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Tests: Selection class.

Szymon Cofalik 10 tahun lalu
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1 mengubah file dengan 389 tambahan dan 0 penghapusan
  1. 389 0
      packages/ckeditor5-engine/tests/treemodel/selection.js

+ 389 - 0
packages/ckeditor5-engine/tests/treemodel/selection.js

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+/**
+ * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md.
+ */
+
+/* bender-tags: treemodel */
+
+'use strict';
+
+const modules = bender.amd.require(
+	'treemodel/document',
+	'treemodel/range',
+	'treemodel/position',
+	'treemodel/liverange',
+	'treemodel/selection',
+	'treemodel/operation/insertoperation',
+	'treemodel/operation/moveoperation'
+);
+
+describe( 'Selection', () => {
+	let Document, Range, Position, LiveRange, Selection, InsertOperation, MoveOperation;
+
+	before( () => {
+		Document = modules[ 'treemodel/document' ];
+		Range = modules[ 'treemodel/range' ];
+		Position = modules[ 'treemodel/position' ];
+		LiveRange = modules[ 'treemodel/liverange' ];
+		Selection = modules[ 'treemodel/selection' ];
+		InsertOperation = modules[ 'treemodel/operation/insertoperation' ];
+		MoveOperation = modules[ 'treemodel/operation/moveoperation' ];
+	} );
+
+	let doc, root, selection, range1, range2;
+
+	beforeEach( () => {
+		doc = new Document();
+		root = doc.createRoot( 'root' );
+		selection = new Selection();
+
+		range1 = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
+		range2 = new LiveRange( new Position( root, [ 2 ] ), new Position( root, [ 2, 2 ] ) );
+	} );
+
+	afterEach( () => {
+		selection.detach();
+		range1.detach();
+		range2.detach();
+	} );
+
+	it( 'should not have any range, anchor or focus position when just created', () => {
+		let ranges = selection.getRanges();
+		expect( ranges.length ).to.equal( 0 );
+		expect( selection.anchor ).to.be.null;
+		expect( selection.focus ).to.be.null;
+	} );
+
+	it( 'should be collapsed if it has no ranges or all ranges are collapsed', () => {
+		expect( selection.isCollapsed ).to.be.true;
+
+		selection.addRange( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
+
+		expect( selection.isCollapsed ).to.be.true;
+	} );
+
+	it( 'should not be collapsed when it has a range that is not collapsed', () => {
+		selection.addRange( range1 );
+
+		expect( selection.isCollapsed ).to.be.false;
+
+		selection.addRange( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
+
+		expect( selection.isCollapsed ).to.be.false;
+	} );
+
+	it( 'should store multiple ranges', () => {
+		selection.addRange( range1 );
+		selection.addRange( range2 );
+
+		let ranges = selection.getRanges();
+
+		expect( ranges.length ).to.equal( 2 );
+		expect( ranges[ 0 ] ).to.equal( range1 );
+		expect( ranges[ 1 ] ).to.equal( range2 );
+	} );
+
+	it( 'should set anchor and focus to the start and end of the most recently added range', () => {
+		selection.addRange( range1 );
+
+		expect( selection.anchor.path ).to.deep.equal( [ 0 ] );
+		expect( selection.focus.path ).to.deep.equal( [ 1 ] );
+
+		selection.addRange( range2 );
+
+		expect( selection.anchor.path ).to.deep.equal( [ 2 ] );
+		expect( selection.focus.path ).to.deep.equal( [ 2, 2 ] );
+	} );
+
+	it( 'should set anchor and focus to the end and start of the most recently added range if backward flag was used', () => {
+		selection.addRange( range1, true );
+
+		expect( selection.anchor.path ).to.deep.equal( [ 1 ] );
+		expect( selection.focus.path ).to.deep.equal( [ 0 ] );
+
+		selection.addRange( range2, true );
+
+		expect( selection.anchor.path ).to.deep.equal( [ 2, 2 ] );
+		expect( selection.focus.path ).to.deep.equal( [ 2 ] );
+	} );
+
+	it( 'should convert added Range to LiveRange', () => {
