angular-cn/modules/angular2/test/change_detection/pipes/lowercase_pipe_spec.ts

36 lines
948 B
TypeScript

import {ddescribe, describe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib';
import {LowerCasePipe} from 'angular2/src/change_detection/pipes/lowercase_pipe';
export function main() {
describe("LowerCasePipe", () => {
var upper;
var lower;
var pipe;
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(new Object())).toThrowError(); });
});
});
}