angular-cn/packages/common/test/pipes/case_conversion_pipes_spec.ts

89 lines
3.1 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {LowerCasePipe, TitleCasePipe, UpperCasePipe} from '@angular/common';
{
describe('LowerCasePipe', () => {
let pipe: LowerCasePipe;
beforeEach(() => { pipe = new LowerCasePipe(); });
it('should return lowercase', () => { expect(pipe.transform('FOO')).toEqual('foo'); });
it('should lowercase when there is a new value', () => {
expect(pipe.transform('FOO')).toEqual('foo');
expect(pipe.transform('BAr')).toEqual('bar');
});
it('should not support other objects',
() => { expect(() => pipe.transform(<any>{})).toThrowError(); });
});
describe('TitleCasePipe', () => {
let pipe: TitleCasePipe;
beforeEach(() => { pipe = new TitleCasePipe(); });
it('should return titlecase', () => { expect(pipe.transform('foo')).toEqual('Foo'); });
it('should return titlecase for subsequent words',
() => { expect(pipe.transform('one TWO Three fouR')).toEqual('One Two Three Four'); });
it('should support empty strings', () => { expect(pipe.transform('')).toEqual(''); });
it('should persist whitespace',
() => { expect(pipe.transform('one two')).toEqual('One Two'); });
it('should titlecase when there is a new value', () => {
expect(pipe.transform('bar')).toEqual('Bar');
expect(pipe.transform('foo')).toEqual('Foo');
});
it('should not capitalize letter after the quotes',
() => { expect(pipe.transform('it\'s complicated')).toEqual('It\'s Complicated'); });
it('should not treat non-space character as a separator', () => {
expect(pipe.transform('one,two,three')).toEqual('One,two,three');
expect(pipe.transform('true|false')).toEqual('True|false');
expect(pipe.transform('foo-vs-bar')).toEqual('Foo-vs-bar');
});
it('should support support all whitespace characters', () => {
expect(pipe.transform('one\ttwo')).toEqual('One\tTwo');
expect(pipe.transform('three\rfour')).toEqual('Three\rFour');
expect(pipe.transform('five\nsix')).toEqual('Five\nSix');
});
it('should work properly for non-latin alphabet', () => {
expect(pipe.transform('føderation')).toEqual('Føderation');
expect(pipe.transform('poniedziałek')).toEqual('Poniedziałek');
expect(pipe.transform('éric')).toEqual('Éric');
});
it('should not support other objects',
() => { expect(() => pipe.transform(<any>{})).toThrowError(); });
});
describe('UpperCasePipe', () => {
let pipe: UpperCasePipe;
beforeEach(() => { pipe = new UpperCasePipe(); });
it('should return uppercase', () => { expect(pipe.transform('foo')).toEqual('FOO'); });
it('should uppercase when there is a new value', () => {
expect(pipe.transform('foo')).toEqual('FOO');
expect(pipe.transform('bar')).toEqual('BAR');
});
it('should not support other objects',
() => { expect(() => pipe.transform(<any>{})).toThrowError(); });
});
}