326 lines
13 KiB
TypeScript
326 lines
13 KiB
TypeScript
import {
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ddescribe,
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describe,
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xdescribe,
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it,
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iit,
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xit,
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expect,
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beforeEach,
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afterEach,
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AsyncTestCompleter,
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inject,
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beforeEachProviders
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} from 'angular2/testing_internal';
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import {provide} from 'angular2/src/core/di';
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import {SpyXHR} from './spies';
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import {XHR} from 'angular2/src/compiler/xhr';
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import {BaseException, WrappedException} from 'angular2/src/facade/exceptions';
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import {CONST_EXPR, isPresent, isBlank, StringWrapper, isArray} from 'angular2/src/facade/lang';
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import {PromiseWrapper, Promise} from 'angular2/src/facade/async';
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import {evalModule} from './eval_module';
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import {StyleCompiler} from 'angular2/src/compiler/style_compiler';
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import {
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CompileDirectiveMetadata,
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CompileTemplateMetadata,
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CompileTypeMetadata
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} from 'angular2/src/compiler/directive_metadata';
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import {SourceExpression, SourceModule} from 'angular2/src/compiler/source_module';
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import {ViewEncapsulation} from 'angular2/src/core/metadata/view';
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import {TEST_PROVIDERS} from './test_bindings';
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import {codeGenValueFn, codeGenExportVariable, MODULE_SUFFIX} from 'angular2/src/compiler/util';
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// Attention: These module names have to correspond to real modules!
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var MODULE_URL = `package:angular2/test/compiler/style_compiler_spec${MODULE_SUFFIX}`;
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var IMPORT_ABS_STYLESHEET_URL = `package:angular2/test/compiler/style_compiler_import.css`;
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var IMPORT_REL_STYLESHEET_URL = './style_compiler_import.css';
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// Note: Not a real module, only used via mocks.
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var IMPORT_ABS_STYLESHEET_URL_WITH_IMPORT =
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`package:angular2/test/compiler/style_compiler_transitive_import.css`;
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export function main() {
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describe('StyleCompiler', () => {
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var xhr: SpyXHR;
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beforeEachProviders(() => {
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xhr = <any>new SpyXHR();
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return [TEST_PROVIDERS, provide(XHR, {useValue: xhr})];
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});
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var compiler: StyleCompiler;
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beforeEach(inject([StyleCompiler], (_compiler) => { compiler = _compiler; }));
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describe('compileComponentRuntime', () => {
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var xhrUrlResults;
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var xhrCount;
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beforeEach(() => {
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xhrCount = 0;
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xhrUrlResults = {};
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xhrUrlResults[IMPORT_ABS_STYLESHEET_URL] = 'span {color: blue}';
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xhrUrlResults[IMPORT_ABS_STYLESHEET_URL_WITH_IMPORT] =
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`a {color: green}@import ${IMPORT_REL_STYLESHEET_URL};`;
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});
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function compile(styles: string[], styleAbsUrls: string[],
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encapsulation: ViewEncapsulation): Promise<string[]> {
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// Note: Can't use MockXHR as the xhr is called recursively,
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// so we can't trigger flush.
