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- /**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: document */
- /* bender-include: ../../_tools/tools.js */
- /* global describe, before, beforeEach, it, expect */
- /* bender-include: ../../_tools/tools.js */
- 'use strict';
- const getIteratorCount = bender.tools.core.getIteratorCount;
- const modules = bender.amd.require(
- 'document/document',
- 'document/node',
- 'document/operation/changeoperation',
- 'document/operation/insertoperation',
- 'document/operation/moveoperation',
- 'document/operation/nooperation',
- 'document/position',
- 'document/range',
- 'document/character',
- 'document/attribute',
- 'document/nodelist',
- 'document/text',
- 'ckeditorerror'
- );
- describe( 'ChangeOperation', () => {
- let Document, Node, ChangeOperation, InsertOperation, MoveOperation, NoOperation, Position, Range,
- Character, Attribute, NodeList, Text, CKEditorError;
- before( () => {
- Document = modules[ 'document/document' ];
- Node = modules[ 'document/node' ];
- ChangeOperation = modules[ 'document/operation/changeoperation' ];
- InsertOperation = modules[ 'document/operation/insertoperation' ];
- MoveOperation = modules[ 'document/operation/moveoperation' ];
- NoOperation = modules[ 'document/operation/nooperation' ];
- Position = modules[ 'document/position' ];
- Range = modules[ 'document/range' ];
- Character = modules[ 'document/character' ];
- Attribute = modules[ 'document/attribute' ];
- NodeList = modules[ 'document/nodelist' ];
- Text = modules[ 'document/text' ];
- CKEditorError = modules.ckeditorerror;
- } );
- let doc, root;
- beforeEach( () => {
- doc = new Document();
- root = doc.createRoot( 'root' );
- } );
- it( 'should insert attribute to the set of nodes', () => {
- let newAttr = new Attribute( 'isNew', true );
- root.insertChildren( 0, 'bar' );
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 2 ], root ) ),
- null,
- newAttr,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 3 );
- expect( root.getChild( 0 ).hasAttr( newAttr ) ).to.be.true;
- expect( root.getChild( 1 ).hasAttr( newAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 2 ).getAttrs() ) ).to.equal( 0 );
- } );
- it( 'should add attribute to the existing attributes', () => {
- let newAttr = new Attribute( 'isNew', true );
- let fooAttr = new Attribute( 'foo', true );
- let barAttr = new Attribute( 'bar', true );
- root.insertChildren( 0, new Character( 'x', [ fooAttr, barAttr ] ) );
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- null,
- newAttr,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 1 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 3 );
- expect( root.getChild( 0 ).hasAttr( newAttr ) ).to.be.true;
- expect( root.getChild( 0 ).hasAttr( fooAttr ) ).to.be.true;
- expect( root.getChild( 0 ).hasAttr( barAttr ) ).to.be.true;
- } );
- it( 'should change attribute to the set of nodes', () => {
- let oldAttr = new Attribute( 'isNew', false );
- let newAttr = new Attribute( 'isNew', true );
- root.insertChildren( 0, new Text( 'bar', [ oldAttr ] ) );
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 2 ], root ) ),
- oldAttr,
- newAttr,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 3 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 0 ).hasAttr( newAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 1 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 1 ).hasAttr( newAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 2 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 2 ).hasAttr( oldAttr ) ).to.be.true;
- } );
- it( 'should change attribute in the middle of existing attributes', () => {
- let fooAttr = new Attribute( 'foo', true );
- let x1Attr = new Attribute( 'x', 1 );
- let x2Attr = new Attribute( 'x', 2 );
- let barAttr = new Attribute( 'bar', true );
- root.insertChildren( 0, new Character( 'x', [ fooAttr, x1Attr, barAttr ] ) );
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- x1Attr,
- x2Attr,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 1 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 3 );
- expect( root.getChild( 0 ).hasAttr( fooAttr ) ).to.be.true;
- expect( root.getChild( 0 ).hasAttr( x2Attr ) ).to.be.true;
- expect( root.getChild( 0 ).hasAttr( barAttr ) ).to.be.true;
- } );
- it( 'should remove attribute', () => {
- let fooAttr = new Attribute( 'foo', true );
- let xAttr = new Attribute( 'x', true );
- let barAttr = new Attribute( 'bar', true );
