5059

docs/tutorials/mongoid-documents.txt

@@ -292,7 +292,7 @@ Mongoid provides several ways of accessing field values.
 .. note::
 
   All of the access methods described below raise
-  ``Mongoid::Errors::MissingAttributeError`` when the field being accessed is
+  ``ActiveModel::MissingAttributeError`` when the field being accessed is
   :ref:`projected out <projection>`, either by virtue of not being included in
   :ref:`only <only>` or by virtue of being included in
   :ref:`without <without>`. This applies to both reads and writes.

spec/mongoid/persistable/settable_spec.rb

@@ -523,30 +523,22 @@
     end
 
     context 'field exists in database' do
-      before do
-        agent.set(title: '008')
-      end
-
-      it "writes the value into the model instance" do
-        agent.title.should == '008'
-      end
+      it "raises MissingAttributeError" do
+        lambda do
+          agent.set(title: '008')
+        end.should raise_error(ActiveModel::MissingAttributeError)
 
-      it "writes the value into the database" do
-        expect(agent.reload.title).to eq '008'
+        expect(agent.reload.title).to eq 'Double-Oh Eight'
       end
     end
 
     context 'field does not exist in database' do
-      before do
-        agent.set(number: '008')
-      end
-
-      it "writes the value into the model instance" do
-        agent.number.should == '008'
-      end
+      it "raises MissingAttributeError" do
+        lambda do
+          agent.set(number: '008')
+        end.should raise_error(ActiveModel::MissingAttributeError)
 
-      it "writes the value into the database" do
-        expect(agent.reload.number).to eq '008'
+        expect(agent.reload.read_attribute(:number)).to be nil
       end
     end
   end