mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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314 lines
8.6 KiB
JavaScript
314 lines
8.6 KiB
JavaScript
/**
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* VisualEditor data model TransactionProcessor tests.
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*
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* @copyright 2011-2012 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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QUnit.module( 've.dm.TransactionProcessor' );
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/* Tests */
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QUnit.test( 'protection against double application', 3, function ( assert ) {
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var tx,
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testDocument = new ve.dm.Document( ve.dm.example.data );
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tx = new ve.dm.Transaction();
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tx.pushRetain( 1 );
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tx.pushReplace( [], ['H', 'e', 'l', 'l', 'o' ] );
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assert.throws(
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function () {
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ve.dm.TransactionProcessor.rollback( testDocument, tx );
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},
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Error,
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'exception thrown when trying to rollback an uncommitted transaction'
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);
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ve.dm.TransactionProcessor.commit( testDocument, tx );
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assert.throws(
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function () {
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ve.dm.TransactionProcessor.commit( testDocument, tx );
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},
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Error,
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'exception thrown when trying to commit an already-committed transaction'
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);
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ve.dm.TransactionProcessor.rollback( testDocument, tx );
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assert.throws(
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function () {
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ve.dm.TransactionProcessor.rollback( testDocument, tx );
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},
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Error,
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'exception thrown when trying to roll back a transaction that has already been rolled back'
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);
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} );
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QUnit.test( 'commit/rollback', 58, function ( assert ) {
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var i, key, originalData, originalDoc, msg, testDocument, tx,
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expectedData, expectedDocument,
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bold = ve.dm.example.createAnnotation( ve.dm.example.bold ),
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italic = ve.dm.example.createAnnotation( ve.dm.example.italic ),
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underline = ve.dm.example.createAnnotation( ve.dm.example.underline ),
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cases = {
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'no operations': {
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'calls': [],
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'expected': function () {}
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},
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'retaining': {
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'calls': [['pushRetain', 38]],
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'expected': function () {}
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},
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'annotating content': {
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'calls': [
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['pushRetain', 1],
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['pushStartAnnotating', 'set', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'set', bold],
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['pushRetain', 1],
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['pushStartAnnotating', 'clear', italic],
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['pushStartAnnotating', 'set', bold],
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['pushStartAnnotating', 'set', underline],
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['pushRetain', 1],
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['pushStopAnnotating', 'clear', italic],
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['pushStopAnnotating', 'set', bold],
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['pushStopAnnotating', 'set', underline]
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],
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'expected': function ( data ) {
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data[1] = ['a', new ve.AnnotationSet( [ bold ] )];
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data[2] = ['b', new ve.AnnotationSet( [ bold ] )];
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data[3] = ['c', new ve.AnnotationSet( [ bold, underline ] )];
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}
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},
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'annotating content and leaf elements': {
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'calls': [
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['pushRetain', 38],
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['pushStartAnnotating', 'set', bold],
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['pushRetain', 2],
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['pushStopAnnotating', 'set', bold]
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],
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'expected': function ( data ) {
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data[38] = ['h', new ve.AnnotationSet( [ bold ] )];
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data[39].annotations = new ve.AnnotationSet( [ bold ] );
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}
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},
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'using an annotation method other than set or clear throws an exception': {
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'calls': [
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['pushStartAnnotating', 'invalid-method', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'invalid-method', bold]
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],
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'exception': Error
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},
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'annotating branch opening element throws an exception': {
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'calls': [
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['pushStartAnnotating', 'set', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'set', bold]
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],
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'exception': Error
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},
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'annotating branch closing element throws an exception': {
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'calls': [
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['pushRetain', 4],
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['pushStartAnnotating', 'set', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'set', bold]
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],
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'exception': Error
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},
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'setting duplicate annotations throws an exception': {
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'calls': [
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['pushRetain', 2],
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['pushStartAnnotating', 'set', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'set', bold]
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],
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'exception': Error
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},
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'removing non-existent annotations throws an exception': {
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'calls': [
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['pushRetain', 1],
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['pushStartAnnotating', 'clear', bold],
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['pushRetain', 1],
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['pushStopAnnotating', 'clear', bold]
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],
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'exception': Error
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},
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'changing, removing and adding attributes': {
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'calls': [
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['pushReplaceElementAttribute', 'level', 1, 2],
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['pushRetain', 12],
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['pushReplaceElementAttribute', 'style', 'bullet', 'number'],
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['pushReplaceElementAttribute', 'test', undefined, 'abcd'],
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['pushRetain', 27],
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['pushReplaceElementAttribute', 'html/src', 'image.png', undefined]
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],
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'expected': function ( data ) {
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data[0].attributes.level = 2;
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data[12].attributes.style = 'number';
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data[12].attributes.test = 'abcd';
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delete data[39].attributes['html/src'];
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}
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},
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'changing attributes on non-element data throws an exception': {
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'calls': [
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['pushRetain', 1],
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['pushReplaceElementAttribute', 'foo', 23, 42]
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],
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'exception': Error
