diff --git a/app/controllers/mezuro_ranges_controller.rb b/app/controllers/mezuro_ranges_controller.rb
index 9f7183a..7ed7145 100644
--- a/app/controllers/mezuro_ranges_controller.rb
+++ b/app/controllers/mezuro_ranges_controller.rb
@@ -1,9 +1,8 @@
 include OwnershipAuthentication
 
 class MezuroRangesController < ApplicationController
-
-  before_action :authenticate_user!, except: [:show, :index]
-  before_action :metric_configuration_owner?, except: [:index]
+  before_action :authenticate_user!, except: [:show]
+  before_action :metric_configuration_owner?, only: [:new, :create]
 
   def new
     @mezuro_range = MezuroRange.new
@@ -26,9 +25,6 @@ class MezuroRangesController < ApplicationController
   def update
   end
 
-  def index
-  end
-
   def edit
   end
 
diff --git a/spec/controllers/metric_configurations_controller_spec.rb b/spec/controllers/metric_configurations_controller_spec.rb
index d2b6226..df10549 100644
--- a/spec/controllers/metric_configurations_controller_spec.rb
+++ b/spec/controllers/metric_configurations_controller_spec.rb
@@ -56,7 +56,7 @@ describe MetricConfigurationsController do
       sign_in FactoryGirl.create(:user)
     end
 
-    context 'when the current user owns the reading group' do
+    context 'when the current user owns the metric configuration' do
       before :each do
         subject.expects(:mezuro_configuration_owner?).returns true
       end
diff --git a/spec/controllers/mezuro_ranges_spec.rb b/spec/controllers/mezuro_ranges_spec.rb
index fe5fe58..c2bcb6f 100644
--- a/spec/controllers/mezuro_ranges_spec.rb
+++ b/spec/controllers/mezuro_ranges_spec.rb
@@ -1,7 +1,6 @@
 require 'spec_helper'
 
 describe MezuroRangesController do
-
   describe 'new' do
     let(:mezuro_range) { FactoryGirl.build(:mezuro_range) }
     let(:mezuro_configuration) { FactoryGirl.build(:mezuro_configuration) }
@@ -32,4 +31,43 @@ describe MezuroRangesController do
       it { should respond_with(:redirect) }
     end
   end
-end
\ No newline at end of file
+
+  describe 'create' do
+    let(:mezuro_range_params) { Hash[FactoryGirl.attributes_for(:mezuro_range).map { |k,v| [k.to_s, v.to_s] }] }  #FIXME: Mocha is creating the expectations with strings, but FactoryGirl returns everything with symbols and integers
+    let(:mezuro_configuration) { FactoryGirl.build(:mezuro_configuration) }
+    let(:metric_configuration) { FactoryGirl.build(:metric_configuration) }
+    let(:mezuro_range) { FactoryGirl.build(:mezuro_range) }
+
+    before do
+      sign_in FactoryGirl.create(:user)
+    end
+
+    context 'when the current user owns the mezuro range' do
+      before :each do
+        subject.expects(:metric_configuration_owner?).returns true
+      end
+
+      context 'with valid fields' do
+        before :each do
+          MezuroRange.any_instance.expects(:save).returns(true)
+
+          post :create, mezuro_configuration_id: mezuro_configuration.id, metric_configuration_id: metric_configuration.id, mezuro_range: mezuro_range_params
+        end
+
+        it { should respond_with(:redirect) }
+      end
+
+      context 'with invalid fields' do
+        before :each do
+          MezuroRange.any_instance.expects(:save).returns(false)
+          MetricConfiguration.expects(:find).with(metric_configuration.id).returns(metric_configuration)
+          Reading.expects(:readings_of).with(metric_configuration.reading_group_id).returns([])
+
+          post :create, mezuro_configuration_id: mezuro_configuration.id, metric_configuration_id: metric_configuration.id, mezuro_range: mezuro_range_params
+        end
+
+        it { should render_template(:new) }
+      end
+    end
+  end
+end
--
libgit2 0.21.2