formatting and test structure

app/models/project_services/slack_service/wiki_page_message.rb

@@ -19,7 +19,7 @@ class SlackService
       @wiki_page_url = obj_attr[:url]
       @description = obj_attr[:content]
 
-      @action = \
+      @action =
         case obj_attr[:action]
         when "create"
           "created"

db/migrate/20160227120047_add_event_to_services.rb

 class AddEventToServices < ActiveRecord::Migration
   def change
-    add_column :services, :wiki_page_events, :boolean, :default => true
+    add_column :services, :wiki_page_events, :boolean, default: true
   end
 end

spec/models/project_services/slack_service/wiki_page_message_spec.rb

@@ -11,11 +11,9 @@ describe SlackService::WikiPageMessage, models: true do
       },
       project_name: 'project_name',
       project_url: 'somewhere.com',
-
       object_attributes: {
         title: 'Wiki page title',
         url: 'url',
-        action: 'create',
         content: 'Wiki page description'
       }
     }
@@ -23,12 +21,34 @@ describe SlackService::WikiPageMessage, models: true do
 
   let(:color) { '#345' }
 
-  context 'create' do
-    it 'returns a message regarding creation of pages' do
-      expect(subject.pretext).to eq(
+  describe '#pretext' do
+    context 'when :action == "create"' do
+      before { args[:object_attributes][:action] = 'create' }
+
+      it do
+        expect(pretext).to eq(
           'Test User created <url|wiki page> in <somewhere.com|project_name>: '\
           '*Wiki page title*')
-      expect(subject.attachments).to eq([
+      end
+    end
+
+    context 'when :action == "update"' do
+      before { args[:object_attributes][:action] = 'update' }
+
+      it do
+        expect(pretext).to eq(
+          'Test User edited <url|wiki page> in <somewhere.com|project_name>: '\
+          '*Wiki page title*')
+      end
+    end
+  end
+
+  describe '#attachments' do
+    context 'when :action == "create"' do
+      before { args[:object_attributes][:action] = 'create' }
+
+      it do
+        expect(attachments).to eq([
           {
             text: "Wiki page description",
             color: color,
@@ -37,15 +57,11 @@ describe SlackService::WikiPageMessage, models: true do
       end
     end
 
-  context 'update' do
-    before do
-      args[:object_attributes][:action] = 'update'
-    end
-    it 'returns a message regarding updating of pages' do
-      expect(subject.pretext). to eq(
-        'Test User edited <url|wiki page> in <somewhere.com|project_name>: '\
-        '*Wiki page title*')
-      expect(subject.attachments).to eq([
+    context 'when :action == "update"' do
+      before { args[:object_attributes][:action] = 'update' }
+
+      it do
+        expect(attachments).to eq([
           {
             text: "Wiki page description",
             color: color,
@@ -53,4 +69,5 @@ describe SlackService::WikiPageMessage, models: true do
         ])
       end
     end
+  end
 end