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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: model */
- 'use strict';
- import Document from '/ckeditor5/engine/model/document.js';
- import DocumentFragment from '/ckeditor5/engine/model/documentfragment.js';
- import Element from '/ckeditor5/engine/model/element.js';
- import Text from '/ckeditor5/engine/model/text.js';
- import Position from '/ckeditor5/engine/model/position.js';
- import CKEditorError from '/ckeditor5/utils/ckeditorerror.js';
- import testUtils from '/tests/ckeditor5/_utils/utils.js';
- import { jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
- testUtils.createSinonSandbox();
- describe( 'position', () => {
- let doc, root, otherRoot, p, ul, li1, li2, f, o, z, b, a, r;
- // root
- // |- p Before: [ 0 ] After: [ 1 ]
- // |- ul Before: [ 1 ] After: [ 2 ]
- // |- li Before: [ 1, 0 ] After: [ 1, 1 ]
- // | |- f Before: [ 1, 0, 0 ] After: [ 1, 0, 1 ]
- // | |- o Before: [ 1, 0, 1 ] After: [ 1, 0, 2 ]
- // | |- z Before: [ 1, 0, 2 ] After: [ 1, 0, 3 ]
- // |- li Before: [ 1, 1 ] After: [ 1, 2 ]
- // |- b Before: [ 1, 1, 0 ] After: [ 1, 1, 1 ]
- // |- a Before: [ 1, 1, 1 ] After: [ 1, 1, 2 ]
- // |- r Before: [ 1, 1, 2 ] After: [ 1, 1, 3 ]
- before( () => {
- doc = new Document();
- root = doc.createRoot();
- otherRoot = doc.createRoot( '$root', 'otherRoot' );
- li1 = new Element( 'li', [], 'foz' );
- f = li1.getChild( 0 );
- o = li1.getChild( 1 );
- z = li1.getChild( 2 );
- li2 = new Element( 'li', [], 'bar' );
- b = li2.getChild( 0 );
- a = li2.getChild( 1 );
- r = li2.getChild( 2 );
- ul = new Element( 'ul', [], [ li1, li2 ] );
- p = new Element( 'p' );
- root.insertChildren( 0, [ p, ul ] );
- } );
- describe( 'constructor', () => {
- it( 'should create a position with path and document', () => {
- let position = new Position( root, [ 0 ] );
- expect( position ).to.have.property( 'path' ).that.deep.equals( [ 0 ] );
- expect( position ).to.have.property( 'root' ).that.equals( root );
- } );
- it( 'should accept DocumentFragment as a root', () => {
- const frag = new DocumentFragment();
- const pos = new Position( frag, [ 0 ] );
- expect( pos ).to.have.property( 'root', frag );
- } );
- it( 'should accept detached Element as a root', () => {
- const el = new Element( 'p' );
- const pos = new Position( el, [ 0 ] );
- expect( pos ).to.have.property( 'root', el );
- expect( pos.path ).to.deep.equal( [ 0 ] );
- } );
- it( 'should normalize attached Element as a root', () => {
- const pos = new Position( li1, [ 0, 2 ] );
- expect( pos ).to.have.property( 'root', root );
- expect( pos.isEqual( Position.createAt( li1, 0, 2 ) ) );
- } );
- it( 'should normalize Element from a detached branch as a root', () => {
- const rootEl = new Element( 'p', null, [ new Element( 'a' ) ] );
- const elA = rootEl.getChild( 0 );
- const pos = new Position( elA, [ 0 ] );
- expect( pos ).to.have.property( 'root', rootEl );
- expect( pos.isEqual( Position.createAt( elA, 0 ) ) );
- } );
- it( 'should throw error if given path is incorrect', () => {
- expect( () => {
- new Position( root, {} );
- } ).to.throw( CKEditorError, /position-path-incorrect/ );
- expect( () => {
- new Position( root, [] );
- } ).to.throw( CKEditorError, /position-path-incorrect/ );
- } );
- it( 'should throw error if given root is invalid', () => {
- expect( () => {
- new Position( new Text( 'a' ) );
- } ).to.throw( CKEditorError, /position-root-invalid/ );
- expect( () => {
- new Position();
- } ).to.throw( CKEditorError, /position-root-invalid/ );
- } );
- } );
- describe( 'createFromParentAndOffset', () => {
- it( 'should create positions form node and offset', () => {
- expect( Position.createFromParentAndOffset( root, 0 ) ).to.have.property( 'path' ).that.deep.equals( [ 0 ] );
- expect( Position.createFromParentAndOffset( root, 1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1 ] );
- expect( Position.createFromParentAndOffset( root, 2 ) ).to.have.property( 'path' ).that.deep.equals( [ 2 ] );
