angular-cn/modules/@angular/common/test/pipes/lowercase_pipe_spec.ts

35 lines
959 B
TypeScript

import {LowerCasePipe} from '@angular/common';
import {afterEach, beforeEach, ddescribe, describe, expect, iit, it, xit} from '@angular/core/testing/testing_internal';
export function main() {
describe('LowerCasePipe', () => {
var upper: string;
var lower: string;
var pipe: LowerCasePipe;
beforeEach(() => {
lower = 'something';
upper = 'SOMETHING';
pipe = new LowerCasePipe();
});
describe('transform', () => {
it('should return lowercase', () => {
var val = pipe.transform(upper);
expect(val).toEqual(lower);
});
it('should lowercase when there is a new value', () => {
var val = pipe.transform(upper);
expect(val).toEqual(lower);
var val2 = pipe.transform('WAT');
expect(val2).toEqual('wat');
});
it('should not support other objects',
() => { expect(() => pipe.transform(<any>{})).toThrowError(); });
});
});
}