# encoding: utf-8
require 'spec_helper'

describe "Type Casting" do

  before(:each) do
    @course = Course.new(:title => 'Relaxation')
  end

  describe "when value is nil" do
    it "leaves the value unchanged" do
      @course.title = nil
      @course['title'].should == nil
    end
  end

  describe "when type primitive is an Object" do
    it "it should not cast given value" do
      @course.participants = [{}, 'q', 1]
      @course['participants'].should == [{}, 'q', 1]
    end

    it "should cast started_on to Date" do
      @course.started_on = Date.today
      @course['started_on'].should be_an_instance_of(Date)
    end
  end

  describe "when type primitive is a String" do
    it "keeps string value unchanged" do
      value = "1.0"
      @course.title = value
      @course['title'].should equal(value)
    end

    it "it casts to string representation of the value" do
      @course.title = 1.0
      @course['title'].should eql("1.0")
    end
  end

  describe 'when type primitive is a Float' do
    it 'returns same value if a float' do
      value = 24.0
      @course.estimate = value
      @course['estimate'].should equal(value)
    end

    it 'returns float representation of a zero string integer' do
      @course.estimate = '0'
      @course['estimate'].should eql(0.0)
    end

    it 'returns float representation of a positive string integer' do
      @course.estimate = '24'
      @course['estimate'].should eql(24.0)
    end

    it 'returns float representation of a negative string integer' do
      @course.estimate = '-24'
      @course['estimate'].should eql(-24.0)
    end

    it 'returns float representation of a zero string float' do
      @course.estimate = '0.0'
      @course['estimate'].should eql(0.0)
    end

    it 'returns float representation of a positive string float' do
      @course.estimate = '24.35'
      @course['estimate'].should eql(24.35)
    end

    it 'returns float representation of a negative string float' do
      @course.estimate = '-24.35'
      @course['estimate'].should eql(-24.35)
    end

    it 'returns float representation of a zero string float, with no leading digits' do
      @course.estimate = '.0'
      @course['estimate'].should eql(0.0)
    end

    it 'returns float representation of a positive string float, with no leading digits' do
      @course.estimate = '.41'
      @course['estimate'].should eql(0.41)
    end

    it 'returns float representation of a zero integer' do
      @course.estimate = 0
      @course['estimate'].should eql(0.0)
    end

    it 'returns float representation of a positive integer' do
      @course.estimate = 24
      @course['estimate'].should eql(24.0)
    end

    it 'returns float representation of a negative integer' do
      @course.estimate = -24
      @course['estimate'].should eql(-24.0)
    end

    it 'returns float representation of a zero decimal' do
      @course.estimate = BigDecimal('0.0')
      @course['estimate'].should eql(0.0)
    end

    it 'returns float representation of a positive decimal' do
      @course.estimate = BigDecimal('24.35')
      @course['estimate'].should eql(24.35)
    end

    it 'returns float representation of a negative decimal' do
      @course.estimate = BigDecimal('-24.35')
      @course['estimate'].should eql(-24.35)
    end

    it 'return float of a number with commas instead of points for decimals' do
      @course.estimate = '23,35'
      @course['estimate'].should eql(23.35)
    end

    it "should handle numbers with commas and points" do
      @course.estimate = '1,234.00'
      @course.estimate.should eql(1234.00)
    end

    it "should handle a mis-match of commas and points and maintain the last one" do
      @course.estimate = "1,232.434.123,323"
      @course.estimate.should eql(1232434123.323)
    end

    it "should handle numbers with whitespace" do
      @course.estimate = " 24.35 "
      @course.estimate.should eql(24.35)
    end

    [ Object.new, true, '00.0', '0.', '-.0', 'string' ].each do |value|
      it "does not typecast non-numeric value #{value.inspect}" do
        @course.estimate = value
        @course['estimate'].should equal(value)
      end
    end

  end

  describe 'when type primitive is a Integer' do
    it 'returns same value if an integer' do
      value = 24
      @course.hours = value
      @course['hours'].should equal(value)
    end

    it 'returns integer representation of a zero string integer' do
      @course.hours = '0'
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a positive string integer' do
      @course.hours = '24'
      @course['hours'].should eql(24)
    end

    it 'returns integer representation of a negative string integer' do
      @course.hours = '-24'
      @course['hours'].should eql(-24)
    end

    it 'returns integer representation of a zero string float' do
      @course.hours = '0.0'
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a positive string float' do
      @course.hours = '24.35'
      @course['hours'].should eql(24)
    end

    it 'returns integer representation of a negative string float' do
      @course.hours = '-24.35'
      @course['hours'].should eql(-24)
    end

