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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 */
- 'use strict';
- const modules = bender.amd.require(
- 'document/document',
- 'document/operation/moveoperation',
- 'document/operation/insertoperation',
- 'document/operation/changeoperation',
- 'document/operation/nooperation',
- 'document/attribute',
- 'document/position',
- 'document/range',
- 'document/element',
- 'document/node',
- 'document/nodelist',
- 'ckeditorerror'
- );
- describe( 'MoveOperation', () => {
- let Document, MoveOperation, InsertOperation, ChangeOperation, NoOperation,
- Attribute, Position, Range, Element, Node, NodeList, CKEditorError;
- before( () => {
- Document = modules[ 'document/document' ];
- MoveOperation = modules[ 'document/operation/moveoperation' ];
- InsertOperation = modules[ 'document/operation/insertoperation' ];
- ChangeOperation = modules[ 'document/operation/changeoperation' ];
- NoOperation = modules[ 'document/operation/nooperation' ];
- Attribute = modules[ 'document/attribute' ];
- Position = modules[ 'document/position' ];
- Range = modules[ 'document/range' ];
- Element = modules[ 'document/element' ];
- Node = modules[ 'document/node' ];
- NodeList = modules[ 'document/nodelist' ];
- CKEditorError = modules.ckeditorerror;
- } );
- let doc, root;
- beforeEach( () => {
- doc = new Document();
- root = doc.createRoot( 'root' );
- } );
- it( 'should move from one node to another', () => {
- let p1 = new Element( 'p1', [], new Element( 'x' ) );
- let p2 = new Element( 'p2' );
- root.insertChildren( 0, [ p1, p2 ] );
- doc.applyOperation(
- new MoveOperation(
- new Position( [ 0, 0 ], root ),
- new Position( [ 1, 0 ], root ),
- 1,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 2 );
- expect( root.getChild( 0 ).name ).to.equal( 'p1' );
- expect( root.getChild( 1 ).name ).to.equal( 'p2' );
- expect( p1.getChildCount() ).to.equal( 0 );
- expect( p2.getChildCount() ).to.equal( 1 );
- expect( p2.getChild( 0 ).name ).to.equal( 'x' );
- } );
- it( 'should move position of children in one node backward', () => {
- root.insertChildren( 0, 'xbarx' );
- doc.applyOperation(
- new MoveOperation(
- new Position( [ 2 ], root ),
- new Position( [ 1 ], root ),
- 2,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 5 );
- expect( root.getChild( 0 ).character ).to.equal( 'x' );
- expect( root.getChild( 1 ).character ).to.equal( 'a' );
- expect( root.getChild( 2 ).character ).to.equal( 'r' );
- expect( root.getChild( 3 ).character ).to.equal( 'b' );
- expect( root.getChild( 4 ).character ).to.equal( 'x' );
- } );
- it( 'should move position of children in one node forward', () => {
- root.insertChildren( 0, 'xbarx' );
- doc.applyOperation(
- new MoveOperation(
- new Position( [ 1 ], root ),
- new Position( [ 4 ], root ),
- 2,
- doc.version
- )
- );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 5 );
- expect( root.getChild( 0 ).character ).to.equal( 'x' );
- expect( root.getChild( 1 ).character ).to.equal( 'r' );
- expect( root.getChild( 2 ).character ).to.equal( 'b' );
- expect( root.getChild( 3 ).character ).to.equal( 'a' );
- expect( root.getChild( 4 ).character ).to.equal( 'x' );
- } );
- it( 'should create a move operation as a reverse', () => {
- let nodeList = new NodeList( 'bar' );
- let sourcePosition = new Position( [ 0 ], root );
- let targetPosition = new Position( [ 4 ], root );
- let operation = new MoveOperation( sourcePosition, targetPosition, nodeList.length, doc.version );
- let reverse = operation.getReversed();
- expect( reverse ).to.be.an.instanceof( MoveOperation );
- expect( reverse.baseVersion ).to.equal( 1 );
- expect( reverse.howMany ).to.equal( nodeList.length );
- expect( reverse.sourcePosition.isEqual( targetPosition ) ).to.be.true;
- expect( reverse.targetPosition.isEqual( sourcePosition ) ).to.be.true;
- } );
- it( 'should undo move node by applying reverse operation', () => {
- let p1 = new Element( 'p1', [], new Element( 'x' ) );
- let p2 = new Element( 'p2' );
- root.insertChildren( 0, [ p1, p2 ] );
- let operation = new MoveOperation(
- new Position( [ 0, 0 ], root ),
- new Position( [ 1, 0 ], root ),
- 1,
- doc.version
- );
- doc.applyOperation( operation );
- expect( doc.version ).to.equal( 1 );
- expect( root.getChildCount() ).to.equal( 2 );
- expect( p1.getChildCount() ).to.equal( 0 );
- expect( p2.getChildCount() ).to.equal( 1 );
- expect( p2.getChild( 0 ).name ).to.equal( 'x' );
- doc.applyOperation( operation.getReversed() );
- expect( doc.version ).to.equal( 2 );
- expect( root.getChildCount() ).to.equal( 2 );
- expect( p1.getChildCount() ).to.equal( 1 );
- expect( p1.getChild( 0 ).name ).to.equal( 'x' );
- expect( p2.getChildCount() ).to.equal( 0 );
- } );
- it( 'should throw an error if number of nodes to move exceeds the number of existing nodes in given element', () => {
- root.insertChildren( 0, 'xbarx' );
- let operation = new MoveOperation(
- new Position( [ 3 ], root ),
- new Position( [ 1 ], root ),
- 3,
- doc.version
- );
- expect( () => doc.applyOperation( operation ) ).to.throw( CKEditorError, /operation-move-nodes-do-not-exist/ );
- } );
- it( 'should throw an error if target or source parent-element specified by position does not exist', () => {
- let p = new Element( 'p' );
- p.insertChildren( 0, 'foo' );
- root.insertChildren( 0, [ 'ab', p ] );
- let operation = new MoveOperation(
- new Position( [ 2, 0 ], root ),
- new Position( [ 1 ], root ),
- 3,
- doc.version
- );
- root.removeChildren( 2, 1 );
- expect( () => doc.applyOperation( operation ) ).to.throw( CKEditorError, /operation-move-position-invalid/ );
