angular-docs-cn/modules/angular2/test/common/pipes/lowercase_pipe_spec.ts

45 lines
937 B
TypeScript

import {
ddescribe,
describe,
it,
iit,
xit,
expect,
beforeEach,
afterEach
} from 'angular2/testing_internal';
import {LowerCasePipe} from 'angular2/core';
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(); });
});
});
}