6edd964a83
BREAKING CHANGE All imports from 'angular2/core/compiler' should be changed to 'angular2/compiler'.
227 lines
8.7 KiB
TypeScript
227 lines
8.7 KiB
TypeScript
import {
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describe,
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beforeEach,
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it,
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expect,
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ddescribe,
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iit,
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SpyObject,
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el,
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normalizeCSS
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} from 'angular2/testing_internal';
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import {ShadowCss, processRules, CssRule} from 'angular2/src/compiler/shadow_css';
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import {RegExpWrapper, StringWrapper, isPresent} from 'angular2/src/core/facade/lang';
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export function main() {
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describe('ShadowCss', function() {
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function s(css: string, contentAttr: string, hostAttr: string = '') {
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var shadowCss = new ShadowCss();
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var shim = shadowCss.shimCssText(css, contentAttr, hostAttr);
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var nlRegexp = /\n/g;
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return normalizeCSS(StringWrapper.replaceAll(shim, nlRegexp, ''));
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}
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it('should handle empty string', () => { expect(s('', 'a')).toEqual(''); });
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it('should add an attribute to every rule', () => {
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var css = 'one {color: red;}two {color: red;}';
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var expected = 'one[a] {color:red;}two[a] {color:red;}';
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expect(s(css, 'a')).toEqual(expected);
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});
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it('should handle invalid css', () => {
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var css = 'one {color: red;}garbage';
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var expected = 'one[a] {color:red;}garbage';
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expect(s(css, 'a')).toEqual(expected);
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});
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it('should add an attribute to every selector', () => {
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var css = 'one, two {color: red;}';
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var expected = 'one[a], two[a] {color:red;}';
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expect(s(css, 'a')).toEqual(expected);
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});
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it('should support newlines in the selector and content ', () => {
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var css = 'one, \ntwo {\ncolor: red;}';
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var expected = 'one[a], two[a] {color:red;}';
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expect(s(css, 'a')).toEqual(expected);
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});
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it('should handle media rules', () => {
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var css = '@media screen and (max-width:800px, max-height:100%) {div {font-size:50px;}}';
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var expected =
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'@media screen and (max-width:800px, max-height:100%) {div[a] {font-size:50px;}}';
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expect(s(css, 'a')).toEqual(expected);
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});
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it('should handle media rules with simple rules', () => {
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var css = '@media screen and (max-width: 800px) {div {font-size: 50px;}} div {}';
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var expected = '@media screen and (max-width:800px) {div[a] {font-size:50px;}} div[a] {}';
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expect(s(css, 'a')).toEqual(expected);
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});
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// Check that the browser supports unprefixed CSS animation
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it('should handle keyframes rules', () => {
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var css = '@keyframes foo {0% {transform:translate(-50%) scaleX(0);}}';
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expect(s(css, 'a')).toEqual(css);
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});
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it('should handle -webkit-keyframes rules', () => {
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var css = '@-webkit-keyframes foo {0% {-webkit-transform:translate(-50%) scaleX(0);}}';
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expect(s(css, 'a')).toEqual(css);
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});
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it('should handle complicated selectors', () => {
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expect(s('one::before {}', 'a')).toEqual('one[a]::before {}');
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expect(s('one two {}', 'a')).toEqual('one[a] two[a] {}');
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expect(s('one > two {}', 'a')).toEqual('one[a] > two[a] {}');
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expect(s('one + two {}', 'a')).toEqual('one[a] + two[a] {}');
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expect(s('one ~ two {}', 'a')).toEqual('one[a] ~ two[a] {}');
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var res = s('.one.two > three {}', 'a'); // IE swap classes
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expect(res == '.one.two[a] > three[a] {}' || res == '.two.one[a] > three[a] {}')
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.toEqual(true);
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expect(s('one[attr="value"] {}', 'a')).toEqual('one[attr="value"][a] {}');
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expect(s('one[attr=value] {}', 'a')).toEqual('one[attr="value"][a] {}');
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expect(s('one[attr^="value"] {}', 'a')).toEqual('one[attr^="value"][a] {}');
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expect(s('one[attr$="value"] {}', 'a')).toEqual('one[attr$="value"][a] {}');
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expect(s('one[attr*="value"] {}', 'a')).toEqual('one[attr*="value"][a] {}');
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expect(s('one[attr|="value"] {}', 'a')).toEqual('one[attr|="value"][a] {}');
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expect(s('one[attr] {}', 'a')).toEqual('one[attr][a] {}');
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expect(s('[is="one"] {}', 'a')).toEqual('[is="one"][a] {}');
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});
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it('should handle :host', () => {
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expect(s(':host {}', 'a', 'a-host')).toEqual('[a-host] {}');
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expect(s(':host(.x,.y) {}', 'a', 'a-host')).toEqual('[a-host].x, [a-host].y {}');
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expect(s(':host(.x,.y) > .z {}', 'a', 'a-host'))
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.toEqual('[a-host].x > .z, [a-host].y > .z {}');
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});
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it('should handle :host-context', () => {
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expect(s(':host-context(.x) {}', 'a', 'a-host')).toEqual('[a-host].x, .x [a-host] {}');
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expect(s(':host-context(.x) > .y {}', 'a', 'a-host'))
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.toEqual('[a-host].x > .y, .x [a-host] > .y {}');
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});