- } );
- it( 'should throw an error if operation tries to move a range between the beginning and the end of that range', () => {
- root.insertChildren( 0, 'xbarx' );
- let operation = new MoveOperation(
- new Position( [ 1 ], root ),
- new Position( [ 2 ], root ),
- 3,
- doc.version
- );
- expect( () => doc.applyOperation( operation ) ).to.throw( CKEditorError, /operation-move-range-into-itself/ );
- } );
- it( 'should throw an error if operation tries to move a range into a sub-tree of a node that is in that range', () => {
- let p = new Element( 'p', [], [ new Element( 'p' ) ] );
- root.insertChildren( 0, [ 'ab', p, 'xy' ] );
- let operation = new MoveOperation(
- new Position( [ 1 ], root ),
- new Position( [ 2, 0, 0 ], root ),
- 3,
- doc.version
- );
- expect( () => doc.applyOperation( operation ) ).to.throw( CKEditorError, /operation-move-node-into-itself/ );
- } );
- it( 'should not throw an error if operation move a range into a sibling', () => {
- let p = new Element( 'p' );
- root.insertChildren( 0, [ 'ab', p, 'xy' ] );
- let operation = new MoveOperation(
- new Position( [ 1 ], root ),
- new Position( [ 2, 0 ], root ),
- 1,
- doc.version
- );
- expect(
- () => {
- doc.applyOperation( operation );
- }
- ).not.to.throw();
- expect( root.getChildCount() ).to.equal( 4 );
- expect( p.getChildCount() ).to.equal( 1 );
- expect( p.getChild( 0 ).character ).to.equal( 'b' );
- } );
- it( 'should create operation with the same parameters when cloned', () => {
- let sourcePosition = new Position( [ 0 ], root );
- let targetPosition = new Position( [ 1 ], root );
- let howMany = 4;
- let baseVersion = doc.version;
- let op = new MoveOperation( sourcePosition, targetPosition, howMany, 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( MoveOperation );
- expect( clone.sourcePosition.isEqual( sourcePosition ) ).to.be.true;
- expect( clone.targetPosition.isEqual( targetPosition ) ).to.be.true;
- expect( clone.howMany ).to.equal( howMany );
- expect( clone.baseVersion ).to.equal( baseVersion );
- } );
- describe( 'getTransformedBy', () => {
- let nodeA, nodeB, op, baseVersion, sourcePosition, targetPosition, rangeEnd, howMany, expected;
- let expectOperation;
- beforeEach( () => {
- nodeA = new Node();
- nodeB = new Node();
- baseVersion = doc.version;
- sourcePosition = new Position( [ 2, 2, 4 ], root );
- targetPosition = new Position( [ 3, 3, 3 ], root );
- howMany = 2;
- rangeEnd = sourcePosition.clone();
- rangeEnd.offset += howMany;
- op = new MoveOperation( sourcePosition, targetPosition, howMany, baseVersion );
- expected = {
- type: MoveOperation,
- sourcePosition: sourcePosition.clone(),
- targetPosition: targetPosition.clone(),
- howMany: howMany,
- baseVersion: baseVersion + 1
- };
- expectOperation = bender.tools.operations.expectOperation( Position, Range );
- } );
- describe( 'InsertOperation', () => {
- // insert in different spots than move op
- it( 'should not change if origin and destination are different than insert address', () => {
- let transformBy = new InsertOperation(
- new Position( [ 1, 3, 2 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert inside moved node
- it( 'should not change if insert was inside moved sub-tree', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 2, 3, 1 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert before to moved node
- it( 'should increment origin offset if insert was in the same parent but before moved node', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 2, 0 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert after to moved node
- it( 'should not increment offset if insert was in the same parent but after moved node', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 2, 6 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert next to a path to moved node
- it( 'should update origin path if insert was before a node from that path', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 0 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should not update origin path if insert was after a node from that path', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 3 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert before to moved node
- it( 'should increment destination offset if insert was in the same parent but before moved node', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3, 2 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert after to moved node
- it( 'should not increment destination offset if insert was in the same parent but after moved node', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3, 4 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- // insert next to a path to moved node
- it( 'should update destination path if insert was before a node from that path', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 0 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should not update destination path if insert was after a node from that path', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 6 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should increment destination offset if insert is on the same position and move operation is weaker', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3, 3 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should not increment destination offset if insert is on the same position and move operation is stronger', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3, 3 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update destination path if insert is at the same offset and move operation is weaker', () => {