+		let range = new Range( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
+		selection.addRange( range );
+
+		let ranges = selection.getRanges();
+
+		expect( ranges[ 0 ] ).to.be.instanceof( LiveRange );
+		expect( ranges[ 0 ].isEqual( range ) ).to.be.true;
+	} );
+
+	it( 'should fire update event when adding a range', () => {
+		let spy = sinon.spy();
+		selection.on( 'update', spy );
+
+		selection.addRange( range1 );
+
+		expect( spy.called ).to.be.true;
+	} );
+
+	it( 'should unbind all events when detached', () => {
+		selection.addRange( range1 );
+		selection.addRange( new Range( new Position( root, [ 3 ] ), new Position( root, [ 4 ] ) ) );
+
+		let ranges = selection.getRanges();
+
+		sinon.spy( ranges[ 0 ], 'detach' );
+		sinon.spy( ranges[ 1 ], 'detach' );
+
+		selection.detach();
+
+		expect( ranges[ 0 ].detach.called ).to.be.true;
+		expect( ranges[ 1 ].detach.called ).to.be.true;
+
+		ranges[ 0 ].detach.restore();
+		ranges[ 1 ].detach.restore();
+	} );
+
+	describe( 'removeAllRanges', () => {
+		let spy;
+
+		beforeEach( () => {
+			selection.addRange( range1 );
+			selection.addRange( range2 );
+
+			spy = sinon.spy();
+			selection.on( 'update', spy );
+
+			sinon.spy( range1, 'detach' );
+			sinon.spy( range2, 'detach' );
+
+			selection.removeAllRanges();
+		} );
+
+		afterEach( () => {
+			range1.detach.restore();
+			range2.detach.restore();
+		} );
+
+		it( 'should remove all stored ranges', () => {
+			let ranges = selection.getRanges();
+
+			expect( ranges.length ).to.equal( 0 );
+			expect( selection.anchor ).to.be.null;
+			expect( selection.focus ).to.be.null;
+			expect( selection.isCollapsed ).to.be.true;
+		} );
+
+		it( 'should fire exactly one update event', () => {
+			expect( spy.calledOnce ).to.be.true;
+		} );
+
+		it( 'should detach removed LiveRanges', () => {
+			expect( range1.detach.called ).to.be.true;
+			expect( range2.detach.called ).to.be.true;
+		} );
+	} );
+
+	describe( 'setRanges', () => {
+		let newRanges, spy;
+
+		before( () => {
+			newRanges = [
+				new LiveRange( new Position( root, [ 4 ] ), new Position( root, [ 5 ] ) ),
+				new LiveRange( new Position( root, [ 5, 0 ] ), new Position( root, [ 6, 0 ] ) )
+			];
+		} );
+
+		beforeEach( () => {
+			selection.addRange( range1 );
+			selection.addRange( range2 );
+
+			spy = sinon.spy();
+			selection.on( 'update', spy );
+
+			sinon.spy( range1, 'detach' );
+			sinon.spy( range2, 'detach' );
+		} );
+
+		afterEach( () => {
+			range1.detach.restore();
+			range2.detach.restore();
+		} );
+
+		it( 'should remove all ranges and add given ranges', () => {
+			selection.setRanges( newRanges );
+			let ranges = selection.getRanges();
+
+			expect( ranges.length ).to.equal( 2 );
+			expect( ranges[ 0 ] ).to.equal( newRanges[ 0 ] );
+			expect( ranges[ 1 ] ).to.equal( newRanges[ 1 ] );
+		} );
+
+		it( 'should use last range from given array to get anchor and focus position', () => {
+			selection.setRanges( newRanges );
+
+			expect( selection.anchor.path ).to.deep.equal( [ 5, 0 ] );
+			expect( selection.focus.path ).to.deep.equal( [ 6, 0 ] );
+		} );
+
+		it( 'should acknowledge backward flag when setting anchor and focus', () => {
+			selection.setRanges( newRanges, true );
+
+			expect( selection.anchor.path ).to.deep.equal( [ 6, 0 ] );
+			expect( selection.focus.path ).to.deep.equal( [ 5, 0 ] );
+		} );
+
+		it( 'should fire exactly one update event', () => {
+			expect( spy.calledOnce ).to.be.true;
+		} );
+
+		it( 'should detach removed LiveRanges', () => {
+			expect( range1.detach.called ).to.be.true;
+			expect( range2.detach.called ).to.be.true;
+		} );
+	} );
+
+	// Selection uses LiveRanges so here are only simple test to see if integration is
+	// working well, without getting into complicated corner cases.
