diff --git a/features/my_blog.feature b/features/my_blog.feature
index 67f0476..de47f4b 100644
--- a/features/my_blog.feature
+++ b/features/my_blog.feature
@@ -70,32 +70,35 @@ Scenario: Using the blueprint adapter with hooks
   Then I configure Vigia with the following options:
     | source_file      | my_blog/my_blog.apib   |
     | host             | my_blog.host           |
-  Then I configure a "before_group" hook with this block:
+  Then I configure a "after_group" hook with this block:
     """
-      group_name = described_class.described_object.name
-      let("#{ described_class.group.name }_name") { group_name }
+      'a simple string'
     """
-  Then I configure a "after_group" hook with this block:
+  Then I configure a "after_context" hook with this block:
+    """
+      'TODO'
+    """
+  Then I configure a "extend_group" hook with this block:
     """
       group_name = described_class.described_object.name
 
+      let("#{ described_class.group.name }_name") { group_name }
+
       it 'has the described object name defined' do
         expect(group_name).to eql(described_class.described_object.name)
       end
     """
-  Then I configure a "before_context" hook with this block:
+  Then I configure a "extend_context" hook with this block:
     """
       let(:full_string_name) do
         "#{ resource_group.name }#{ resource.name }#{ action.name }#{ transactional_example.name }#{ response.name }"
       end
-    """
-  Then I configure a "after_context" hook with this block:
-    """
-      it 'has all the properties defined after the example' do
+      it 'has all the properties defined in the example' do
         expect(http_client_options).to be_a(Object)
         expect(expectations).to be_a(OpenStruct)
         expect(result).to be_a(OpenStruct)
       end
+
     """
   Then I run Vigia
   And the output should contain the following:
@@ -113,9 +116,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 200
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
           POST
             has the described object name defined
             Example #0
@@ -123,9 +126,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 201
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
         Resource: 1.2 Post
           has the described object name defined
           GET
@@ -135,9 +138,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 200
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
       Resource Group: Comments
         has the described object name defined
         Resource: Comments
@@ -149,9 +152,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 200
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
           POST
             has the described object name defined
             Example #0
@@ -159,9 +162,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 201
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
         Resource: 2.2 Comment
           has the described object name defined
           PUT
@@ -171,9 +174,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 201
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
           DELETE
             has the described object name defined
             Example #0
@@ -181,9 +184,9 @@ Scenario: Using the blueprint adapter with hooks
               Running Response 204
                 has the described object name defined
                 context default
+                  has all the properties defined in the example
                   has the expected HTTP code
                   includes the expected headers
-                  has all the properties defined after the example
 
     """
   And the total tests line should equal "48 examples, 0 failures"
diff --git a/lib/vigia.rb b/lib/vigia.rb
index e7f7bf1..ece4cba 100644
--- a/lib/vigia.rb
+++ b/lib/vigia.rb
@@ -8,6 +8,7 @@
 require_relative 'vigia/adapter'
 require_relative 'vigia/adapters/blueprint'
 require_relative 'vigia/config'
+require_relative 'vigia/hooks'
 require_relative 'vigia/http_client/options'
 require_relative 'vigia/http_client/rest_client'
 require_relative 'vigia/http_client/requests'
@@ -39,3 +40,5 @@ def rspec!
     end
   end
 end
+
+require_relative 'vigia/sail/examples/default'
diff --git a/lib/vigia/adapter.rb b/lib/vigia/adapter.rb
index abdbbd2..f98feec 100644
--- a/lib/vigia/adapter.rb
+++ b/lib/vigia/adapter.rb
@@ -43,8 +43,8 @@ def initialize(adapter, template)
       def preload
         instance_exec(&template)
 
-        Vigia::Sail::Group.collection   = groups
-        Vigia::Sail::Context.collection = contexts
+        groups.each   { |name, options| Vigia::Sail::Group.register(name, options) }
+        contexts.each { |name, options| Vigia::Sail::Context.register(name, options) }
       end
 
       def after_initialize(&block)
diff --git a/lib/vigia/adapters/blueprint.rb b/lib/vigia/adapters/blueprint.rb
index e92c4c1..8bb1976 100644
--- a/lib/vigia/adapters/blueprint.rb
+++ b/lib/vigia/adapters/blueprint.rb
@@ -39,7 +39,7 @@ class Blueprint < Vigia::Adapter
 
