Specs refactoring to reduce test time. Disabled observers by default for specs

spec/features/profile_spec.rb

 require 'spec_helper'
 describe "Profile account page" do
+  before(:each) { enable_observers }
   let(:user) { create(:user) }
   before do

spec/features/projects_spec.rb

 require 'spec_helper'
 describe "Projects" do
+  before(:each) { enable_observers }
   before { login_as :user }
   describe "DELETE /projects/:id" do

spec/lib/votes_spec.rb

 require 'spec_helper'
-describe MergeRequest do
-  let(:merge_request) { FactoryGirl.create(:merge_request_with_diffs) }
+describe Issue, 'Votes' do
+  let(:issue) { create(:issue) }
   describe "#upvotes" do
     it "with no notes has a 0/0 score" do
-      merge_request.upvotes.should == 0
+      issue.upvotes.should == 0
     end
     it "should recognize non-+1 notes" do
-      merge_request.notes << create(:note, note: "No +1 here")
-      merge_request.should have(1).note
-      merge_request.notes.first.upvote?.should be_false
-      merge_request.upvotes.should == 0
+      add_note "No +1 here"
+      issue.should have(1).note
+      issue.notes.first.upvote?.should be_false
+      issue.upvotes.should == 0
     end
     it "should recognize a single +1 note" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.upvotes.should == 1
+      add_note "+1 This is awesome"
+      issue.upvotes.should == 1
     end
     it "should recognize multiple +1 notes" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.notes << create(:note, note: "+1 I want this")
-      merge_request.upvotes.should == 2
+      add_note "+1 This is awesome"
+      add_note "+1 I want this"
+      issue.upvotes.should == 2
     end
   end
   describe "#downvotes" do
     it "with no notes has a 0/0 score" do
-      merge_request.downvotes.should == 0
+      issue.downvotes.should == 0
     end
     it "should recognize non--1 notes" do
-      merge_request.notes << create(:note, note: "Almost got a -1")
-      merge_request.should have(1).note
-      merge_request.notes.first.downvote?.should be_false
-      merge_request.downvotes.should == 0
+      add_note "Almost got a -1"
+      issue.should have(1).note
+      issue.notes.first.downvote?.should be_false
+      issue.downvotes.should == 0
     end
     it "should recognize a single -1 note" do
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.downvotes.should == 1
+      add_note "-1 This is bad"
+      issue.downvotes.should == 1
     end
     it "should recognize multiple -1 notes" do
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.notes << create(:note, note: "-1 Away with this")
-      merge_request.downvotes.should == 2
+      add_note "-1 This is bad"
+      add_note "-1 Away with this"
+      issue.downvotes.should == 2
     end
   end
   describe "#votes_count" do
     it "with no notes has a 0/0 score" do
-      merge_request.votes_count.should == 0
+      issue.votes_count.should == 0
     end
     it "should recognize non notes" do
-      merge_request.notes << create(:note, note: "No +1 here")
-      merge_request.should have(1).note
-      merge_request.votes_count.should == 0
+      add_note "No +1 here"
+      issue.should have(1).note
+      issue.votes_count.should == 0
     end
     it "should recognize a single +1 note" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.votes_count.should == 1
+      add_note "+1 This is awesome"
+      issue.votes_count.should == 1
     end
     it "should recognize a single -1 note" do
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.votes_count.should == 1
+      add_note "-1 This is bad"
+      issue.votes_count.should == 1
     end
     it "should recognize multiple notes" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.notes << create(:note, note: "+1 I want this")
-      merge_request.votes_count.should == 3
+      add_note "+1 This is awesome"
+      add_note "-1 This is bad"
+      add_note "+1 I want this"
+      issue.votes_count.should == 3
     end
   end
   describe "#upvotes_in_percent" do
     it "with no notes has a 0% score" do
-      merge_request.upvotes_in_percent.should == 0
+      issue.upvotes_in_percent.should == 0
     end
     it "should count a single 1 note as 100%" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.upvotes_in_percent.should == 100
+      add_note "+1 This is awesome"
+      issue.upvotes_in_percent.should == 100
     end
     it "should count multiple +1 notes as 100%" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.notes << create(:note, note: "+1 I want this")
-      merge_request.upvotes_in_percent.should == 100
+      add_note "+1 This is awesome"
+      add_note "+1 I want this"
+      issue.upvotes_in_percent.should == 100
     end
     it "should count fractions for multiple +1 and -1 notes correctly" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.notes << create(:note, note: "+1 I want this")
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.notes << create(:note, note: "+1 me too")
-      merge_request.upvotes_in_percent.should == 75
+      add_note "+1 This is awesome"
+      add_note "+1 I want this"
+      add_note "-1 This is bad"
+      add_note "+1 me too"
+      issue.upvotes_in_percent.should == 75
     end
   end
   describe "#downvotes_in_percent" do
     it "with no notes has a 0% score" do
-      merge_request.downvotes_in_percent.should == 0
+      issue.downvotes_in_percent.should == 0
     end
     it "should count a single -1 note as 100%" do
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.downvotes_in_percent.should == 100
+      add_note "-1 This is bad"
+      issue.downvotes_in_percent.should == 100
     end
     it "should count multiple -1 notes as 100%" do
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.notes << create(:note, note: "-1 Away with this")
-      merge_request.downvotes_in_percent.should == 100
+      add_note "-1 This is bad"
+      add_note "-1 Away with this"
+      issue.downvotes_in_percent.should == 100
     end
     it "should count fractions for multiple +1 and -1 notes correctly" do
-      merge_request.notes << create(:note, note: "+1 This is awesome")
-      merge_request.notes << create(:note, note: "+1 I want this")
-      merge_request.notes << create(:note, note: "-1 This is bad")
-      merge_request.notes << create(:note, note: "+1 me too")
-      merge_request.downvotes_in_percent.should == 25
+      add_note "+1 This is awesome"
+      add_note "+1 I want this"
+      add_note "-1 This is bad"
+      add_note "+1 me too"
+      issue.downvotes_in_percent.should == 25
     end
   end
+
+  def add_note(text)
+    issue.notes << create(:note, note: text, project: issue.project)
+  end
 end