- expect( Position.createFromParentAndOffset( p, 0 ) ).to.have.property( 'path' ).that.deep.equals( [ 0, 0 ] );
- expect( Position.createFromParentAndOffset( ul, 0 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0 ] );
- expect( Position.createFromParentAndOffset( ul, 1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1 ] );
- expect( Position.createFromParentAndOffset( ul, 2 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 2 ] );
- expect( Position.createFromParentAndOffset( li1, 0 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 0 ] );
- expect( Position.createFromParentAndOffset( li1, 1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 1 ] );
- expect( Position.createFromParentAndOffset( li1, 2 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 2 ] );
- expect( Position.createFromParentAndOffset( li1, 3 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 3 ] );
- } );
- it( 'throws when parent is not an element', () => {
- expect( () => {
- Position.createFromParentAndOffset( b, 0 );
- } ).to.throw( CKEditorError, /^position-parent-incorrect/ );
- } );
- it( 'works with a doc frag', () => {
- const frag = new DocumentFragment();
- expect( Position.createFromParentAndOffset( frag, 0 ) ).to.have.property( 'root', frag );
- } );
- } );
- describe( 'createAt', () => {
- it( 'should create positions from positions', () => {
- const spy = testUtils.sinon.spy( Position, 'createFromPosition' );
- expect( Position.createAt( Position.createAt( ul ) ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0 ] );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should create positions from node and offset', () => {
- expect( Position.createAt( ul ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0 ] );
- expect( Position.createAt( li1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 0 ] );
- expect( Position.createAt( ul, 1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1 ] );
- } );
- it( 'should create positions from node and flag', () => {
- expect( Position.createAt( root, 'end' ) ).to.have.property( 'path' ).that.deep.equals( [ 2 ] );
- expect( Position.createAt( p, 'before' ) ).to.have.property( 'path' ).that.deep.equals( [ 0 ] );
- expect( Position.createAt( a, 'before' ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 1 ] );
- expect( Position.createAt( p, 'after' ) ).to.have.property( 'path' ).that.deep.equals( [ 1 ] );
- expect( Position.createAt( a, 'after' ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 2 ] );
- expect( Position.createAt( ul, 'end' ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 2 ] );
- } );
- } );
- describe( 'createBefore', () => {
- it( 'should create positions before elements', () => {
- expect( Position.createBefore( p ) ).to.have.property( 'path' ).that.deep.equals( [ 0 ] );
- expect( Position.createBefore( ul ) ).to.have.property( 'path' ).that.deep.equals( [ 1 ] );
- expect( Position.createBefore( li1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0 ] );
- expect( Position.createBefore( f ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 0 ] );
- expect( Position.createBefore( o ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 1 ] );
- expect( Position.createBefore( z ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 2 ] );
- expect( Position.createBefore( li2 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1 ] );
- expect( Position.createBefore( b ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 0 ] );
- expect( Position.createBefore( a ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 1 ] );
- expect( Position.createBefore( r ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 2 ] );
- } );
- it( 'should throw error if one try to create positions before root', () => {
- expect( () => {
- Position.createBefore( root );
- } ).to.throw( CKEditorError, /position-before-root/ );
- } );
- } );
- describe( 'createAfter', () => {
- it( 'should create positions after elements', () => {
- expect( Position.createAfter( p ) ).to.have.property( 'path' ).that.deep.equals( [ 1 ] );
