273 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			273 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {describe, beforeEach, it, xit, expect, iit, ddescribe, el} from 'angular2/test_lib';
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import {isPresent, isBlank, assertionsEnabled, IMPLEMENTS} from 'angular2/src/facade/lang';
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import {ListWrapper, MapWrapper, StringMapWrapper} from 'angular2/src/facade/collection';
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import {DOM} from 'angular2/src/dom/dom_adapter';
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import {DirectiveParser} from 'angular2/src/render/dom/compiler/directive_parser';
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import {CompilePipeline} from 'angular2/src/render/dom/compiler/compile_pipeline';
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import {CompileStep} from 'angular2/src/render/dom/compiler/compile_step';
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import {CompileElement} from 'angular2/src/render/dom/compiler/compile_element';
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import {CompileControl} from 'angular2/src/render/dom/compiler/compile_control';
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import {ViewDefinition, DirectiveMetadata} from 'angular2/src/render/api';
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import {Lexer, Parser} from 'angular2/change_detection';
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import {ElementBinderBuilder} from 'angular2/src/render/dom/view/proto_view_builder';
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export function main() {
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  describe('DirectiveParser', () => {
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    var parser, annotatedDirectives;
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    beforeEach(() => {
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      annotatedDirectives = [
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        someComponent,
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        someComponent2,
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        someDirective,
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        someDirectiveIgnoringChildren,
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        decoratorWithMultipleAttrs,
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        someDirectiveWithProps,
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        someDirectiveWithHostProperties,
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        someDirectiveWithHostAttributes,
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        someDirectiveWithEvents,
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        someDirectiveWithGlobalEvents,
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        someDirectiveWithHostActions
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      ];
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      parser = new Parser(new Lexer());
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    });
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    function createPipeline(propertyBindings = null, directives = null) {
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      if (isBlank(directives)) directives = annotatedDirectives;
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      return new CompilePipeline([
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        new MockStep((parent, current, control) => {
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          if (isPresent(propertyBindings)) {
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            StringMapWrapper.forEach(propertyBindings, (ast, name) => {
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              current.bindElement().bindProperty(name, ast);
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            });
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          }
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        }),
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        new DirectiveParser(parser, directives)
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      ]);
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    }
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    function process(el, propertyBindings = null, directives = null): List<ElementBinderBuilder> {
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      var pipeline = createPipeline(propertyBindings, directives);
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      return ListWrapper.map(pipeline.process(el), (ce) => ce.inheritedElementBinder);
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    }
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    it('should not add directives if they are not used', () => {
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      var results = process(el('<div></div>'));
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      expect(results[0]).toBe(null);
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    });
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    it('should detect directives in attributes', () => {
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      var results = process(el('<div some-decor></div>'));
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      expect(results[0].directives[0].directiveIndex)
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          .toBe(annotatedDirectives.indexOf(someDirective));
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    });
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    it('should detect directives with multiple attributes', () => {
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      var results = process(el('<input type=text control=one></input>'));
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      expect(results[0].directives[0].directiveIndex)
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          .toBe(annotatedDirectives.indexOf(decoratorWithMultipleAttrs));
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    });
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    it('should compile children by default', () => {
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      var results = createPipeline().process(el('<div some-decor></div>'));
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      expect(results[0].compileChildren).toEqual(true);
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    });
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    it('should stop compiling children when specified in the directive config', () => {
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      var results = createPipeline().process(el('<div some-decor-ignoring-children></div>'));
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      expect(results[0].compileChildren).toEqual(false);
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    });
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    it('should bind directive properties from bound properties', () => {
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      var results = process(el('<div some-decor-props></div>'),
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                            {'elProp': parser.parseBinding('someExpr', '')});
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      var directiveBinding = results[0].directives[0];
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      expect(MapWrapper.get(directiveBinding.propertyBindings, 'dirProp').source)
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          .toEqual('someExpr');