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it('should support polyfill-next-selector', () => {
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var css = s("polyfill-next-selector {content: 'x > y'} z {}", 'a');
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expect(css).toEqual('x[a] > y[a]{}');
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css = s('polyfill-next-selector {content: "x > y"} z {}', 'a');
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expect(css).toEqual('x[a] > y[a]{}');
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});
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it('should support polyfill-unscoped-rule', () => {
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var css = s("polyfill-unscoped-rule {content: '#menu > .bar';color: blue;}", 'a');
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expect(StringWrapper.contains(css, '#menu > .bar {;color:blue;}')).toBeTruthy();
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css = s('polyfill-unscoped-rule {content: "#menu > .bar";color: blue;}', 'a');
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expect(StringWrapper.contains(css, '#menu > .bar {;color:blue;}')).toBeTruthy();
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});
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it('should support multiple instances polyfill-unscoped-rule', () => {
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var css = s("polyfill-unscoped-rule {content: 'foo';color: blue;}" +
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"polyfill-unscoped-rule {content: 'bar';color: blue;}",
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'a');
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expect(StringWrapper.contains(css, 'foo {;color:blue;}')).toBeTruthy();
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expect(StringWrapper.contains(css, 'bar {;color:blue;}')).toBeTruthy();
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});
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it('should support polyfill-rule', () => {
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var css = s("polyfill-rule {content: ':host.foo .bar';color: blue;}", 'a', 'a-host');
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expect(css).toEqual('[a-host].foo .bar {;color:blue;}');
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css = s('polyfill-rule {content: ":host.foo .bar";color:blue;}', 'a', 'a-host');
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expect(css).toEqual('[a-host].foo .bar {;color:blue;}');
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});
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it('should handle ::shadow', () => {
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var css = s('x::shadow > y {}', 'a');
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expect(css).toEqual('x[a] > y[a] {}');
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});
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it('should handle /deep/', () => {
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var css = s('x /deep/ y {}', 'a');
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expect(css).toEqual('x[a] y[a] {}');
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});
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it('should handle >>>', () => {
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var css = s('x >>> y {}', 'a');
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expect(css).toEqual('x[a] y[a] {}');
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});
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it('should pass through @import directives', () => {
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var styleStr = '@import url("https://fonts.googleapis.com/css?family=Roboto");';
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var css = s(styleStr, 'a');
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expect(css).toEqual(styleStr);
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});
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it('should shim rules after @import', () => {
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var styleStr = '@import url("a"); div {}';
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var css = s(styleStr, 'a');
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expect(css).toEqual('@import url("a"); div[a] {}');
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});
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it('should leave calc() unchanged', () => {
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var styleStr = 'div {height:calc(100% - 55px);}';
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var css = s(styleStr, 'a');
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expect(css).toEqual('div[a] {height:calc(100% - 55px);}');
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});
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it('should strip comments', () => { expect(s('/* x */b {c}', 'a')).toEqual('b[a] {c}'); });
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it('should ignore special characters in comments',
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() => { expect(s('/* {;, */b {c}', 'a')).toEqual('b[a] {c}'); });
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it('should support multiline comments',
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() => { expect(s('/* \n */b {c}', 'a')).toEqual('b[a] {c}'); });
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});
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describe('processRules', () => {
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describe('parse rules', () => {
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function captureRules(input: string): CssRule[] {
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var result = [];
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processRules(input, (cssRule) => {
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result.push(cssRule);
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return cssRule;
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});
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return result;
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}
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it('should work with empty css', () => { expect(captureRules('')).toEqual([]); });
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it('should capture a rule without body',
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() => { expect(captureRules('a;')).toEqual([new CssRule('a', '')]); });
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it('should capture css rules with body',
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() => { expect(captureRules('a {b}')).toEqual([new CssRule('a', 'b')]); });
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it('should capture css rules with nested rules', () => {
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expect(captureRules('a {b {c}} d {e}'))
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.toEqual([new CssRule('a', 'b {c}'), new CssRule('d', 'e')]);
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});
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it('should capture mutiple rules where some have no body', () => {
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expect(captureRules('@import a ; b {c}'))
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.toEqual([new CssRule('@import a', ''), new CssRule('b', 'c')]);
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});
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});
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describe('modify rules', () => {
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it('should allow to change the selector while preserving whitespaces', () => {
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expect(processRules('@import a; b {c {d}} e {f}',
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(cssRule) => new CssRule(cssRule.selector + '2', cssRule.content)))
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.toEqual('@import a2; b2 {c {d}} e2 {f}');
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});
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it('should allow to change the content', () => {
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expect(processRules('a {b}',
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(cssRule) => new CssRule(cssRule.selector, cssRule.content + '2')))
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.toEqual('a {b2}');
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});
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});
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});
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}
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