- expect( Position.createAfter( ul ) ).to.have.property( 'path' ).that.deep.equals( [ 2 ] );
- expect( Position.createAfter( li1 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1 ] );
- expect( Position.createAfter( f ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 1 ] );
- expect( Position.createAfter( o ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 2 ] );
- expect( Position.createAfter( z ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 0, 3 ] );
- expect( Position.createAfter( li2 ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 2 ] );
- expect( Position.createAfter( b ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 1 ] );
- expect( Position.createAfter( a ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 2 ] );
- expect( Position.createAfter( r ) ).to.have.property( 'path' ).that.deep.equals( [ 1, 1, 3 ] );
- } );
- it( 'should throw error if one try to make positions after root', () => {
- expect( () => {
- Position.createAfter( root );
- } ).to.throw( CKEditorError, /position-after-root/ );
- } );
- } );
- describe( 'createFromPosition', () => {
- it( 'should create a copy of given position', () => {
- let original = new Position( root, [ 1, 2, 3 ] );
- let position = Position.createFromPosition( original );
- expect( position ).to.be.instanceof( Position );
- expect( position.isEqual( original ) ).to.be.true;
- expect( position ).not.to.be.equal( original );
- } );
- } );
- it( 'should have parent', () => {
- expect( new Position( root, [ 0 ] ) ).to.have.property( 'parent' ).that.equals( root );
- expect( new Position( root, [ 1 ] ) ).to.have.property( 'parent' ).that.equals( root );
- expect( new Position( root, [ 2 ] ) ).to.have.property( 'parent' ).that.equals( root );
- expect( new Position( root, [ 0, 0 ] ) ).to.have.property( 'parent' ).that.equals( p );
- expect( new Position( root, [ 1, 0 ] ) ).to.have.property( 'parent' ).that.equals( ul );
- expect( new Position( root, [ 1, 1 ] ) ).to.have.property( 'parent' ).that.equals( ul );
- expect( new Position( root, [ 1, 2 ] ) ).to.have.property( 'parent' ).that.equals( ul );
- expect( new Position( root, [ 1, 0, 0 ] ) ).to.have.property( 'parent' ).that.equals( li1 );
- expect( new Position( root, [ 1, 0, 1 ] ) ).to.have.property( 'parent' ).that.equals( li1 );
- expect( new Position( root, [ 1, 0, 2 ] ) ).to.have.property( 'parent' ).that.equals( li1 );
- expect( new Position( root, [ 1, 0, 3 ] ) ).to.have.property( 'parent' ).that.equals( li1 );
- } );
- it( 'should have offset', () => {
- expect( new Position( root, [ 0 ] ) ).to.have.property( 'offset' ).that.equals( 0 );
- expect( new Position( root, [ 1 ] ) ).to.have.property( 'offset' ).that.equals( 1 );
- expect( new Position( root, [ 2 ] ) ).to.have.property( 'offset' ).that.equals( 2 );
- expect( new Position( root, [ 0, 0 ] ) ).to.have.property( 'offset' ).that.equals( 0 );
- expect( new Position( root, [ 1, 0 ] ) ).to.have.property( 'offset' ).that.equals( 0 );
- expect( new Position( root, [ 1, 1 ] ) ).to.have.property( 'offset' ).that.equals( 1 );
- expect( new Position( root, [ 1, 2 ] ) ).to.have.property( 'offset' ).that.equals( 2 );
- expect( new Position( root, [ 1, 0, 0 ] ) ).to.have.property( 'offset' ).that.equals( 0 );
- expect( new Position( root, [ 1, 0, 1 ] ) ).to.have.property( 'offset' ).that.equals( 1 );
- expect( new Position( root, [ 1, 0, 2 ] ) ).to.have.property( 'offset' ).that.equals( 2 );
- expect( new Position( root, [ 1, 0, 3 ] ) ).to.have.property( 'offset' ).that.equals( 3 );
- } );
- it( 'should be able to set offset', () => {
- let position = new Position( root, [ 1, 0, 2 ] );
- position.offset = 4;
- expect( position.offset ).to.equal( 4 );
- expect( position.path ).to.deep.equal( [ 1, 0, 4 ] );
- } );
- it( 'should have nodeBefore', () => {
- expect( new Position( root, [ 0 ] ).nodeBefore ).to.be.null;
- expect( new Position( root, [ 1 ] ).nodeBefore ).to.equal( p );
- expect( new Position( root, [ 2 ] ).nodeBefore ).to.equal( ul );