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},
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'inserting text': {
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'calls': [
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['pushRetain', 1],
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['pushReplace', [], ['F', 'O', 'O']]
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],
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'expected': function ( data ) {
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data.splice( 1, 0, 'F', 'O', 'O' );
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}
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},
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'removing text': {
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'calls': [
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['pushRetain', 1],
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['pushReplace', ['a'], []]
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],
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'expected': function ( data ) {
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data.splice( 1, 1 );
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}
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},
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'replacing text': {
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'calls': [
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['pushRetain', 1],
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['pushReplace', ['a'], ['F', 'O', 'O']]
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],
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'expected': function ( data ) {
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data.splice( 1, 1, 'F', 'O', 'O' );
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}
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},
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'inserting mixed content': {
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'calls': [
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['pushRetain', 1],
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['pushReplace', ['a'], ['F', 'O', 'O', {'type':'image'}, {'type':'/image'}, 'B', 'A', 'R']]
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],
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'expected': function ( data ) {
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data.splice( 1, 1, 'F', 'O', 'O', {'type':'image'}, {'type':'/image'}, 'B', 'A', 'R' );
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}
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},
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'converting an element': {
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'calls': [
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[
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'pushReplace',
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[{ 'type': 'heading', 'attributes': { 'level': 1 } }],
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[{ 'type': 'paragraph' }]
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],
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['pushRetain', 3],
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['pushReplace', [{ 'type': '/heading' }], [{ 'type': '/paragraph' }]]
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],
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'expected': function ( data ) {
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data[0].type = 'paragraph';
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delete data[0].attributes;
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data[4].type = '/paragraph';
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}
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},
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'splitting an element': {
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'calls': [
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['pushRetain', 2],
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[
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'pushReplace',
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[],
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[{ 'type': '/heading' }, { 'type': 'heading', 'attributes': { 'level': 1 } }]
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]
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],
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'expected': function ( data ) {
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data.splice(
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2,
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0,
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{ 'type': '/heading' },
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{ 'type': 'heading', 'attributes': { 'level': 1 } }
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);
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}
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},
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'merging an element': {
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'calls': [
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['pushRetain', 57],
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[
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'pushReplace',
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[{ 'type': '/paragraph' }, { 'type': 'paragraph' }],
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[]
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]
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],
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'expected': function ( data ) {
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data.splice( 57, 2 );
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}
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},
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'stripping elements': {
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'calls': [
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['pushRetain', 3],
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[
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'pushReplace',
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[['c', [ ve.dm.example.italic ]]],
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[]
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],
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['pushRetain', 6],
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[
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'pushReplace',
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['d'],
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[]
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]
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],
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'expected': function ( data ) {
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data.splice( 10, 1 );
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data.splice( 3, 1 );
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}
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}
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};
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for ( key in cases ) {
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for ( i = 0; i < cases[key].calls.length; i++ ) {
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if ( cases[key].calls[i][0] === 'pushReplace' ) {
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ve.dm.example.preprocessAnnotations( cases[key].calls[i][1] );
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ve.dm.example.preprocessAnnotations( cases[key].calls[i][2] );
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}
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}
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}
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// Generate original document
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originalData = ve.dm.example.data;
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originalDoc = new ve.dm.Document( originalData );
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// Run tests
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for ( msg in cases ) {
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testDocument = new ve.dm.Document( ve.copyArray( originalData ) );
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tx = new ve.dm.Transaction();
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for ( i = 0; i < cases[msg].calls.length; i++ ) {
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tx[cases[msg].calls[i][0]].apply( tx, cases[msg].calls[i].slice( 1 ) );
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}
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if ( 'expected' in cases[msg] ) {
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// Generate expected document
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expectedData = ve.copyArray( originalData );
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cases[msg].expected( expectedData );
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expectedDocument = new ve.dm.Document( expectedData );
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// Commit
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ve.dm.TransactionProcessor.commit( testDocument, tx );
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assert.deepEqual( testDocument.getData(), expectedData, 'commit (data): ' + msg );
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assert.equalNodeTree(
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testDocument.getDocumentNode(),
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expectedDocument.getDocumentNode(),
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'commit (tree): ' + msg
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);
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// Rollback
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ve.dm.TransactionProcessor.rollback( testDocument, tx );
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assert.deepEqual( testDocument.getData(), ve.dm.example.data, 'rollback (data): ' + msg );
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assert.equalNodeTree(
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testDocument.getDocumentNode(),
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originalDoc.getDocumentNode(),
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'rollback (tree): ' + msg
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);
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} else if ( 'exception' in cases[msg] ) {
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/*jshint loopfunc:true */
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assert.throws(
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function () {
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ve.dm.TransactionProcessor.commit( testDocument, tx );
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},
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cases[msg].exception,
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'commit: ' + msg
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);
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}
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}
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} );
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