angular/packages/compiler/test/render3/style_parser_spec.ts
Joey Perrott 9dbe6fc18b refactor: update license text to point to angular.dev (#57901)
Update license text to point to angular.dev instead of angular.io

PR Close #57901
2024-09-24 15:33:00 +02:00

86 lines
3.1 KiB
TypeScript

/**
* @license
* Copyright Google LLC 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.dev/license
*/
import {
hyphenate,
parse as parseStyle,
} from '../../src/template/pipeline/src/phases/parse_extracted_styles';
describe('style parsing', () => {
it('should parse empty or blank strings', () => {
const result1 = parseStyle('');
expect(result1).toEqual([]);
const result2 = parseStyle(' ');
expect(result2).toEqual([]);
});
it('should parse a string into a key/value map', () => {
const result = parseStyle('width:100px;height:200px;opacity:0');
expect(result).toEqual(['width', '100px', 'height', '200px', 'opacity', '0']);
});
it('should allow empty values', () => {
const result = parseStyle('width:;height: ;');
expect(result).toEqual(['width', '', 'height', '']);
});
it('should trim values and properties', () => {
const result = parseStyle('width :333px ; height:666px ; opacity: 0.5;');
expect(result).toEqual(['width', '333px', 'height', '666px', 'opacity', '0.5']);
});
it('should not mess up with quoted strings that contain [:;] values', () => {
const result = parseStyle('content: "foo; man: guy"; width: 100px');
expect(result).toEqual(['content', '"foo; man: guy"', 'width', '100px']);
});
it('should not mess up with quoted strings that contain inner quote values', () => {
const quoteStr = '"one \'two\' three "four" five"';
const result = parseStyle(`content: ${quoteStr}; width: 123px`);
expect(result).toEqual(['content', quoteStr, 'width', '123px']);
});
it('should respect parenthesis that are placed within a style', () => {
const result = parseStyle('background-image: url("foo.jpg")');
expect(result).toEqual(['background-image', 'url("foo.jpg")']);
});
it('should respect multi-level parenthesis that contain special [:;] characters', () => {
const result = parseStyle('color: rgba(calc(50 * 4), var(--cool), :5;); height: 100px;');
expect(result).toEqual(['color', 'rgba(calc(50 * 4), var(--cool), :5;)', 'height', '100px']);
});
it('should hyphenate style properties from camel case', () => {
const result = parseStyle('borderWidth: 200px');
expect(result).toEqual(['border-width', '200px']);
});
describe('should not remove quotes', () => {
it('from string data types', () => {
const result = parseStyle('content: "foo"');
expect(result).toEqual(['content', '"foo"']);
});
it('that changes the value context from invalid to valid', () => {
const result = parseStyle('width: "1px"');
expect(result).toEqual(['width', '"1px"']);
});
});
describe('camelCasing => hyphenation', () => {
it('should convert a camel-cased value to a hyphenated value', () => {
expect(hyphenate('fooBar')).toEqual('foo-bar');
expect(hyphenate('fooBarMan')).toEqual('foo-bar-man');
expect(hyphenate('-fooBar-man')).toEqual('-foo-bar-man');
});
it('should make everything lowercase', () => {
expect(hyphenate('-WebkitAnimation')).toEqual('-webkit-animation');
});
});
});