karmaworld/apps/wysihtml5/static/wysihtml5/wysihtml-0.4.17/test/undo_manager_test.js

   1 if (wysihtml5.browser.supportsCommand(document, "insertHTML")) {
   2
   3   module("wysihtml5.UndoManager", {
   4     setup: function() {
   5       this.textareaElement        = document.createElement("textarea");
   6       this.textareaElement.value  = "1";
   7
   8       document.body.appendChild(this.textareaElement);
   9     },
  10
  11     teardown: function() {
  12       var leftover;
  13       while (leftover = document.querySelector("iframe.wysihtml5-sandbox, input[name='_wysihtml5_mode']")) {
  14         leftover.parentNode.removeChild(leftover);
  15       }
  16       document.body.removeChild(this.textareaElement);
  17     },
  18
  19     triggerUndo: function(editor) {
  20       this.triggerKey(editor, 90);
  21     },
  22
  23     triggerRedo: function(editor) {
  24       this.triggerKey(editor, 89);
  25     },
  26
  27     triggerKey: function(editor, keyCode) {
  28       var event;
  29       try {
  30         event = editor.composer.sandbox.getDocument().createEvent("KeyEvents");
  31         event.initKeyEvent("keydown", true, true, editor.composer.sandbox.getWindow(), true, false, false, false, keyCode, keyCode);
  32       } catch(e) {
  33         event = editor.composer.sandbox.getDocument().createEvent("Events");
  34         event.initEvent("keydown", true, true);
  35         event.ctrlKey = true;
  36         event.keyCode = keyCode;
  37       }
  38       editor.composer.element.dispatchEvent(event);
  39     }
  40   });
  41
  42
  43   asyncTest("Basic test", function() {
  44     expect(5);
  45
  46     var that   = this,
  47         editor = new wysihtml5.Editor(this.textareaElement);
  48     editor.on("load", function() {
  49       editor.setValue("1 2").fire("newword:composer");
  50       editor.setValue("1 2 3").fire("newword:composer");
  51       editor.setValue("1 2 3 4").fire("newword:composer");
  52       editor.setValue("1 2 3 4 5");
  53
  54       that.triggerUndo(editor);
  55       equal(editor.getValue(false, false), "1 2 3 4");
  56       that.triggerRedo(editor);
  57       that.triggerRedo(editor);
  58       equal(editor.getValue(false, false), "1 2 3 4 5");
  59       that.triggerUndo(editor);
  60       that.triggerUndo(editor);
  61       equal(editor.getValue(false, false), "1 2 3");
  62       that.triggerUndo(editor);
  63       that.triggerUndo(editor);
  64       equal(editor.getValue(false, false), "1");
  65       that.triggerUndo(editor);
  66       that.triggerUndo(editor);
  67       equal(editor.getValue(false, false), "1");
  68
  69       start();
  70     });
  71   });
  72
  73
  74   asyncTest("Test commands", function() {
  75     expect(3);
  76
  77     var that   = this,
  78         editor = new wysihtml5.Editor(this.textareaElement);
  79     editor.on("load", function() {
  80       editor.setValue("<b>1</b>").fire("beforecommand:composer");
  81       editor.setValue("<i><b>1</b></i>").fire("beforecommand:composer");
  82
  83       that.triggerUndo(editor);
  84       equal(editor.getValue(false, false), "<b>1</b>");
  85       that.triggerRedo(editor);
  86       equal(editor.getValue(false, false), "<i><b>1</b></i>");
  87       that.triggerUndo(editor);
  88       that.triggerUndo(editor);
  89       equal(editor.getValue(false, false), "1");
  90
  91       start();
  92     });
  93   });
  94 }