angular-docs-cn/packages/compiler/test/ml_parser/lexer_spec.ts

831 lines
30 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {getHtmlTagDefinition} from '../../src/ml_parser/html_tags';
import {InterpolationConfig} from '../../src/ml_parser/interpolation_config';
import * as lex from '../../src/ml_parser/lexer';
import {ParseLocation, ParseSourceFile, ParseSourceSpan} from '../../src/parse_util';
{
describe('HtmlLexer', () => {
describe('line/column numbers', () => {
it('should work without newlines', () => {
expect(tokenizeAndHumanizeLineColumn('<t>a</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '0:3'],
[lex.TokenType.TAG_CLOSE, '0:4'],
[lex.TokenType.EOF, '0:8'],
]);
});
it('should work with one newline', () => {
expect(tokenizeAndHumanizeLineColumn('<t>\na</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '0:2'],
[lex.TokenType.TEXT, '0:3'],
[lex.TokenType.TAG_CLOSE, '1:1'],
[lex.TokenType.EOF, '1:5'],
]);
});
it('should work with multiple newlines', () => {
expect(tokenizeAndHumanizeLineColumn('<t\n>\na</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '1:0'],
[lex.TokenType.TEXT, '1:1'],
[lex.TokenType.TAG_CLOSE, '2:1'],
[lex.TokenType.EOF, '2:5'],
]);
});
it('should work with CR and LF', () => {
expect(tokenizeAndHumanizeLineColumn('<t\n>\r\na\r</t>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '0:0'],
[lex.TokenType.TAG_OPEN_END, '1:0'],
[lex.TokenType.TEXT, '1:1'],
[lex.TokenType.TAG_CLOSE, '2:1'],
[lex.TokenType.EOF, '2:5'],
]);
});
});
describe('comments', () => {
it('should parse comments', () => {
expect(tokenizeAndHumanizeParts('<!--t\ne\rs\r\nt-->')).toEqual([
[lex.TokenType.COMMENT_START],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.COMMENT_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<!--t\ne\rs\r\nt-->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, 't\ne\rs\r\nt'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
it('should report <!- without -', () => {
expect(tokenizeAndHumanizeErrors('<!-a')).toEqual([
[lex.TokenType.COMMENT_START, 'Unexpected character "a"', '0:3']
]);
});
it('should report missing end comment', () => {
expect(tokenizeAndHumanizeErrors('<!--')).toEqual([
[lex.TokenType.RAW_TEXT, 'Unexpected character "EOF"', '0:4']
]);
});
it('should accept comments finishing by too many dashes (even number)', () => {
expect(tokenizeAndHumanizeSourceSpans('<!-- test ---->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, ' test --'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
it('should accept comments finishing by too many dashes (odd number)', () => {
expect(tokenizeAndHumanizeSourceSpans('<!-- test --->')).toEqual([
[lex.TokenType.COMMENT_START, '<!--'],
[lex.TokenType.RAW_TEXT, ' test -'],
[lex.TokenType.COMMENT_END, '-->'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('doctype', () => {
it('should parse doctypes', () => {
expect(tokenizeAndHumanizeParts('<!doctype html>')).toEqual([
[lex.TokenType.DOC_TYPE, 'doctype html'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<!doctype html>')).toEqual([
[lex.TokenType.DOC_TYPE, '<!doctype html>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report missing end doctype', () => {
expect(tokenizeAndHumanizeErrors('<!')).toEqual([
[lex.TokenType.DOC_TYPE, 'Unexpected character "EOF"', '0:2']
]);
});
});
describe('CDATA', () => {
it('should parse CDATA', () => {
expect(tokenizeAndHumanizeParts('<![CDATA[t\ne\rs\r\nt]]>')).toEqual([
[lex.TokenType.CDATA_START],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.CDATA_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<![CDATA[t\ne\rs\r\nt]]>')).toEqual([
[lex.TokenType.CDATA_START, '<![CDATA['],
[lex.TokenType.RAW_TEXT, 't\ne\rs\r\nt'],
[lex.TokenType.CDATA_END, ']]>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report <![ without CDATA[', () => {
expect(tokenizeAndHumanizeErrors('<![a')).toEqual([
[lex.TokenType.CDATA_START, 'Unexpected character "a"', '0:3']
]);
});
it('should report missing end cdata', () => {
expect(tokenizeAndHumanizeErrors('<![CDATA[')).toEqual([
