490 lines
17 KiB
TypeScript
490 lines
17 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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} from 'angular2/test_lib';
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import {IS_DART} from '../platform';
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import {CONST_EXPR, stringify, isType, Type, isBlank} from 'angular2/src/core/facade/lang';
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import {PromiseWrapper, Promise} from 'angular2/src/core/facade/async';
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import {HtmlParser} from 'angular2/src/compiler/html_parser';
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import {TemplateParser} from 'angular2/src/compiler/template_parser';
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import {MockSchemaRegistry} from './template_parser_spec';
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import {Parser, Lexer} from 'angular2/src/core/change_detection/change_detection';
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import {
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CommandVisitor,
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TextCmd,
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NgContentCmd,
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BeginElementCmd,
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BeginComponentCmd,
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EmbeddedTemplateCmd,
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TemplateCmd,
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visitAllCommands,
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CompiledTemplate
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} from 'angular2/src/core/compiler/template_commands';
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import {CommandCompiler} from 'angular2/src/compiler/command_compiler';
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import {
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DirectiveMetadata,
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TypeMetadata,
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TemplateMetadata,
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SourceModule
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} from 'angular2/src/compiler/api';
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import {ViewEncapsulation} from 'angular2/src/core/render/api';
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import {evalModule} from './eval_module';
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import {escapeSingleQuoteString} from 'angular2/src/compiler/util';
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const BEGIN_ELEMENT = 'BEGIN_ELEMENT';
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const END_ELEMENT = 'END_ELEMENT';
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const BEGIN_COMPONENT = 'BEGIN_COMPONENT';
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const END_COMPONENT = 'END_COMPONENT';
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const TEXT = 'TEXT';
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const NG_CONTENT = 'NG_CONTENT';
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const EMBEDDED_TEMPLATE = 'EMBEDDED_TEMPLATE';
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// Attention: These module names have to correspond to real modules!
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const MODULE_NAME = 'angular2/test/compiler/command_compiler_spec';
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const TEMPLATE_COMMANDS_MODULE_NAME = 'angular2/src/core/compiler/template_commands';
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// Attention: read by eval!
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export class RootComp {}
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export class SomeDir {}
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export class AComp {}
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var RootCompTypeMeta =
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new TypeMetadata({typeName: 'RootComp', id: 1, type: RootComp, typeUrl: MODULE_NAME});
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var SomeDirTypeMeta =
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new TypeMetadata({typeName: 'SomeDir', id: 2, type: SomeDir, typeUrl: MODULE_NAME});
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var ACompTypeMeta = new TypeMetadata({typeName: 'AComp', id: 3, type: AComp, typeUrl: MODULE_NAME});
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var NESTED_COMPONENT = new CompiledTemplate('someNestedComponentId', []);
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export function main() {
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describe('CommandCompiler', () => {
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var domParser: HtmlParser;
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var parser: TemplateParser;
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var commandCompiler: CommandCompiler;
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var componentTemplateFactory: Function;
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beforeEach(() => {
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domParser = new HtmlParser();
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parser = new TemplateParser(
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new Parser(new Lexer()),
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new MockSchemaRegistry({'invalidProp': false}, {'mappedAttr': 'mappedProp'}));
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commandCompiler = new CommandCompiler();
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});
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function createComp({type, selector, template, encapsulation, ngContentSelectors}: {
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type?: TypeMetadata,
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selector?: string,
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template?: string,
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encapsulation?: ViewEncapsulation,
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ngContentSelectors?: string[]
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}): DirectiveMetadata {
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if (isBlank(encapsulation)) {
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encapsulation = ViewEncapsulation.None;
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}
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if (isBlank(selector)) {
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selector = 'root';
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}
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if (isBlank(ngContentSelectors)) {
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ngContentSelectors = [];
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}
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if (isBlank(template)) {
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template = '';
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}
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return new DirectiveMetadata({
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selector: selector,
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isComponent: true,
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type: type,
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template: new TemplateMetadata({
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template: template,
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ngContentSelectors: ngContentSelectors,
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encapsulation: encapsulation
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})
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});
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}
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function createDirective(type: TypeMetadata, selector: string): DirectiveMetadata {
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return new DirectiveMetadata({selector: selector, isComponent: false, type: type});
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}
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function createTests(run: Function) {
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describe('text', () => {
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it('should create unbound text commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: 'a'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([[TEXT, 'a', false, null]]);
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async.done();
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});
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}));
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it('should create bound text commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: '{{a}}'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([[TEXT, null, true, null]]);
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async.done();
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});
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}));
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});
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describe('elements', () => {
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it('should create unbound element commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: '<div a="b">'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([
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[BEGIN_ELEMENT, 'div', ['a', 'b'], [], [], [], false, null],
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[END_ELEMENT]
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]);
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async.done();
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});
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}));
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it('should create bound element commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<div a="b" #some-var="someValue" (click)="someHandler">'
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});
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var dir = createDirective(SomeDirTypeMeta, '[a]');
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run(rootComp, [dir])