- root.insertChildren( 0, new Character( 'x', [ fooAttr, xAttr, barAttr ] ) );
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- xAttr,
- null,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 1 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 2 );
- expect( root.getChild( 0 ).hasAttr( fooAttr ) ).to.be.true;
- expect( root.getChild( 0 ).hasAttr( barAttr ) ).to.be.true;
- } );
- it( 'should create a change operation as a reverse', () => {
- let oldAttr = new Attribute( 'x', 'old' );
- let newAttr = new Attribute( 'x', 'new' );
- let range = new Range( new Position( [ 0 ], root ), new Position( [ 3 ], root ) );
- let operation = new ChangeOperation( range, oldAttr, newAttr, doc.version );
- let reverse = operation.getReversed();
- expect( reverse ).to.be.an.instanceof( ChangeOperation );
- expect( reverse.baseVersion ).to.equal( 1 );
- expect( reverse.range ).to.equal( range );
- expect( reverse.oldAttr ).to.equal( newAttr );
- expect( reverse.newAttr ).to.equal( oldAttr );
- } );
- it( 'should undo adding attribute by applying reverse operation', () => {
- let newAttr = new Attribute( 'isNew', true );
- root.insertChildren( 0, 'bar' );
- let operation = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 3 ], root ) ),
- null,
- newAttr,
- doc.version
- );
- let reverse = operation.getReversed();
- doc.applyOperation( operation );
- doc.applyOperation( reverse );
- expect( doc.version ).to.equal( 2 );
- expect( root.getChildCount() ).to.equal( 3 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 0 );
- expect( getIteratorCount( root.getChild( 1 ).getAttrs() ) ).to.equal( 0 );
- expect( getIteratorCount( root.getChild( 2 ).getAttrs() ) ).to.equal( 0 );
- } );
- it( 'should undo changing attribute by applying reverse operation', () => {
- let oldAttr = new Attribute( 'isNew', false );
- let newAttr = new Attribute( 'isNew', true );
- root.insertChildren( 0, new Text( 'bar', [ oldAttr ] ) );
- let operation = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 3 ], root ) ),
- oldAttr,
- newAttr,
- doc.version
- );
- let reverse = operation.getReversed();
- doc.applyOperation( operation );
- doc.applyOperation( reverse );
- expect( doc.version ).to.equal( 2 );
- expect( root.getChildCount() ).to.equal( 3 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 0 ).hasAttr( oldAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 1 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 1 ).hasAttr( oldAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 2 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 2 ).hasAttr( oldAttr ) ).to.be.true;
- } );
- it( 'should undo remove attribute by applying reverse operation', () => {
- let fooAttr = new Attribute( 'foo', false );
- root.insertChildren( 0, new Text( 'bar', [ fooAttr ] ) );
- let operation = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 3 ], root ) ),
- fooAttr,
- null,
- doc.version
- );
- let reverse = operation.getReversed();
- doc.applyOperation( operation );
- doc.applyOperation( reverse );
- expect( doc.version ).to.equal( 2 );
- expect( root.getChildCount() ).to.equal( 3 );
- expect( getIteratorCount( root.getChild( 0 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 0 ).hasAttr( fooAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 1 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 1 ).hasAttr( fooAttr ) ).to.be.true;
- expect( getIteratorCount( root.getChild( 2 ).getAttrs() ) ).to.equal( 1 );
- expect( root.getChild( 2 ).hasAttr( fooAttr ) ).to.be.true;
- } );
- it( 'should throw an error when one try to change and the new and old attributes have different keys', () => {
- let fooAttr = new Attribute( 'foo', true );
- let barAttr = new Attribute( 'bar', true );
- root.insertChildren( 0, 'x' );
- expect(
- () => {
- doc.applyOperation(
- new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- fooAttr,
- barAttr,
- doc.version
- )
- );
- }
- ).to.throw( CKEditorError, /operation-change-different-keys/ );
- } );
- it( 'should create operation with the same parameters when cloned', () => {
- let range = new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) );
- let oldAttr = new Attribute( 'foo', 'old' );
- let newAttr = new Attribute( 'foo', 'bar' );
- let baseVersion = doc.version;
- let op = new ChangeOperation( range, oldAttr, newAttr, baseVersion );
- let clone = op.clone();
- // New instance rather than a pointer to the old instance.
