67 lines
2.2 KiB
TypeScript
67 lines
2.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as i18n from '@angular/compiler/src/i18n/i18n_ast';
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import {serializeNodes} from '../../../src/i18n/digest';
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import {_extractMessages} from '../i18n_parser_spec';
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export function main(): void {
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describe('i18n AST', () => {
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describe('CloneVisitor', () => {
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it('should clone an AST', () => {
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const messages = _extractMessages(
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'<div i18n="m|d">b{count, plural, =0 {{sex, select, male {m}}}}a</div>');
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const nodes = messages[0].nodes;
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const text = serializeNodes(nodes).join('');
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expect(text).toEqual(
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'b<ph icu name="ICU">{count, plural, =0 {[{sex, select, male {[m]}}]}}</ph>a');
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const visitor = new i18n.CloneVisitor();
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const cloneNodes = nodes.map(n => n.visit(visitor));
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expect(serializeNodes(nodes)).toEqual(serializeNodes(cloneNodes));
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nodes.forEach((n: i18n.Node, i: number) => {
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expect(n).toEqual(cloneNodes[i]);
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expect(n).not.toBe(cloneNodes[i]);
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});
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});
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});
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describe('RecurseVisitor', () => {
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it('should visit all nodes', () => {
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const visitor = new RecurseVisitor();
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const container = new i18n.Container(
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[
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new i18n.Text('', null),
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new i18n.Placeholder('', '', null),
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new i18n.IcuPlaceholder(null, '', null),
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],
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null);
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const tag = new i18n.TagPlaceholder('', {}, '', '', [container], false, null);
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const icu = new i18n.Icu('', '', {tag}, null);
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icu.visit(visitor);
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expect(visitor.textCount).toEqual(1);
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expect(visitor.phCount).toEqual(1);
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expect(visitor.icuPhCount).toEqual(1);
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});
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});
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});
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}
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class RecurseVisitor extends i18n.RecurseVisitor {
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textCount = 0;
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phCount = 0;
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icuPhCount = 0;
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visitText(text: i18n.Text, context?: any): any { this.textCount++; }
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visitPlaceholder(ph: i18n.Placeholder, context?: any): any { this.phCount++; }
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visitIcuPlaceholder(ph: i18n.IcuPlaceholder, context?: any): any { this.icuPhCount++; }
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}
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