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.then((data) => {
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expect(data).toEqual([
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[
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BEGIN_ELEMENT,
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'div',
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['a', 'b'],
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['click'],
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['someVar', 'someValue'],
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['SomeDirType'],
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true,
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null
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],
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[END_ELEMENT]
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]);
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async.done();
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});
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}));
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it('should emulate style encapsulation', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<div>',
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encapsulation: ViewEncapsulation.Emulated
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});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([
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[BEGIN_ELEMENT, 'div', ['_ngcontent-1', ''], [], [], [], false, null],
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[END_ELEMENT]
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]);
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async.done();
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});
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}));
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it('should create nested nodes', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: '<div>a</div>'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([
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[BEGIN_ELEMENT, 'div', [], [], [], [], false, null],
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[TEXT, 'a', false, null],
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[END_ELEMENT]
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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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describe('components', () => {
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it('should create component commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<a a="b" #some-var="someValue" (click)="someHandler">'
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});
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var comp = createComp({type: ACompTypeMeta, selector: 'a'});
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run(rootComp, [comp])
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.then((data) => {
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expect(data).toEqual([
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[
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BEGIN_COMPONENT,
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'a',
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['a', 'b'],
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['click'],
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['someVar', 'someValue'],
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['ACompType'],
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false,
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null,
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'AComp'
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],
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[END_COMPONENT]
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]);
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async.done();
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});
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}));
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it('should emulate style encapsulation on host elements',
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inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<a></a>',
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encapsulation: ViewEncapsulation.Emulated
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});
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var comp = createComp(
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{type: ACompTypeMeta, selector: 'a', encapsulation: ViewEncapsulation.Emulated});
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run(rootComp, [comp])
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.then((data) => {
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expect(data).toEqual([
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[
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BEGIN_COMPONENT,
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'a',
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['_nghost-3', '', '_ngcontent-1', ''],
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[],
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[],
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['ACompType'],
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false,
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null,
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'AComp'
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],
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[END_COMPONENT]
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]);
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async.done();
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});
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}));
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it('should set nativeShadow flag', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: '<a></a>'});
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var comp = createComp(
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{type: ACompTypeMeta, selector: 'a', encapsulation: ViewEncapsulation.Native});
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run(rootComp, [comp])
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.then((data) => {
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expect(data).toEqual([
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[BEGIN_COMPONENT, 'a', [], [], [], ['ACompType'], true, null, 'AComp'],
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[END_COMPONENT]
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]);
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async.done();
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});
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}));
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it('should create nested nodes and set ngContentIndex',
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inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({type: RootCompTypeMeta, template: '<a>t</a>'});
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var comp = createComp({type: ACompTypeMeta, selector: 'a', ngContentSelectors: ['*']});
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run(rootComp, [comp])
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.then((data) => {
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expect(data).toEqual([
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[BEGIN_COMPONENT, 'a', [], [], [], ['ACompType'], false, null, 'AComp'],
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[TEXT, 't', false, 0],
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[END_COMPONENT]
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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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describe('embedded templates', () => {
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it('should create embedded template commands', inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<template a="b" #some-var="someValue"></template>'
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});
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var dir = createDirective(SomeDirTypeMeta, '[a]');
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run(rootComp, [dir])
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.then((data) => {
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expect(data).toEqual([
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[
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EMBEDDED_TEMPLATE,
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['a', 'b'],
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['someVar', 'someValue'],
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['SomeDirType'],
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false,
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null,
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[]
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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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it('should created nested nodes', inject([AsyncTestCompleter], (async) => {
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var rootComp =
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createComp({type: RootCompTypeMeta, template: '<template>t</template>'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual(
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[[EMBEDDED_TEMPLATE, [], [], [], false, null, [[TEXT, 't', false, null]]]]);
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async.done();
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});
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}));
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it('should calculate wether the template is merged based on nested ng-content elements',
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inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<template><ng-content></ng-content></template>'
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});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual(
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[[EMBEDDED_TEMPLATE, [], [], [], true, null, [[NG_CONTENT, null]]]]);
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async.done();
