139 lines
4.1 KiB
TypeScript
139 lines
4.1 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {LowerCasePipe, TitleCasePipe, UpperCasePipe} from '@angular/common';
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{
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describe('LowerCasePipe', () => {
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let pipe: LowerCasePipe;
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beforeEach(() => {
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pipe = new LowerCasePipe();
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});
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it('should return lowercase', () => {
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expect(pipe.transform('FOO')).toEqual('foo');
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});
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it('should lowercase when there is a new value', () => {
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expect(pipe.transform('FOO')).toEqual('foo');
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expect(pipe.transform('BAr')).toEqual('bar');
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});
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it('should map null to null', () => {
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expect(pipe.transform(null)).toEqual(null);
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});
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it('should map undefined to null', () => {
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expect(pipe.transform(undefined)).toEqual(null);
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});
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it('should not support numbers', () => {
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expect(() => pipe.transform(0 as any)).toThrowError();
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});
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it('should not support other objects', () => {
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expect(() => pipe.transform({} as any)).toThrowError();
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});
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});
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describe('TitleCasePipe', () => {
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let pipe: TitleCasePipe;
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beforeEach(() => {
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pipe = new TitleCasePipe();
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});
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it('should return titlecase', () => {
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expect(pipe.transform('foo')).toEqual('Foo');
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});
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it('should return titlecase for subsequent words', () => {
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expect(pipe.transform('one TWO Three fouR')).toEqual('One Two Three Four');
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});
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it('should support empty strings', () => {
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expect(pipe.transform('')).toEqual('');
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});
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it('should persist whitespace', () => {
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expect(pipe.transform('one two')).toEqual('One Two');
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});
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it('should titlecase when there is a new value', () => {
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expect(pipe.transform('bar')).toEqual('Bar');
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expect(pipe.transform('foo')).toEqual('Foo');
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});
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it('should not capitalize letter after the quotes', () => {
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expect(pipe.transform('it\'s complicated')).toEqual('It\'s Complicated');
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});
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it('should not treat non-space character as a separator', () => {
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expect(pipe.transform('one,two,three')).toEqual('One,two,three');
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expect(pipe.transform('true|false')).toEqual('True|false');
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expect(pipe.transform('foo-vs-bar')).toEqual('Foo-vs-bar');
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});
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it('should support support all whitespace characters', () => {
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expect(pipe.transform('one\ttwo')).toEqual('One\tTwo');
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expect(pipe.transform('three\rfour')).toEqual('Three\rFour');
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expect(pipe.transform('five\nsix')).toEqual('Five\nSix');
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});
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it('should work properly for non-latin alphabet', () => {
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expect(pipe.transform('føderation')).toEqual('Føderation');
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expect(pipe.transform('poniedziałek')).toEqual('Poniedziałek');
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expect(pipe.transform('éric')).toEqual('Éric');
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});
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it('should map null to null', () => {
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expect(pipe.transform(null)).toEqual(null);
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});
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it('should map undefined to null', () => {
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expect(pipe.transform(undefined)).toEqual(null);
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});
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it('should not support numbers', () => {
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expect(() => pipe.transform(0 as any)).toThrowError();
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});
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it('should not support other objects', () => {
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expect(() => pipe.transform({} as any)).toThrowError();
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});
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});
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describe('UpperCasePipe', () => {
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let pipe: UpperCasePipe;
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beforeEach(() => {
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pipe = new UpperCasePipe();
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});
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it('should return uppercase', () => {
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expect(pipe.transform('foo')).toEqual('FOO');
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});
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it('should uppercase when there is a new value', () => {
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expect(pipe.transform('foo')).toEqual('FOO');
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expect(pipe.transform('bar')).toEqual('BAR');
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});
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it('should map null to null', () => {
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expect(pipe.transform(null)).toEqual(null);
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});
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it('should map undefined to null', () => {
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expect(pipe.transform(undefined)).toEqual(null);
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});
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it('should not support numbers', () => {
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expect(() => pipe.transform(0 as any)).toThrowError();
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});
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it('should not support other objects', () => {
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expect(() => pipe.transform({} as any)).toThrowError();
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});
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});
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}
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