Fix specs for #265

Run enum specs only for Rails version >= 4.1

spec/models/active_record/with_enum_without_column.rb

@@ -1,10 +1,12 @@
 class WithEnumWithoutColumn < ActiveRecord::Base
   include AASM
 
-  enum status: {
-    opened: 0,
-    closed: 1
-  }
+  if ActiveRecord::VERSION::MAJOR >= 4 && ActiveRecord::VERSION::MINOR >= 1 # won't work with Rails <= 4.1
+    enum status: {
+      opened: 0,
+      closed: 1
+    }
+  end
 
   aasm :column => :status do
     state :closed, initial: true
@@ -18,11 +20,12 @@ end
 
 class MultipleWithEnumWithoutColumn < ActiveRecord::Base
   include AASM
-
-  enum status: {
-    opened: 0,
-    closed: 1
-  }
+  if ActiveRecord::VERSION::MAJOR >= 4 && ActiveRecord::VERSION::MINOR >= 1 # won't work with Rails <= 4.1
+    enum status: {
+      opened: 0,
+      closed: 1
+    }
+  end
 
   aasm :left, :column => :status do
     state :closed, initial: true

spec/unit/persistence/active_record_persistence_multiple_spec.rb

@@ -113,15 +113,18 @@ describe "instance methods" do
         end
       end
     end
-    
-    context "when AASM enum setting is not enabled and aasm column not present" do
-      before :each do
-        @multiple_with_enum_with_column = MultipleWithEnumWithoutColumn.new
-      end
-      
-      it "should raise NoMethodError for transitions" do
-        expect{@multiple_with_enum_with_column.send(:view, :left)}.to raise_error(NoMethodError, "undefined method 'status' for MultipleWithEnumWithoutColumn")  
+
+    if ActiveRecord::VERSION::MAJOR >= 4 && ActiveRecord::VERSION::MINOR >= 1 # won't work with Rails <= 4.1
+      # Enum are introduced from Rails 4.1, therefore enum syntax will not work on Rails <= 4.1
+      context "when AASM enum setting is not enabled and aasm column not present" do
+
+        let(:multiple_with_enum_without_column) {MultipleWithEnumWithoutColumn.new}
+
+        it "should raise NoMethodError for transitions" do
+          expect{multiple_with_enum_without_column.send(:view, :left)}.to raise_error(NoMethodError, "undefined method 'status' for MultipleWithEnumWithoutColumn")
+        end
       end
+
     end
 
   end

spec/unit/persistence/active_record_persistence_spec.rb

@@ -114,14 +114,17 @@ describe "instance methods" do
       end
     end
 
-    context "when AASM enum setting is not enabled and aasm column not present" do
-      before :each do
-        @with_enum_with_column = WithEnumWithoutColumn.new
-      end
-      
-      it "should raise NoMethodError for transitions" do
-        expect{@with_enum_with_column.send(:view)}.to raise_error(NoMethodError, "undefined method 'status' for WithEnumWithoutColumn")  
+    if ActiveRecord::VERSION::MAJOR >= 4 && ActiveRecord::VERSION::MINOR >= 1 # won't work with Rails <= 4.1
+      # Enum are introduced from Rails 4.1, therefore enum syntax will not work on Rails <= 4.1
+      context "when AASM enum setting is not enabled and aasm column not present" do
+
+        let(:with_enum_without_column) {WithEnumWithoutColumn.new}
+
+        it "should raise NoMethodError for transitions" do
+          expect{with_enum_without_column.send(:view)}.to raise_error(NoMethodError, "undefined method 'status' for WithEnumWithoutColumn")
+        end
       end
+
     end
 
   end