test-cases.js

'use strict';

import assert from 'assert'
import fs from 'fs'
import path from 'path'
import FileSystemLoader from '../src/file-system-loader'

let normalize = ( str ) => {
  return str.replace( /\r\n?/g, '\n' );
}

const pipelines = {
  'test-cases': undefined,
  'cssi': []
}

Object.keys( pipelines ).forEach( dirname => {
  describe( dirname, () => {
    let testDir = path.join( __dirname, dirname )
    fs.readdirSync( testDir ).forEach( testCase => {
      if ( fs.existsSync( path.join( testDir, testCase, 'source.css' ) ) ) {
        it( 'should ' + testCase.replace( /-/g, ' ' ), done => {
          let expected = normalize( fs.readFileSync( path.join( testDir, testCase, 'expected.css' ), 'utf-8' ) )
          let loader = new FileSystemLoader( testDir, pipelines[dirname] )
          let expectedTokens = JSON.parse( fs.readFileSync( path.join( testDir, testCase, 'expected.json' ), 'utf-8' ) )
          loader.fetch( `${testCase}/source.css`, '/' ).then( tokens => {
            assert.equal( loader.finalSource, expected )
            assert.equal( JSON.stringify( tokens ), JSON.stringify( expectedTokens ) )
          } ).then( done, done )
        } );
      }
    } );
  } );
} )

// special case for testing multiple sources
describe( 'multiple sources', () => {
  let testDir = path.join( __dirname, 'test-cases' )
  let testCase = 'multiple-sources';
  let dirname = 'test-cases';
  if ( fs.existsSync( path.join( testDir, testCase, 'source1.css' ) ) ) {
    it( 'should ' + testCase.replace( /-/g, ' ' ), done => {
      let expected = normalize( fs.readFileSync( path.join( testDir, testCase, 'expected.css' ), 'utf-8' ) )
      let loader = new FileSystemLoader( testDir, pipelines[dirname] )
      let expectedTokens = JSON.parse( fs.readFileSync( path.join( testDir, testCase, 'expected.json' ), 'utf-8' ) )
      loader.fetch( `${testCase}/source1.css`, '/' ).then( tokens1 => {
        loader.fetch( `${testCase}/source2.css`, '/' ).then( tokens2 => {
          assert.equal( loader.finalSource, expected )
          const tokens = Object.assign({}, tokens1, tokens2);
          assert.equal( JSON.stringify( tokens ), JSON.stringify( expectedTokens ) )
        } ).then( done, done )
      })
    } );
  }
} );