attributes_spec.rb in mongoid-0.9.9

- old
+ new

@@ -1,9 +1,81 @@
 require "spec_helper"
 
 describe Mongoid::Attributes do
 
+  describe ".accepts_nested_attributes_for" do
+
+    before do
+      @person = Person.new
+    end
+
+    it "adds a setter for the association attributes" do
+      @person.should respond_to(:addresses_attributes=)
+    end
+
+    describe "#association_attributes=" do
+
+      context "on a has many association" do
+
+        context "when association is empty" do
+
+          before do
+            @attributes = {
+              "0" => { "street" => "Folsom", "city" => "San Francisco" }
+            }
+            @person.addresses_attributes = @attributes
+          end
+
+          it "adds a new document to the association" do
+            address = @person.addresses.first
+            address.street.should == "Folsom"
+            address.city.should == "San Francisco"
+          end
+
+        end
+
+        context "when association is not empty" do
+
+          before do
+            @person = Person.new
+            @person.addresses.build(:street => "Broadway", :city => "New York")
+            @attributes = {
+              "0" => { "street" => "Folsom", "city" => "San Francisco" }
+            }
+            @person.addresses_attributes = @attributes
+          end
+
+          it "updates the existing attributes on the association" do
+            @person.addresses.size.should == 2
+          end
+
+        end
+
+      end
+
+      context "on a has one association" do
+
+        before do
+          @person = Person.new
+          @attributes = {
+            "first_name" => "Fernando", "last_name" => "Torres"
+          }
+          @person.name_attributes = @attributes
+        end
+
+        it "replaces the document on the association" do
+          name = @person.name
+          name.first_name.should == "Fernando"
+          name.last_name.should == "Torres"
+        end
+
+      end
+
+    end
+
+  end
+
   describe "#process" do
 
     context "when supplied hash has values" do
 
       before do
@@ -88,9 +160,155 @@
     end
 
     it "only overwrites supplied attributes" do
       @person.process(@attributes)
       @person.title.should == "Sir"
+    end
+
+  end
+
+  describe "#read_attribute" do
+
+    context "when attribute does not exist" do
+
+      before do
+        @person = Person.new
+      end
+
+      it "returns the default value" do
+        @person.age.should == 100
+      end
+
+    end
+
+  end
+
+  describe "#remove_attribute" do
+
+    context "when the attribute exists" do
+
+      it "removes the attribute" do
+        person = Person.new(:title => "Sir")
+        person.remove_attribute(:title)
+        person.title.should be_nil
+      end
+
+    end
+
+    context "when the attribute does not exist" do
+
+      it "does nothing" do
+        person = Person.new
+        person.remove_attribute(:title)
+        person.title.should be_nil
+      end
+
+    end
+
+  end
+
+  describe "#write_attribute" do
+
+    context "when attribute does not exist" do
+
+      before do
+        @person = Person.new
+      end
+
+      it "returns the default value" do
+        @person.age = nil
+        @person.age.should == 100
+      end
+
+    end
+
+    context "when field has a default value" do
+
+      before do
+        @person = Person.new
+      end
+
+      it "should allow overwriting of the default value" do
+        @person.terms = true
+        @person.terms.should be_true
+      end
+
+    end
+
+  end
+
+  describe "#write_attributes" do
+
+    context "typecasting" do
+
+      before do
+        @person = Person.new
+        @attributes = { :age => "50" }
+      end
+
+      it "properly casts values" do
+        @person.write_attributes(@attributes)
+        @person.age.should == 50
+      end
+
+    end
+
+    context "on a parent document" do
+
+      context "when the parent has a has many through a has one" do
+
+        before do
+          @owner = PetOwner.new(:title => "Mr")
+          @pet = Pet.new(:name => "Fido")
+          @owner.pet = @pet
+          @vet_visit = VetVisit.new(:date => Date.today)
+          @pet.vet_visits = [@vet_visit]
+        end
+
+        it "does not overwrite child attributes if not in the hash" do
+          @owner.write_attributes({ :pet => { :name => "Bingo" } })
+          @owner.pet.name.should == "Bingo"
+          @owner.pet.vet_visits.size.should == 1
+        end
+
+      end
+
+    end
+
+    context "on a child document" do
+
+      context "when child is part of a has one" do
+
+        before do
+          @person = Person.new(:title => "Sir", :age => 30)
+          @name = Name.new(:first_name => "Test", :last_name => "User")
+          @person.name = @name
+        end
+
+        it "sets the child attributes on the parent" do
+          @name.write_attributes(:first_name => "Test2", :last_name => "User2")
+          @person.attributes[:name].should ==
+            { "_id" => "test-user", "first_name" => "Test2", "last_name" => "User2" }
+        end
+
+      end
+
+      context "when child is part of a has many" do
+
+        before do
+          @person = Person.new(:title => "Sir")
+          @address = Address.new(:street => "Test")
+          @person.addresses << @address
+        end
+
+        it "updates the child attributes on the parent" do
+          @address.write_attributes("street" => "Test2")
+          @person.attributes[:addresses].should ==
+            [ { "_id" => "test", "street" => "Test2" } ]
+        end
+
+      end
+
     end
 
   end
 
 end