- let transformBy = new InsertOperation(
- new Position( [ 3, 3 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should be split into two operations if insert was inside the moved range', () => {
- let transformBy = new InsertOperation(
- new Position( [ 2, 2, 5 ], root ),
- [ nodeA, nodeB ],
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.sourcePosition.path = [ 2, 2, 7 ];
- expected.howMany = 1;
- expectOperation( transOp[ 0 ], expected );
- expected.sourcePosition.path = [ 2, 2, 4 ];
- expected.howMany = 1;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'ChangeOperation', () => {
- it( 'should not get updated', () => {
- let transformBy = new ChangeOperation(
- new Range( sourcePosition, rangeEnd ),
- new Attribute( 'abc', true ),
- new Attribute( 'abc', false ),
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- describe( 'MoveOperation', () => {
- it( 'should not change if both operations are happening in different parts of tree', () => {
- let transformBy = new MoveOperation(
- new Position( [ 1, 2 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- describe( 'when incoming move origin node does not and is not contained by on-site move origin node', () => {
- it( 'should increment origin offset if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 2, 2, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should decrement origin offset if affected by on-site move-out', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 0 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.offset -= 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should not decrement origin offset if on-site moved range is after incoming moved range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 9 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update origin path if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 2, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should not update origin path if on-site moved range is after a node from that path', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 3 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update destination path if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 3, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update origin path if affected by on-site move-out', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 0 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path[ 1 ] -= 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update origin path if affected by on-site move-out', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 0 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path[ 1 ] -= 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should decrement destination offset if affected by on-site move-out', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 3, 0 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.offset -= 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should increment destination offset affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 3, 3, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should get split into two operations if on-site move-to was inside incoming move range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 2, 2, 5 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.howMany = 1;
- expected.sourcePosition.offset = 7;
- expectOperation( transOp[ 0 ], expected );
- expected.sourcePosition.offset = 4;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'when incoming move origin node sub-tree contains on-site move origin', () => {
- it( 'should increment origin offset if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5, 1 ], root ),
- new Position( [ 2, 2, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update origin path if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5, 1 ], root ),
- new Position( [ 2, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update destination path if affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5, 1 ], root ),
- new Position( [ 3, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path[ 1 ] += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should increment destination offset affected by on-site move-to', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5, 1 ], root ),
- new Position( [ 3, 3, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.offset += 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should get split into two operations if on-site move-to was inside incoming move range', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5, 1 ], root ),
- new Position( [ 2, 2, 5 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.howMany = 1;
- expected.sourcePosition.offset = 7;
- expectOperation( transOp[ 0 ], expected );
- expected.sourcePosition.offset = 4;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- it( 'should not change if on-site move is from non-affecting position to inside of moved sub-tree', () => {
- let transformBy = new MoveOperation(
- new Position( [ 4, 1, 0 ], root ),
- new Position( [ 2, 2, 5, 1 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update origin address if on-site move origin node sub-tree includes incoming move origin node', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 1 ], root ),
- new Position( [ 4, 2 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path = [ 4, 3, 4 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should update destination address if incoming move destination is inside of on-site moved sub-tree', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 2 ], root ),
