text: /*
   * Copyright 2017 resin.io
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  'use strict'
  
  const m = require('mochainon')
  const utils = require('../../lib/shared/utils')
  
  describe('Shared: Utils', function () {
    describe('.isValidPercentage()', function () {
      it('should return false if percentage is not a number', function () {
        m.chai.expect(utils.isValidPercentage('50')).to.be.false
      })
  
      it('should return false if percentage is null', function () {
        m.chai.expect(utils.isValidPercentage(null)).to.be.false
      })
  
      it('should return false if percentage is undefined', function () {
        m.chai.expect(utils.isValidPercentage(undefined)).to.be.false
      })
  
      it('should return false if percentage is an integer less than 0', function () {
        m.chai.expect(utils.isValidPercentage(-1)).to.be.false
      })
  
      it('should return false if percentage is a float less than 0', function () {
        m.chai.expect(utils.isValidPercentage(-0.1)).to.be.false
      })
  
      it('should return true if percentage is 0', function () {
        m.chai.expect(utils.isValidPercentage(0)).to.be.true
      })
  
      it('should return true if percentage is an integer greater than 0, but less than 100', function () {
        m.chai.expect(utils.isValidPercentage(50)).to.be.true
      })
  
      it('should return true if percentage is a float greater than 0, but less than 100', function () {
        m.chai.expect(utils.isValidPercentage(49.55)).to.be.true
      })
  
      it('should return true if percentage is 100', function () {
        m.chai.expect(utils.isValidPercentage(100)).to.be.true
      })
  
      it('should return false if percentage is an integer greater than 100', function () {
        m.chai.expect(utils.isValidPercentage(101)).to.be.false
      })
  
      it('should return false if percentage is a float greater than 100', function () {
        m.chai.expect(utils.isValidPercentage(100.001)).to.be.false
      })
    })
  
    describe('.percentageToFloat()', function () {
      it('should throw an error if given a string percentage', function () {
        m.chai.expect(function () {
          utils.percentageToFloat('50')
        }).to.throw('Invalid percentage: 50')
      })
  
      it('should throw an error if given a null percentage', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(null)
        }).to.throw('Invalid percentage: null')
      })
  
      it('should throw an error if given an undefined percentage', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(undefined)
        }).to.throw('Invalid percentage: undefined')
      })
  
      it('should throw an error if given an integer percentage < 0', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(-1)
        }).to.throw('Invalid percentage: -1')
      })
  
      it('should throw an error if given a float percentage < 0', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(-0.1)
        }).to.throw('Invalid percentage: -0.1')
      })
  
      it('should covert a 0 percentage to 0', function () {
        m.chai.expect(utils.percentageToFloat(0)).to.equal(0)
      })
  
      it('should covert an integer percentage to a float', function () {
        m.chai.expect(utils.percentageToFloat(50)).to.equal(0.5)
      })
  
      it('should covert an float percentage to a float', function () {
        m.chai.expect(utils.percentageToFloat(46.54)).to.equal(0.4654)
      })
  
      it('should covert a 100 percentage to 1', function () {
        m.chai.expect(utils.percentageToFloat(100)).to.equal(1)
      })
  
      it('should throw an error if given an integer percentage > 100', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(101)
        }).to.throw('Invalid percentage: 101')
      })
  
      it('should throw an error if given a float percentage > 100', function () {
        m.chai.expect(function () {
          utils.percentageToFloat(100.01)
        }).to.throw('Invalid percentage: 100.01')
      })
    })
  })
  