Tests that a Birthday can handle Feb 29 properly

feb29_spec.rb

  describe "February 29" do
    freeze_time

    before(:each) do
      @birthday = new_birthday(:month => 2, :day => 29, :year => 1984)
    end

    it "knows it's a jerk" do
      @birthday.should be_feb_29
    end

    it "knows it's not a jerk" do
      new_birthday(:month => 1).should_not be_feb_29
    end

    describe "in a leap year" do
      before(:all) do
        set_time(Date.new(2008, 1, 1))
      end

      it "converts to Date Feb 29 when it has a year" do
        @birthday.to_date.should == Date.new(1984, 2, 29)
      end

      it "converts to Date Feb 29 when it does not have a year" do
        @birthday.year = nil
        @birthday.to_date(:allow_empty_year => true).
          should == Date.new(2008, 2, 29)
      end

      it "gets this_year right" do
        @birthday.this_year.should == Date.new(2008, 2, 29)
      end
    end

    describe "in a non-leap year" do
      before(:all) do
        set_time(Date.new(2010, 1, 1).to_time)
      end

      it "converts to Date Feb 29 when it has a year" do
        @birthday.to_date.should == Date.new(1984, 2, 29)
      end

      it "converts to Date March 1 when it does not have a year" do
        @birthday.year = nil
        @birthday.to_date(:allow_empty_year => true).
          should == Date.new(2010, 3, 1)
      end

      it "treats this_year as March 1" do
        @birthday.this_year.should == Date.new(2010, 3, 1)
      end
    end
  end