angular-docs-cn/modules/@angular/common/test/pipes/uppercase_pipe_spec.ts

45 lines
952 B
TypeScript

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