spec/models/project_spec.rb

@@ -39,7 +39,6 @@ describe Project do
     it { should have_many(:snippets).dependent(:destroy) }
     it { should have_many(:deploy_keys).dependent(:destroy) }
     it { should have_many(:hooks).dependent(:destroy) }
-    it { should have_many(:wikis).dependent(:destroy) }
     it { should have_many(:protected_branches).dependent(:destroy) }
   end
@@ -97,6 +96,7 @@ describe Project do
   end
   describe "last_activity methods" do
+    before { enable_observers }
     let(:project)    { create(:project) }
     let(:last_event) { double(created_at: Time.now) }

spec/observers/issue_observer_spec.rb

@@ -4,11 +4,7 @@ describe IssueObserver do
   let(:some_user)      { create :user }
   let(:assignee)       { create :user }
   let(:author)         { create :user }
-  let(:mock_issue)     { double(:issue, id: 42, assignee: assignee, author: author) }
-  let(:assigned_issue)   { create(:issue, assignee: assignee, author: author) }
-  let(:unassigned_issue) { create(:issue, author: author) }
-  let(:closed_assigned_issue)   { create(:closed_issue, assignee: assignee, author: author) }
-  let(:closed_unassigned_issue) { create(:closed_issue, author: author) }
+  let(:mock_issue)     { create(:issue, assignee: assignee, author: author) }
   before { subject.stub(:current_user).and_return(some_user) }
@@ -18,15 +14,6 @@ describe IssueObserver do
   subject { IssueObserver.instance }
   describe '#after_create' do
-
-    it 'is called when an issue is created' do
-      subject.should_receive(:after_create)
-
-      Issue.observers.enable :issue_observer do
-        create(:issue, project: create(:project))
-      end
-    end
-
     it 'trigger notification to send emails' do
       subject.should_receive(:notification)
@@ -36,41 +23,28 @@ describe IssueObserver do
   context '#after_close' do
     context 'a status "closed"' do
+      before { mock_issue.stub(state: 'closed') }
+
       it 'note is created if the issue is being closed' do
-        Note.should_receive(:create_status_change_note).with(assigned_issue, some_user, 'closed')
-        assigned_issue.close
+        Note.should_receive(:create_status_change_note).with(mock_issue, some_user, 'closed')
+        subject.after_close(mock_issue, nil)
       end
       it 'trigger notification to send emails' do
-        subject.should_receive(:notification)
-
-        assigned_issue.close
-      end
-      it 'creates a note' do
-        Note.should_receive(:create_status_change_note).with(unassigned_issue, some_user, 'closed')
-        unassigned_issue.close
+        subject.notification.should_receive(:close_issue).with(mock_issue, some_user)
+        subject.after_close(mock_issue, nil)
       end
     end
     context 'a status "reopened"' do
-      it 'note is created if the issue is being reopened' do
-        Note.should_receive(:create_status_change_note).with(closed_assigned_issue, some_user, 'reopened')
-
-        closed_assigned_issue.reopen
-      end
-
-      it 'trigger notification to send emails' do
-        subject.should_receive(:notification)
-
-        closed_assigned_issue.reopen
-      end
-      it 'create a note' do
-        Note.should_receive(:create_status_change_note).with(closed_unassigned_issue, some_user, 'reopened')
-        closed_unassigned_issue.reopen
+      before { mock_issue.stub(state: 'reopened') }
+      it 'note is created if the issue is being reopened' do
+        Note.should_receive(:create_status_change_note).with(mock_issue, some_user, 'reopened')
+        subject.after_reopen(mock_issue, nil)
       end
     end
   end
@@ -80,16 +54,6 @@ describe IssueObserver do
       mock_issue.stub(:is_being_reassigned?).and_return(false)
     end
-    it 'is called when an issue is changed' do
-      changed = create(:issue, project: create(:project))
-      subject.should_receive(:after_update)
-
-      Issue.observers.enable :issue_observer do
-        changed.description = 'I changed'
-        changed.save
-      end
-    end
-
     context 'notification' do
       it 'triggered if the issue is being reassigned' do
         mock_issue.should_receive(:is_being_reassigned?).and_return(true)

