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mergecontainers.js 2.9 KB

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  1. /**
  2. * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
  3. * For licensing, see LICENSE.md.
  4. */
  5. import { mergeContainers } from '../../../src/view/writer';
  6. import { stringify, parse } from '../../../src/dev-utils/view';
  7. import CKEditorError from '@ckeditor/ckeditor5-utils/src/ckeditorerror';
  8. describe( 'writer', () => {
  9. /**
  10. * Executes test using `parse` and `stringify` utils functions. Uses range delimiters `[]{}` to create and
  11. * test break position.
  12. *
  13. * @param {String} input
  14. * @param {String} expected
  15. */
  16. function test( input, expected ) {
  17. const { view, selection } = parse( input );
  18. const newPosition = mergeContainers( selection.getFirstPosition() );
  19. expect( stringify( view.root, newPosition, { showType: true, showPriority: false } ) ).to.equal( expected );
  20. }
  21. describe( 'mergeContainers', () => {
  22. it( 'should merge two container elements - position between elements', () => {
  23. test(
  24. '<container:div>' +
  25. '<attribute:b>foo</attribute:b>' +
  26. '</container:div>' +
  27. '[]<container:div>' +
  28. '<attribute:u>bar</attribute:u>' +
  29. '</container:div>',
  30. '<container:div><attribute:b>foo</attribute:b>[]<attribute:u>bar</attribute:u></container:div>'
  31. );
  32. } );
  33. it( 'should merge two container elements - position in text', () => {
  34. test(
  35. '<container:div>foo</container:div>[]<container:div>bar</container:div>',
  36. '<container:div>foo{}bar</container:div>'
  37. );
  38. } );
  39. it( 'should merge two different container elements', () => {
  40. test(
  41. '<container:div>foo</container:div>[]<container:p>bar</container:p>',
  42. '<container:div>foo{}bar</container:div>'
  43. );
  44. } );
  45. it( 'should throw if there is no element before position', () => {
  46. const { selection } = parse( '[]<container:div>foobar</container:div>' );
  47. expect( () => {
  48. mergeContainers( selection.getFirstPosition() );
  49. } ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
  50. } );
  51. it( 'should throw if there is no element after position', () => {
  52. const { selection } = parse( '<container:div>foobar</container:div>[]' );
  53. expect( () => {
  54. mergeContainers( selection.getFirstPosition() );
  55. } ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
  56. } );
  57. it( 'should throw if element before position is not a container element', () => {
  58. const { selection } = parse( '<attribute:u>foo</attribute:u>[]<container:div>bar</container:div>' );
  59. expect( () => {
  60. mergeContainers( selection.getFirstPosition() );
  61. } ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
  62. } );
  63. it( 'should throw if element after position is not a container element', () => {
  64. const { selection } = parse( '<container:div>foo</container:div>[]<attribute:u>bar</attribute:u>' );
  65. expect( () => {
  66. mergeContainers( selection.getFirstPosition() );
  67. } ).to.throw( CKEditorError, /view-writer-merge-containers-invalid-position/ );
  68. } );
  69. } );
  70. } );