mergecontainers.js 3.3 KB

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  1. /**
  2. * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
  4. */
  5. import DowncastWriter from '../../../src/view/downcastwriter';
  6. import { stringify, parse } from '../../../src/dev-utils/view';
  7. import Document from '../../../src/view/document';
  8. import { expectToThrowCKEditorError } from '@ckeditor/ckeditor5-utils/tests/_utils/utils';
  9. import { StylesProcessor } from '../../../src/view/stylesmap';
  10. describe( 'DowncastWriter', () => {
  11. describe( 'mergeContainers()', () => {
  12. let writer;
  13. // Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and
  14. // test break position.
  15. //
  16. // @param {String} input
  17. // @param {String} expected
  18. function testMerge( input, expected ) {
  19. const { view, selection } = parse( input );
  20. const newPosition = writer.mergeContainers( selection.getFirstPosition() );
  21. expect( stringify( view.root, newPosition, { showType: true, showPriority: false } ) ).to.equal( expected );
  22. }
  23. before( () => {
  24. writer = new DowncastWriter( new Document( new StylesProcessor() ) );
  25. } );
  26. it( 'should merge two container elements - position between elements', () => {
  27. testMerge(
  28. '<container:div>' +
  29. '<attribute:b>foo</attribute:b>' +
  30. '</container:div>' +
  31. '[]<container:div>' +
  32. '<attribute:u>bar</attribute:u>' +
  33. '</container:div>',
  34. '<container:div><attribute:b>foo</attribute:b>[]<attribute:u>bar</attribute:u></container:div>'
  35. );
  36. } );
  37. it( 'should merge two container elements - position in text', () => {
  38. testMerge(
  39. '<container:div>foo</container:div>[]<container:div>bar</container:div>',
  40. '<container:div>foo{}bar</container:div>'
  41. );
  42. } );
  43. it( 'should merge two different container elements', () => {
  44. testMerge(
  45. '<container:div>foo</container:div>[]<container:p>bar</container:p>',
  46. '<container:div>foo{}bar</container:div>'
  47. );
  48. } );
  49. it( 'should throw if there is no element before position', () => {
  50. const { selection } = parse( '[]<container:div>foobar</container:div>' );
  51. expectToThrowCKEditorError( () => {
  52. writer.mergeContainers( selection.getFirstPosition() );
  53. }, /view-writer-merge-containers-invalid-position/, writer );
  54. } );
  55. it( 'should throw if there is no element after position', () => {
  56. const { selection } = parse( '<container:div>foobar</container:div>[]' );
  57. expectToThrowCKEditorError( () => {
  58. writer.mergeContainers( selection.getFirstPosition() );
  59. }, /view-writer-merge-containers-invalid-position/, writer );
  60. } );
  61. it( 'should throw if element before position is not a container element', () => {
  62. const { selection } = parse( '<attribute:u>foo</attribute:u>[]<container:div>bar</container:div>' );
  63. expectToThrowCKEditorError( () => {
  64. writer.mergeContainers( selection.getFirstPosition() );
  65. }, /view-writer-merge-containers-invalid-position/, writer );
  66. } );
  67. it( 'should throw if element after position is not a container element', () => {
  68. const { selection } = parse( '<container:div>foo</container:div>[]<attribute:u>bar</attribute:u>' );
  69. expectToThrowCKEditorError( () => {
  70. writer.mergeContainers( selection.getFirstPosition() );
  71. }, /view-writer-merge-containers-invalid-position/, writer );
  72. } );
  73. } );
  74. } );