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File: public/js/tinymce/src/core/src/test/js/browser/caret/CaretFinderTest.js

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File: public/js/tinymce/src/core/src/test/js/browser/caret/CaretFinderTest.js
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asynctest(
  'browser.tinymce.core.CaretFinderTest',
  [
    'ephox.agar.api.Assertions',
    'ephox.agar.api.Chain',
    'ephox.agar.api.GeneralSteps',
    'ephox.agar.api.Logger',
    'ephox.agar.api.Pipeline',
    'ephox.agar.api.Step',
    'ephox.sugar.api.dom.Hierarchy',
    'ephox.sugar.api.node.Element',
    'tinymce.core.caret.CaretFinder',
    'tinymce.core.caret.CaretPosition',
    'tinymce.core.test.ViewBlock'
  ],
  function (Assertions, Chain, GeneralSteps, Logger, Pipeline, Step, Hierarchy, Element, CaretFinder, CaretPosition, ViewBlock) {
    var success = arguments[arguments.length - 2];
    var failure = arguments[arguments.length - 1];
    var viewBlock = new ViewBlock();

    var cSetHtml = function (html) {
      return Chain.op(function () {
        viewBlock.update(html);
      });
    };

    var cCreateFromPosition = function (path, offset) {
      return Chain.mapper(function (viewBlock) {
        var container = Hierarchy.follow(Element.fromDom(viewBlock.get()), path).getOrDie();
        return new CaretPosition(container.dom(), offset);
      });
    };

    var cAssertCaretPosition = function (path, expectedOffset) {
      return Chain.op(function (posOption) {
        var pos = posOption.getOrDie();
        var expectedContainer = Hierarchy.follow(Element.fromDom(viewBlock.get()), path).getOrDie();
        Assertions.assertDomEq('Should be the expected container', expectedContainer, Element.fromDom(pos.container()));
        Assertions.assertEq('Should be the expected offset', expectedOffset, pos.offset());
      });
    };

    var cAssertNone = Chain.op(function (pos) {
      Assertions.assertEq('Should be the none but got some', true, pos.isNone());
    });

    var cFromPosition = function (forward) {
      return Chain.mapper(function (from) {
        return CaretFinder.fromPosition(forward, viewBlock.get(), from);
      });
    };

    var cNavigate = function (forward) {
      return Chain.mapper(function (from) {
        return CaretFinder.navigate(forward, viewBlock.get(), from);
      });
    };

    var cPositionIn = function (forward, path) {
      return Chain.mapper(function (_) {
        var element = Hierarchy.follow(Element.fromDom(viewBlock.get()), path).getOrDie();
        return CaretFinder.positionIn(forward, element.dom());
      });
    };

    viewBlock.attach();
    Pipeline.async({}, [
      Logger.t('fromPosition', GeneralSteps.sequence([
        Logger.t('Should walk to first text node offset', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cCreateFromPosition([], 0),
          cFromPosition(true),
          cAssertCaretPosition([0, 0], 0)
        ])),
        Logger.t('Should walk to last text node offset', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cCreateFromPosition([], 1),
          cFromPosition(false),
          cAssertCaretPosition([0, 0], 1)
        ])),
        Logger.t('Should walk to from text node offset 0 to 1', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cCreateFromPosition([0, 0], 0),
          cFromPosition(true),
          cAssertCaretPosition([0, 0], 1)
        ])),
        Logger.t('Should walk to from text node offset 1 to 0', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cCreateFromPosition([0, 0], 1),
          cFromPosition(false),
          cAssertCaretPosition([0, 0], 0)
        ])),
        Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
          cSetHtml(''),
          cCreateFromPosition([], 0),
          cFromPosition(false),
          cAssertNone
        ]))
      ])),