[lex.TokenType.RAW_TEXT, 'Unexpected character "EOF"', '0:9']
]);
});
});
describe('open tags', () => {
it('should parse open tags without prefix', () => {
expect(tokenizeAndHumanizeParts('<test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse namespace prefix', () => {
expect(tokenizeAndHumanizeParts('<ns1:test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, 'ns1', 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse void tags', () => {
expect(tokenizeAndHumanizeParts('<test/>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'test'],
[lex.TokenType.TAG_OPEN_END_VOID],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace after the tag name', () => {
expect(tokenizeAndHumanizeParts('<test >')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'test'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<test>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<test'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('attributes', () => {
it('should parse attributes without prefix', () => {
expect(tokenizeAndHumanizeParts('<t a>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with interpolation', () => {
expect(tokenizeAndHumanizeParts('<t a="{{v}}" b="s{{m}}e" c="s{{m//c}}e">')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, '{{v}}'],
[lex.TokenType.ATTR_NAME, null, 'b'],
[lex.TokenType.ATTR_VALUE, 's{{m}}e'],
[lex.TokenType.ATTR_NAME, null, 'c'],
[lex.TokenType.ATTR_VALUE, 's{{m//c}}e'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with prefix', () => {
expect(tokenizeAndHumanizeParts('<t ns1:a>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, 'ns1', 'a'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes whose prefix is not valid', () => {
expect(tokenizeAndHumanizeParts('<t (ns1:a)>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, '(ns1:a)'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with single quote value', () => {
expect(tokenizeAndHumanizeParts('<t a=\'b\'>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with double quote value', () => {
expect(tokenizeAndHumanizeParts('<t a="b">')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with unquoted value', () => {
expect(tokenizeAndHumanizeParts('<t a=b>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace', () => {
expect(tokenizeAndHumanizeParts('<t a = b >')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with entities in values', () => {
expect(tokenizeAndHumanizeParts('<t a="&#65;&#x41;">')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'AA'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should not decode entities without trailing ";"', () => {
expect(tokenizeAndHumanizeParts('<t a="&amp" b="c&&d">')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, '&amp'],
[lex.TokenType.ATTR_NAME, null, 'b'],
[lex.TokenType.ATTR_VALUE, 'c&&d'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse attributes with "&" in values', () => {
expect(tokenizeAndHumanizeParts('<t a="b && c &">')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 'b && c &'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should parse values with CR and LF', () => {
expect(tokenizeAndHumanizeParts('<t a=\'t\ne\rs\r\nt\'>')).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 't'],
[lex.TokenType.ATTR_NAME, null, 'a'],
[lex.TokenType.ATTR_VALUE, 't\ne\ns\nt'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('<t a=b>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<t'],
[lex.TokenType.ATTR_NAME, 'a'],
[lex.TokenType.ATTR_VALUE, 'b'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('closing tags', () => {
it('should parse closing tags without prefix', () => {
expect(tokenizeAndHumanizeParts('</test>')).toEqual([
[lex.TokenType.TAG_CLOSE, null, 'test'],
[lex.TokenType.EOF],
]);
});
it('should parse closing tags with prefix', () => {
expect(tokenizeAndHumanizeParts('</ns1:test>')).toEqual([
[lex.TokenType.TAG_CLOSE, 'ns1', 'test'],
[lex.TokenType.EOF],
]);
});
it('should allow whitespace', () => {
expect(tokenizeAndHumanizeParts('</ test >')).toEqual([
