# all files / test/unit/base/module/ Editor.spec.js

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     /**
     * Editor.spec.js
     * (c) 2015~ Summernote Team
     * summernote may be freely distributed under the MIT license./
     */

    import chai from 'chai';
    import spies from 'chai-spies';
    import chaidom from '../../../chaidom';
    import $ from 'jquery';
    import env from '../../../../src/js/base/core/env';
    import range from '../../../../src/js/base/core/range';
    import Context from '../../../../src/js/base/Context';

    const expect = chai.expect;
    chai.use(spies);
    chai.use(chaidom);

    function expectContents(context, markup) {
      expect(context.layoutInfo.editable.html()).to.equalsIgnoreCase(markup);
    }

    function expectToHaveBeenCalled(context, customEvent, handler) {
      const $note = context.layoutInfo.note;
      const spy = chai.spy();
      $note.on(customEvent, spy);
      handler();
      expect(spy).to.have.been.called();
    }

    describe('Editor', () => {
      var editor, context;

      beforeEach(function() {
        var options = $.extend({}, $.summernote.options);
        options.langInfo = $.extend(true, {}, $.summernote.lang['en-US'], $.summernote.lang[options.lang]);
        context = new Context($('<div><p>hello</p></div>'), options);
        editor = context.modules.editor;

        // [workaround]
        //  - Firefox need setTimeout for applying contents
        //  - IE8-11 can't create range in headless mode
        Iif (!(env.isWebkit || env.isEdge)) {
          this.skip();
        }
      });

      describe('initialize', () => {
        it('should bind custom events', () => {
          [
            'keydown', 'keyup', 'blur', 'mousedown', 'mouseup',
            'scroll', 'focusin', 'focusout'
          ].forEach((eventName) => {
            expectToHaveBeenCalled(context, 'summernote.' + eventName, () => {
              context.layoutInfo.editable.trigger(eventName);
            });
          });

          expectToHaveBeenCalled(context, 'summernote.change', () => {
            editor.insertText('hello');
          });
        });
      });

      Eif (env.isWebkit) {
        describe('undo and redo', () => {
          it('should control history', () => {
            editor.insertText(' world');
            expectContents(context, '<p>hello world</p>');

            editor.undo();
            expectContents(context, '<p>hello</p>');

            editor.redo();
            expectContents(context, '<p>hello world</p>');
          });
        });
      }

      describe('tab', () => {
        it('should insert tab', () => {
          editor.tab();
          expectContents(context, '<p>hello&nbsp;&nbsp;&nbsp;&nbsp;</p>');
        });
      });

      describe('insertParagraph', () => {
        it('should insert paragraph', () => {
          editor.insertParagraph();
          expectContents(context, '<p>hello</p><p><br></p>');

          editor.insertParagraph();
          expectContents(context, '<p>hello</p><p><br></p><p><br></p>');
        });
      });

      Eif (env.isWebkit) {
        describe('insertImage', () => {
          it('should insert image', () => {
            var source = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAYAAAAGCAYAAADgzO9IAAAAF0lEQVQYGWP8////fwYsgAmLGFiIHhIAT+oECGHuN2UAAAAASUVORK5CYII=';
            return editor.insertImage(source, 'image').then(() => {
              expectContents(context, '<p>hello<img src="' + source + '" data-filename="image" style="width: 0px;"></p>');
            });
          });
        });
      }

      describe('insertOrderedList and insertUnorderedList', () => {
        it('should toggle paragraph to list', () => {
          editor.insertOrderedList();
          expectContents(context, '<ol><li>hello</li></ol>');

          editor.insertUnorderedList();
          expectContents(context, '<ul><li>hello</li></ul>');

          editor.insertUnorderedList();
          expectContents(context, '<p>hello</p>');
        });
      });

      describe('indent and outdent', () => {
        // [workaround] style is different by browser
        Eif (env.isPhantom) {
          it('should indent and outdent paragraph', () => {
            editor.indent();
            expectContents(context, '<p style="margin-left: 25px;">hello</p>');