      Logger.t('navigate', GeneralSteps.sequence([
        Logger.t('navigate - forward', GeneralSteps.sequence([
          Logger.t('Should walk to second offset in text inside b', Chain.asStep(viewBlock, [
            cSetHtml('<p>a<b>b</b></p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1, 0], 1)
          ])),
          Logger.t('Should walk from last text position in one b into the second text position in another b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b>a</b><b>b</b></p>'),
            cCreateFromPosition([0, 0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1, 0], 1)
          ])),
          Logger.t('Should walk to after input in b', Chain.asStep(viewBlock, [
            cSetHtml('<p>a<b><input></b></p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1], 1)
          ])),
          Logger.t('Should walk from after input to after input in b', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><b><input></b></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1], 1)
          ])),
          Logger.t('Should walk from after input inside b to after input in another b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b><input></b><b><input></b></p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1], 1)
          ])),
          Logger.t('Should walk from after input to second text offset in b', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><b>a</b></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 1, 0], 1)
          ])),
          Logger.t('Should walk from over input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input></p>'),
            cCreateFromPosition([0], 0),
            cNavigate(true),
            cAssertCaretPosition([0], 1)
          ])),
          Logger.t('Should walk from before first input to after first input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input></p>'),
            cCreateFromPosition([0], 0),
            cNavigate(true),
            cAssertCaretPosition([0], 1)
          ])),
          Logger.t('Should walk from after first input to after second input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertCaretPosition([0], 2)
          ])),
          Logger.t('Should walk from after first input to after second input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertCaretPosition([0], 2)
          ])),
          Logger.t('Should walk from last text node offset over br to first text node offset', Chain.asStep(viewBlock, [
            cSetHtml('<p>a<br>b</p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 2], 0)
          ])),
          Logger.t('Should walk from after input over br to first text node offset', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><br>b</p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertCaretPosition([0, 2], 0)
          ])),
          Logger.t('Should walk from last text offset in first paragraph to first text offset in second paragraph', Chain.asStep(viewBlock, [
            cSetHtml('<p>a</p><p>b</p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertCaretPosition([1, 0], 0)
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml(''),
            cCreateFromPosition([], 0),
            cNavigate(true),
            cAssertNone
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml('<p>a</p>'),
            cCreateFromPosition([0, 0], 1),
            cNavigate(true),
            cAssertNone
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml('<p><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(true),
            cAssertNone
          ]))
        ])),

        Logger.t('navigate - backwards', GeneralSteps.sequence([
          Logger.t('Should walk to first offset in text inside b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b>a</b>b</p>'),
            cCreateFromPosition([0, 1], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0, 0], 0)
          ])),
          Logger.t('Should walk from last text position in one b into the second text position in another b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b>a</b><b>b</b></p>'),
            cCreateFromPosition([0, 1, 0], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0, 0], 0)
          ])),
          Logger.t('Should walk to before input in b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b><input></b>b</p>'),
            cCreateFromPosition([0, 1], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0], 0)
          ])),
          Logger.t('Should walk from before input to before input in b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b><input></b><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(false),
            cAssertCaretPosition([0, 0], 0)
          ])),
          Logger.t('Should walk from before input inside b to before input in another b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b><input></b><b><input></b></p>'),
            cCreateFromPosition([0, 1], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0], 0)
          ])),
          Logger.t('Should walk from before input to first text offset in b', Chain.asStep(viewBlock, [
            cSetHtml('<p><b>a</b><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(false),
            cAssertCaretPosition([0, 0, 0], 0)
          ])),
          Logger.t('Should walk from over input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(false),
            cAssertCaretPosition([0], 0)
          ])),
          Logger.t('Should walk from after last input to after first input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input></p>'),
            cCreateFromPosition([0], 2),
            cNavigate(false),
            cAssertCaretPosition([0], 1)
          ])),
          Logger.t('Should from after first input to before first input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input></p>'),
            cCreateFromPosition([0], 1),
            cNavigate(false),
            cAssertCaretPosition([0], 0)
          ])),
          Logger.t('Should from before last input to after first input', Chain.asStep(viewBlock, [
            cSetHtml('<p><input><input><input></p>'),
            cCreateFromPosition([0], 2),
            cNavigate(false),
            cAssertCaretPosition([0], 1)
          ])),
          Logger.t('Should walk from first text node offset over br to last text node offset', Chain.asStep(viewBlock, [
            cSetHtml('<p>a<br>b</p>'),
            cCreateFromPosition([0, 2], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0], 1)
          ])),
          Logger.t('Should walk from before input over br to last text node offset', Chain.asStep(viewBlock, [
            cSetHtml('<p>a<br><input></p>'),
            cCreateFromPosition([0], 2),
            cNavigate(false),
            cAssertCaretPosition([0], 1)
          ])),
          Logger.t('Should walk from first text offset in second paragraph to first text offset in first paragraph', Chain.asStep(viewBlock, [
            cSetHtml('<p>a</p><p>b</p>'),
            cCreateFromPosition([1, 0], 0),
            cNavigate(false),
            cAssertCaretPosition([0, 0], 1)
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml(''),
            cCreateFromPosition([], 0),
            cNavigate(false),
            cAssertNone
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml('<p>a</p>'),
            cCreateFromPosition([0, 0], 0),
            cNavigate(false),
            cAssertNone
          ])),
          Logger.t('Should not walk anywhere since there is nothing to walk to', Chain.asStep(viewBlock, [
            cSetHtml('<p><input></p>'),
            cCreateFromPosition([0], 0),
            cNavigate(false),
            cAssertNone
          ]))
        ]))
      ])),

