598 lines
21 KiB
TypeScript
598 lines
21 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 {
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CONST_EXPR,
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stringify,
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isType,
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Type,
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isBlank,
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serializeEnum,
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IS_DART
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} from 'angular2/src/facade/lang';
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import {MapWrapper} from 'angular2/src/facade/collection';
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import {PromiseWrapper, Promise} from 'angular2/src/facade/async';
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import {TemplateParser} from 'angular2/src/compiler/template_parser';
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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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CompiledComponentTemplate
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} from 'angular2/src/core/linker/template_commands';
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import {CommandCompiler} from 'angular2/src/compiler/command_compiler';
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import {
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CompileDirectiveMetadata,
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CompileTypeMetadata,
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CompileTemplateMetadata
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} from 'angular2/src/compiler/directive_metadata';
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import {SourceModule, SourceExpression, moduleRef} from 'angular2/src/compiler/source_module';
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import {ViewEncapsulation} from 'angular2/src/core/metadata/view';
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import {evalModule} from './eval_module';
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import {
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escapeSingleQuoteString,
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codeGenValueFn,
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codeGenExportVariable,
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codeGenConstConstructorCall,
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MODULE_SUFFIX
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} from 'angular2/src/compiler/util';
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import {TEST_PROVIDERS} from './test_bindings';
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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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var THIS_MODULE_URL = `package:angular2/test/compiler/command_compiler_spec${MODULE_SUFFIX}`;
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var THIS_MODULE_REF = moduleRef(THIS_MODULE_URL);
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var TEMPLATE_COMMANDS_MODULE_REF =
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moduleRef(`package:angular2/src/core/linker/template_commands${MODULE_SUFFIX}`);
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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 CompileTypeMetadata({name: 'RootComp', runtime: RootComp, moduleUrl: THIS_MODULE_URL});
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var SomeDirTypeMeta =
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new CompileTypeMetadata({name: 'SomeDir', runtime: SomeDir, moduleUrl: THIS_MODULE_URL});
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var ACompTypeMeta =
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new CompileTypeMetadata({name: 'AComp', runtime: AComp, moduleUrl: THIS_MODULE_URL});
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var compTypeTemplateId: Map<CompileTypeMetadata, string> = MapWrapper.createFromPairs(
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[[RootCompTypeMeta, 'rootCompId'], [SomeDirTypeMeta, 'someDirId'], [ACompTypeMeta, 'aCompId']]);
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export function main() {
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describe('CommandCompiler', () => {
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beforeEachProviders(() => TEST_PROVIDERS);
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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(inject([TemplateParser, CommandCompiler], (_templateParser, _commandCompiler) => {
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parser = _templateParser;
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commandCompiler = _commandCompiler;
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}));
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function createComp({type, selector, template, encapsulation, ngContentSelectors}: {
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type?: CompileTypeMetadata,
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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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}): CompileDirectiveMetadata {
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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 CompileDirectiveMetadata.create({
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selector: selector,
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isComponent: true,
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type: type,
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template: new CompileTemplateMetadata({
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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: CompileTypeMetadata, selector: string,
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exportAs: string = null): CompileDirectiveMetadata {
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return CompileDirectiveMetadata.create(
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{selector: selector, exportAs: exportAs, 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" #someVar (click)="someHandler" (window:scroll)="scrollTo()">'
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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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[
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BEGIN_ELEMENT,
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'div',
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['a', 'b'],
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[null, 'click', 'window', 'scroll'],
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['someVar', null],
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[],
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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 create element commands with directives',
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inject([AsyncTestCompleter], (async) => {
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var rootComp =
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createComp({type: RootCompTypeMeta, template: '<div a #someVar="someExport">'});
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var dir = CompileDirectiveMetadata.create({
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selector: '[a]',
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exportAs: 'someExport',
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isComponent: false,
