require 'should'

Handlebars = require 'handlebars'
Swag = require '../lib/swag'

context =
    value: 5

Swag.registerHelpers Handlebars

describe 'add', ->
    describe '{{add value 5}}', ->
        it 'should return the sum of two numbers.', ->
            source   = '{{add value 5}}'
            template = Handlebars.compile(source)

            template(context).should.equal '10'

describe 'subtract', ->
    describe '{{subtract value 5}}', ->
        it 'should return the difference of two numbers.', ->
            source   = '{{subtract value 5}}'
            template = Handlebars.compile(source)

            template(context).should.equal '0'

describe 'divide', ->
    describe '{{divide value 5}}', ->
        it 'should return the division of two numbers.', ->
            source   = '{{divide value 5}}'
            template = Handlebars.compile(source)

            template(context).should.equal '1'

describe 'multiply', ->
    describe '{{multiply value 5}}', ->
        it 'should return the multiplication of two numbers.', ->
            source   = '{{multiply value 5}}'
            template = Handlebars.compile(source)

            template(context).should.equal '25'

describe 'floor', ->
    describe '{{floor 5}}', ->
        it 'should return the value rounded down to the nearest integer.', ->
            source   = '{{floor value}}'
            template = Handlebars.compile(source)

            template(context = value: 5.6).should.equal '5'

describe 'ceil', ->
    describe '{{ceil 5}}', ->
        it 'should return the value rounded up to the nearest integer.', ->
            source   = '{{ceil value}}'
            template = Handlebars.compile(source)

            template(context = value: 5.6).should.equal '6'

describe 'round', ->
    describe '{{round 5}}', ->
        it 'should return the value rounded to the nearest integer.', ->
            source   = '{{round value}}'
            template = Handlebars.compile(source)

            template(context = value: 5.69).should.equal '6'