minor cleanup in system_hook_spec

spec/models/hooks/system_hook_spec.rb

@@ -20,24 +20,27 @@ require "spec_helper"
 
 describe SystemHook, models: true do
   describe "execute" do
-    before(:each) do
-      @system_hook = create(:system_hook)
-      WebMock.stub_request(:post, @system_hook.url)
+    let(:system_hook) { create(:system_hook) }
+    let(:user)        { create(:user) }
+    let(:project)     { create(:project, namespace: user.namespace) }
+    let(:group)       { create(:group) }
+
+    before do
+      WebMock.stub_request(:post, system_hook.url)
     end
 
     it "project_create hook" do
-      Projects::CreateService.new(create(:user), name: 'empty').execute
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+      Projects::CreateService.new(user, name: 'empty').execute
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /project_create/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it "project_destroy hook" do
-      user = create(:user)
-      project = create(:empty_project, namespace: user.namespace)
       Projects::DestroyService.new(project, user, {}).pending_delete!
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /project_destroy/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
@@ -45,37 +48,36 @@ describe SystemHook, models: true do
 
     it "user_create hook" do
       create(:user)
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+      
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_create/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it "user_destroy hook" do
-      user = create(:user)
       user.destroy
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_destroy/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it "project_create hook" do
-      user = create(:user)
-      project = create(:project)
       project.team << [user, :master]
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_add_to_team/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it "project_destroy hook" do
-      user = create(:user)
-      project = create(:project)
       project.team << [user, :master]
       project.project_members.destroy_all
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_remove_from_team/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
@@ -83,41 +85,39 @@ describe SystemHook, models: true do
 
     it 'group create hook' do
       create(:group)
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /group_create/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it 'group destroy hook' do
-      group = create(:group)
       group.destroy
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /group_destroy/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it 'group member create hook' do
-      group = create(:group)
-      user = create(:user)
       group.add_master(user)
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_add_to_group/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
 
     it 'group member destroy hook' do
-      group = create(:group)
-      user = create(:user)
       group.add_master(user)
       group.group_members.destroy_all
-      expect(WebMock).to have_requested(:post, @system_hook.url).with(
+
+      expect(WebMock).to have_requested(:post, system_hook.url).with(
         body: /user_remove_from_group/,
         headers: { 'Content-Type'=>'application/json', 'X-Gitlab-Event'=>'System Hook' }
       ).once
     end
-
   end
 end