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type: SomeDirTypeMeta,
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host: {'(click)': 'doIt()', '(window:scroll)': 'doIt()', 'role': 'button'}
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});
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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', '', 'role', 'button'],
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[null, 'click', 'window', 'scroll'],
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['someVar', 0],
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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 merge element attributes with host attributes',
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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: '<div class="origclass" style="color: red;" role="origrole" attr1>'
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});
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var dir = CompileDirectiveMetadata.create({
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selector: 'div',
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isComponent: false,
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type: SomeDirTypeMeta,
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host: {'class': 'newclass', 'style': 'newstyle', 'role': 'newrole', 'attr2': ''}
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});
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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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[
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'attr1',
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'',
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'attr2',
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'',
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'class',
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'origclass newclass',
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'role',
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'newrole',
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'style',
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'color: red; newstyle'
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],
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[],
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[],
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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 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, template: '<a a="b" #someVar (click)="someHandler">'});
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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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[null, 'click'],
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['someVar', 0],
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['ACompType'],
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serializeEnum(ViewEncapsulation.None),
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null,
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'aCompId'
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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 store viewEncapsulation', 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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[
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BEGIN_COMPONENT,
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'a',
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[],
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[],
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[],
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['ACompType'],
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serializeEnum(ViewEncapsulation.Native),
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null,
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'aCompId'
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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 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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[
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BEGIN_COMPONENT,
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'a',
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[],
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[],
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[],
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['ACompType'],
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serializeEnum(ViewEncapsulation.None),
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null,
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'aCompId'
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],
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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 =
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createComp({type: RootCompTypeMeta, template: '<template a="b"></template>'});
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var dir = createDirective(SomeDirTypeMeta, '[a]');
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run(rootComp, [dir], 1)
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.then((data) => {
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expect(data).toEqual([
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[EMBEDDED_TEMPLATE, ['a', 'b'], [], ['SomeDirType'], false, null, 'cd1', []]
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]);
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async.done();
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});
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}));
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it('should keep variable name and value for <template> 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 #someVar="someValue" #someEmptyVar></template>'
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});
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var dir = createDirective(SomeDirTypeMeta, '[a]');
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run(rootComp, [dir], 1)
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.then((data) => {
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expect(data[0][2])
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.toEqual(['someVar', 'someValue', 'someEmptyVar', '$implicit']);
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async.done();
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});
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}));
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it('should keep variable name and value for template attributes',
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inject([AsyncTestCompleter], (async) => {
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var rootComp = createComp({
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type: RootCompTypeMeta,
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template: '<div template="var someVar=someValue; var someEmptyVar"></div>'
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});
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var dir = createDirective(SomeDirTypeMeta, '[a]');
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run(rootComp, [dir], 1)
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.then((data) => {
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expect(data[0][2])
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.toEqual(['someVar', 'someValue', 'someEmptyVar', '$implicit']);
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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, [], 1)
