108 lines
4.0 KiB
TypeScript
108 lines
4.0 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 {HtmlAttrAst, HtmlElementAst, HtmlTextAst} from '@angular/compiler/src/html_ast';
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import {HtmlParser} from '@angular/compiler/src/html_parser';
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import {ExpansionResult, expandNodes} from '@angular/compiler/src/i18n/expander';
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import {ParseError} from '@angular/compiler/src/parse_util';
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import {humanizeNodes} from '@angular/compiler/test/html_ast_spec_utils';
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import {ddescribe, describe, expect, iit, it} from '@angular/core/testing/testing_internal';
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export function main() {
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describe('Expander', () => {
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function expand(template: string): ExpansionResult {
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const htmlParser = new HtmlParser();
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const res = htmlParser.parse(template, 'url', true);
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return expandNodes(res.rootNodes);
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}
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it('should handle the plural expansion form', () => {
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const res = expand(`{messages.length, plural,=0 {zero<b>bold</b>}}`);
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expect(humanizeNodes(res.nodes)).toEqual([
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[HtmlElementAst, 'ng-container', 0],
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[HtmlAttrAst, '[ngPlural]', 'messages.length'],
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[HtmlElementAst, 'template', 1],
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[HtmlAttrAst, 'ngPluralCase', '=0'],
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[HtmlTextAst, 'zero', 2],
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[HtmlElementAst, 'b', 2],
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[HtmlTextAst, 'bold', 3],
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]);
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});
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it('should handle nested expansion forms', () => {
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const res = expand(`{messages.length, plural, =0 { {p.gender, gender, =m {m}} }}`);
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expect(humanizeNodes(res.nodes)).toEqual([
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[HtmlElementAst, 'ng-container', 0],
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[HtmlAttrAst, '[ngPlural]', 'messages.length'],
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[HtmlElementAst, 'template', 1],
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[HtmlAttrAst, 'ngPluralCase', '=0'],
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[HtmlElementAst, 'ng-container', 2],
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[HtmlAttrAst, '[ngSwitch]', 'p.gender'],
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[HtmlElementAst, 'template', 3],
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[HtmlAttrAst, 'ngSwitchCase', '=m'],
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[HtmlTextAst, 'm', 4],
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[HtmlTextAst, ' ', 2],
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]);
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});
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it('should correctly set source code positions', () => {
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const nodes = expand(`{messages.length, plural,=0 {<b>bold</b>}}`).nodes;
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const container: HtmlElementAst = <HtmlElementAst>nodes[0];
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expect(container.sourceSpan.start.col).toEqual(0);
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expect(container.sourceSpan.end.col).toEqual(42);
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expect(container.startSourceSpan.start.col).toEqual(0);
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expect(container.startSourceSpan.end.col).toEqual(42);
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expect(container.endSourceSpan.start.col).toEqual(0);
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expect(container.endSourceSpan.end.col).toEqual(42);
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const switchExp = container.attrs[0];
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expect(switchExp.sourceSpan.start.col).toEqual(1);
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expect(switchExp.sourceSpan.end.col).toEqual(16);
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const template: HtmlElementAst = <HtmlElementAst>container.children[0];
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expect(template.sourceSpan.start.col).toEqual(25);
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expect(template.sourceSpan.end.col).toEqual(41);
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const switchCheck = template.attrs[0];
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expect(switchCheck.sourceSpan.start.col).toEqual(25);
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expect(switchCheck.sourceSpan.end.col).toEqual(28);
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const b: HtmlElementAst = <HtmlElementAst>template.children[0];
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expect(b.sourceSpan.start.col).toEqual(29);
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expect(b.endSourceSpan.end.col).toEqual(40);
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});
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it('should handle other special forms', () => {
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const res = expand(`{person.gender, gender,=male {m}}`);
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expect(humanizeNodes(res.nodes)).toEqual([
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[HtmlElementAst, 'ng-container', 0],
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[HtmlAttrAst, '[ngSwitch]', 'person.gender'],
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[HtmlElementAst, 'template', 1],
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[HtmlAttrAst, 'ngSwitchCase', '=male'],
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[HtmlTextAst, 'm', 2],
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]);
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});
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describe('errors', () => {
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it('should error on unknown plural cases', () => {
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expect(humanizeErrors(expand('{n, plural, unknown {-}}').errors)).toEqual([
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`Plural cases should be "=<number>" or one of zero, one, two, few, many, other`,
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]);
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});
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});
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});
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}
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function humanizeErrors(errors: ParseError[]): string[] {
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return errors.map(error => error.msg);
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}
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