spec/observers/merge_request_observer_spec.rb

@@ -16,12 +16,6 @@ describe MergeRequestObserver do
   subject { MergeRequestObserver.instance }
   describe '#after_create' do
-
-    it 'is called when a merge request is created' do
-      subject.should_receive(:after_create)
-      create(:merge_request, project: create(:project))
-    end
-
     it 'trigger notification service' do
       subject.should_receive(:notification)
       subject.after_create(mr_mock)

spec/observers/user_observer_spec.rb

 require 'spec_helper'
 describe UserObserver do
+  before(:each) { enable_observers }
   subject { UserObserver.instance }
   before { subject.stub(notification: mock('NotificationService').as_null_object) }

spec/observers/users_project_observer_spec.rb

 require 'spec_helper'
 describe UsersProjectObserver do
+  before(:each) { enable_observers }
+
   let(:user) { create(:user) }
   let(:project) { create(:project) }
   subject { UsersProjectObserver.instance }

spec/requests/api/milestones_spec.rb

@@ -2,6 +2,7 @@ require 'spec_helper'
 describe Gitlab::API do
   include ApiHelpers
+  before(:each) { enable_observers }
   let(:user) { create(:user) }
   let!(:project) { create(:project, namespace: user.namespace ) }

spec/requests/api/projects_spec.rb

@@ -2,6 +2,7 @@ require 'spec_helper'
 describe Gitlab::API do
   include ApiHelpers
+  before(:each) { enable_observers }
   let(:user) { create(:user) }
   let(:user2) { create(:user) }

spec/spec_helper.rb

@@ -41,13 +41,15 @@ Spork.prefork do
     config.include FactoryGirl::Syntax::Methods
     config.include Devise::TestHelpers, type: :controller
+    config.include TestEnv
+
     # If you're not using ActiveRecord, or you'd prefer not to run each of your
     # examples within a transaction, remove the following line or assign false
     # instead of true.
     config.use_transactional_fixtures = false
     config.before do
-      TestEnv.init
+      TestEnv.init(observers: false)
     end
   end
 end

spec/support/test_env.rb

@@ -12,7 +12,15 @@ module TestEnv
   # -  add_key
   # -  remove_key
   #
-  def init
+  def init(opts = {})
+    # Disable observers to improve test speed
+    #
+    # You can enable it in whole test case where needed by next string:
+    #
+    #   before(:each) { enable_observers }
+    #
+    disable_observers if opts[:observers] == false
+
     # Use tmp dir for FS manipulations
     repos_path = Rails.root.join('tmp', 'test-git-base-path')
     Gitlab.config.gitlab_shell.stub(repos_path: repos_path)
@@ -60,4 +68,12 @@ module TestEnv
     command = "git init --quiet --bare #{path};"
     system(command)
   end
+
+  def enable_observers
+    ActiveRecord::Base.observers.enable(:all)
+  end
+
+  def disable_observers
+    ActiveRecord::Base.observers.disable(:all)
+  end
 end