angular-docs-cn/modules/upgrade/test/metadata_spec.ts

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import {
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xdescribe,
xit,
} from 'angular2/test_lib';
import {Component, View} from 'angular2/angular2';
import {getComponentSelector} from 'upgrade/src/metadata';
export function main() {
describe('upgrade metadata', () => {
it('should extract component selector',
() => { expect(getComponentSelector(ElementNameComponent)).toEqual('elementNameDashed'); });
describe('errors', () => {
it('should throw on missing selector', () => {
expect(() => getComponentSelector(AttributeNameComponent))
.toThrowErrorWith(
"Only selectors matching element names are supported, got: [attr-name]");
});
it('should throw on non element names', () => {
expect(() => getComponentSelector(NoAnnotationComponent))
.toThrowErrorWith("No Directive annotation found on NoAnnotationComponent");
});
});
});
}
@Component({selector: 'element-name-dashed'})
@View({template: ``})
class ElementNameComponent {
}
@Component({selector: '[attr-name]'})
@View({template: ``})
class AttributeNameComponent {
}
class NoAnnotationComponent {}