From b65dca60a9e0d37ebc142c037218afcc24360e1a Mon Sep 17 00:00:00 2001
From: Anton Chuchkalov <a2new@yandex.ru>
Date: Fri, 20 Nov 2015 18:31:54 +0300
Subject: [PATCH] specs for several connectors

---
 devops-service/Gemfile                        |   2 +-
 devops-service/Gemfile.lock                   |   2 +-
 devops-service/db/mongo/connectors/filter.rb  |  17 +-
 .../connectors/helpers/update_command.rb      |  14 +-
 devops-service/db/mongo/connectors/project.rb |  20 +-
 devops-service/db/mongo/models/project.rb     |  21 +-
 .../stack_template/stack_template_factory.rb  |   2 +
 .../spec/connectors/filter_connector_spec.rb  |  90 ++++++
 .../spec/connectors/image_connector_spec.rb   |  37 +++
 .../spec/connectors/key_connector_spec.rb     |  62 ++++
 .../spec/connectors/project_connector_spec.rb | 295 ++++++++++++++++++
 .../connectors/shared_connectors_context.rb   |  22 ++
 .../stack_template_connector_spec.rb          |  42 +++
 .../spec/connectors/tester_connector/base.rb  |  53 ++++
 .../connectors/tester_connector/filter.rb     |   6 +
 .../spec/connectors/tester_connector/image.rb |   6 +
 .../spec/connectors/tester_connector/key.rb   |   6 +
 .../connectors/tester_connector/project.rb    |   6 +
 .../tester_connector/stack_template.rb        |   6 +
 devops-service/spec/factories/key.rb          |   1 +
 devops-service/spec/factories/project.rb      |  12 +
 devops-service/spec/factories/report.rb       |   4 +-
 .../models/deploy_env/deploy_env_ec2_spec.rb  |  14 +-
 .../deploy_env/deploy_env_openstack_spec.rb   |  14 +-
 devops-service/spec/models/project_spec.rb    |  49 +++
 devops-service/spec/models/server_spec.rb     |   3 +-
 .../spec/models/shared_models_context.rb      |  13 +
 devops-service/spec/spec_helper.rb            |   8 +
 devops-service/spec/support/array_matcher.rb  |  13 +
 .../spec/support/shared_connectors_specs.rb   | 127 ++++++++
 devops-service/spec/support/spec_support.rb   |   8 +
 31 files changed, 909 insertions(+), 66 deletions(-)
 create mode 100644 devops-service/spec/connectors/filter_connector_spec.rb
 create mode 100644 devops-service/spec/connectors/image_connector_spec.rb
 create mode 100644 devops-service/spec/connectors/key_connector_spec.rb
 create mode 100644 devops-service/spec/connectors/project_connector_spec.rb
 create mode 100644 devops-service/spec/connectors/shared_connectors_context.rb
 create mode 100644 devops-service/spec/connectors/stack_template_connector_spec.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/base.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/filter.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/image.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/key.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/project.rb
 create mode 100644 devops-service/spec/connectors/tester_connector/stack_template.rb
 create mode 100644 devops-service/spec/factories/project.rb
 create mode 100644 devops-service/spec/models/project_spec.rb
 create mode 100644 devops-service/spec/models/shared_models_context.rb
 create mode 100644 devops-service/spec/support/array_matcher.rb
 create mode 100644 devops-service/spec/support/shared_connectors_specs.rb

diff --git a/devops-service/Gemfile b/devops-service/Gemfile
index 96840ba..13b88c3 100644
--- a/devops-service/Gemfile
+++ b/devops-service/Gemfile
@@ -10,7 +10,7 @@ gem "sinatra-websocket"#, "~>0.3.0"
 gem "fog", "~>1.20"
 gem "mixlib-shellout"
 gem "chef", ">=12"
-gem "mongo"
+gem "mongo", '1.12.3'
 gem "bson_ext"
 gem "multi_json", "1.7.8"
 gem "sidekiq", "3.2.6"
diff --git a/devops-service/Gemfile.lock b/devops-service/Gemfile.lock
index b5bf929..31da4a0 100644
--- a/devops-service/Gemfile.lock
+++ b/devops-service/Gemfile.lock
@@ -344,7 +344,7 @@ DEPENDENCIES
   httpclient
   mime-types (~> 1.25.1)
   mixlib-shellout
-  mongo
+  mongo (= 1.12.3)
   multi_json (= 1.7.8)
   rack (= 1.5.2)
   rack-accept-media-types
diff --git a/devops-service/db/mongo/connectors/filter.rb b/devops-service/db/mongo/connectors/filter.rb
index 8fde9c1..3bea129 100644
--- a/devops-service/db/mongo/connectors/filter.rb
+++ b/devops-service/db/mongo/connectors/filter.rb
@@ -20,23 +20,24 @@ module Connectors
       f = collection.find('type' => 'image', 'provider' => provider).to_a.first
       if f.nil?
         collection.insert('type' => 'image', 'provider' => provider, 'images' => images)
-        return images
+        images
       else
         f['images'] |= images
         collection.update({'_id' => f['_id']}, f)
-        return f['images']
+        f['images']
       end
     end
 