            editor.outdent();
            expectContents(context, '<p style="">hello</p>');
          });
        }

        it('should indent and outdent list', () => {
          editor.insertOrderedList();
          expectContents(context, '<ol><li>hello</li></ol>');

          editor.indent();
          expectContents(context, '<ol><ol><li>hello</li></ol></ol>');

          editor.outdent();
          expectContents(context, '<ol><li>hello</li></ol>');
        });
      });

      describe('insertNode', () => {
        it('should insert node', () => {
          editor.insertNode($('<span> world</span>')[0]);
          expectContents(context, '<p>hello<span> world</span></p>');
        });

        it('should be limited', () => {
          var options = $.extend({}, $.summernote.options);
          options.langInfo = $.extend(true, {}, $.summernote.lang['en-US'], $.summernote.lang[options.lang]);
          options.maxTextLength = 5;
          context = new Context($('<div><p>hello</p></div>'), options);
          editor = context.modules.editor;

          editor.insertNode($('<span> world</span>')[0]);
          expectContents(context, '<p>hello</p>');
        });
      });

      describe('insertText', () => {
        it('should insert text', () => {
          editor.insertText(' world');
          expectContents(context, '<p>hello world</p>');
        });

        it('should be limited', () => {
          var options = $.extend({}, $.summernote.options);
          options.langInfo = $.extend(true, {}, $.summernote.lang['en-US'], $.summernote.lang[options.lang]);
          options.maxTextLength = 5;
          context = new Context($('<div><p>hello</p></div>'), options);
          editor = context.modules.editor;

          editor.insertText(' world');
          expectContents(context, '<p>hello</p>');
        });
      });

      describe('pasteHTML', () => {
        it('should paste html', () => {
          editor.pasteHTML('<span> world</span>');
          expectContents(context, '<p>hello<span> world</span></p>');
        });

        it('should not call change change event more than once per paste event', () => {
          var generateLargeHtml = () => {
            var html = '<div>';
            for (var i = 0; i < 1000; i++) {
              html += '<p>HTML element #' + i + '</p>';
            }
            html += '</div>';
            return html;
          };
          var $note = context.layoutInfo.note;
          var spy = chai.spy();
          $note.on('summernote.change', spy);
          var html = generateLargeHtml();
          editor.pasteHTML(html);
          expect(spy).to.have.been.called.once;
        });

        it('should be limited', () => {
          var options = $.extend({}, $.summernote.options);
          options.langInfo = $.extend(true, {}, $.summernote.lang['en-US'], $.summernote.lang[options.lang]);
          options.maxTextLength = 5;
          context = new Context($('<div><p>hello</p></div>'), options);
          editor = context.modules.editor;

          editor.pasteHTML('<span> world</span>');
          expectContents(context, '<p>hello</p>');
        });
      });

      describe('insertHorizontalRule', () => {
        it('should insert horizontal rule', () => {
          editor.insertHorizontalRule();
          expectContents(context, '<p>hello</p><hr><p><br></p>');
        });
      });

      describe('insertTable', () => {
        it('should insert table', () => {
          var markup = [
            '<p>hello</p>',
            '<table class="table table-bordered"><tbody>',
            '<tr><td><br></td><td><br></td></tr>',
            '<tr><td><br></td><td><br></td></tr>',
            '</tbody></table>',
            '<p><br></p>'
          ].join('');
          editor.insertTable('2x2');
          expectContents(context, markup);
        });
      });

      describe('empty', () => {
        it('should make contents empty', () => {
          editor.empty();
          expect(editor.isEmpty()).to.be.true;
        });
      });

      describe('formatBlock', () => {
        it('should apply formatBlock', () => {
          context.layoutInfo.editable.appendTo('body');
          editor.formatBlock('blockquote');

          // start <p>hello</p> => <blockquote>hello</blockquote>
          expectContents(context, '<blockquote>hello</blockquote>');
        });

        it('should apply multi formatBlock', () => {
          // set multi block html
          var codes = [
            '<p><a href="http://summernote.org">hello world</a></p>',
            '<p><a href="http://summernote.org">hello world</a></p>',
            '<p><a href="http://summernote.org">hello world</a></p>'
          ];

          context.invoke('code', codes.join(''));

