gistfile1.txt

# in the console I see this

>> d.modify_value("123")
FieldType::CriterionConversionError: Unable to parse "123" as a date, giving up
	from ./lib/field_types/date.rb:104:in `modify_value'
	from (irb):4


# in the spec this

  it "should not parse single integers"  do
    @date_field.modify_value('1').should raise_error FieldType::CriterionConversionError
  end

# produces this

  should not parse single integers (FAILED - 1)

1)
FieldType::CriterionConversionError in 'FieldType::Date should not parse single integers'
Unable to parse "1" as a date, giving up
./spec/models/date_field_type_spec.rb:40: