angular-cn/modules/@angular/compiler/test/css_parser_spec.ts

803 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 {afterEach, beforeEach, ddescribe, describe, expect, iit, it, xit} from '../../core/testing/testing_internal';
import {CssBlockAst, CssBlockDefinitionRuleAst, CssBlockRuleAst, CssDefinitionAst, CssInlineRuleAst, CssKeyframeDefinitionAst, CssKeyframeRuleAst, CssMediaQueryRuleAst, CssRuleAst, CssSelectorAst, CssSelectorRuleAst, CssStyleSheetAst, CssStyleValueAst} from '../src/css_ast';
import {BlockType, CssParseError, CssParser, CssToken, ParsedCssResult} from '../src/css_parser';
import {BaseException} from '../src/facade/exceptions';
import {ParseLocation} from '../src/parse_util';
export function assertTokens(tokens: CssToken[], valuesArr: string[]) {
for (var i = 0; i < tokens.length; i++) {
expect(tokens[i].strValue == valuesArr[i]);
}
}
export function main() {
describe('CssParser', () => {
function parse(css: string): ParsedCssResult {
return new CssParser().parse(css, 'some-fake-css-file.css');
}
function makeAst(css: string): CssStyleSheetAst {
var output = parse(css);
var errors = output.errors;
if (errors.length > 0) {
throw new BaseException(errors.map((error: CssParseError) => error.msg).join(', '));
}
return output.ast;
}
it('should parse CSS into a stylesheet Ast', () => {
var styles = '.selector { prop: value123; }';
var ast = makeAst(styles);
expect(ast.rules.length).toEqual(1);
var rule = <CssSelectorRuleAst>ast.rules[0];
var selector = rule.selectors[0];
expect(selector.strValue).toEqual('.selector');
var block: CssBlockAst = rule.block;
expect(block.entries.length).toEqual(1);
var definition = <CssDefinitionAst>block.entries[0];
expect(definition.property.strValue).toEqual('prop');
var value = <CssStyleValueAst>definition.value;
expect(value.tokens[0].strValue).toEqual('value123');
});
it('should parse multiple CSS selectors sharing the same set of styles', () => {
var styles = `
.class, #id, tag, [attr], key + value, * value, :-moz-any-link {
prop: value123;
}
`;
var ast = makeAst(styles);
expect(ast.rules.length).toEqual(1);
var rule = <CssSelectorRuleAst>ast.rules[0];
expect(rule.selectors.length).toBe(7);
var classRule = rule.selectors[0];
var idRule = rule.selectors[1];
var tagRule = rule.selectors[2];
var attrRule = rule.selectors[3];
var plusOpRule = rule.selectors[4];
var starOpRule = rule.selectors[5];
var mozRule = rule.selectors[6];
assertTokens(classRule.selectorParts[0].tokens, ['.', 'class']);
assertTokens(idRule.selectorParts[0].tokens, ['.', 'class']);
assertTokens(attrRule.selectorParts[0].tokens, ['[', 'attr', ']']);
assertTokens(plusOpRule.selectorParts[0].tokens, ['key']);
expect(plusOpRule.selectorParts[0].operator.strValue).toEqual('+');
assertTokens(plusOpRule.selectorParts[1].tokens, ['value']);
assertTokens(starOpRule.selectorParts[0].tokens, ['*']);
assertTokens(starOpRule.selectorParts[1].tokens, ['value']);
assertTokens(mozRule.selectorParts[0].pseudoSelectors[0].tokens, [':', '-moz-any-link']);