- expect( new Position( root, [ 0, 0 ] ).nodeBefore ).to.null;
- expect( new Position( root, [ 1, 0 ] ).nodeBefore ).to.be.null;
- expect( new Position( root, [ 1, 1 ] ).nodeBefore ).to.equal( li1 );
- expect( new Position( root, [ 1, 2 ] ).nodeBefore ).to.equal( li2 );
- expect( new Position( root, [ 1, 0, 0 ] ).nodeBefore ).to.be.null;
- expect( new Position( root, [ 1, 0, 1 ] ).nodeBefore.character ).to.equal( 'f' );
- expect( new Position( root, [ 1, 0, 2 ] ).nodeBefore.character ).to.equal( 'o' );
- expect( new Position( root, [ 1, 0, 3 ] ).nodeBefore.character ).to.equal( 'z' );
- } );
- it( 'should have nodeAfter', () => {
- expect( new Position( root, [ 0 ] ).nodeAfter ).to.equal( p );
- expect( new Position( root, [ 1 ] ).nodeAfter ).to.equal( ul );
- expect( new Position( root, [ 2 ] ).nodeAfter ).to.be.null;
- expect( new Position( root, [ 0, 0 ] ).nodeAfter ).to.be.null;
- expect( new Position( root, [ 1, 0 ] ).nodeAfter ).to.equal( li1 );
- expect( new Position( root, [ 1, 1 ] ).nodeAfter ).to.equal( li2 );
- expect( new Position( root, [ 1, 2 ] ).nodeAfter ).to.be.null;
- expect( new Position( root, [ 1, 0, 0 ] ).nodeAfter.character ).to.equal( 'f' );
- expect( new Position( root, [ 1, 0, 1 ] ).nodeAfter.character ).to.equal( 'o' );
- expect( new Position( root, [ 1, 0, 2 ] ).nodeAfter.character ).to.equal( 'z' );
- expect( new Position( root, [ 1, 0, 3 ] ).nodeAfter ).to.be.null;
- } );
- it( 'should have proper parent path', () => {
- let position = new Position( root, [ 1, 2, 3 ] );
- expect( position.getParentPath() ).to.deep.equal( [ 1, 2 ] );
- } );
- describe( 'isBefore', () => {
- it( 'should return true if given position has same root and is before this position', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let beforePosition = new Position( root, [ 1, 0 ] );
- expect( position.isAfter( beforePosition ) ).to.be.true;
- } );
- it( 'should return false if given position has same root and is not before this position', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let afterPosition = new Position( root, [ 1, 2 ] );
- expect( position.isAfter( afterPosition ) ).to.be.false;
- } );
- it( 'should return false if given position has different root', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let differentPosition = new Position( otherRoot, [ 1, 0 ] );
- expect( position.isAfter( differentPosition ) ).to.be.false;
- } );
- } );
- describe( 'isEqual', () => {
- it( 'should return true if given position has same path and root', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let samePosition = new Position( root, [ 1, 1, 2 ] );
- expect( position.isEqual( samePosition ) ).to.be.true;
- } );
- it( 'should return false if given position has different path', () => {
- let position = new Position( root, [ 1, 1, 1 ] );
- let differentPosition = new Position( root, [ 1, 2, 2 ] );
- expect( position.isEqual( differentPosition ) ).to.be.false;
- } );
- it( 'should return false if given position has different root', () => {
- let position = new Position( root, [ 1, 1, 1 ] );
- let differentPosition = new Position( otherRoot, [ 1, 1, 1 ] );
- expect( position.isEqual( differentPosition ) ).to.be.false;
- } );
- } );
- describe( 'isAfter', () => {
- it( 'should return true if given position has same root and is after this position', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let afterPosition = new Position( root, [ 1, 2 ] );
- expect( position.isBefore( afterPosition ) ).to.be.true;
- } );
- it( 'should return false if given position has same root and is not after this position', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let beforePosition = new Position( root, [ 1, 0 ] );
- expect( position.isBefore( beforePosition ) ).to.be.false;
- } );
- it( 'should return false if given position has different root', () => {
- let position = new Position( root, [ 1, 1, 2 ] );
- let differentPosition = new Position( otherRoot, [ 1, 2 ] );
- expect( position.isBefore( differentPosition ) ).to.be.false;
- } );
- } );
- describe( 'isTouching', () => {