         context :default,
           http_client_options: {
-            headers:      -> { adapter.headers_for(resource, action, transactional_example, response) },
+            headers:      -> { adapter.headers_for(action, transactional_example, response) },
             method:       -> { action.method },
             uri_template: -> { resource.uri_template },
             parameters:   -> { adapter.parameters_for(resource, action) },
@@ -47,13 +47,13 @@ class Blueprint < Vigia::Adapter
           },
           expectations: {
             code:    -> { response.name.to_i },
-            headers: -> { adapter.headers_for(resource, action, transactional_example, response, include_payload = false) },
+            headers: -> { adapter.headers_for(action, transactional_example, response, include_payload = false) },
             body:    -> { response.body }
           }
       end
 
-      def headers_for(resource, action, transactional_example, response, include_payload = true)
-        headers  = headers_for_response(resource, response)
+      def headers_for(action, transactional_example, response, include_payload = true)
+        headers  = headers_for_response(response)
         headers += headers_for_payload(transactional_example, response) if with_payload?(action) && include_payload
         compile_headers(headers)
       end
@@ -82,13 +82,17 @@ def compile_headers(headers)
         end
       end
 
-      def headers_for_response(resource, response)
+      def headers_for_response(response)
         collection = []
-        collection << [*resource.model.headers.collection]
         collection << [*response.headers.collection]
         collection.flatten
       end
 
+#       def resources
+#         apib.resource_groups.map(&:resources).flatten
+#       end
+
+
       def headers_for_payload(transactional_example, response)
         payload = get_payload(transactional_example, response)
         [ *payload.headers.collection ].flatten
diff --git a/lib/vigia/config.rb b/lib/vigia/config.rb
index 894b443..0a5f6d9 100644
--- a/lib/vigia/config.rb
+++ b/lib/vigia/config.rb
@@ -1,12 +1,13 @@
 module Vigia
   class Config
     attr_accessor :source_file, :host, :custom_examples_paths, :custom_examples, :headers, :http_client_class
-    attr_accessor :adapter, :hooks, :rspec_config_block, :stderr, :stdout
+    attr_accessor :adapter, :hooks, :rspec_config_block, :stderr, :stdout, :internal_hosts
 
     def initialize
       @host                  = nil
       @source_file           = nil
       @rspec_config_block    = nil
+      @internal_hosts        = []
       @headers               = {}
       @custom_examples_paths = []
       @custom_examples       = []
@@ -42,6 +43,10 @@ def after_group(&block)
       store_hook(Vigia::Sail::GroupInstance, :after, block)
     end
 
+    def extend_group(&block)
+      store_hook(Vigia::Sail::GroupInstance, :extend, block)
+    end
+
     def before_context(&block)
       store_hook(Vigia::Sail::Context, :before, block)
     end
@@ -50,6 +55,10 @@ def after_context(&block)
       store_hook(Vigia::Sail::Context, :after, block)
     end
 
+    def extend_context(&block)
+      store_hook(Vigia::Sail::Context, :extend, block)
+    end
+
     def store_hook(rspec_class, filter, block)
       @hooks << { rspec_class: rspec_class, filter: filter,  block: block }
     end
diff --git a/lib/vigia/hooks.rb b/lib/vigia/hooks.rb
new file mode 100644
index 0000000..e331597
--- /dev/null
+++ b/lib/vigia/hooks.rb
@@ -0,0 +1,46 @@
+module Vigia
+  module Hooks
+
+    def execute_hook(filter_name, rspec_context)
+      hooks_for_object(filter_name).each do |hook|
+        rspec_context.instance_exec(&hook)
+      end
+    end
+
+    def hooks_for_object(filter_name)
+      config_hooks(filter_name) + object_hooks(filter_name)
+    end
+
+    def with_hooks(rspec_context)
+      instance = self
+
+      rspec_context.before(:context) do
+        instance.execute_hook(:before, self)
+      end
+
+      rspec_context.after(:context) do
+        instance.execute_hook(:after, self)
+      end
+
+      instance.execute_hook(:extend, rspec_context)
+
+      yield
+    end
+
+    private
+
+    def object_hooks(filter_name)
+      return [] unless respond_to?(:options)
+      option_name = "#{ filter_name }_#{ self.class.name.split('::').last.downcase }".to_sym
+      [ *options[option_name] ].compact
+
+    end
+
+    def config_hooks(filter_name)
+      Vigia.config.hooks.each_with_object([]) do |hook, collection|
+        next unless self.is_a?(hook[:rspec_class]) and filter_name == hook[:filter]
+        collection << hook[:block]
+      end
+    end
+  end
+end
diff --git a/lib/vigia/sail/example.rb b/lib/vigia/sail/example.rb
index c03e2fb..24afe36 100644
--- a/lib/vigia/sail/example.rb
+++ b/lib/vigia/sail/example.rb
@@ -22,9 +22,10 @@ def run
         instance = self
         rspec.it instance do
           skip              if instance.skip?(self)     || (respond_to?(:skip?)     and send(:skip?))
-          skip('__vigia__') if instance.disabled?(self) || (respond_to?(:disabled?) and send(:disabled?))
 