var style1 = <CssDefinitionAst>rule.block.entries[0];
expect(style1.property.strValue).toEqual('prop');
assertTokens(style1.value.tokens, ['value123']);
});
it('should parse keyframe rules', () => {
var styles = `
@keyframes rotateMe {
from {
transform: rotate(-360deg);
}
50% {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
`;
var ast = makeAst(styles);
expect(ast.rules.length).toEqual(1);
var rule = <CssKeyframeRuleAst>ast.rules[0];
expect(rule.name.strValue).toEqual('rotateMe');
var block = <CssBlockAst>rule.block;
var fromRule = <CssKeyframeDefinitionAst>block.entries[0];
expect(fromRule.name.strValue).toEqual('from');
var fromStyle = <CssDefinitionAst>(<CssBlockAst>fromRule.block).entries[0];
expect(fromStyle.property.strValue).toEqual('transform');
assertTokens(fromStyle.value.tokens, ['rotate', '(', '-360', 'deg', ')']);
var midRule = <CssKeyframeDefinitionAst>block.entries[1];
expect(midRule.name.strValue).toEqual('50%');
var midStyle = <CssDefinitionAst>(<CssBlockAst>midRule.block).entries[0];
expect(midStyle.property.strValue).toEqual('transform');
assertTokens(midStyle.value.tokens, ['rotate', '(', '0', 'deg', ')']);
var toRule = <CssKeyframeDefinitionAst>block.entries[2];
expect(toRule.name.strValue).toEqual('to');
var toStyle = <CssDefinitionAst>(<CssBlockAst>toRule.block).entries[0];
expect(toStyle.property.strValue).toEqual('transform');
assertTokens(toStyle.value.tokens, ['rotate', '(', '360', 'deg', ')']);
});
it('should parse media queries into a stylesheet Ast', () => {
var styles = `
@media all and (max-width:100px) {
.selector {
prop: value123;
}
}
`;
var ast = makeAst(styles);
expect(ast.rules.length).toEqual(1);
var rule = <CssMediaQueryRuleAst>ast.rules[0];
assertTokens(rule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
var block = <CssBlockAst>rule.block;
expect(block.entries.length).toEqual(1);
var rule2 = <CssSelectorRuleAst>block.entries[0];
expect(rule2.selectors[0].strValue).toEqual('.selector');
var block2 = <CssBlockAst>rule2.block;
expect(block2.entries.length).toEqual(1);
});
it('should parse inline CSS values', () => {
var styles = `
@import url('remote.css');
@charset "UTF-8";
@namespace ng url(http://angular.io/namespace/ng);
`;
var ast = makeAst(styles);
var importRule = <CssInlineRuleAst>ast.rules[0];
expect(importRule.type).toEqual(BlockType.Import);
assertTokens(importRule.value.tokens, ['url', '(', 'remote', '.', 'css', ')']);
var charsetRule = <CssInlineRuleAst>ast.rules[1];
expect(charsetRule.type).toEqual(BlockType.Charset);
assertTokens(charsetRule.value.tokens, ['UTF-8']);
var namespaceRule = <CssInlineRuleAst>ast.rules[2];
expect(namespaceRule.type).toEqual(BlockType.Namespace);
assertTokens(
namespaceRule.value.tokens, ['ng', 'url', '(', 'http://angular.io/namespace/ng', ')']);
});
it('should parse CSS values that contain functions and leave the inner function data untokenized',
() => {
var styles = `
.class {
background: url(matias.css);
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
height: calc(100% - 50px);
background-image: linear-gradient( 45deg, rgba(100, 0, 0, 0.5), black );
}
`;
var ast = makeAst(styles);
expect(ast.rules.length).toEqual(1);
var defs = (<CssSelectorRuleAst>ast.rules[0]).block.entries;
expect(defs.length).toEqual(4);
assertTokens((<CssDefinitionAst>defs[0]).value.tokens, ['url', '(', 'matias.css', ')']);
assertTokens(
(<CssDefinitionAst>defs[1]).value.tokens,
['cubic-bezier', '(', '0.755, 0.050, 0.855, 0.060', ')']);
assertTokens((<CssDefinitionAst>defs[2]).value.tokens, ['calc', '(', '100% - 50px', ')']);
assertTokens(
(<CssDefinitionAst>defs[3]).value.tokens,
['linear-gradient', '(', '45deg, rgba(100, 0, 0, 0.5), black', ')']);
});
it('should parse un-named block-level CSS values', () => {
var styles = `
@font-face {
font-family: "Matias";
font-weight: bold;
src: url(font-face.ttf);
}
@viewport {
max-width: 100px;
min-height: 1000px;
}
`;
var ast = makeAst(styles);
var fontFaceRule = <CssBlockRuleAst>ast.rules[0];
expect(fontFaceRule.type).toEqual(BlockType.FontFace);
expect(fontFaceRule.block.entries.length).toEqual(3);
var viewportRule = <CssBlockRuleAst>ast.rules[1];
expect(viewportRule.type).toEqual(BlockType.Viewport);
expect(viewportRule.block.entries.length).toEqual(2);
});
it('should parse multiple levels of semicolons', () => {
var styles = `
;;;
@import url('something something')
;;;;;;;;
;;;;;;;;
;@font-face {
;src : url(font-face.ttf);;;;;;;;
;;;-webkit-animation:my-animation
};;;
@media all and (max-width:100px)
{;
.selector {prop: value123;};
;.selector2{prop:1}}
`;
var ast = makeAst(styles);
var importRule = <CssInlineRuleAst>ast.rules[0];
expect(importRule.type).toEqual(BlockType.Import);
assertTokens(importRule.value.tokens, ['url', '(', 'something something', ')']);
var fontFaceRule = <CssBlockRuleAst>ast.rules[1];
expect(fontFaceRule.type).toEqual(BlockType.FontFace);
expect(fontFaceRule.block.entries.length).toEqual(2);
var mediaQueryRule = <CssMediaQueryRuleAst>ast.rules[2];
assertTokens(
mediaQueryRule.query.tokens, ['all', 'and', '(', 'max-width', ':', '100', 'px', ')']);
expect(mediaQueryRule.block.entries.length).toEqual(2);
});
it('should throw an error if an unknown @value block rule is parsed', () => {
var styles = `
@matias { hello: there; }
`;
expect(() => {
makeAst(styles);
}).toThrowError(/^CSS Parse Error: The CSS "at" rule "@matias" is not allowed to used here/g);
});
it('should parse empty rules', () => {
var styles = `
.empty-rule { }
.somewhat-empty-rule { /* property: value; */ }
.non-empty-rule { property: value; }
`;
var ast = makeAst(styles);
var rules = ast.rules;
expect((<CssSelectorRuleAst>rules[0]).block.entries.length).toEqual(0);
expect((<CssSelectorRuleAst>rules[1]).block.entries.length).toEqual(0);
expect((<CssSelectorRuleAst>rules[2]).block.entries.length).toEqual(1);
});
it('should parse the @document rule', () => {
var styles = `
@document url(http://www.w3.org/),
url-prefix(http://www.w3.org/Style/),
domain(mozilla.org),
regexp("https:.*")
{
/* CSS rules here apply to:
- The page "http://www.w3.org/".
- Any page whose URL begins with "http://www.w3.org/Style/"
- Any page whose URL's host is "mozilla.org" or ends with
".mozilla.org"
- Any page whose URL starts with "https:" */
/* make the above-mentioned pages really ugly */
body {
color: purple;
background: yellow;
}
}
`;
var ast = makeAst(styles);
var rules = ast.rules;
var documentRule = <CssBlockDefinitionRuleAst>rules[0];
expect(documentRule.type).toEqual(BlockType.Document);
var rule = <CssSelectorRuleAst>documentRule.block.entries[0];
expect(rule.strValue).toEqual('body');
});
it('should parse the @page rule', () => {
var styles = `
@page one {
.selector { prop: value; }
}
@page two {
.selector2 { prop: value2; }
}
`;
var ast = makeAst(styles);
var rules = ast.rules;
var pageRule1 = <CssBlockDefinitionRuleAst>rules[0];
expect(pageRule1.query.strValue).toEqual('@page one');
expect(pageRule1.query.tokens[0].strValue).toEqual('one');
expect(pageRule1.type).toEqual(BlockType.Page);
var pageRule2 = <CssBlockDefinitionRuleAst>rules[1];
expect(pageRule2.query.strValue).toEqual('@page two');
expect(pageRule2.query.tokens[0].strValue).toEqual('two');
expect(pageRule2.type).toEqual(BlockType.Page);
var selectorOne = <CssSelectorRuleAst>pageRule1.block.entries[0];
expect(selectorOne.strValue).toEqual('.selector');
var selectorTwo = <CssSelectorRuleAst>pageRule2.block.entries[0];
expect(selectorTwo.strValue).toEqual('.selector2');
});
it('should parse the @supports rule', () => {
var styles = `
@supports (animation-name: "rotate") {
a:hover { animation: rotate 1s; }
}
`;
var ast = makeAst(styles);
var rules = ast.rules;
var supportsRule = <CssBlockDefinitionRuleAst>rules[0];
assertTokens(supportsRule.query.tokens, ['(', 'animation-name', ':', 'rotate', ')']);
expect(supportsRule.type).toEqual(BlockType.Supports);
var selectorOne = <CssSelectorRuleAst>supportsRule.block.entries[0];
expect(selectorOne.strValue).toEqual('a:hover');
});
it('should collect multiple errors during parsing', () => {
var styles = `
.class$value { something: something }
@custom { something: something }
#id { cool^: value }
`;
var output = parse(styles);
expect(output.errors.length).toEqual(3);
});
it('should recover from selector errors and continue parsing', () => {
var styles = `
tag& { key: value; }
.%tag { key: value; }
#tag$ { key: value; }
`;
var output = parse(styles);
var errors = output.errors;
var ast = output.ast;
expect(errors.length).toEqual(3);
expect(ast.rules.length).toEqual(3);
var rule1 = <CssSelectorRuleAst>ast.rules[0];
expect(rule1.selectors[0].strValue).toEqual('tag&');
expect(rule1.block.entries.length).toEqual(1);
var rule2 = <CssSelectorRuleAst>ast.rules[1];
expect(rule2.selectors[0].strValue).toEqual('.%tag');
expect(rule2.block.entries.length).toEqual(1);
var rule3 = <CssSelectorRuleAst>ast.rules[2];
expect(rule3.selectors[0].strValue).toEqual('#tag$');
expect(rule3.block.entries.length).toEqual(1);
});
it('should throw an error when parsing invalid CSS Selectors', () => {
var styles = '.class[[prop%=value}] { style: val; }';
var output = parse(styles);
var errors = output.errors;
expect(errors.length).toEqual(3);
expect(errors[0].msg).toMatch(/Unexpected character \[\[\] at column 0:7/g);
expect(errors[1].msg).toMatch(/Unexpected character \[%\] at column 0:12/g);
expect(errors[2].msg).toMatch(/Unexpected character \[}\] at column 0:19/g);
});