[lex.TokenType.TAG_CLOSE, null, 'test'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('</test>')).toEqual([
[lex.TokenType.TAG_CLOSE, '</test>'],
[lex.TokenType.EOF, ''],
]);
});
it('should report missing name after </', () => {
expect(tokenizeAndHumanizeErrors('</')).toEqual([
[lex.TokenType.TAG_CLOSE, 'Unexpected character "EOF"', '0:2']
]);
});
it('should report missing >', () => {
expect(tokenizeAndHumanizeErrors('</test')).toEqual([
[lex.TokenType.TAG_CLOSE, 'Unexpected character "EOF"', '0:6']
]);
});
});
describe('entities', () => {
it('should parse named entities', () => {
expect(tokenizeAndHumanizeParts('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&b'],
[lex.TokenType.EOF],
]);
});
it('should parse hexadecimal entities', () => {
expect(tokenizeAndHumanizeParts('&#x41;&#X41;')).toEqual([
[lex.TokenType.TEXT, 'AA'],
[lex.TokenType.EOF],
]);
});
it('should parse decimal entities', () => {
expect(tokenizeAndHumanizeParts('&#65;')).toEqual([
[lex.TokenType.TEXT, 'A'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&amp;b'],
[lex.TokenType.EOF, ''],
]);
});
it('should report malformed/unknown entities', () => {
expect(tokenizeAndHumanizeErrors('&tbo;')).toEqual([[
lex.TokenType.TEXT,
'Unknown entity "tbo" - use the "&#<decimal>;" or "&#x<hex>;" syntax', '0:0'
]]);
expect(tokenizeAndHumanizeErrors('&#asdf;')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "s"', '0:3']
]);
expect(tokenizeAndHumanizeErrors('&#xasdf;')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "s"', '0:4']
]);
expect(tokenizeAndHumanizeErrors('&#xABC')).toEqual([
[lex.TokenType.TEXT, 'Unexpected character "EOF"', '0:6']
]);
});
});
describe('regular text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts('a')).toEqual([
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.EOF],
]);
});
it('should parse interpolation', () => {
expect(tokenizeAndHumanizeParts('{{ a }}b{{ c // comment }}')).toEqual([
[lex.TokenType.TEXT, '{{ a }}b{{ c // comment }}'],
[lex.TokenType.EOF],
]);
});
it('should parse interpolation with custom markers', () => {
expect(tokenizeAndHumanizeParts('{% a %}', null !, {start: '{%', end: '%}'})).toEqual([
[lex.TokenType.TEXT, '{% a %}'],
[lex.TokenType.EOF],
]);
});
it('should handle CR & LF', () => {
expect(tokenizeAndHumanizeParts('t\ne\rs\r\nt')).toEqual([
[lex.TokenType.TEXT, 't\ne\ns\nt'],
[lex.TokenType.EOF],
]);
});
it('should parse entities', () => {
expect(tokenizeAndHumanizeParts('a&amp;b')).toEqual([
[lex.TokenType.TEXT, 'a&b'],
[lex.TokenType.EOF],
]);
});
it('should parse text starting with "&"', () => {
expect(tokenizeAndHumanizeParts('a && b &')).toEqual([
[lex.TokenType.TEXT, 'a && b &'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans('a')).toEqual([
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.EOF, ''],
]);
});
it('should allow "<" in text nodes', () => {
expect(tokenizeAndHumanizeParts('{{ a < b ? c : d }}')).toEqual([
[lex.TokenType.TEXT, '{{ a < b ? c : d }}'],
[lex.TokenType.EOF],
]);
expect(tokenizeAndHumanizeSourceSpans('<p>a<b</p>')).toEqual([
[lex.TokenType.TAG_OPEN_START, '<p'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'a<b'],
[lex.TokenType.TAG_CLOSE, '</p>'],
[lex.TokenType.EOF, ''],
]);
expect(tokenizeAndHumanizeParts('< a>')).toEqual([
[lex.TokenType.TEXT, '< a>'],
[lex.TokenType.EOF],
]);
});
it('should parse valid start tag in interpolation', () => {
expect(tokenizeAndHumanizeParts('{{ a <b && c > d }}')).toEqual([
[lex.TokenType.TEXT, '{{ a '],
[lex.TokenType.TAG_OPEN_START, null, 'b'],
[lex.TokenType.ATTR_NAME, null, '&&'],
[lex.TokenType.ATTR_NAME, null, 'c'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, ' d }}'],
[lex.TokenType.EOF],
]);
});
it('should be able to escape {', () => {
expect(tokenizeAndHumanizeParts('{{ "{" }}')).toEqual([
[lex.TokenType.TEXT, '{{ "{" }}'],
[lex.TokenType.EOF],
]);
});
it('should be able to escape {{', () => {
expect(tokenizeAndHumanizeParts('{{ "{{" }}')).toEqual([
[lex.TokenType.TEXT, '{{ "{{" }}'],
[lex.TokenType.EOF],
]);
});
it('should treat expansion form as text when they are not parsed', () => {