- new Position( [ 0, 1 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.targetPosition.path = [ 0, 2, 3 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- describe( 'when both move operations\' destinations are inside of moved sub-trees', () => {
- it( 'should be changed to operation reversing site-on move', () => {
- let transformBy = new MoveOperation(
- new Position( [ 3, 2 ], root ),
- new Position( [ 2, 2, 5, 0 ], root ),
- 3,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- let reversed = transformBy.getReversed();
- expected.sourcePosition = reversed.sourcePosition;
- expected.targetPosition = reversed.targetPosition;
- expected.howMany = reversed.howMany;
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- describe( 'when both move operations have same range', () => {
- it( 'should be changed to no-op if incoming operation is weaker', () => {
- let transformBy = new MoveOperation(
- op.sourcePosition.clone(),
- new Position( [ 4, 1, 0 ], root ),
- op.howMany,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], {
- type: NoOperation,
- baseVersion: baseVersion + 1
- } );
- } );
- it( 'should have it\'s origin address changed if incoming operation is stronger', () => {
- let transformBy = new MoveOperation(
- op.sourcePosition.clone(),
- new Position( [ 4, 1, 0 ], root ),
- op.howMany,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expected.sourcePosition.path = [ 4, 1, 0 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- describe( 'when incoming range is contained by on-site range', () => {
- it( 'should be changed to no-op if incoming operation is weaker', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 3 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 4,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expectOperation( transOp[ 0 ], {
- type: NoOperation,
- baseVersion: baseVersion + 1
- } );
- } );
- it( 'should have it\'s origin address changed if incoming operation has higher site id', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 3 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 4,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expected.sourcePosition.path = [ 4, 1, 1 ];
- expectOperation( transOp[ 0 ], expected );
- } );
- } );
- describe( 'when incoming range intersects on right-side with on-site range', () => {
- it( 'should get shrunk if it is weaker', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 3 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.sourcePosition.path = [ 2, 2, 3 ];
- expected.howMany = 1;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should get split into two operations if it is stronger', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 3 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expected.sourcePosition.path = [ 2, 2, 3 ];
- expectOperation( transOp[ 0 ], {
- type: MoveOperation,
- sourcePosition: new Position( [ 4, 1, 1 ], root ),
- targetPosition: expected.targetPosition,
- howMany: 1,
- baseVersion: expected.baseVersion
- } );
- expected.howMany = 1;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'when incoming range intersects on left-side with on-site range', () => {
- it( 'should get shrunk if it has lower site id', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.howMany = 1;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should get split into two operations (one of them with updated address and offset) if it has higher site id', () => {
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expectOperation( transOp[ 0 ], {
- type: MoveOperation,
- sourcePosition: new Position( [ 4, 1, 0 ], root ),
- targetPosition: expected.targetPosition,
- howMany: 1,
- baseVersion: expected.baseVersion
- } );
- expected.howMany = 1;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- } );
- describe( 'when incoming range contains on-site range', () => {
- it( 'should get shrunk if it has lower site id', () => {
- op.howMany = 4;
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy );
- expected.howMany = 2;
- expectOperation( transOp[ 0 ], expected );
- } );
- it( 'should get split into two operations if it has higher site id', () => {
- op.howMany = 4;
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5 ], root ),
- new Position( [ 4, 1, 0 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 2 );
- expectOperation( transOp[ 0 ], {
- type: MoveOperation,
- sourcePosition: new Position( [ 4, 1, 0 ], root ),
- targetPosition: expected.targetPosition,
- howMany: 2,
- baseVersion: expected.baseVersion
- } );
- expected.howMany = 2;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- } );
- it( 'should get split into three operations if it has higher site id and on-site destination is inside moved range', () => {
- op.howMany = 6;
- let transformBy = new MoveOperation(
- new Position( [ 2, 2, 5 ], root ),
- new Position( [ 2, 2, 9 ], root ),
- 2,
- baseVersion
- );
- let transOp = op.getTransformedBy( transformBy, true );
- expect( transOp ).to.be.instanceof( Array );
- expect( transOp.length ).to.equal( 3 );
- expected.sourcePosition.path = [ 2, 2, 9 ];
- expected.howMany = 1;
- expectOperation( transOp[ 0 ], expected );
- expected.sourcePosition.path = [ 2, 2, 7 ];
- expected.howMany = 2;
- expected.baseVersion++;
- expectOperation( transOp[ 1 ], expected );
- expected.sourcePosition.path = [ 2, 2, 4 ];
- expected.howMany = 3;
- expected.baseVersion++;
- expectOperation( transOp[ 2 ], expected );
- } );
- } );
- } );
- } );
- } );
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