it('should throw an error if an attribute selector is not closed properly', () => {
var styles = '.class[prop=value { style: val; }';
var output = parse(styles);
var errors = output.errors;
expect(errors[0].msg).toMatch(/Unbalanced CSS attribute selector at column 0:12/g);
});
it('should throw an error if a pseudo function selector is not closed properly', () => {
var styles = 'body:lang(en { key:value; }';
var output = parse(styles);
var errors = output.errors;
expect(errors[0].msg)
.toMatch(/Character does not match expected Character value \("{" should match "\)"\)/);
});
it('should raise an error when a semi colon is missing from a CSS style/pair that isn\'t the last entry',
() => {
var styles = `.class {
color: red
background: blue
}`;
var output = parse(styles);
var errors = output.errors;
expect(errors.length).toEqual(1);
expect(errors[0].msg)
.toMatch(/The CSS key\/value definition did not end with a semicolon at column 1:15/g);
});
it('should parse the inner value of a :not() pseudo-selector as a CSS selector', () => {
var styles = `div:not(.ignore-this-div) {
prop: value;
}`;
var output = parse(styles);
var errors = output.errors;
var ast = output.ast;
expect(errors.length).toEqual(0);
var rule1 = <CssSelectorRuleAst>ast.rules[0];
expect(rule1.selectors.length).toEqual(1);
var simpleSelector = rule1.selectors[0].selectorParts[0];
assertTokens(simpleSelector.tokens, ['div']);
var pseudoSelector = simpleSelector.pseudoSelectors[0];
expect(pseudoSelector.name).toEqual('not');
assertTokens(pseudoSelector.tokens, ['.', 'ignore-this-div']);
});
it('should parse the inner selectors of a :host-context selector', () => {
var styles = `body > :host-context(.a, .b, .c:hover) {
prop: value;
}`;
var output = parse(styles);
var errors = output.errors;
var ast = output.ast;
expect(errors.length).toEqual(0);
var rule1 = <CssSelectorRuleAst>ast.rules[0];
expect(rule1.selectors.length).toEqual(1);
var simpleSelector = rule1.selectors[0].selectorParts[1];
var innerSelectors = simpleSelector.pseudoSelectors[0].innerSelectors;
assertTokens(innerSelectors[0].selectorParts[0].tokens, ['.', 'a']);
assertTokens(innerSelectors[1].selectorParts[0].tokens, ['.', 'b']);
var finalSelector = innerSelectors[2].selectorParts[0];
assertTokens(finalSelector.tokens, ['.', 'c', ':', 'hover']);
assertTokens(finalSelector.pseudoSelectors[0].tokens, [':', 'hover']);
});
it('should raise parse errors when CSS key/value pairs are invalid', () => {
var styles = `.class {
background color: value;
color: value
font-size;
font-weight
}`;
var output = parse(styles);
var errors = output.errors;
expect(errors.length).toEqual(4);
expect(errors[0].msg)
.toMatch(
/Identifier does not match expected Character value \("color" should match ":"\) at column 1:19/g);
expect(errors[1].msg)
.toMatch(/The CSS key\/value definition did not end with a semicolon at column 2:15/g);
expect(errors[2].msg)
.toMatch(/The CSS property was not paired with a style value at column 3:8/g);
expect(errors[3].msg)
.toMatch(/The CSS property was not paired with a style value at column 4:8/g);
});
it('should recover from CSS key/value parse errors', () => {
var styles = `
.problem-class { background color: red; color: white; }
.good-boy-class { background-color: red; color: white; }
`;
var output = parse(styles);
var ast = output.ast;
expect(ast.rules.length).toEqual(2);
var rule1 = <CssSelectorRuleAst>ast.rules[0];