expect(tokenizeAndHumanizeParts('<span>{a, b, =4 {c}}</span>', false)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'span'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, '{a, b, =4 {c}}'],
[lex.TokenType.TAG_CLOSE, null, 'span'],
[lex.TokenType.EOF],
]);
});
});
describe('raw text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts(`<script>t\ne\rs\r\nt</script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.TAG_CLOSE, null, 'script'],
[lex.TokenType.EOF],
]);
});
it('should not detect entities', () => {
expect(tokenizeAndHumanizeParts(`<script>&amp;</SCRIPT>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, '&amp;'],
[lex.TokenType.TAG_CLOSE, null, 'script'],
[lex.TokenType.EOF],
]);
});
it('should ignore other opening tags', () => {
expect(tokenizeAndHumanizeParts(`<script>a<div></script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 'a<div>'],
[lex.TokenType.TAG_CLOSE, null, 'script'],
[lex.TokenType.EOF],
]);
});
it('should ignore other closing tags', () => {
expect(tokenizeAndHumanizeParts(`<script>a</test></script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'script'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.RAW_TEXT, 'a</test>'],
[lex.TokenType.TAG_CLOSE, null, 'script'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans(`<script>a</script>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<script'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.RAW_TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, '</script>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('escapable raw text', () => {
it('should parse text', () => {
expect(tokenizeAndHumanizeParts(`<title>t\ne\rs\r\nt</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 't\ne\ns\nt'],
[lex.TokenType.TAG_CLOSE, null, 'title'],
[lex.TokenType.EOF],
]);
});
it('should detect entities', () => {
expect(tokenizeAndHumanizeParts(`<title>&amp;</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, '&'],
[lex.TokenType.TAG_CLOSE, null, 'title'],
[lex.TokenType.EOF],
]);
});
it('should ignore other opening tags', () => {
expect(tokenizeAndHumanizeParts(`<title>a<div></title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a<div>'],
[lex.TokenType.TAG_CLOSE, null, 'title'],
[lex.TokenType.EOF],
]);
});
it('should ignore other closing tags', () => {
expect(tokenizeAndHumanizeParts(`<title>a</test></title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'title'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a</test>'],
[lex.TokenType.TAG_CLOSE, null, 'title'],
[lex.TokenType.EOF],
]);
});
it('should store the locations', () => {
expect(tokenizeAndHumanizeSourceSpans(`<title>a</title>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<title'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.ESCAPABLE_RAW_TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, '</title>'],
[lex.TokenType.EOF, ''],
]);
});
});
describe('expansion forms', () => {
it('should parse an expansion form', () => {
expect(tokenizeAndHumanizeParts('{one.two, three, =4 {four} =5 {five} foo {bar} }', true))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_CASE_VALUE, '=5'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'five'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_CASE_VALUE, 'foo'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'bar'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion form with text elements surrounding it', () => {
expect(tokenizeAndHumanizeParts('before{one.two, three, =4 {four}}after', true)).toEqual([
[lex.TokenType.TEXT, 'before'],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TEXT, 'after'],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion form as a tag single child', () => {
expect(tokenizeAndHumanizeParts('<div><span>{a, b, =4 {c}}</span></div>', true)).toEqual([
[lex.TokenType.TAG_OPEN_START, null, 'div'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TAG_OPEN_START, null, 'span'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'a'],
