text: global.stub_out_jquery();
  
  set_global('page_params', {
      development_environment: true,
  });
  set_global('compose_ui', {});
  
  const { JSDOM } = require("jsdom");
  const { window } = new JSDOM('<!DOCTYPE html><p>Hello world</p>');
  const { document } = window;
  global.document = document;
  global.$ = require('jquery')(window);
  
  const copy_and_paste = zrequire('copy_and_paste');
  
  // Super stripped down version of the code in the drag-mock library
  // https://github.com/andywer/drag-mock/blob/6d46c7c0ffd6a4d685e6612a90cd58cda80f30fc/src/DataTransfer.js
  const DataTransfer = function () {
      this.dataByFormat = {};
  };
  DataTransfer.prototype.getData = function (dataFormat) {
      return this.dataByFormat[dataFormat];
  };
  DataTransfer.prototype.setData = function (dataFormat, data) {
      this.dataByFormat[dataFormat] = data;
  };
  
  const createPasteEvent = function () {
      const clipboardData = new DataTransfer();
      const pasteEvent = new window.Event('paste');
      pasteEvent.clipboardData = clipboardData;
      return $.Event(pasteEvent);
  };
  
  run_test('paste_handler', () => {
  
      let input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;"><span> </span>love the<span> </span><b>Zulip</b><b> </b></span><b style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">Organization</b><span style="color: hsl(0, 0%, 13%); font-family: arial, sans-serif; font-size: 12.8px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">.</span>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   ' love the  **Zulip** **Organization**.');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">The<span> </span></span><code style="box-sizing: border-box; font-family: SFMono-Regular, Consolas, &quot;Liberation Mono&quot;, Menlo, Courier, monospace; font-size: 13.6px; padding: 0.2em 0.4em; margin: 0px; background-color: hsla(210, 13%, 12%, 0.05); border-radius: 3px; color: hsl(210, 12%, 16%); font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">JSDOM</code><span style="color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span> </span>constructor</span>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   'The `JSDOM` constructor');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><a href="https://zulip.readthedocs.io/en/latest/subsystems/logging.html" target="_blank" title="https://zulip.readthedocs.io/en/latest/subsystems/logging.html" style="color: hsl(200, 100%, 40%); text-decoration: none; cursor: pointer; font-family: &quot;Source Sans Pro&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%);">https://zulip.readthedocs.io/en/latest/subsystems/logging.html</a>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   'https://zulip.readthedocs.io/en/latest/subsystems/logging.html');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><a class="reference external" href="https://zulip.readthedocs.io/en/latest/overview/contributing.html" style="box-sizing: border-box; color: hsl(283, 39%, 53%); text-decoration: none; cursor: pointer; outline: 0px; font-family: Lato, proxima-nova, &quot;Helvetica Neue&quot;, Arial, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 99%);">Contributing to Zulip</a>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   '[Contributing to Zulip](https://zulip.readthedocs.io/en/latest/overview/contributing.html)');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><span style="color: hsl(0, 0%, 0%); font-family: &quot;Helvetica Neue&quot;, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">1. text</span>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   '1. text');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><h1 style="box-sizing: border-box; font-size: 2em; margin-top: 0px !important; margin-right: 0px; margin-bottom: 16px; margin-left: 0px; font-weight: 600; line-height: 1.25; padding-bottom: 0.3em; border-bottom: 1px solid hsl(216, 14%, 93%); color: hsl(210, 12%, 16%); font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Helvetica, Arial, sans-serif, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">Zulip overview</h1>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   'Zulip overview');
  
      input = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><i style="box-sizing: inherit; color: hsl(0, 0%, 0%); font-family: Verdana, sans-serif; font-size: 15px; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: hsl(0, 0%, 100%); text-decoration-style: initial; text-decoration-color: initial;">This text is italic</i>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   '*This text is italic*');
  
      input = '<div class="preview-content"><div class="comment"><div class="comment-body markdown-body js-preview-body" style="min-height: 131px;"><p>Test List:</p><ul><li>Item 1</li><li>Item 2</li></ul></div></div></div>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   'Test List:\n*   Item 1\n*   Item 2');
  
      input = '<div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z ace-ltr focused-line" dir="auto" id="editor-3-ace-line-41"><span>Test List:</span></div><div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z line-list-type-bullet ace-ltr" dir="auto" id="editor-3-ace-line-42"><ul class="listtype-bullet listindent1 list-bullet1"><li><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="end"></span><span class="ace-line-pocket" data-faketext="" contenteditable="false"></span><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="start"></span><span>Item 1</span></li></ul></div><div class="ace-line gutter-author-d-iz88z86z86za0dz67zz78zz78zz74zz68zjz80zz71z9iz90za3z66zs0z65zz65zq8z75zlaz81zcz66zj6g2mz78zz76zmz66z22z75zfcz69zz66z line-list-type-bullet ace-ltr" dir="auto" id="editor-3-ace-line-43"><ul class="listtype-bullet listindent1 list-bullet1"><li><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="end"></span><span class="ace-line-pocket" data-faketext="" contenteditable="false"></span><span class="ace-line-pocket-zws" data-faketext="" data-contentcollector-ignore-space-at="start"></span><span>Item 2</span></li></ul></div>';
      assert.equal(copy_and_paste.paste_handler_converter(input),
                   'Test List:\n*   Item 1\n*   Item 2');
  
      let data = '<p>text</p>';
      let event = createPasteEvent();
      event.originalEvent.clipboardData.setData('text/html', data);
      let insert_syntax_and_focus_called = false;
      compose_ui.insert_syntax_and_focus = function () {
          insert_syntax_and_focus_called = true;
      };
      copy_and_paste.paste_handler(event);
      assert(insert_syntax_and_focus_called);
  
      data = '<meta http-equiv="content-type" content="text/html; charset=utf-8"><img src="http://localhost:9991/thumbnail?url=user_uploads%2F1%2Fe2%2FHPMCcGWOG9rS2M4ybHN8sEzh%2Fpasted_image.png&amp;size=full"/>';
      event = createPasteEvent();
      event.originalEvent.clipboardData.setData('text/html', data);
      insert_syntax_and_focus_called = false;
      copy_and_paste.paste_handler(event);
      assert(!insert_syntax_and_focus_called);
  
  });
  