medains

Keybase proof

I hereby claim:

• I am medains on github.
• I am medains (https://keybase.io/medains) on keybase.
• I have a public key ASAqt8by4kX9Qy9JGz0Ywl_0ZjMt1hoK8vBnohcP-3NoqAo

To claim this, I am signing this object:

medains

function checkDef( val ) {
    if( val === undefined ) {
        throw new Error( 'Number out of range' );
    }
}
function _doConvert( arabic, single, five, ten ) {
    var i = parseInt( arabic, 10 );
    switch( i ) {
        case 1: return single;
        case 2: return single + single;

medains

      it( 'returns errors', function(){
          assert.equal( 'Number out of range', app.convertArabicToRoman( '4000' ), '4000 error not shown' );
          assert.equal( 'Number out of range', app.convertArabicToRoman( '-1' ), '-1 error not shown' );
          assert.equal( 'Cannot convert', app.convertArabicToRoman( 'dsfa' ), 'string error not shown' );
          assert.equal( 'Cannot convert', app.convertArabicToRoman( '7 years' ), 'string error not shown' );
      });

medains

function _doConvert( arabic, single, five, ten ) {
    var i = parseInt( arabic, 10 );
    switch( i ) {
        case 1: return single;
        case 2: return single + single;
        case 3: return single + single + single;
        case 4: return single + five;
        case 5: return five;
        case 6: return five + single;
        case 7: return five + single + single;

medains

      it( 'converts tens', function(){
          assert.equal( 'X',    app.convertArabicToRoman( '10' ), '10 != X' );
          assert.equal( 'XX',   app.convertArabicToRoman( '20' ), '20 != XX' );
          assert.equal( 'XXX',  app.convertArabicToRoman( '30' ), '30 != XXX' );
          assert.equal( 'XL',   app.convertArabicToRoman( '40' ), '40 != XL' );
          assert.equal( 'L',    app.convertArabicToRoman( '50' ), '50 != L' );
          assert.equal( 'LX',   app.convertArabicToRoman( '60' ), '60 != LX' );
          assert.equal( 'LXX',  app.convertArabicToRoman( '70' ), '70 != LXX' );
          assert.equal( 'LXXX', app.convertArabicToRoman( '80' ), '80 != LXXX' );
          assert.equal( 'XC',   app.convertArabicToRoman( '90' ), '90 != XC' );

medains

var App = {
    ...
    convertArabicToRoman = function( arabic ) {
    var i = parseInt( arabic, 10 );
      switch( i ) {
          case 1: return "I";
          case 2: return "II";
          case 3: return "III";
          case 4: return "IV";
          case 5: return "V";

medains

      it( 'converts single digits', function(){
          assert.equal( '', app.convertArabicToRoman( '0' ), '0 != ""' );
          assert.equal( 'I', app.convertArabicToRoman( '1' ), '1 != I' );
          assert.equal( 'II', app.convertArabicToRoman( '2' ), '2 != II' );
          assert.equal( 'III', app.convertArabicToRoman( '3' ), '3 != II' );
          assert.equal( 'IV', app.convertArabicToRoman( '4' ), '4 != IV' );
          assert.equal( 'V', app.convertArabicToRoman( '5' ), '5 != V' );
          assert.equal( 'VI', app.convertArabicToRoman( '6' ), '6 != VI' );
          assert.equal( 'VII', app.convertArabicToRoman( '7' ), '7 != VII' );
          assert.equal( 'VIII', app.convertArabicToRoman( '8' ), '8 != VIII' );

medains

var App = {
    ...
    convertArabicToRoman: function(v) {
        return v;
    },
    action: function(e) {
        var self = this;
        self.fetchInput( function(value) {
            var out = self.convertArabicToRoman( value );
            self.writeOutput( out, function(){} );

medains

describe( 'App', function(){
  afterEach(function(){
        for( element in app ) {
          if( app[element].restore ) {
              app[element].restore();
          }
        }
    });
  ...
});

medains

  describe('action', function() {
      it('reads from input, convert and writes to output', function(){
          app.fetchInput = sinon.stub().yields( 23 );
          app.writeOutput = sinon.stub().yields();
          app.convertArabicToRoman = sinon.stub().returns('IV');
          var e = {
              stop: sinon.stub()
          };
          app.action( e );
          sinon.assert.callCount( app.fetchInput, 1 );