-          instance_exec(&instance.expectation)
+          unless instance.disabled?(self) || (respond_to?(:disabled?) and send(:disabled?))
+            instance_exec(&instance.expectation)
+          end
         end
       end
 
@@ -50,16 +51,3 @@ def disabled?(in_context)
     end
   end
 end
-
-
-Vigia::Sail::Example.register(
-  :code_match,
-  description: 'has the expected HTTP code',
-  expectation: -> { expect(result.code).to be(expectations.code) }
-)
-
-Vigia::Sail::Example.register(
-  :include_headers,
-  description: 'includes the expected headers',
-  expectation: -> { expect(result[:headers]).to include(expectations[:headers]) }
-)
diff --git a/lib/vigia/sail/examples/default.rb b/lib/vigia/sail/examples/default.rb
new file mode 100644
index 0000000..641aa1c
--- /dev/null
+++ b/lib/vigia/sail/examples/default.rb
@@ -0,0 +1,11 @@
+Vigia::Sail::Example.register(
+  :code_match,
+  description: 'has the expected HTTP code',
+  expectation: -> { expect(result.code).to be(expectations.code) }
+)
+
+Vigia::Sail::Example.register(
+  :include_headers,
+  description: 'includes the expected headers',
+  expectation: -> { expect(result[:headers]).to include(expectations[:headers]) }
+)
diff --git a/lib/vigia/sail/rspec_object.rb b/lib/vigia/sail/rspec_object.rb
index 94a5a5b..4438850 100644
--- a/lib/vigia/sail/rspec_object.rb
+++ b/lib/vigia/sail/rspec_object.rb
@@ -2,7 +2,12 @@ module Vigia
   module Sail
     class RSpecObject
       class << self
-        attr_accessor :collection
+        attr_reader :collection
+
+        def register(name, options)
+          @collection = {} if collection.nil?
+          @collection.merge!(name => options)
+        end
 
         def setup_and_run(name, rspec)
           name, options  = collection.select{ |k,v| k == name }.first
@@ -11,6 +16,8 @@ def setup_and_run(name, rspec)
         end
       end
 
+      include Vigia::Hooks
+
       attr_reader :name, :options, :rspec
 
       def initialize(name, options, rspec)
@@ -20,22 +27,6 @@ def initialize(name, options, rspec)
 
       end
 
-      def execute_hook(filter_name, rspec_context)
-        hooks_for_object(filter_name).each do |hook|
-          rspec_context.instance_exec(&hook)
-        end
-      end
-
-      def hooks_for_object(filter_name)
-        config_hooks(filter_name) + object_hooks(filter_name)
-      end
-
-      def with_hooks(rspec_context)
-        execute_hook(:before, rspec_context)
-        yield
-        execute_hook(:after, rspec_context)
-      end
-
       def contextual_object(option_name: nil, object: nil, context: nil)
         context ||= rspec.described_class
         object  ||= options[option_name]
@@ -55,19 +46,6 @@ def must_be_a_block(block, error_message)
         return block if block.respond_to?(:call)
         raise error_message
       end
-
-      def object_hooks(filter_name)
-        option_name = "#{ filter_name }_#{ self.class.name.split('::').last.downcase }".to_sym
-        [ *options[option_name] ].compact
-
-      end
-
-      def config_hooks(filter_name)
-        Vigia.config.hooks.each_with_object([]) do |hook, collection|
-          next unless self.is_a?(hook[:rspec_class]) and filter_name == hook[:filter]
-          collection << hook[:block]
-        end
-      end
     end
   end
 end
diff --git a/lib/vigia/url.rb b/lib/vigia/url.rb
index d500dd2..c74ed00 100644
--- a/lib/vigia/url.rb
+++ b/lib/vigia/url.rb
@@ -1,7 +1,19 @@
 require 'uri'
+require 'addressable/template'
+require 'addressable/uri'
+
 
