False,
                              "type": "Text",
                          },
                          {
                              "children": [
                                  "Colors are everywhere around us."
                              ],
                              "defaultHeight": 36,
                              "defaultWidth": 52,
                              "id": "G0tcGP89U",
                              "props": {
                                  "isQuote": False,
                                  "listType": None,
                                  "paragraphStyle": "Body",
                                  "size": 4,
                                  "style": {
                                      "color": "#000016",
                                      "fontFamily": "Roboto",
                                      "fontSize": 16,
                                      "fontStyle": "normal",
                                      "fontWeight": 100,
                                      "height": 14.0,
                                      "left": 25.0,
                                      "lineHeight": "normal",
                                      "minWidth": 20,
                                      "opacity": 1,
                                      "position": "absolute",
                                      "textAlign": "left",
                                      "textDecoration": "none",
                                      "top": 663.0810810810812,
                                      "width": 950.0000000000001,
                                      "wordBreak": "break-word",
                                  },
                              },
                              "resizeVertical": False,
                              "type": "Text",
                          },
                          {
                              "children": [],
                              "id": "c4scRvuIe",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 280.0,
                                      "left": 0.0,
                                      "position": "absolute",
                                      "top": 70.0,
                                      "width": 330.66666666666663,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "yScDKejKG",
                              "props": {
                                  "height": 512,
                                  "imageName": None,
                                  "src": "https://raw.githubusercontent.com/jackparmer/gradient-backgrounds/master/moods1.png",
                                  "style": {
                                      "height": 280.0,
                                      "left": 334.66666666666663,
                                      "opacity": 1,
                                      "position": "absolute",
                                      "top": 70.0,
                                      "width": 330.66666666666663,
                                  },
                                  "width": 512,
                              },
                              "type": "Image",
                          },
                          {
                              "children": [],
                              "defaultText": "Code",
                              "id": "fuUrIyVrv",
                              "props": {
                                  "language": "python",
                                  "source": "x=1\n",
                                  "style": {
                                      "fontFamily": "Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace",
                                      "fontSize": 13,
                                      "height": 280.0,
                                      "left": 669.3333333333333,
                                      "margin": 0,
                                      "position": "absolute",
                                      "textAlign": "left",
                                      "top": 70.0,
                                      "width": 330.66666666666663,
                                  },
                                  "theme": "tomorrowNight",
                              },
                              "type": "CodePane",
                          },
                      ],
                      "id": "7eG6TvKqU",
                      "props": {
                          "style": {"backgroundColor": "#FFFFFF"},
                          "transition": ["zoom", "fade"],
                      },
                  },
                  {
                      "children": [
                          {
                              "children": [],
                              "id": "83EtFjFKM",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 0.0,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "V9vJYk8bF",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 100.57142857142856,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "DzCfXMyhv",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 201.1428571428571,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "YFf7M2BON",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 301.71428571428567,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "CARvApdzw",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 402.2857142857142,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "194ZxaSko",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 502.85714285714283,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                          {
                              "children": [],
                              "id": "SOwRH1rLV",
                              "props": {
                                  "frameBorder": 0,
                                  "scrolling": "no",
                                  "src": "https://plotly.com/~AdamKulidjian/3564/.embed?link=false",
                                  "style": {
                                      "height": 96.57142857142857,
                                      "left": 400.0,
                                      "position": "absolute",
                                      "top": 603.4285714285713,
                                      "width": 600.0,
                                  },
                              },
                              "type": "Plotly",
                          },
                      ],
                      "id": "S6VmZlI5Q",
                      "props": {
                          "style": {"backgroundColor": "#FFFFFF"},
                          "transition": ["slide"],
                      },
                  },
              ],
              "version": "0.1.3",
          }
      }
  
      for k in ["version", "paragraphStyles", "slidePreviews"]:
          self.assertEqual(
              my_pres["presentation"][k], exp_pres["presentation"][k]
          )
  
      self.assertEqual(
          len(my_pres["presentation"]["slides"]),
          len(exp_pres["presentation"]["slides"]),
      )
  
      for slide_idx in range(len(my_pres["presentation"]["slides"])):
          childs = my_pres["presentation"]["slides"][slide_idx][
              "children"
          ]
          # transitions and background color
          self.assertEqual(
              my_pres["presentation"]["slides"][slide_idx]["props"],
              exp_pres["presentation"]["slides"][slide_idx]["props"],
          )
          for child_idx in range(len(childs)):
              # check urls
              if my_pres["presentation"]["slides"][slide_idx][
                  "children"
              ][child_idx]["type"] in ["Image", "Plotly"]:
                  self.assertEqual(
                      (
                          my_pres["presentation"]["slides"][slide_idx][
                              "children"
                          ][child_idx]["props"]
                      ),
                      (
                          exp_pres["presentation"]["slides"][slide_idx][
                              "children"
                          ][child_idx]["props"]
                      ),
                  )
  
              # styles in children
              self.assertEqual(
                  (
                      my_pres["presentation"]["slides"][slide_idx][
                          "children"
                      ][child_idx]["props"]
                  ),
                  (
                      exp_pres["presentation"]["slides"][slide_idx][
                          "children"
                      ][child_idx]["props"]
                  ),
              )
  
file_path: plotly.py/packages/python/chart-studio/chart_studio/tests/test_plot_ly/test_spectacle_presentation/test_spectacle_presentation.py
imports: from __future__ import absolute_import
  from unittest import TestCase
  from _plotly_utils.exceptions import PlotlyError
  import chart_studio
  import chart_studio.presentation_objs
label_desc: Use image node_id 4 for calling the TestPresentation obj's underlying member method code with example usage: obj.test_expected_pres() without return types