- expect( clone ).not.to.be.equal( op );
- expect( clone ).to.be.instanceof( ChangeOperation );
- expect( clone.range.isEqual( range ) ).to.be.true;
- expect( clone.oldAttr.isEqual( oldAttr ) ).to.be.true;
- expect( clone.newAttr.isEqual( newAttr ) ).to.be.true;
- expect( clone.baseVersion ).to.equal( baseVersion );
- } );
- describe( 'have conflicting attributes', () => {
- it( 'if it sets an attribute that is removed by the other operation', () => {
- let op = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- new Attribute( 'foo', 'bar' ),
- doc.version
- );
- let op2 = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- null,
- doc.version
- );
- let conflicts = op.conflictsAttributesWith( op2 );
- expect( conflicts ).to.be.true;
- } );
- it( 'if it removes an attribute that is set by the other operation', () => {
- let op = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- null,
- doc.version
- );
- let op2 = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- new Attribute( 'foo', 'bar' ),
- doc.version
- );
- let conflicts = op.conflictsAttributesWith( op2 );
- expect( conflicts ).to.be.true;
- } );
- it( 'if it sets different value than the other operation', () => {
- let op = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- new Attribute( 'foo', 'bar' ),
- doc.version
- );
- let op2 = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- new Attribute( 'foo', 'xyz' ),
- doc.version
- );
- let conflicts = op.conflictsAttributesWith( op2 );
- expect( conflicts ).to.be.true;
- } );
- it( 'if it sets a value for an attribute that is being removed by the operation', () => {
- let op = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- null,
- new Attribute( 'foo', 'bar' ),
- doc.version
- );
- let op2 = new ChangeOperation(
- new Range( new Position( [ 0 ], root ), new Position( [ 1 ], root ) ),
- new Attribute( 'foo', 'old' ),
- null,
- doc.version
- );
- let conflicts = op.conflictsAttributesWith( op2 );
- expect( conflicts ).to.be.true;
- } );
- } );
- describe( 'getTransformedBy', () => {
- let nodeA, nodeB, start, end, range, oldAttr, newAttr, op, baseVersion, expected;
- let expectOperation;
- beforeEach( () => {
- nodeA = new Node();
- nodeB = new Node();
- baseVersion = doc.version;
- oldAttr = new Attribute( 'foo', 'abc' );
- newAttr = new Attribute( 'foo', 'bar' );
- expected = {
- type: ChangeOperation,
- oldAttr: oldAttr,
- newAttr: newAttr,
- baseVersion: baseVersion + 1
- };
- expectOperation = bender.tools.operations.expectOperation( Position, Range );
- } );
- describe( 'on multi-level range', () => {
- beforeEach( () => {
- start = new Position( [ 1, 2 ], root );
- end = new Position( [ 2, 2, 4 ], root );
- range = new Range( start, end );
- op = new ChangeOperation( range, oldAttr, newAttr, baseVersion );
- expected.range = new Range( start.clone(), end.clone() );
- } );
- describe( 'InsertOperation', () => {
- it( 'target at different position: no operation update', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3, 2 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target at offset before: increment offset', () => {
- let transformBy = new InsertOperation(
- new Position( [ 1, 1 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target at same offset: increment offset', () => {
- let transformBy = new InsertOperation(
- new Position( [ 1, 2 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target at offset after: no operation update', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 2 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target before node from path: increment index on path', () => {
- let transformBy = new InsertOperation(
- new Position( [ 0 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.path[ 0 ] += 2;
- expected.range.end.path[ 0 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target after node from path: no position change', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 6 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target inside change range: split into two operations', () => {
- let transformBy = new InsertOperation(
- new Position( [ 1, 3, 1 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.start.path = [ 1, 3, 3 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start = op.range.start;
- expected.range.end.path = [ 1, 3, 1 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'ChangeOperation', () => {
- it( 'attributes not conflicting: no operation update', () => {
- let transformBy = new ChangeOperation(
- range.clone(),
- new Attribute( 'abc', true ),
- new Attribute( 'abc', false ),
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'is less important: no operation update', () => {
- let transformBy = new ChangeOperation(
- new Range( new Position( [ 1, 1, 4 ], root ), new Position( [ 3 ], root ) ),
- oldAttr,
- null,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range contains original range: convert to NoOperation', () => {
- let transformBy = new ChangeOperation(
- new Range( new Position( [ 1, 1, 4 ], root ), new Position( [ 3 ], root ) ),
- oldAttr,
- null,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], {
- type: NoOperation,
- baseVersion: baseVersion + 1
- } );
- } );
- // [ original range < ] range transformed by >
- it( 'range intersects on left: shrink original range', () => {