+	describe( 'after applying an operation should get updated and not fire update event', () => {
+		let spy;
+
+		beforeEach( () => {
+			root.insertChildren( 0, [ new Element( 'ul', [], 'abcdef' ), new Element( 'p', [], 'foobar' ), 'xyz' ] );
+
+			selection.addRange( new LiveRange( new Position( root, [ 0, 2 ] ), new Position( root, [ 1, 4 ] ) ) );
+
+			spy = sinon.spy();
+			selection.on( 'update', spy );
+		} );
+
+		describe( 'InsertOperation', () => {
+			it( 'before selection', () => {
+				doc.applyOperation(
+					new InsertOperation(
+						new Position( root, [ 0, 1 ] ),
+						'xyz',
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 5 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
+				expect( spy.called ).to.be.false;
+			} );
+
+			it( 'inside selection', () => {
+				doc.applyOperation(
+					new InsertOperation(
+						new Position( root, [ 1, 0 ] ),
+						'xyz',
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 7 ] );
+				expect( spy.called ).to.be.false;
+			} );
+		} );
+
+		describe( 'MoveOperation', () => {
+			it( 'move range from before a selection', () => {
+				doc.applyOperation(
+					new MoveOperation(
+						new Position( root, [ 0, 0 ] ),
+						2,
+						new Position( root, [ 2 ] ),
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 0 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
+				expect( spy.called ).to.be.false;
+			} );
+
+			it( 'moved into before a selection', () => {
+				doc.applyOperation(
+					new MoveOperation(
+						new Position( root, [ 2 ] ),
+						2,
+						new Position( root, [ 0, 0 ] ),
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
+				expect( spy.called ).to.be.false;
+			} );
+
+			it( 'move range from inside of selection', () => {
+				doc.applyOperation(
+					new MoveOperation(
+						new Position( root, [ 1, 0 ] ),
+						2,
+						new Position( root, [ 2 ] ),
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 2 ] );
+				expect( spy.called ).to.be.false;
+			} );
+
+			it( 'moved range intersects with selection', () => {
+				doc.applyOperation(
+					new MoveOperation(
+						new Position( root, [ 1, 3 ] ),
+						2,
+						new Position( root, [ 4 ] ),
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 3 ] );
+				expect( spy.called ).to.be.false;
+			} );
+
+			it( 'split inside selection (do not break selection)', () => {
+				doc.applyOperation(
+					new InsertOperation(
+						new Position( root, [ 2 ] ),
+						new Element( 'p' ),
+						doc.version
+					)
+				);
+
+				doc.applyOperation(
+					new MoveOperation(
+						new Position( root, [ 1, 2 ] ),
+						4,
+						new Position( root, [ 2, 0 ] ),
+						doc.version
+					)
+				);
+
+				let range = selection.getRanges()[ 0 ];
+
+				expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
+				expect( range.end.path ).to.deep.equal( [ 1, 2 ] );
+				expect( spy.called ).to.be.false;
+			} );
+		} );
+	} );
+} );