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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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[],
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[],
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[],
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false,
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null,
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'cd1',
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[[TEXT, 't', false, null]]
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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 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, [], 1)
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.then((data) => {
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expect(data).toEqual(
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[[EMBEDDED_TEMPLATE, [], [], [], true, null, 'cd1', [[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 = (directive: CompileDirectiveMetadata) => {
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return () => new CompiledComponentTemplate(compTypeTemplateId.get(directive.type), null,
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null, null);
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};
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});
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function run(component: CompileDirectiveMetadata, directives: CompileDirectiveMetadata[],
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embeddedTemplateCount: number = 0): Promise<any[][]> {
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var changeDetectorFactories = [];
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for (var i = 0; i < embeddedTemplateCount + 1; i++) {
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(function(i) { changeDetectorFactories.push((_) => `cd${i}`); })(i);
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}
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var parsedTemplate =
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parser.parse(component.template.template, directives, component.type.name);
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var commands = commandCompiler.compileComponentRuntime(
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component, parsedTemplate, changeDetectorFactories, componentTemplateFactory);
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return PromiseWrapper.resolve(humanize(commands));
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}
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createTests(run);
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});
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describe('compileComponentCodeGen', () => {
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beforeEach(() => {
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componentTemplateFactory = (directive: CompileDirectiveMetadata) => {
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return `${directive.type.name}TemplateGetter`;
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};
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});
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function run(component: CompileDirectiveMetadata, directives: CompileDirectiveMetadata[],
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embeddedTemplateCount: number = 0): Promise<any[][]> {
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var testDeclarations = [];
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var changeDetectorFactoryExpressions = [];
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for (var i = 0; i < embeddedTemplateCount + 1; i++) {
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var fnName = `cd${i}`;
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testDeclarations.push(`${codeGenValueFn(['_'], ` 'cd${i}' `, fnName)};`);
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changeDetectorFactoryExpressions.push(fnName);
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}
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for (var i = 0; i < directives.length; i++) {
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var directive = directives[i];
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if (directive.isComponent) {
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var nestedTemplate =
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`${codeGenConstConstructorCall(TEMPLATE_COMMANDS_MODULE_REF+'CompiledComponentTemplate')}('${compTypeTemplateId.get(directive.type)}', null, null, null)`;
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var getterName = `${directive.type.name}TemplateGetter`;
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testDeclarations.push(`${codeGenValueFn([], nestedTemplate, getterName)};`)
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}
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}
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var parsedTemplate =
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parser.parse(component.template.template, directives, component.type.name);
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var sourceExpression = commandCompiler.compileComponentCodeGen(
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component, parsedTemplate, changeDetectorFactoryExpressions, componentTemplateFactory);
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testDeclarations.forEach(decl => sourceExpression.declarations.push(decl));
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var testableModule = createTestableModule(sourceExpression).getSourceWithImports();
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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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}
|
|
visitNgContent(cmd: NgContentCmd, context: any): any {
|
|
this.result.push([NG_CONTENT, cmd.ngContentIndex]);
|
|
return null;
|
|
}
|
|
visitBeginElement(cmd: BeginElementCmd, context: any): any {
|
|
this.result.push([
|
|
BEGIN_ELEMENT,
|
|
cmd.name,
|
|
cmd.attrNameAndValues,
|
|
cmd.eventTargetAndNames,
|
|
cmd.variableNameAndValues,
|
|
cmd.directives.map(checkAndStringifyType),
|
|
cmd.isBound,
|
|
cmd.ngContentIndex
|
|
]);
|
|
return null;
|
|
}
|
|
visitEndElement(context: any): any {
|
|
this.result.push([END_ELEMENT]);
|
|
return null;
|
|
}
|
|
visitBeginComponent(cmd: BeginComponentCmd, context: any): any {
|
|
this.result.push([
|
|
BEGIN_COMPONENT,
|
|
cmd.name,
|
|
cmd.attrNameAndValues,
|
|
cmd.eventTargetAndNames,
|
|
cmd.variableNameAndValues,
|
|
cmd.directives.map(checkAndStringifyType),
|
|
serializeEnum(cmd.encapsulation),
|
|
cmd.ngContentIndex,
|
|
cmd.templateId
|
|
]);
|
|
return null;
|
|
}
|
|
visitEndComponent(context: any): any {
|
|
this.result.push([END_COMPONENT]);
|
|
return null;
|
|
}
|
|
visitEmbeddedTemplate(cmd: EmbeddedTemplateCmd, context: any): any {
|
|
this.result.push([
|
|
EMBEDDED_TEMPLATE,
|
|
cmd.attrNameAndValues,
|
|
cmd.variableNameAndValues,
|
|
cmd.directives.map(checkAndStringifyType),
|
|
cmd.isMerged,
|
|
cmd.ngContentIndex,
|
|
cmd.changeDetectorFactory(null),
|
|
humanize(cmd.children)
|
|
]);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function createTestableModule(source: SourceExpression): SourceModule {
|
|
var resultExpression = `${THIS_MODULE_REF}humanize(${source.expression})`;
|
|
var testableSource = `${source.declarations.join('\n')}
|
|
${codeGenValueFn(['_'], resultExpression, '_run')};
|
|
${codeGenExportVariable('run')}_run;
|
|
`;
|
|
return new SourceModule(null, testableSource);
|
|
}
|