spec/acfs/model/attributes/date_time_spec.rb in acfs-0.22.2 vs spec/acfs/model/attributes/date_time_spec.rb in acfs-0.23.0.b197

@@ -1,45 +1,55 @@
 require 'spec_helper'
 
 describe Acfs::Model::Attributes::DateTime do
   let(:model) { Class.new.tap { |c| c.send :include, Acfs::Model }}
+  let(:params) { {} }
+  subject { Acfs::Model::Attributes::DateTime.new params }
 
   describe 'cast' do
     it 'should return same object, if obj is already of DateTime class' do
       date_time = DateTime.now
-      retval = Acfs::Model::Attributes::DateTime.cast(date_time)
+      retval = subject.cast(date_time)
       expect(retval).to be == date_time
     end
 
     it 'should return parsed object, if obj is of Time class' do
       time = Time.now
-      retval = Acfs::Model::Attributes::DateTime.cast(time)
+      retval = subject.cast(time)
       expect(retval).to be == DateTime.iso8601(time.iso8601)
     end
 
     it 'should return parsed object, if obj is of Date class' do
       date = Date.today
-      retval = Acfs::Model::Attributes::DateTime.cast(date)
+      retval = subject.cast(date)
       expect(retval).to be == DateTime.iso8601(date.iso8601)
     end
 
     it 'should return parsed object, if obj is of String class in ISO-8601 format' do
       date_time_string = DateTime.now.iso8601
-      retval = Acfs::Model::Attributes::DateTime.cast(date_time_string)
+      retval = subject.cast(date_time_string)
       expect(retval).to be == DateTime.iso8601(date_time_string)
     end
 
     it 'should raise an error if obj is of String class not in valid ISO-8601 format' do
       malformed_string = 'qwe123'
       expect {
-        Acfs::Model::Attributes::DateTime.cast(malformed_string)
+        subject.cast(malformed_string)
       }.to raise_error ArgumentError
     end
 
     it 'should raise an error if obj is of wrong class (Fixnum)' do
       fixnum = 12
       expect {
-        Acfs::Model::Attributes::DateTime.cast(fixnum)
+        subject.cast(fixnum)
       }.to raise_error TypeError
+    end
+
+    context 'with allow_nil option' do
+      let(:params) { {allow_nil: true} }
+
+      it 'should accept empty string as nil' do
+        expect(subject.cast('')).to eq nil
+      end
     end
   end
 end