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    });
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    it('should bind directive properties with pipes', () => {
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      var results = process(el('<div some-decor-props></div>'),
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                            {'elProp': parser.parseBinding('someExpr', '')});
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      var directiveBinding = results[0].directives[0];
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      var pipedProp = <any>MapWrapper.get(directiveBinding.propertyBindings, 'doubleProp');
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      var simpleProp = <any>MapWrapper.get(directiveBinding.propertyBindings, 'dirProp');
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      expect(pipedProp.ast.name).toEqual('double');
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      expect(pipedProp.ast.exp).toEqual(simpleProp.ast);
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      expect(simpleProp.source).toEqual('someExpr');
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    });
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    it('should bind directive properties from attribute values', () => {
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      var results = process(el('<div some-decor-props el-prop="someValue"></div>'));
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      var directiveBinding = results[0].directives[0];
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      var simpleProp = MapWrapper.get(directiveBinding.propertyBindings, 'dirProp');
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      expect(simpleProp.source).toEqual('someValue');
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    });
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    it('should bind host directive properties', () => {
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      var element = el('<input some-decor-with-host-props>');
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      var results = process(element);
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      var directiveBinding = results[0].directives[0];
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      var ast = MapWrapper.get(directiveBinding.hostPropertyBindings, 'hostProp');
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      expect(ast.source).toEqual('dirProp');
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    });
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    it('should set host element attributes', () => {
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      var element = el('<input some-decor-with-host-attrs>');
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      var results = process(element);
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      expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('attr_val');
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    });
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    it('should not set host element attribute if an attribute already exists', () => {
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      var element = el('<input attr_name="initial" some-decor-with-host-attrs>');
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      var results = process(element);
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      expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('initial');
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      DOM.removeAttribute(element, 'attr_name');
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      results = process(element);
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      expect(DOM.getAttribute(results[0].element, 'attr_name')).toEqual('attr_val');
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    });
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    it('should add CSS classes if "class" specified in host element attributes', () => {
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      var element = el('<input class="foo baz" some-decor-with-host-attrs>');
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      var results = process(element);
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      expect(DOM.hasClass(results[0].element, 'foo')).toBeTruthy();
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      expect(DOM.hasClass(results[0].element, 'bar')).toBeTruthy();
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      expect(DOM.hasClass(results[0].element, 'baz')).toBeTruthy();
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    });
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    it('should read attribute values', () => {
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      var element = el('<input some-decor-props some-attr="someValue">');
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      var results = process(element);
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      expect(MapWrapper.get(results[0].readAttributes, 'some-attr')).toEqual('someValue');
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    });
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    it('should bind directive events', () => {
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      var results = process(el('<div some-decor-events></div>'));
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      var directiveBinding = results[0].directives[0];
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      expect(directiveBinding.eventBindings.length).toEqual(1);
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      var eventBinding = directiveBinding.eventBindings[0];
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      expect(eventBinding.fullName).toEqual('click');
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      expect(eventBinding.source.source).toEqual('doIt()');
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    });
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    it('should bind directive global events', () => {
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      var results = process(el('<div some-decor-globalevents></div>'));
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      var directiveBinding = results[0].directives[0];
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      expect(directiveBinding.eventBindings.length).toEqual(1);
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      var eventBinding = directiveBinding.eventBindings[0];
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      expect(eventBinding.fullName).toEqual('window:resize');
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      expect(eventBinding.source.source).toEqual('doItGlobal()');
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    });
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    it('should bind directive host actions', () => {
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      var results = process(el('<div some-decor-host-actions></div>'));
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      var directiveBinding = results[0].directives[0];
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      expect(directiveBinding.hostActions[0].actionName).toEqual('focus');
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    });
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    // TODO: assertions should be enabled when running tests:
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    // https://github.com/angular/angular/issues/1340
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    describe('component directives', () => {
