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163 lines (139 loc) · 5.69 KB
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import {describe, xit, it, expect, beforeEach, ddescribe, iit, el} from 'angular2/test_lib';
import {DOM} from 'angular2/src/facade/dom';
import {Injector} from 'angular2/di';
import {Lexer, Parser, dynamicChangeDetection} from 'angular2/change_detection';
import {Compiler, CompilerCache} from 'angular2/src/core/compiler/compiler';
import {DirectiveMetadataReader} from 'angular2/src/core/compiler/directive_metadata_reader';
import {NativeShadowDomStrategy} from 'angular2/src/core/compiler/shadow_dom_strategy';
import {Component} from 'angular2/src/core/annotations/annotations';
import {TemplateConfig} from 'angular2/src/core/annotations/template_config';
import {Switch, SwitchWhen, SwitchDefault} from 'angular2/src/directives/switch';
export function main() {
describe('switch', () => {
var view, cd, compiler, component;
beforeEach(() => {
compiler = new Compiler(dynamicChangeDetection, null, new DirectiveMetadataReader(),
new Parser(new Lexer()), new CompilerCache(), new NativeShadowDomStrategy());
});
function createView(pv) {
component = new TestComponent();
view = pv.instantiate(null);
view.hydrate(new Injector([]), null, component);
cd = view.changeDetector;
}
function compileWithTemplate(template) {
return compiler.compile(TestComponent, el(template));
}
describe('switch value changes', () => {
it('should switch amongst when values', (done) => {
var template = '<div>' +
'<ul [switch]="switchValue">' +
'<template [switch-when]="\'a\'"><li>when a</li></template>' +
'<template [switch-when]="\'b\'"><li>when b</li></template>' +
'</ul></div>';
compileWithTemplate(template).then((pv) => {
createView(pv);
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('');
component.switchValue = 'a';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when a');
component.switchValue = 'b';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when b');
done();
});
});
it('should switch amongst when values with fallback to default', (done) => {
var template = '<div>' +
'<ul [switch]="switchValue">' +
'<li template="switch-when \'a\'">when a</li>' +
'<li template="switch-default">when default</li>' +
'</ul></div>';
compileWithTemplate(template).then((pv) => {
createView(pv);
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when default');
component.switchValue = 'a';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when a');
component.switchValue = 'b';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when default');
done();
});
});
it('should support multiple whens with the same value', (done) => {
var template = '<div>' +
'<ul [switch]="switchValue">' +
'<template [switch-when]="\'a\'"><li>when a1;</li></template>' +
'<template [switch-when]="\'b\'"><li>when b1;</li></template>' +
'<template [switch-when]="\'a\'"><li>when a2;</li></template>' +
'<template [switch-when]="\'b\'"><li>when b2;</li></template>' +
'<template [switch-default]><li>when default1;</li></template>' +
'<template [switch-default]><li>when default2;</li></template>' +
'</ul></div>';
compileWithTemplate(template).then((pv) => {
createView(pv);
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when default1;when default2;');
component.switchValue = 'a';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when a1;when a2;');
component.switchValue = 'b';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when b1;when b2;');
done();
});
});
});
describe('when values changes', () => {
it('should switch amongst when values', (done) => {
var template = '<div>' +
'<ul [switch]="switchValue">' +
'<template [switch-when]="when1"><li>when 1;</li></template>' +
'<template [switch-when]="when2"><li>when 2;</li></template>' +
'<template [switch-default]><li>when default;</li></template>' +
'</ul></div>';
compileWithTemplate(template).then((pv) => {
createView(pv);
component.when1 = 'a';
component.when2 = 'b';
component.switchValue = 'a';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when 1;');
component.switchValue = 'b';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when 2;');
component.switchValue = 'c';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when default;');
component.when1 = 'c';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when 1;');
component.when1 = 'd';
cd.detectChanges();
expect(DOM.getText(view.nodes[0])).toEqual('when default;');
done();
});
});
});
});
}
@Component({
selector: 'test-cmp',
template: new TemplateConfig({
inline: '', // each test swaps with a custom template.
directives: [Switch, SwitchWhen, SwitchDefault]
})
})
class TestComponent {
switchValue: any;
when1: any;
when2: any;
constructor() {
this.switchValue = null;
this.when1 = null;
this.when2 = null;
}
}