    it 'returns integer representation of a zero string float, with no leading digits' do
      @course.hours = '.0'
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a positive string float, with no leading digits' do
      @course.hours = '.41'
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a zero float' do
      @course.hours = 0.0
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a positive float' do
      @course.hours = 24.35
      @course['hours'].should eql(24)
    end

    it 'returns integer representation of a negative float' do
      @course.hours = -24.35
      @course['hours'].should eql(-24)
    end

    it 'returns integer representation of a zero decimal' do
      @course.hours = '0.0'
      @course['hours'].should eql(0)
    end

    it 'returns integer representation of a positive decimal' do
      @course.hours = '24.35'
      @course['hours'].should eql(24)
    end

    it 'returns integer representation of a negative decimal' do
      @course.hours = '-24.35'
      @course['hours'].should eql(-24)
    end

    it "should handle numbers with whitespace" do
      @course.hours = " 24 "
      @course['hours'].should eql(24)
    end

    [ Object.new, true, '00.0', '0.', '-.0', 'string' ].each do |value|
      it "does not typecast non-numeric value #{value.inspect}" do
        @course.hours = value
        @course['hours'].should equal(value)
      end
    end
  end

  describe 'when type primitive is a BigDecimal' do
    it 'returns same value if a decimal' do
      value = BigDecimal('24.0')
      @course.profit = value
      @course['profit'].should equal(value)
    end

    it 'returns decimal representation of a zero string integer' do
      @course.profit = '0'
      @course['profit'].should eql(BigDecimal('0.0'))
    end

    it 'returns decimal representation of a positive string integer' do
      @course.profit = '24'
      @course['profit'].should eql(BigDecimal('24.0'))
    end

    it 'returns decimal representation of a negative string integer' do
      @course.profit = '-24'
      @course['profit'].should eql(BigDecimal('-24.0'))
    end

    it 'returns decimal representation of a zero string float' do
      @course.profit = '0.0'
      @course['profit'].should eql(BigDecimal('0.0'))
    end

    it 'returns decimal representation of a positive string float' do
      @course.profit = '24.35'
      @course['profit'].should eql(BigDecimal('24.35'))
    end

    it 'returns decimal representation of a negative string float' do
      @course.profit = '-24.35'
      @course['profit'].should eql(BigDecimal('-24.35'))
    end

    it 'returns decimal representation of a zero string float, with no leading digits' do
      @course.profit = '.0'
      @course['profit'].should eql(BigDecimal('0.0'))
    end

    it 'returns decimal representation of a positive string float, with no leading digits' do
      @course.profit = '.41'
      @course['profit'].should eql(BigDecimal('0.41'))
    end

    it 'returns decimal representation of a zero integer' do
      @course.profit = 0
      @course['profit'].should eql(BigDecimal('0.0'))
    end

    it 'returns decimal representation of a positive integer' do
      @course.profit = 24
      @course['profit'].should eql(BigDecimal('24.0'))
    end

    it 'returns decimal representation of a negative integer' do
      @course.profit = -24
      @course['profit'].should eql(BigDecimal('-24.0'))
    end

    it 'returns decimal representation of a zero float' do
      @course.profit = 0.0
      @course['profit'].should eql(BigDecimal('0.0'))
    end

    it 'returns decimal representation of a positive float' do
      @course.profit = 24.35
      @course['profit'].should eql(BigDecimal('24.35'))
    end

    it 'returns decimal representation of a negative float' do
      @course.profit = -24.35
      @course['profit'].should eql(BigDecimal('-24.35'))
    end

    it "should handle numbers with whitespace" do
      @course.profit = " 24.35 "
      @course['profit'].should eql(BigDecimal('24.35'))
    end

    [ Object.new, true, '00.0', '0.', '-.0', 'string' ].each do |value|
      it "does not typecast non-numeric value #{value.inspect}" do
        @course.profit = value
        @course['profit'].should equal(value)
      end
    end
  end

  describe 'when type primitive is a DateTime' do
    describe 'and value given as a hash with keys like :year, :month, etc' do
      it 'builds a DateTime instance from hash values' do
        @course.updated_at = {
          :year  => '2006',
          :month => '11',
          :day   => '23',
          :hour  => '12',
          :min   => '0',
          :sec   => '0'
        }
        result = @course['updated_at']

        result.should be_kind_of(DateTime)
        result.year.should eql(2006)
        result.month.should eql(11)
        result.day.should eql(23)
        result.hour.should eql(12)
        result.min.should eql(0)
        result.sec.should eql(0)
      end
    end

    describe 'and value is a string' do
      it 'parses the string' do
        @course.updated_at = 'Dec, 2006'
        @course['updated_at'].month.should == 12
      end
    end

    it 'does not typecast non-datetime values' do
      @course.updated_at = 'not-datetime'
      @course['updated_at'].should eql('not-datetime')
    end
  end