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      it('should save the component id', () => {
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        var results = process(el('<some-comp></some-comp>'));
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        expect(results[0].componentId).toEqual('someComponent');
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      });
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      it('should throw when the provided selector is not an element selector', () => {
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        expect(() => { createPipeline(null, [componentWithNonElementSelector]); })
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            .toThrowError(
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                `Component 'componentWithNonElementSelector' can only have an element selector, but had '[attr]'`);
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      });
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      it('should not allow multiple component directives on the same element', () => {
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        expect(() => {
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          process(el('<some-comp></some-comp>'), null, [someComponent, someComponentDup]);
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        }).toThrowError(new RegExp('Only one component directive is allowed per element'));
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      });
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      it('should sort the directives and store the component as the first directive', () => {
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        var results = process(el('<some-comp some-decor></some-comp>'));
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        expect(annotatedDirectives[results[0].directives[0].directiveIndex].id)
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            .toEqual('someComponent');
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        expect(annotatedDirectives[results[0].directives[1].directiveIndex].id)
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            .toEqual('someDirective');
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      });
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    });
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  });
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}
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class MockStep implements CompileStep {
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  processClosure: Function;
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  constructor(process) { this.processClosure = process; }
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  process(parent: CompileElement, current: CompileElement, control: CompileControl) {
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    this.processClosure(parent, current, control);
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  }
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}
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var someComponent = DirectiveMetadata.create(
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    {selector: 'some-comp', id: 'someComponent', type: DirectiveMetadata.COMPONENT_TYPE});
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var someComponentDup = DirectiveMetadata.create(
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    {selector: 'some-comp', id: 'someComponentDup', type: DirectiveMetadata.COMPONENT_TYPE});
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var someComponent2 = DirectiveMetadata.create(
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    {selector: 'some-comp2', id: 'someComponent2', type: DirectiveMetadata.COMPONENT_TYPE});
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var someDirective = DirectiveMetadata.create(
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    {selector: '[some-decor]', id: 'someDirective', type: DirectiveMetadata.DIRECTIVE_TYPE});
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var someDirectiveIgnoringChildren = DirectiveMetadata.create({
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  selector: '[some-decor-ignoring-children]',
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  compileChildren: false,
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  type: DirectiveMetadata.DIRECTIVE_TYPE
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});
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var decoratorWithMultipleAttrs = DirectiveMetadata.create({
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  selector: 'input[type=text][control]',
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  id: 'decoratorWithMultipleAttrs',
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  type: DirectiveMetadata.DIRECTIVE_TYPE
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});
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var someDirectiveWithProps = DirectiveMetadata.create({
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  selector: '[some-decor-props]',
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  properties: ['dirProp: elProp', 'doubleProp: elProp | double'],
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  readAttributes: ['some-attr']
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});
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var someDirectiveWithHostProperties = DirectiveMetadata.create({
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  selector: '[some-decor-with-host-props]',
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  host: MapWrapper.createFromStringMap({'[hostProp]': 'dirProp'})
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});
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var someDirectiveWithHostAttributes = DirectiveMetadata.create({
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  selector: '[some-decor-with-host-attrs]',
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  host: MapWrapper.createFromStringMap({'attr_name': 'attr_val', 'class': 'foo bar'})
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});
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var someDirectiveWithEvents = DirectiveMetadata.create(
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    {selector: '[some-decor-events]', host: MapWrapper.createFromStringMap({'(click)': 'doIt()'})});
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var someDirectiveWithHostActions = DirectiveMetadata.create({
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  selector: '[some-decor-host-actions]',
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  host: MapWrapper.createFromStringMap({'@focus': 'focus()'})
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});
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var someDirectiveWithGlobalEvents = DirectiveMetadata.create({
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  selector: '[some-decor-globalevents]',
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  host: MapWrapper.createFromStringMap({'(window:resize)': 'doItGlobal()'})
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});
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var componentWithNonElementSelector = DirectiveMetadata.create({
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  id: 'componentWithNonElementSelector',
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  selector: '[attr]',
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  type: DirectiveMetadata.COMPONENT_TYPE
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});
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