      Logger.t('positionIn', GeneralSteps.sequence([
        Logger.t('Should walk to first text node offset', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cPositionIn(true, [0]),
          cAssertCaretPosition([0, 0], 0)
        ])),
        Logger.t('Should walk to last text node offset', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p>'),
          cPositionIn(false, [0]),
          cAssertCaretPosition([0, 0], 1)
        ])),
        Logger.t('Should walk to first element offset', Chain.asStep(viewBlock, [
          cSetHtml('<p><input></p>'),
          cPositionIn(true, [0]),
          cAssertCaretPosition([0], 0)
        ])),
        Logger.t('Should walk to last element offset', Chain.asStep(viewBlock, [
          cSetHtml('<p><input></p>'),
          cPositionIn(false, [0]),
          cAssertCaretPosition([0], 1)
        ])),
        Logger.t('Should walk to last element offset skip br', Chain.asStep(viewBlock, [
          cSetHtml('<p><input><br></p>'),
          cPositionIn(false, [0]),
          cAssertCaretPosition([0], 1)
        ])),
        Logger.t('Should walk to first inner element offset', Chain.asStep(viewBlock, [
          cSetHtml('<p><b><input></b></p>'),
          cPositionIn(true, [0]),
          cAssertCaretPosition([0, 0], 0)
        ])),
        Logger.t('Should walk to last inner element offset', Chain.asStep(viewBlock, [
          cSetHtml('<p><b><input></b></p>'),
          cPositionIn(false, [0]),
          cAssertCaretPosition([0, 0], 1)
        ])),
        Logger.t('Should not find any position in an empty element', Chain.asStep(viewBlock, [
          cSetHtml('<p></p>'),
          cPositionIn(true, [0]),
          cAssertNone
        ])),
        Logger.t('Should not find any position in an empty element', Chain.asStep(viewBlock, [
          cSetHtml('<p></p>'),
          cPositionIn(false, [0]),
          cAssertNone
        ])),
        Logger.t('Should not find any position in an empty element and not walk outside backwards', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p><p></p><p>b</p>'),
          cPositionIn(false, [1]),
          cAssertNone
        ])),
        Logger.t('Should not find any position in an empty element and not walk outside forwards', Chain.asStep(viewBlock, [
          cSetHtml('<p>a</p><p></p><p>b</p>'),
          cPositionIn(true, [1]),
          cAssertNone
        ])),
        Logger.t('Should walk past comment node backwards', Chain.asStep(viewBlock, [
          cSetHtml('<p><!-- a-->b<!-- c --></p>'),
          cPositionIn(false, []),
          cAssertCaretPosition([0, 1], 1)
        ])),
        Logger.t('Should walk past comment node forwards', Chain.asStep(viewBlock, [
          cSetHtml('<p><!-- a-->b<!-- c --></p>'),
          cPositionIn(true, []),
          cAssertCaretPosition([0, 1], 0)
        ]))
      ]))
    ], function () {
      viewBlock.detach();
      success();
    }, failure);
  }
);
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