expect(rule1.block.entries.length).toEqual(2);
var style1 = <CssDefinitionAst>rule1.block.entries[0];
expect(style1.property.strValue).toEqual('background color');
assertTokens(style1.value.tokens, ['red']);
var style2 = <CssDefinitionAst>rule1.block.entries[1];
expect(style2.property.strValue).toEqual('color');
assertTokens(style2.value.tokens, ['white']);
});
describe('location offsets', () => {
var styles: string;
function assertMatchesOffsetAndChar(
location: ParseLocation, expectedOffset: number, expectedChar: string): void {
expect(location.offset).toEqual(expectedOffset);
expect(styles[expectedOffset]).toEqual(expectedChar);
}
it('should collect the source span location of each AST node with regular selectors', () => {
styles = '.problem-class { border-top-right: 1px; color: white; }\n';
styles += '#good-boy-rule_ { background-color: #fe4; color: teal; }';
var output = parse(styles);
var ast = output.ast;
assertMatchesOffsetAndChar(ast.location.start, 0, '.');
assertMatchesOffsetAndChar(ast.location.end, 111, '}');
var rule1 = <CssSelectorRuleAst>ast.rules[0];
assertMatchesOffsetAndChar(rule1.location.start, 0, '.');
assertMatchesOffsetAndChar(rule1.location.end, 54, '}');
var rule2 = <CssSelectorRuleAst>ast.rules[1];
assertMatchesOffsetAndChar(rule2.location.start, 56, '#');
assertMatchesOffsetAndChar(rule2.location.end, 111, '}');
var selector1 = rule1.selectors[0];
assertMatchesOffsetAndChar(selector1.location.start, 0, '.');
assertMatchesOffsetAndChar(selector1.location.end, 1, 'p'); // problem-class
var selector2 = rule2.selectors[0];
assertMatchesOffsetAndChar(selector2.location.start, 56, '#');
assertMatchesOffsetAndChar(selector2.location.end, 57, 'g'); // good-boy-rule_
var block1 = rule1.block;
assertMatchesOffsetAndChar(block1.location.start, 15, '{');
assertMatchesOffsetAndChar(block1.location.end, 54, '}');
var block2 = rule2.block;
assertMatchesOffsetAndChar(block2.location.start, 72, '{');
assertMatchesOffsetAndChar(block2.location.end, 111, '}');
var block1def1 = <CssDefinitionAst>block1.entries[0];
assertMatchesOffsetAndChar(block1def1.location.start, 17, 'b'); // border-top-right
assertMatchesOffsetAndChar(block1def1.location.end, 36, 'p'); // px
var block1def2 = <CssDefinitionAst>block1.entries[1];
assertMatchesOffsetAndChar(block1def2.location.start, 40, 'c'); // color
assertMatchesOffsetAndChar(block1def2.location.end, 47, 'w'); // white
var block2def1 = <CssDefinitionAst>block2.entries[0];
assertMatchesOffsetAndChar(block2def1.location.start, 74, 'b'); // background-color
assertMatchesOffsetAndChar(block2def1.location.end, 93, 'f'); // fe4
var block2def2 = <CssDefinitionAst>block2.entries[1];
assertMatchesOffsetAndChar(block2def2.location.start, 98, 'c'); // color
assertMatchesOffsetAndChar(block2def2.location.end, 105, 't'); // teal
var block1value1 = block1def1.value;
assertMatchesOffsetAndChar(block1value1.location.start, 35, '1');
assertMatchesOffsetAndChar(block1value1.location.end, 36, 'p');
var block1value2 = block1def2.value;
assertMatchesOffsetAndChar(block1value2.location.start, 47, 'w');
assertMatchesOffsetAndChar(block1value2.location.end, 47, 'w');
var block2value1 = block2def1.value;
assertMatchesOffsetAndChar(block2value1.location.start, 92, '#');
assertMatchesOffsetAndChar(block2value1.location.end, 93, 'f');
var block2value2 = block2def2.value;