          // append to body
          var editable = context.layoutInfo.editable;
          editable.appendTo('body');

          // run formatBlock
          editor.formatBlock('blockquote');

          // check current range position in blockquote element

          var nodeName = editable.children()[0].nodeName;
          expect(nodeName).to.equalsIgnoreCase('blockquote');
        });

        it('should apply multi test 2 - formatBlock', () => {
          var codes = [
            '<p><a href="http://summernote.org">hello world</a></p>',
            '<p><a href="http://summernote.org">hello world</a></p>',
            '<p><a href="http://summernote.org">hello world</a></p>'
          ];

          context.invoke('code', codes.join(''));

          var editable = context.layoutInfo.editable;
          editable.appendTo('body');

          var startNode = editable.find('p').first()[0];
          var endNode = editable.find('p').last()[0];

          // all p tags is wrapped
          range.create(startNode, 1, endNode, 1).normalize().select();

          editor.formatBlock('blockquote');

          var nodeName = editable.children()[0].nodeName;
          expect(nodeName).to.equalsIgnoreCase('blockquote');

          // p -> blockquote, p is none
          expect(editable.find('p').length).to.equals(0);
        });

        it('should apply custom className in formatBlock', () => {
          context.layoutInfo.editable.appendTo('body');
          var $target = $('<blockquote class="blockquote" />');
          editor.formatBlock('blockquote', $target);

          // start <p>hello</p> => <blockquote class="blockquote">hello</blockquote>
          expectContents(context, '<blockquote class="blockquote">hello</blockquote>');
        });
      });

      describe('createLink', () => {
        it('should create normal link', () => {
          var text = 'hello';

          var editable = context.layoutInfo.editable;
          var pNode = editable.find('p')[0];
          var textNode = pNode.childNodes[0];
          var startIndex = textNode.wholeText.indexOf(text);
          var endIndex = startIndex + text.length;

          range.create(textNode, startIndex, textNode, endIndex).normalize().select();

          // check creation normal link
          editor.createLink({
            url: 'http://summernote.org',
            text: 'summernote'
          });

          expectContents(context, '<p>hello<a href="http://summernote.org">summernote</a></p>');
        });

        it('should create a link with range', () => {
          var text = 'hello';
          var editable = context.layoutInfo.editable;
          var pNode = editable.find('p')[0];
          var textNode = pNode.childNodes[0];
          var startIndex = textNode.wholeText.indexOf(text);
          var endIndex = startIndex + text.length;

          var rng = range.create(textNode, startIndex, textNode, endIndex);

          editor.createLink({
            url: 'http://summernote.org',
            text: 'summernote',
            range: rng
          });

          expectContents(context, '<p><a href="http://summernote.org">summernote</a></p>');
        });

        it('should create a link with isNewWindow', () => {
          var text = 'hello';
          var editable = context.layoutInfo.editable;
          var pNode = editable.find('p')[0];
          var textNode = pNode.childNodes[0];
          var startIndex = textNode.wholeText.indexOf(text);
          var endIndex = startIndex + text.length;

          var rng = range.create(textNode, startIndex, textNode, endIndex);

          editor.createLink({
            url: 'http://summernote.org',
            text: 'summernote',
            range: rng,
            isNewWindow: true
          });

          expectContents(context, '<p><a href="http://summernote.org" target="_blank">summernote</a></p>');
        });

        it('should modify a link', () => {
          context.invoke('code', '<p><a href="http://summernote.org">hello world</a></p>');

          var editable = context.layoutInfo.editable;
          var anchorNode = editable.find('a')[0];
          var rng = range.createFromNode(anchorNode);

          editor.createLink({
            url: 'http://wow.summernote.org',
            text: 'summernote wow',
            range: rng
          });

          expectContents(context, '<p><a href="http://wow.summernote.org">summernote wow</a></p>');
        });
      });
    });