- it( 'should return true if positions are same', () => {
- let position = new Position( root, [ 1, 1, 1 ] );
- let result = position.isTouching( new Position( root, [ 1, 1, 1 ] ) );
- expect( result ).to.be.true;
- } );
- it( 'should return true if given position is in next node and there are no whole nodes before it', () => {
- let positionA = new Position( root, [ 1 ] );
- let positionB = new Position( root, [ 1, 0, 0 ] );
- expect( positionA.isTouching( positionB ) ).to.be.true;
- expect( positionB.isTouching( positionA ) ).to.be.true;
- } );
- it( 'should return true if given position is in previous node and there are no whole nodes after it', () => {
- let positionA = new Position( root, [ 2 ] );
- let positionB = new Position( root, [ 1, 1, 3 ] );
- expect( positionA.isTouching( positionB ) ).to.be.true;
- expect( positionB.isTouching( positionA ) ).to.be.true;
- } );
- it( 'should return true if positions are in different sub-trees but there are no whole nodes between them', () => {
- let positionA = new Position( root, [ 1, 0, 3 ] );
- let positionB = new Position( root, [ 1, 1, 0 ] );
- expect( positionA.isTouching( positionB ) ).to.be.true;
- expect( positionB.isTouching( positionA ) ).to.be.true;
- } );
- it( 'should return false if there are whole nodes between positions', () => {
- let positionA = new Position( root, [ 2 ] );
- let positionB = new Position( root, [ 1, 0, 3 ] );
- expect( positionA.isTouching( positionB ) ).to.be.false;
- expect( positionB.isTouching( positionA ) ).to.be.false;
- } );
- it( 'should return false if there are whole nodes between positions', () => {
- let positionA = new Position( root, [ 1, 0, 3 ] );
- let positionB = new Position( root, [ 1, 1, 1 ] );
- expect( positionA.isTouching( positionB ) ).to.be.false;
- expect( positionB.isTouching( positionA ) ).to.be.false;
- } );
- it( 'should return false if positions are in different roots', () => {
- let positionA = new Position( root, [ 1, 0, 3 ] );
- let positionB = new Position( otherRoot, [ 1, 1, 0 ] );
- expect( positionA.isTouching( positionB ) ).to.be.false;
- expect( positionB.isTouching( positionA ) ).to.be.false;
- } );
- } );
- describe( 'isAtStart', () => {
- it( 'should return true if position is at the beginning of its parent', () => {
- expect( new Position( root, [ 0 ] ).isAtStart() ).to.be.true;
- expect( new Position( root, [ 1 ] ).isAtStart() ).to.be.false;
- } );
- } );
- describe( 'isAtEnd', () => {
- it( 'should return true if position is at the end of its parent', () => {
- expect( new Position( root, [ root.getChildCount() ] ).isAtEnd() ).to.be.true;
- expect( new Position( root, [ 0 ] ).isAtEnd() ).to.be.false;
- } );
- } );
- describe( 'compareWith', () => {
- it( 'should return same if positions are same', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const compared = new Position( root, [ 1, 2, 3 ] );
- expect( position.compareWith( compared ) ).to.equal( 'same' );
- } );
- it( 'should return before if the position is before compared one', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const compared = new Position( root, [ 1, 3 ] );
- expect( position.compareWith( compared ) ).to.equal( 'before' );
- } );
- it( 'should return after if the position is after compared one', () => {
- const position = new Position( root, [ 1, 2, 3, 4 ] );
- const compared = new Position( root, [ 1, 2, 3 ] );
- expect( position.compareWith( compared ) ).to.equal( 'after' );
- } );
- it( 'should return different if positions are in different roots', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const compared = new Position( otherRoot, [ 1, 2, 3 ] );
- expect( position.compareWith( compared ) ).to.equal( 'different' );
- } );
- } );
- describe( 'getTransformedByInsertion', () => {
- it( 'should return a new Position instance', () => {
- const position = new Position( root, [ 0 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 2 ] ), 4, false );
- expect( transformed ).not.to.equal( position );
- expect( transformed ).to.be.instanceof( Position );
