import { LanguageIconPipe } from './language-icon.pipe' ; import { Pipe , PipeTransform } from '@angular/core' ; /**
 * Unit tests for IsDefinedPipe including tests for
 * IsDefinedPipe.transform() and tests where the pipe
 * is integrated into a template.
 */ describe ( 'LanguageIconPipe' , ( ) => { let pipe ; beforeEach ( ( ) => { pipe = new LanguageIconPipe ( ) ; } ) ; describe ( 'parameterize' , ( ) => { it ( 'returns a lowercased version of the argument' , ( ) => { let value = 'CoolValue' ; expect ( pipe . parameterize ( value ) ) . toEqual ( 'coolvalue' ) ; } ) ; it ( 'returns a underscored version of the argument' , ( ) => { let value = 'Cool Value' ; expect ( pipe . parameterize ( value ) ) . toEqual ( 'cool_value' ) ; } ) ; } ) ; describe ( 'transform' , ( ) => { it ( 'returns code_badge if the argument is not defined in LANGUAGES' , ( ) => { let value = 'made up language' ; expect ( pipe . transform ( value ) ) . toEqual ( 'code_badge' ) ; } ) ; it ( 'returns css3 if css is the argument value' , ( ) => { let value = 'css' ; expect ( pipe . transform ( value ) ) . toEqual ( 'css3' ) ; } ) ; it ( 'returns html5 if html is the argument value' , ( ) => { let value = 'html' ; expect ( pipe . transform ( value ) ) . toEqual ( 'html5' ) ; } ) ; it ( 'returns a Language if the argument is defined in LANGUAGES' , ( ) => { let value = 'python' ; expect ( pipe . transform ( value ) ) . toEqual ( 'python' ) ; } ) ; } ) ; } ) ;