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});
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}));
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});
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describe('ngContent', () => {
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it('should create ng-content commands', inject([AsyncTestCompleter], (async) => {
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var rootComp =
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createComp({type: RootCompTypeMeta, template: '<ng-content></ng-content>'});
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run(rootComp, [])
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.then((data) => {
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expect(data).toEqual([[NG_CONTENT, null]]);
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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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describe('compileComponentRuntime', () => {
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beforeEach(() => {
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componentTemplateFactory = (directiveType: TypeMetadata) => {
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return new CompiledTemplate(directiveType.typeName, []);
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};
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});
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function run(component: DirectiveMetadata, directives: DirectiveMetadata[]):
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Promise<any[][]> {
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var parsedTemplate = parser.parse(
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domParser.parse(component.template.template, component.type.typeName), directives);
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var commands = commandCompiler.compileComponentRuntime(component, parsedTemplate,
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componentTemplateFactory);
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return PromiseWrapper.resolve(humanize(commands));
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}
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createTests(run);
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});
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describe('compileComponentCodeGen', () => {
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beforeEach(() => {
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componentTemplateFactory = (directiveType: TypeMetadata, imports: string[][]) => {
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imports.push([TEMPLATE_COMMANDS_MODULE_NAME, 'tcm']);
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return `new tcm.CompiledTemplate(${escapeSingleQuoteString(directiveType.typeName)}, [])`;
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};
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});
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function run(component: DirectiveMetadata, directives: DirectiveMetadata[]):
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Promise<any[][]> {
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var parsedTemplate = parser.parse(
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domParser.parse(component.template.template, component.type.typeName), directives);
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var sourceModule = commandCompiler.compileComponentCodeGen(component, parsedTemplate,
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componentTemplateFactory);
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var testableModule = createTestableModule(sourceModule);
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return evalModule(testableModule.source, testableModule.imports, null);
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}
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createTests(run);
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});
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});
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}
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// Attention: read by eval!
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export function humanize(cmds: TemplateCmd[]): any[][] {
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var visitor = new CommandHumanizer();
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visitAllCommands(visitor, cmds);
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return visitor.result;
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}
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function checkAndStringifyType(type: Type): string {
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expect(isType(type)).toBe(true);
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return `${stringify(type)}Type`;
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}
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class CommandHumanizer implements CommandVisitor {
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result: any[][] = [];
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visitText(cmd: TextCmd, context: any): any {
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this.result.push([TEXT, cmd.value, cmd.isBound, cmd.ngContentIndex]);
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return null;
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}
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visitNgContent(cmd: NgContentCmd, context: any): any {
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this.result.push([NG_CONTENT, cmd.ngContentIndex]);
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return null;
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}
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visitBeginElement(cmd: BeginElementCmd, context: any): any {
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this.result.push([
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BEGIN_ELEMENT,
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cmd.name,
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cmd.attrNameAndValues,
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cmd.eventNames,
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cmd.variableNameAndValues,
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cmd.directives.map(checkAndStringifyType),
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cmd.isBound,
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cmd.ngContentIndex
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]);
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return null;
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}
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visitEndElement(context: any): any {
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this.result.push([END_ELEMENT]);
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return null;
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}
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visitBeginComponent(cmd: BeginComponentCmd, context: any): any {
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this.result.push([
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BEGIN_COMPONENT,
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cmd.name,
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cmd.attrNameAndValues,
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cmd.eventNames,
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cmd.variableNameAndValues,
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cmd.directives.map(checkAndStringifyType),
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cmd.nativeShadow,
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cmd.ngContentIndex,
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cmd.template.id
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]);
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return null;
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}
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visitEndComponent(context: any): any {
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this.result.push([END_COMPONENT]);
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return null;
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}
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visitEmbeddedTemplate(cmd: EmbeddedTemplateCmd, context: any): any {
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this.result.push([
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EMBEDDED_TEMPLATE,
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cmd.attrNameAndValues,
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cmd.variableNameAndValues,
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cmd.directives.map(checkAndStringifyType),
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cmd.isMerged,
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cmd.ngContentIndex,
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humanize(cmd.children)
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]);
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return null;
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}
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}
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function createTestableModule(sourceModule: SourceModule): SourceModule {
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var testableSource;
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var testableImports = [[MODULE_NAME, 'mocks']].concat(sourceModule.imports);
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if (IS_DART) {
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testableSource = `${sourceModule.source}
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run(_) { return mocks.humanize(COMMANDS); }`;
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} else {
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testableSource = `${sourceModule.source}
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exports.run = function(_) { return mocks.humanize(COMMANDS); }`;
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}
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return new SourceModule(null, testableSource, testableImports);
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}
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