- } );
- it( 'should increment offset if insertion is in the same parent and closer offset', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 2, 2 ] ), 2, false );
- expect( transformed.offset ).to.equal( 5 );
- } );
- it( 'should not increment offset if insertion position is in different root', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( otherRoot, [ 1, 2, 2 ] ), 2, false );
- expect( transformed.offset ).to.equal( 3 );
- } );
- it( 'should not increment offset if insertion is in the same parent and the same offset', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 2, 3 ] ), 2, false );
- expect( transformed.offset ).to.equal( 3 );
- } );
- it( 'should increment offset if insertion is in the same parent and the same offset and it is inserted before', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 2, 3 ] ), 2, true );
- expect( transformed.offset ).to.equal( 5 );
- } );
- it( 'should not increment offset if insertion is in the same parent and further offset', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 2, 4 ] ), 2, false );
- expect( transformed.offset ).to.equal( 3 );
- } );
- it( 'should update path if insertion position parent is a node from that path and offset is before next node on that path', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 2 ] ), 2, false );
- expect( transformed.path ).to.deep.equal( [ 1, 4, 3 ] );
- } );
- it( 'should not update path if insertion position parent is a node from that path and offset is after next node on that path', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByInsertion( new Position( root, [ 1, 3 ] ), 2, false );
- expect( transformed.path ).to.deep.equal( [ 1, 2, 3 ] );
- } );
- } );
- describe( 'getTransformedByDeletion', () => {
- it( 'should return a new Position instance', () => {
- const position = new Position( root, [ 0 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 2 ] ), 4 );
- expect( transformed ).not.to.equal( position );
- expect( transformed ).to.be.instanceof( Position );
- } );
- it( 'should return null if original position is inside one of removed nodes', () => {
- const position = new Position( root, [ 1, 2 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 0 ] ), 2 );
- expect( transformed ).to.be.null;
- } );
- it( 'should decrement offset if deletion is in the same parent and closer offset', () => {
- const position = new Position( root, [ 1, 2, 7 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 1, 2, 2 ] ), 2 );
- expect( transformed.offset ).to.equal( 5 );
- } );
- it( 'should return null if original position is between removed nodes', () => {
- const position = new Position( root, [ 1, 2, 4 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 1, 2, 3 ] ), 5 );
- expect( transformed ).to.be.null;
- } );
- it( 'should not decrement offset if deletion position is in different root', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByDeletion( new Position( otherRoot, [ 1, 2, 1 ] ), 2 );
- expect( transformed.offset ).to.equal( 3 );
- } );
- it( 'should not decrement offset if deletion is in the same parent and further offset', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 1, 2, 4 ] ), 2 );
- expect( transformed.offset ).to.equal( 3 );
- } );
- it( 'should update path if deletion position parent is a node from that path and offset is before next node on that path', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 1, 0 ] ), 2 );
- expect( transformed.path ).to.deep.equal( [ 1, 0, 3 ] );
- } );
- it( 'should not update path if deletion position parent is a node from that path and offset is after next node on that path', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByDeletion( new Position( root, [ 1, 3 ] ), 2 );
- expect( transformed.path ).to.deep.equal( [ 1, 2, 3 ] );
- } );
- } );
- describe( 'getTransformedByMove', () => {
- it( 'should increment offset if a range was moved to the same parent and closer offset', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByMove( new Position( root, [ 2 ] ), new Position( root, [ 1, 2, 0 ] ), 3, false );
