kmx.io/prism.js/tests/testrunner-tests.js

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• Hash : 9cae4461
  Author :
  Date : 2021-04-17T22:26:40
  

  ESLint: Added quotes rule (#2835)

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• tests/testrunner-tests.js

• 'use strict';
  
  const { assert } = require('chai');
  const TokenStreamTransformer = require('./helper/token-stream-transformer');
  const TestCase = require('./helper/test-case');
  
  
  describe('The token stream transformer', function () {
  
  	it('should handle all kinds of simple transformations', function () {
  		const tokens = [
  			{ type: 'type', content: 'content' },
  			'string'
  		];
  
  		const expected = [
  			['type', 'content'],
  			'string'
  		];
  
  		assert.deepEqual(TokenStreamTransformer.simplify(tokens), expected);
  	});
  
  
  	it('should handle nested structures', function () {
  		const tokens = [
  			{
  				type: 'type',
  				content: [
  					{
  						type: 'insideType',
  						content: [
  							{ type: 'insideInsideType', content: 'content' }
  						]
  					}
  				]
  			}
  		];
  
  		const expected = [
  			['type', [
  				['insideType', [
  					['insideInsideType', 'content']
  				]]
  			]]
  		];
  
  		assert.deepEqual(TokenStreamTransformer.simplify(tokens), expected);
  	});
  
  
  	it('should strip empty tokens', function () {
  		const tokenStream = [
  			'',
  			'\r\n',
  			'\t',
  			' '
  		];
  
  		const expectedSimplified = [];
  
  		assert.deepEqual(TokenStreamTransformer.simplify(tokenStream), expectedSimplified);
  	});
  
  
  	it('should strip empty token tree branches', function () {
  		const tokenStream = [
  			{
  				type: 'type',
  				content: [
  					'',
  					{ type: 'nested', content: [''] },
  					''
  				]
  			},
  			''
  		];
  
  		const expectedSimplified = [
  			['type', [
  				['nested', []]
  			]]
  		];
  
  		assert.deepEqual(TokenStreamTransformer.simplify(tokenStream), expectedSimplified);
  	});
  
  
  	it('should ignore all properties in tokens except value and content', function () {
  
  		const tokenStream = [
  			{ type: 'type', content: 'content', alias: 'alias' }
  		];
  
  		const expectedSimplified = [
  			['type', 'content']
  		];
  
  		assert.deepEqual(TokenStreamTransformer.simplify(tokenStream), expectedSimplified);
  	});
  });
  
  describe('The language name parsing', function () {
  
  	it('should use the last language as the main language if no language is specified', function () {
  		assert.deepEqual(
  			TestCase.parseLanguageNames('a'),
  			{
  				languages: ['a'],
  				mainLanguage: 'a'
  			}
  		);
  
  		assert.deepEqual(
  			TestCase.parseLanguageNames('a+b+c'),
  			{
  				languages: ['a', 'b', 'c'],
  				mainLanguage: 'c'
  			}
  		);
  	});
  
  
  	it('should use the specified language as main language', function () {
  		assert.deepEqual(
  			TestCase.parseLanguageNames('a+b!+c'),
  			{
  				languages: ['a', 'b', 'c'],
  				mainLanguage: 'b'
  			}
  		);
  	});
  
  
  	it('should throw an error if there are multiple main languages', function () {
  		assert.throw(
  			() => {
  				TestCase.parseLanguageNames('a+b!+c!');
  			},
  			'There are multiple main languages defined.'
  		);
  	});
  });
  

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