- let transformBy = new ChangeOperation(
- new Range( new Position( [ 1, 4, 2 ], root ), new Position( [ 3 ], root ) ),
- oldAttr,
- null,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.end = new Position( [ 1, 4, 2 ], root );
- expectOperation( transOp[ 0 ], expected );
- } );
- // [ range transformed by < ] original range >
- it( 'range intersects on right: shrink original range', () => {
- let transformBy = new ChangeOperation(
- new Range( new Position( [ 1 ], root ), new Position( [ 2, 1 ], root ) ),
- oldAttr,
- null,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start = new Position( [ 2, 1 ], root );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range is inside original range: split original range', () => {
- let transformBy = new ChangeOperation(
- new Range( new Position( [ 1, 4, 1 ], root ), new Position( [ 2, 1 ], root ) ),
- oldAttr,
- null,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.end.path = [ 1, 4, 1 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 2, 1 ];
- expected.range.end = op.range.end;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'MoveOperation', () => {
- it( 'range and target are different than change range: no operation update', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 1, 2 ], root ),
- new Position( [ 3, 4 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range offset is before change range start offset: decrement offset', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 0 ], root ),
- new Position( [ 3, 4, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset -= 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target offset is before change range start offset: increment offset', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 4, 1 ], root ),
- new Position( [ 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range is before node from path to change range: decrement index on path', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 1,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.path[ 0 ]--;
- expected.range.end.path[ 0 ]--;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range is after node from path to change range: no position change', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3 ], root ),
- new Position( [ 0, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target before node from path to change range: increment index on path', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 4, 1 ], root ),
- new Position( [ 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target after node from path to change range: no position change', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 4, 1 ], root ),
- new Position( [ 3 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range intersects on left with change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 1 ], root ),
- new Position( [ 4 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.end.path = [ 2, 1 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 4 ];
- expected.range.end.path = [ 5, 4 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range intersects on right with change range: split into two operation', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 1 ], root ),
- new Position( [ 0, 0 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.start.path = [ 1, 1 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 0, 1 ];
- expected.range.end.path = [ 0, 3 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range contains change range: update change range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1 ], root ),
- new Position( [ 3, 4, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.path = [ 1, 4, 1, 2 ];
- expected.range.end.path = [ 1, 4, 2, 2, 4 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range is inside change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 4 ], root ),
- new Position( [ 3, 2 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 3, 2 ];
- expected.range.end.path = [ 3, 4 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'target inside change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 4, 1 ], root ),
- new Position( [ 1, 4 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.start.path = [ 1, 6 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start = op.range.start;
- expected.range.end.path = [ 1, 4 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range intersects change range and target inside change range: split into three operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 1 ], root ),
- new Position( [ 2 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 3 );
- expected.range.start.path = [ 5 ];
- expected.range.end.path = [ 5, 2, 4 ];
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 1, 1 ];
- expected.range.end.path = [ 2 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- expected.range.start.path = [ 3 ];
- expected.range.end.path = [ 5 ];
- expected.baseVersion++;
- expectOperation( transOp[ 2 ], expected );
- } );
- } );
- describe( 'NoOperation', () => {
- it( 'no operation update', () => {
- let transformBy = new NoOperation( baseVersion );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- } );
- // Some extra cases for a ChangeOperation that operates on single tree level range.
