120 lines
4.5 KiB
TypeScript
120 lines
4.5 KiB
TypeScript
import {
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beforeEach,
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ddescribe,
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describe,
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el,
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expect,
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iit,
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it,
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} from 'angular2/testing_internal';
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import {stringify} from 'angular2/src/facade/lang';
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import {MockViewResolver} from 'angular2/src/mock/view_resolver_mock';
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import {Component, ViewMetadata} from 'angular2/src/core/metadata';
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import {isBlank} from 'angular2/src/facade/lang';
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export function main() {
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describe('MockViewResolver', () => {
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var viewResolver: MockViewResolver;
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beforeEach(() => { viewResolver = new MockViewResolver(); });
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describe('View overriding', () => {
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it('should fallback to the default ViewResolver when templates are not overridden', () => {
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('template');
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expect(view.directives).toEqual([SomeDirective]);
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});
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it('should allow overriding the @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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expect(isBlank(view.directives)).toBe(true);
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});
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it('should not allow overriding a view after it has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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expect(() => {
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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})
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.toThrowError(
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`The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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});
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});
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describe('inline template definition overriding', () => {
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it('should allow overriding the default template', () => {
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viewResolver.setInlineTemplate(SomeComponent, 'overridden template');
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template');
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expect(view.directives).toEqual([SomeDirective]);
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});
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it('should allow overriding an overridden @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({template: 'overridden template'}));
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viewResolver.setInlineTemplate(SomeComponent, 'overridden template x 2');
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var view = viewResolver.resolve(SomeComponent);
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expect(view.template).toEqual('overridden template x 2');
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});
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it('should not allow overriding a view after it has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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expect(() => { viewResolver.setInlineTemplate(SomeComponent, 'overridden template'); })
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.toThrowError(
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`The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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});
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});
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describe('Directive overriding', () => {
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it('should allow overriding a directive from the default view', () => {
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viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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var view = viewResolver.resolve(SomeComponent);
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expect(view.directives.length).toEqual(1);
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expect(view.directives[0]).toBe(SomeOtherDirective);
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});
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it('should allow overriding a directive from an overridden @View', () => {
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viewResolver.setView(SomeComponent, new ViewMetadata({directives: [SomeOtherDirective]}));
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viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeComponent);
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var view = viewResolver.resolve(SomeComponent);
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expect(view.directives.length).toEqual(1);
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expect(view.directives[0]).toBe(SomeComponent);
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});
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it('should throw when the overridden directive is not present', () => {
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viewResolver.overrideViewDirective(SomeComponent, SomeOtherDirective, SomeDirective);
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expect(() => { viewResolver.resolve(SomeComponent); })
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.toThrowError(
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`Overriden directive ${stringify(SomeOtherDirective)} not found in the template of ${stringify(SomeComponent)}`);
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});
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it('should not allow overriding a directive after its view has been resolved', () => {
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viewResolver.resolve(SomeComponent);
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expect(() => {
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viewResolver.overrideViewDirective(SomeComponent, SomeDirective, SomeOtherDirective);
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})
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.toThrowError(
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`The component ${stringify(SomeComponent)} has already been compiled, its configuration can not be changed`);
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});
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});
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});
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}
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class SomeDirective {}
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@Component({
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selector: 'cmp',
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template: 'template',
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directives: [SomeDirective],
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})
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class SomeComponent {
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}
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class SomeOtherDirective {}
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