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xhr.spy('get').andCallFake((url) => {
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var response = xhrUrlResults[url];
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xhrCount++;
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if (isBlank(response)) {
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throw new BaseException(`Unexpected url ${url}`);
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}
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return PromiseWrapper.resolve(response);
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});
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return compiler.compileComponentRuntime(new CompileTemplateMetadata(
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{styles: styles, styleUrls: styleAbsUrls, encapsulation: encapsulation}));
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}
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describe('no shim', () => {
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var encapsulation = ViewEncapsulation.None;
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it('should compile plain css rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}', 'span {color: blue}'], [], encapsulation)
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.then(styles => {
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expect(styles).toEqual(['div {color: red}', 'span {color: blue}']);
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async.done();
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});
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}));
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it('should allow to import rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}'], [IMPORT_ABS_STYLESHEET_URL], encapsulation)
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.then(styles => {
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expect(styles).toEqual(['div {color: red}', ['span {color: blue}']]);
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async.done();
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});
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}));
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it('should allow to import rules transitively', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}'], [IMPORT_ABS_STYLESHEET_URL_WITH_IMPORT], encapsulation)
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.then(styles => {
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expect(styles)
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.toEqual(['div {color: red}', ['a {color: green}', ['span {color: blue}']]]);
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async.done();
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});
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}));
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});
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describe('with shim', () => {
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var encapsulation = ViewEncapsulation.Emulated;
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it('should compile plain css rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {\ncolor: red;\n}', 'span {\ncolor: blue;\n}'], [], encapsulation)
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.then(styles => {
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compareStyles(styles, [
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'div[_ngcontent-%COMP%] {\ncolor: red;\n}',
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'span[_ngcontent-%COMP%] {\ncolor: blue;\n}'
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]);
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async.done();
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});
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}));
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it('should allow to import rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {\ncolor: red;\n}'], [IMPORT_ABS_STYLESHEET_URL], encapsulation)
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.then(styles => {
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compareStyles(styles, [
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'div[_ngcontent-%COMP%] {\ncolor: red;\n}',
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['span[_ngcontent-%COMP%] {color: blue}']
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]);
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async.done();
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});
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}));
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it('should allow to import rules transitively', inject([AsyncTestCompleter], (async) => {
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compile(['div {\ncolor: red;\n}'], [IMPORT_ABS_STYLESHEET_URL_WITH_IMPORT],
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encapsulation)
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.then(styles => {
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compareStyles(styles, [
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'div[_ngcontent-%COMP%] {\ncolor: red;\n}',
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[
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'a[_ngcontent-%COMP%] {color: green}',
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['span[_ngcontent-%COMP%] {color: blue}']
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]
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]);
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async.done();
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});
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}));
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});
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it('should cache stylesheets for parallel requests', inject([AsyncTestCompleter], (async) => {
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PromiseWrapper.all([
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compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None),
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compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None)
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])
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.then((styleArrays) => {
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expect(styleArrays[0]).toEqual([['span {color: blue}']]);
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expect(styleArrays[1]).toEqual([['span {color: blue}']]);
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expect(xhrCount).toBe(1);
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async.done();
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});
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}));
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it('should cache stylesheets for serial requests', inject([AsyncTestCompleter], (async) => {
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compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None)
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.then((styles0) => {
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xhrUrlResults[IMPORT_ABS_STYLESHEET_URL] = 'span {color: black}';
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return compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None)
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.then((styles1) => {
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expect(styles0).toEqual([['span {color: blue}']]);
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expect(styles1).toEqual([['span {color: blue}']]);
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expect(xhrCount).toBe(1);
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async.done();
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});
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});
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}));
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it('should allow to clear the cache', inject([AsyncTestCompleter], (async) => {
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compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None)
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.then((_) => {
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compiler.clearCache();
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xhrUrlResults[IMPORT_ABS_STYLESHEET_URL] = 'span {color: black}';
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return compile([], [IMPORT_ABS_STYLESHEET_URL], ViewEncapsulation.None);
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})
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.then((styles) => {
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expect(xhrCount).toBe(2);
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expect(styles).toEqual([['span {color: black}']]);
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async.done();
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});
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}));
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});
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describe('compileComponentCodeGen', () => {
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function compile(styles: string[], styleAbsUrls: string[],
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encapsulation: ViewEncapsulation): Promise<string[]> {
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var sourceExpression = compiler.compileComponentCodeGen(new CompileTemplateMetadata(
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{styles: styles, styleUrls: styleAbsUrls, encapsulation: encapsulation}));