- // This means that the change range start and end differs only on offset value.
- describe( 'on single-level range', () => {
- beforeEach( () => {
- start = new Position( [ 0, 2, 1 ], root );
- end = new Position( [ 0, 2, 4 ], root );
- range = new Range( start, end );
- op = new ChangeOperation( range, oldAttr, newAttr, baseVersion );
- expected.range = new Range( start.clone(), end.clone() );
- } );
- describe( 'InsertOperation', () => {
- it( 'target at offset before: increment offset', () => {
- let transformBy = new InsertOperation(
- new Position( [ 0, 2, 0 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expected.range.end.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target at same offset: increment offset', () => {
- let transformBy = new InsertOperation(
- new Position( [ 0, 2, 1 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expected.range.end.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- describe( 'MoveOperation', () => {
- it( 'range offset is before change range start offset: decrement offset', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 0 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 1,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset--;
- expected.range.end.offset--;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target offset is before change range start offset: increment offset', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 4, 1 ], root ),
- new Position( [ 0, 2, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.offset += 2;
- expected.range.end.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range intersects on left with change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 2 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 4,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.end.offset -= 2;
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 2, 4, 1 ];
- expected.range.end.path = [ 2, 4, 3 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range intersects on right with change range: split into two operation', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 0 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.start.offset -= 1;
- expected.range.end.offset -= 2;
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 2, 4, 2 ];
- expected.range.end.path = [ 2, 4, 3 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range contains change range: update change range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 1 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start.path = [ 2, 4, 2, 1 ];
- expected.range.end.path = [ 2, 4, 2, 4 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'range is inside change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 2 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 1,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.end.offset--;
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.path = [ 2, 4, 1 ];
- expected.range.end.path = [ 2, 4, 2 ];
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range is same as change range: update change range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 1 ], root ),
- new Position( [ 2, 4, 1 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.range.start = new Position( [ 2, 4, 1 ], root );
- expected.range.end = new Position( [ 2, 4, 4 ], root );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'target inside change range: split into two operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 4, 1 ], root ),
- new Position( [ 0, 2, 2 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.range.start.offset = 4;
- expected.range.end.offset = 6;
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.offset = op.range.start.offset;
- expected.range.end.offset = 2;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'range intersects change range and target inside change range: split into three operations', () => {
- let transformBy = new MoveOperation(
- new Position( [ 0, 2, 0 ], root ),
- new Position( [ 0, 2, 3 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 3 );
- expected.range.start.offset = 3;
- expected.range.end.offset = 4;
- expectOperation( transOp[ 0 ], expected );
- expected.range.start.offset = 0;
- expected.range.end.offset = 1;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- expected.range.start.offset = 2;
- expected.range.end.offset = 3;
- expected.baseVersion++;
- expectOperation( transOp[ 2 ], expected );
- } );
- } );
- } );
- } );
- } );
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