[lex.TokenType.RAW_TEXT, 'b'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'c'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TAG_CLOSE, null, 'span'],
[lex.TokenType.TAG_CLOSE, null, 'div'],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion forms with elements in it', () => {
expect(tokenizeAndHumanizeParts('{one.two, three, =4 {four <b>a</b>}}', true)).toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four '],
[lex.TokenType.TAG_OPEN_START, null, 'b'],
[lex.TokenType.TAG_OPEN_END],
[lex.TokenType.TEXT, 'a'],
[lex.TokenType.TAG_CLOSE, null, 'b'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse an expansion forms containing an interpolation', () => {
expect(tokenizeAndHumanizeParts('{one.two, three, =4 {four {{a}}}}', true)).toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'four {{a}}'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
it('should parse nested expansion forms', () => {
expect(tokenizeAndHumanizeParts(`{one.two, three, =4 { {xx, yy, =x {one}} }}`, true))
.toEqual([
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'one.two'],
[lex.TokenType.RAW_TEXT, 'three'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=4'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.EXPANSION_FORM_START],
[lex.TokenType.RAW_TEXT, 'xx'],
[lex.TokenType.RAW_TEXT, 'yy'],
[lex.TokenType.EXPANSION_CASE_VALUE, '=x'],
[lex.TokenType.EXPANSION_CASE_EXP_START],
[lex.TokenType.TEXT, 'one'],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.TEXT, ' '],
[lex.TokenType.EXPANSION_CASE_EXP_END],
[lex.TokenType.EXPANSION_FORM_END],
[lex.TokenType.EOF],
]);
});
});
describe('errors', () => {
it('should report unescaped "{" on error', () => {
expect(tokenizeAndHumanizeErrors(`<p>before { after</p>`, true)).toEqual([[
lex.TokenType.RAW_TEXT,
`Unexpected character "EOF" (Do you have an unescaped "{" in your template? Use "{{ '{' }}") to escape it.)`,
'0:21',
]]);
});
it('should include 2 lines of context in message', () => {
const src = '111\n222\n333\nE\n444\n555\n666\n';
const file = new ParseSourceFile(src, 'file://');
const location = new ParseLocation(file, 12, 123, 456);
const span = new ParseSourceSpan(location, location);
const error = new lex.TokenError('**ERROR**', null !, span);
expect(error.toString())
.toEqual(`**ERROR** ("\n222\n333\n[ERROR ->]E\n444\n555\n"): file://@123:456`);
});
});
describe('unicode characters', () => {
it('should support unicode characters', () => {
expect(tokenizeAndHumanizeSourceSpans(`<p>İ</p>`)).toEqual([
[lex.TokenType.TAG_OPEN_START, '<p'],
[lex.TokenType.TAG_OPEN_END, '>'],
[lex.TokenType.TEXT, 'İ'],
[lex.TokenType.TAG_CLOSE, '</p>'],
[lex.TokenType.EOF, ''],
]);
});
});
});
}
function tokenizeWithoutErrors(
input: string, tokenizeExpansionForms: boolean = false,
interpolationConfig?: InterpolationConfig): lex.Token[] {
const tokenizeResult = lex.tokenize(
input, 'someUrl', getHtmlTagDefinition, tokenizeExpansionForms, interpolationConfig);
if (tokenizeResult.errors.length > 0) {
const errorString = tokenizeResult.errors.join('\n');
throw new Error(`Unexpected parse errors:\n${errorString}`);
}
return tokenizeResult.tokens;
}
function tokenizeAndHumanizeParts(
input: string, tokenizeExpansionForms: boolean = false,
interpolationConfig?: InterpolationConfig): any[] {
return tokenizeWithoutErrors(input, tokenizeExpansionForms, interpolationConfig)
.map(token => [<any>token.type].concat(token.parts));
}
function tokenizeAndHumanizeSourceSpans(input: string): any[] {
return tokenizeWithoutErrors(input).map(token => [<any>token.type, token.sourceSpan.toString()]);
}
function humanizeLineColumn(location: ParseLocation): string {
return `${location.line}:${location.col}`;
}
function tokenizeAndHumanizeLineColumn(input: string): any[] {
return tokenizeWithoutErrors(input).map(
token => [<any>token.type, humanizeLineColumn(token.sourceSpan.start)]);
}
function tokenizeAndHumanizeErrors(input: string, tokenizeExpansionForms: boolean = false): any[] {
return lex.tokenize(input, 'someUrl', getHtmlTagDefinition, tokenizeExpansionForms)
.errors.map(e => [<any>e.tokenType, e.msg, humanizeLineColumn(e.span.start)]);
}