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var sourceWithImports = testableExpression(sourceExpression).getSourceWithImports();
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return evalModule(sourceWithImports.source, sourceWithImports.imports, null);
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};
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describe('no shim', () => {
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var encapsulation = ViewEncapsulation.None;
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it('should compile plain css rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}', 'span {color: blue}'], [], encapsulation)
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.then(styles => {
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expect(styles).toEqual(['div {color: red}', 'span {color: blue}']);
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async.done();
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});
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}));
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it('should compile css rules with newlines and quotes',
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inject([AsyncTestCompleter], (async) => {
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compile(['div\n{"color": \'red\'}'], [], encapsulation)
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.then(styles => {
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expect(styles).toEqual(['div\n{"color": \'red\'}']);
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async.done();
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});
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}));
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it('should allow to import rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}'], [IMPORT_ABS_STYLESHEET_URL], encapsulation)
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.then(styles => {
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expect(styles).toEqual(['div {color: red}', ['span {color: blue}']]);
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async.done();
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});
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}), 1000);
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});
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describe('with shim', () => {
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var encapsulation = ViewEncapsulation.Emulated;
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it('should compile plain css ruless', inject([AsyncTestCompleter], (async) => {
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compile(['div {\ncolor: red;\n}', 'span {\ncolor: blue;\n}'], [], encapsulation)
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.then(styles => {
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compareStyles(styles, [
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'div[_ngcontent-%COMP%] {\ncolor: red;\n}',
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'span[_ngcontent-%COMP%] {\ncolor: blue;\n}'
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]);
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async.done();
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});
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}));
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it('should allow to import rules', inject([AsyncTestCompleter], (async) => {
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compile(['div {color: red}'], [IMPORT_ABS_STYLESHEET_URL], encapsulation)
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.then(styles => {
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compareStyles(styles, [
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'div[_ngcontent-%COMP%] {color: red}',
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['span[_ngcontent-%COMP%] {\ncolor: blue;\n}']
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]);
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async.done();
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});
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}), 1000);
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});
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});
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describe('compileStylesheetCodeGen', () => {
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function compile(style: string): Promise<string[][]> {
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var sourceModules = compiler.compileStylesheetCodeGen(MODULE_URL, style);
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return PromiseWrapper.all(sourceModules.map(sourceModule => {
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var sourceWithImports = testableModule(sourceModule).getSourceWithImports();
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return evalModule(sourceWithImports.source, sourceWithImports.imports, null);
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}));
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}
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it('should compile plain css rules', inject([AsyncTestCompleter], (async) => {
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compile('div {color: red;}')
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.then(stylesAndShimStyles => {
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var expected = [['div {color: red;}'], ['div[_ngcontent-%COMP%] {color: red;}']];
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compareStyles(stylesAndShimStyles[0], expected[0]);
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compareStyles(stylesAndShimStyles[1], expected[1]);
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async.done();
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});
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}));
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it('should allow to import rules with relative paths',
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inject([AsyncTestCompleter], (async) => {
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compile(`div {color: red}@import ${IMPORT_REL_STYLESHEET_URL};`)
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.then(stylesAndShimStyles => {
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var expected = [
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['div {color: red}', ['span {color: blue}']],
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[
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'div[_ngcontent-%COMP%] {color: red}',
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['span[_ngcontent-%COMP%] {\ncolor: blue;\n}']
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]
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];
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compareStyles(stylesAndShimStyles[0], expected[0]);
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compareStyles(stylesAndShimStyles[1], expected[1]);
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async.done();
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});
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}));
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});
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});
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}
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function testableExpression(source: SourceExpression): SourceModule {
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var testableSource = `${source.declarations.join('\n')}
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${codeGenValueFn(['_'], source.expression, '_run')};
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${codeGenExportVariable('run')}_run;`;
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return new SourceModule(null, testableSource);
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}
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function testableModule(sourceModule: SourceModule): SourceModule {
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var testableSource = `${sourceModule.sourceWithModuleRefs}
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${codeGenValueFn(['_'], 'STYLES', '_run')};
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${codeGenExportVariable('run')}_run;`;
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return new SourceModule(sourceModule.moduleUrl, testableSource);
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}
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// Needed for Android browsers which add an extra space at the end of some lines
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function compareStyles(styles: Array<string | any[]>, expectedStyles: Array<string | any[]>) {
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expect(styles.length).toEqual(expectedStyles.length);
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for (var i = 0; i < styles.length; i++) {
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var style = styles[i];
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if (isArray(style)) {
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compareStyles(<any[]>style, <any[]>expectedStyles[i]);
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} else {
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expect(StringWrapper.replaceAll(<string>style, /\s+\n/g, '\n')).toEqual(expectedStyles[i]);
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}
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}
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}
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