- expect( transformed.path ).to.deep.equal( [ 1, 2, 6 ] );
- } );
- it( 'should decrement offset if a range was moved from the same parent and closer offset', () => {
- const position = new Position( root, [ 1, 2, 6 ] );
- const transformed = position.getTransformedByMove( new Position( root, [ 1, 2, 0 ] ), new Position( root, [ 2 ] ), 3, false );
- expect( transformed.path ).to.deep.equal( [ 1, 2, 3 ] );
- } );
- it( 'should decrement offset if position was at the end of a range and move was not sticky', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByMove( new Position( root, [ 1, 2, 0 ] ), new Position( root, [ 2 ] ), 3, false );
- expect( transformed.path ).to.deep.equal( [ 1, 2, 0 ] );
- } );
- it( 'should update path if position was at the end of a range and move was sticky', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByMove( new Position( root, [ 1, 2, 0 ] ), new Position( root, [ 2 ] ), 3, false, true );
- expect( transformed.path ).to.deep.equal( [ 5 ] );
- } );
- it( 'should update path if a range contained this position', () => {
- const position = new Position( root, [ 1, 2, 3 ] );
- const transformed = position.getTransformedByMove( new Position( root, [ 1, 1 ] ), new Position( root, [ 2, 1 ] ), 3, false );
- expect( transformed.path ).to.deep.equal( [ 2, 2, 3 ] );
- } );
- } );
- describe( '_getCombined', () => {
- it( 'should return correct combination of this and given positions', () => {
- const position = new Position( root, [ 1, 3, 4, 2 ] );
- const sourcePosition = new Position( root, [ 1, 1 ] );
- const targetPosition = new Position( root, [ 2, 5 ] );
- const combined = position._getCombined( sourcePosition, targetPosition );
- expect( combined.path ).to.deep.equal( [ 2, 7, 4, 2 ] );
- } );
- } );
- describe( 'getShiftedBy', () => {
- it( 'should return a new instance of Position with offset changed by shift value', () => {
- let position = new Position( root, [ 1, 2, 3 ] );
- let shifted = position.getShiftedBy( 2 );
- expect( shifted ).to.be.instanceof( Position );
- expect( shifted ).to.not.equal( position );
- expect( shifted.path ).to.deep.equal( [ 1, 2, 5 ] );
- } );
- it( 'should accept negative values', () => {
- let position = new Position( root, [ 1, 2, 3 ] );
- let shifted = position.getShiftedBy( -2 );
- expect( shifted.path ).to.deep.equal( [ 1, 2, 1 ] );
- } );
- it( 'should not let setting offset lower than zero', () => {
- let position = new Position( root, [ 1, 2, 3 ] );
- let shifted = position.getShiftedBy( -7 );
- expect( shifted.path ).to.deep.equal( [ 1, 2, 0 ] );
- } );
- } );
- describe( 'toJSON', () => {
- it( 'should serialize position', () => {
- let position = new Position( root, [ 0 ] );
- let serialized = jsonParseStringify( position );
- expect( serialized ).to.deep.equal( { root: 'main', path: [ 0 ] } );
- } );
- it( 'should serialize position from graveyard', () => {
- let position = new Position( doc.graveyard, [ 0 ] );
- let serialized = jsonParseStringify( position );
- expect( serialized ).to.deep.equal( { root: '$graveyard', path: [ 0 ] } );
- } );
- } );
- describe( 'fromJSON', () => {
- it( 'should create object with given document', () => {
- let deserialized = Position.fromJSON( { root: 'main', path: [ 0, 1, 2 ] }, doc );
- expect( deserialized.root ).to.equal( root );
- expect( deserialized.path ).to.deep.equal( [ 0, 1, 2 ] );
- } );
- it( 'should create object from graveyard', () => {
- let deserialized = Position.fromJSON( { root: '$graveyard', path: [ 0, 1, 2 ] }, doc );
- expect( deserialized.root ).to.equal( doc.graveyard );
- expect( deserialized.path ).to.deep.equal( [ 0, 1, 2 ] );
- } );
- it( 'should throw error when creating object in document that does not have provided root', () => {
- expect(
- () => {
- Position.fromJSON( { root: 'noroot', path: [ 0 ] }, doc );
- }
- ).to.throw( CKEditorError, /position-fromjson-no-root/ );
- } );
- } );
- } );
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