  describe 'when type primitive is a Date' do
    describe 'and value given as a hash with keys like :year, :month, etc' do
      it 'builds a Date instance from hash values' do
        @course.started_on = {
          :year  => '2007',
          :month => '3',
          :day   => '25'
        }
        result = @course['started_on']

        result.should be_kind_of(Date)
        result.year.should eql(2007)
        result.month.should eql(3)
        result.day.should eql(25)
      end
    end

    describe 'and value is a string' do
      it 'parses the string' do
        @course.started_on = 'Dec 20th, 2006'
        @course.started_on.month.should == 12
        @course.started_on.day.should == 20
        @course.started_on.year.should == 2006
      end
    end

    it 'does not typecast non-date values' do
      @course.started_on = 'not-date'
      @course['started_on'].should eql('not-date')
    end
  end

  describe 'when type primitive is a Time' do
    describe 'and value given as a hash with keys like :year, :month, etc' do
      it 'builds a Time instance from hash values' do
        @course.ends_at = {
          :year  => '2006',
          :month => '11',
          :day   => '23',
          :hour  => '12',
          :min   => '0',
          :sec   => '0'
        }
        result = @course['ends_at']

        result.should be_kind_of(Time)
        result.year.should  eql(2006)
        result.month.should eql(11)
        result.day.should   eql(23)
        result.hour.should  eql(12)
        result.min.should   eql(0)
        result.sec.should   eql(0)
      end
    end

    describe 'and value is a string' do
      it 'parses the string' do
        t = Time.new(2011, 4, 1, 18, 50, 32, "+02:00")
        @course.ends_at = t.strftime('%Y/%m/%d %H:%M:%S %z')
        @course['ends_at'].year.should  eql(t.year)
        @course['ends_at'].month.should eql(t.month)
        @course['ends_at'].day.should   eql(t.day)
        @course['ends_at'].hour.should  eql(t.hour)
        @course['ends_at'].min.should   eql(t.min)
        @course['ends_at'].sec.should   eql(t.sec)
      end
      it 'parses the string without offset as UTC' do
        t = Time.now.utc
        @course.ends_at = t.strftime("%Y-%m-%d %H:%M:%S")
        @course.ends_at.utc?.should be_true
        @course['ends_at'].year.should  eql(t.year)
        @course['ends_at'].month.should eql(t.month)
        @course['ends_at'].day.should   eql(t.day)
        @course['ends_at'].hour.should  eql(t.hour)
        @course['ends_at'].min.should   eql(t.min)
        @course['ends_at'].sec.should   eql(t.sec)
      end
    end

    it "converts a time value into utc" do
      t = Time.new(2011, 4, 1, 18, 50, 32, "+02:00")
      @course.ends_at = t
      @course.ends_at.utc?.should be_true
      @course.ends_at.to_i.should eql(Time.utc(2011, 4, 1, 16, 50, 32).to_i)
    end

    if RUBY_VERSION >= "1.9.1"
      # In ruby 1.8.7 Time.parse will always return a value. D'OH
      it 'does not typecast non-time values' do
        @course.ends_at = 'not-time'
        @course['ends_at'].should eql('not-time')
      end
    end
  end

  describe 'when type primitive is a Class' do
    it 'returns same value if a class' do
      value = Course
      @course.klass = value
      @course['klass'].should equal(value)
    end

    it 'returns the class if found' do
      @course.klass = 'Course'
      @course['klass'].should eql(Course)
    end

    it 'does not typecast non-class values' do
      @course.klass = 'NoClass'
      @course['klass'].should eql('NoClass')
    end
  end

  describe 'when type primitive is a Boolean' do

    [ true, 'true', 'TRUE', '1', 1, 't', 'T' ].each do |value|
      it "returns true when value is #{value.inspect}" do
        @course.active = value
        @course['active'].should be_true
      end
    end

    [ false, 'false', 'FALSE', '0', 0, 'f', 'F' ].each do |value|
      it "returns false when value is #{value.inspect}" do
        @course.active = value
        @course['active'].should be_false
      end
    end

    [ 'string', 2, 1.0, BigDecimal('1.0'), DateTime.now, Time.now, Date.today, Class, Object.new, ].each do |value|
      it "does not typecast value #{value.inspect}" do
        @course.active = value
        @course['active'].should equal(value)
      end
    end

    it "should respond to requests with ? modifier" do
      @course.active = nil
      @course.active?.should be_false
      @course.active = false
      @course.active?.should be_false
      @course.active = true
      @course.active?.should be_true
    end

    it "should respond to requests with ? modifier on TrueClass" do
      @course.very_active = nil
      @course.very_active?.should be_false
      @course.very_active = false
      @course.very_active?.should be_false
      @course.very_active = true
      @course.very_active?.should be_true
    end
  end

end