assertMatchesOffsetAndChar(block2value2.location.start, 105, 't');
assertMatchesOffsetAndChar(block2value2.location.end, 105, 't');
});
it('should collect the source span location of each AST node with media query data', () => {
styles = '@media (all and max-width: 100px) { a { display:none; } }';
var output = parse(styles);
var ast = output.ast;
var mediaQuery = <CssMediaQueryRuleAst>ast.rules[0];
assertMatchesOffsetAndChar(mediaQuery.location.start, 0, '@');
assertMatchesOffsetAndChar(mediaQuery.location.end, 56, '}');
var predicate = mediaQuery.query;
assertMatchesOffsetAndChar(predicate.location.start, 0, '@');
assertMatchesOffsetAndChar(predicate.location.end, 32, ')');
var rule = <CssSelectorRuleAst>mediaQuery.block.entries[0];
assertMatchesOffsetAndChar(rule.location.start, 36, 'a');
assertMatchesOffsetAndChar(rule.location.end, 54, '}');
});
it('should collect the source span location of each AST node with keyframe data', () => {
styles = '@keyframes rotateAndZoomOut { ';
styles += 'from { transform: rotate(0deg); } ';
styles += '100% { transform: rotate(360deg) scale(2); }';
styles += '}';
var output = parse(styles);
var ast = output.ast;
var keyframes = <CssKeyframeRuleAst>ast.rules[0];
assertMatchesOffsetAndChar(keyframes.location.start, 0, '@');
assertMatchesOffsetAndChar(keyframes.location.end, 108, '}');
var step1 = <CssKeyframeDefinitionAst>keyframes.block.entries[0];
assertMatchesOffsetAndChar(step1.location.start, 30, 'f');
assertMatchesOffsetAndChar(step1.location.end, 62, '}');
var step2 = <CssKeyframeDefinitionAst>keyframes.block.entries[1];
assertMatchesOffsetAndChar(step2.location.start, 64, '1');
assertMatchesOffsetAndChar(step2.location.end, 107, '}');
});
it('should collect the source span location of each AST node with an inline rule', () => {
styles = '@import url(something.css)';
var output = parse(styles);
var ast = output.ast;
var rule = <CssInlineRuleAst>ast.rules[0];
assertMatchesOffsetAndChar(rule.location.start, 0, '@');
assertMatchesOffsetAndChar(rule.location.end, 25, ')');
var value = rule.value;
assertMatchesOffsetAndChar(value.location.start, 8, 'u');
assertMatchesOffsetAndChar(value.location.end, 25, ')');
});
it('should property collect the start/end locations with an invalid stylesheet', () => {
styles = '#id { something: value';
var output = parse(styles);
var ast = output.ast;
assertMatchesOffsetAndChar(ast.location.start, 0, '#');
assertMatchesOffsetAndChar(ast.location.end, 22, undefined);
});
});
it('should parse minified CSS content properly', () => {
// this code was taken from the angular.io webpage's CSS code
var styles = `
.is-hidden{display:none!important}
.is-visible{display:block!important}
.is-visually-hidden{height:1px;width:1px;overflow:hidden;opacity:0.01;position:absolute;bottom:0;right:0;z-index:1}
.grid-fluid,.grid-fixed{margin:0 auto}
.grid-fluid .c1,.grid-fixed .c1,.grid-fluid .c2,.grid-fixed .c2,.grid-fluid .c3,.grid-fixed .c3,.grid-fluid .c4,.grid-fixed .c4,.grid-fluid .c5,.grid-fixed .c5,.grid-fluid .c6,.grid-fixed .c6,.grid-fluid .c7,.grid-fixed .c7,.grid-fluid .c8,.grid-fixed .c8,.grid-fluid .c9,.grid-fixed .c9,.grid-fluid .c10,.grid-fixed .c10,.grid-fluid .c11,.grid-fixed .c11,.grid-fluid .c12,.grid-fixed .c12{display:inline;float:left}