 module Vigia
   class Url
+    class << self
+      def template_defines_url?(template, url)
+        url_object      = Addressable::URI.parse(url)
+        template_object = Addressable::Template.new(template)
+        url_parameters  = template_object.extract(url_object) || {}
+        # recreate url and see if matches
+        template_object.expand(url_parameters) == url_object
+      end
+    end
 
     attr_reader :uri_template
 
diff --git a/lib/vigia/version.rb b/lib/vigia/version.rb
index 7352547..b24913e 100644
--- a/lib/vigia/version.rb
+++ b/lib/vigia/version.rb
@@ -1,5 +1,5 @@
 # encoding: utf-8
 
 module Vigia
-  VERSION = "0.0.9"
+  VERSION = "0.1.1"
 end
diff --git a/spec/lib/config_spec.rb b/spec/lib/config_spec.rb
index 9db78cd..0360c8b 100644
--- a/spec/lib/config_spec.rb
+++ b/spec/lib/config_spec.rb
@@ -30,6 +30,9 @@
       it 'has a stderr with the default value' do
         expect(subject.stderr).to eql($stderr)
       end
+      it 'has an internal_hosts method with the default value' do
+        expect(subject.internal_hosts).to eql([])
+      end
     end
   end
 
@@ -80,7 +83,7 @@
         subject.send("#{ filter }_#{ rspec_object_name }", &block)
       end
 
-      [ :after, :before ].each do |filter|
+      [ :after, :extend, :before ].each do |filter|
         context "when calling #{ filter }_#{ rspec_object_name }" do
           let(:filter) { 'before' }
           it 'calls the store hook method with the right parameters' do
diff --git a/spec/lib/hooks_spec.rb b/spec/lib/hooks_spec.rb
new file mode 100644
index 0000000..eb18863
--- /dev/null
+++ b/spec/lib/hooks_spec.rb
@@ -0,0 +1,37 @@
+require 'spec_helper'
+
+class Hookeable
+  include Vigia::Hooks
+end
+
+describe Hookeable do
+  let(:config) do
+    instance_double(
+      Vigia::Config,
+      hooks: config_hooks
+    )
+  end
+
+  before do
+    allow(subject).to receive(:options).and_return(options)
+    allow(Vigia).to receive(:config).and_return(config)
+  end
+
+  context 'object hooks' do
+    let(:options)        { { before_hookeable: 'hook in options' } }
+    let(:config_hooks)   { [] }
+
+    it 'returns the hook in options' do
+      expect(subject.hooks_for_object(:before)).to include 'hook in options'
+    end
+  end
+
+  context 'config hooks' do
+    let(:options)        { {} }
+    let(:config_hooks)   { [{ rspec_class: Hookeable, filter: :before, block: 'hook in config' }] }
+
+    it 'returns the hook in config' do
+      expect(subject.hooks_for_object(:before)).to include 'hook in config'
+    end
+  end
+end
diff --git a/spec/lib/url_spec.rb b/spec/lib/url_spec.rb
index 35cf488..6598b1a 100644
--- a/spec/lib/url_spec.rb
+++ b/spec/lib/url_spec.rb
@@ -25,6 +25,16 @@
     described_class.new uri_template
   end
 
+  describe '::template_defines_url?' do
+    it 'returns true if the url matches the template' do
+      expect(described_class.template_defines_url?('/a_resource/{id}', '/a_resource/test')).to be true
+    end
+
+    it 'returns false if the url does not match the template' do
+      expect(described_class.template_defines_url?('/a_resource/{id}', '/a_resourcetest')).to be false
+    end
+  end
+
   describe '#expand' do
     before do
       allow(subject).to receive(:host).and_return('http://this-example.com')
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 6088935..69d3511 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -3,7 +3,7 @@
 # Cucumber + Rspec should cover 100% of the gem
 SimpleCov.minimum_coverage 100
 
-require 'vigia'
 require 'pry'
+require 'vigia'
 
 Dir["./spec/support/**/*.rb"].sort.each { |f| require f }