.grid-fluid .c1.grid-right,.grid-fixed .c1.grid-right,.grid-fluid .c2.grid-right,.grid-fixed .c2.grid-right,.grid-fluid .c3.grid-right,.grid-fixed .c3.grid-right,.grid-fluid .c4.grid-right,.grid-fixed .c4.grid-right,.grid-fluid .c5.grid-right,.grid-fixed .c5.grid-right,.grid-fluid .c6.grid-right,.grid-fixed .c6.grid-right,.grid-fluid .c7.grid-right,.grid-fixed .c7.grid-right,.grid-fluid .c8.grid-right,.grid-fixed .c8.grid-right,.grid-fluid .c9.grid-right,.grid-fixed .c9.grid-right,.grid-fluid .c10.grid-right,.grid-fixed .c10.grid-right,.grid-fluid .c11.grid-right,.grid-fixed .c11.grid-right,.grid-fluid .c12.grid-right,.grid-fixed .c12.grid-right{float:right}
.grid-fluid .c1.nb,.grid-fixed .c1.nb,.grid-fluid .c2.nb,.grid-fixed .c2.nb,.grid-fluid .c3.nb,.grid-fixed .c3.nb,.grid-fluid .c4.nb,.grid-fixed .c4.nb,.grid-fluid .c5.nb,.grid-fixed .c5.nb,.grid-fluid .c6.nb,.grid-fixed .c6.nb,.grid-fluid .c7.nb,.grid-fixed .c7.nb,.grid-fluid .c8.nb,.grid-fixed .c8.nb,.grid-fluid .c9.nb,.grid-fixed .c9.nb,.grid-fluid .c10.nb,.grid-fixed .c10.nb,.grid-fluid .c11.nb,.grid-fixed .c11.nb,.grid-fluid .c12.nb,.grid-fixed .c12.nb{margin-left:0}
.grid-fluid .c1.na,.grid-fixed .c1.na,.grid-fluid .c2.na,.grid-fixed .c2.na,.grid-fluid .c3.na,.grid-fixed .c3.na,.grid-fluid .c4.na,.grid-fixed .c4.na,.grid-fluid .c5.na,.grid-fixed .c5.na,.grid-fluid .c6.na,.grid-fixed .c6.na,.grid-fluid .c7.na,.grid-fixed .c7.na,.grid-fluid .c8.na,.grid-fixed .c8.na,.grid-fluid .c9.na,.grid-fixed .c9.na,.grid-fluid .c10.na,.grid-fixed .c10.na,.grid-fluid .c11.na,.grid-fixed .c11.na,.grid-fluid .c12.na,.grid-fixed .c12.na{margin-right:0}
`;
var output = parse(styles);
var errors = output.errors;
expect(errors.length).toEqual(0);
var ast = output.ast;
expect(ast.rules.length).toEqual(8);
});
it('should parse a snippet of keyframe code from animate.css properly', () => {
// this code was taken from the angular.io webpage's CSS code
var styles = `
@charset "UTF-8";
/*!
* animate.css -http://daneden.me/animate
* Version - 3.5.1
* Licensed under the MIT license - http://opensource.org/licenses/MIT
*
* Copyright (c) 2016 Daniel Eden
*/
.animated {
-webkit-animation-duration: 1s;
animation-duration: 1s;
-webkit-animation-fill-mode: both;
animation-fill-mode: both;
}
.animated.infinite {
-webkit-animation-iteration-count: infinite;
animation-iteration-count: infinite;
}
.animated.hinge {
-webkit-animation-duration: 2s;
animation-duration: 2s;
}
.animated.flipOutX,
.animated.flipOutY,
.animated.bounceIn,
.animated.bounceOut {
-webkit-animation-duration: .75s;
animation-duration: .75s;
}
@-webkit-keyframes bounce {
from, 20%, 53%, 80%, to {
-webkit-animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
-webkit-transform: translate3d(0,0,0);
transform: translate3d(0,0,0);
}
40%, 43% {
-webkit-animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
-webkit-transform: translate3d(0, -30px, 0);
transform: translate3d(0, -30px, 0);
}
70% {
-webkit-animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
-webkit-transform: translate3d(0, -15px, 0);
transform: translate3d(0, -15px, 0);
}
90% {
-webkit-transform: translate3d(0,-4px,0);
transform: translate3d(0,-4px,0);
}
}
`;
var output = parse(styles);
var errors = output.errors;
expect(errors.length).toEqual(0);
var ast = output.ast;
expect(ast.rules.length).toEqual(6);
var finalRule = <CssBlockRuleAst>ast.rules[ast.rules.length - 1];
expect(finalRule.type).toEqual(BlockType.Keyframes);
expect(finalRule.block.entries.length).toEqual(4);
});
});
}