     def delete_available_images images, provider
       return unless images.is_a?(Array)
-      f = collection.find('type' => 'image', 'provider' => provider).to_a.first
-      unless f.nil?
-        f['images'] -= images
-        collection.update({'_id' => f['_id']}, f)
-        return f['images']
+      filter = collection.find('type' => 'image', 'provider' => provider).to_a.first
+      if filter
+        filter['images'] -= images
+        collection.update({'_id' => filter['_id']}, filter)
+        filter['images']
+      else
+        []
       end
-      []
     end
   end
 end
diff --git a/devops-service/db/mongo/connectors/helpers/update_command.rb b/devops-service/db/mongo/connectors/helpers/update_command.rb
index e1ebec7..674eb60 100644
--- a/devops-service/db/mongo/connectors/helpers/update_command.rb
+++ b/devops-service/db/mongo/connectors/helpers/update_command.rb
@@ -14,16 +14,10 @@ module Connectors
       end
 
       def update(record)
-        begin
-          record.validate!
-          collection.update({"_id" => record.id}, record.to_mongo_hash)
-          record
-        rescue Mongo::OperationFailure => e
-          if e.message =~ /^11000/
-            resource_name = StringHelper.underscore_class(record.class)
-            raise InvalidRecord.new("Duplicate key error: #{resource_name} with id '#{record.id}'")
-          end
-        end
+        record.validate!
+        r = collection.update({"_id" => record.id}, record.to_mongo_hash)
+        raise RecordNotFound.new("'#{record.id}' not found") if r['n'] == 0
+        record
       end
 
     end
diff --git a/devops-service/db/mongo/connectors/project.rb b/devops-service/db/mongo/connectors/project.rb
index 4f10fe2..abe74f9 100644
--- a/devops-service/db/mongo/connectors/project.rb
+++ b/devops-service/db/mongo/connectors/project.rb
@@ -2,9 +2,7 @@ module Connectors
   class Project < Base
     include Helpers::InsertCommand,
       Helpers::ShowCommand,
-#      Helpers::ListCommand,
       Helpers::DeleteCommand
-#      Helpers::UpdateCommand
 
 
     def initialize(db)
@@ -73,7 +71,7 @@ module Connectors
       res.each do |ar|
         r[ar['_id']] = ar['envs']
       end
-      return r
+      r
     end
 
     def projects_by_image(image)
@@ -98,10 +96,9 @@ module Connectors
       project
     end
 
+    # {find all projects with deploy_envs with field=value}, {return deploy_envs with field=value}
     def projects_and_deploy_envs_by_field field, value
-      q = {}
-      q[field] = value
-      # {find all projects with deploy_envs with field=value}, {return deploy_envs with field=value}
+      q = {field => value}
       list( {'deploy_envs' => {'$elemMatch' => q}}, {:fields => {'deploy_envs' => {'$elemMatch' => q}}} )
     end
 
@@ -114,12 +111,12 @@ module Connectors
     end
 
     def set_project_env_run_list(project_id, env, run_list)
-      Helpers::RunList.new(run_list).validate!
+      ::Validators::Helpers::RunList.new(run_list).validate!
       set_project_deploy_env_field(project_id, env, {"run_list" => run_list})
     end
 
-    def set_project_run_list(project_id, env, run_list)
-      Helpers::RunList.new(run_list).validate!
+    def set_project_run_list(project_id, run_list)
+      ::Validators::Helpers::RunList.new(run_list).validate!
       @collection.update({"_id" => project_id}, {"$set" => {run_list: run_list}})
     end
 
@@ -128,17 +125,16 @@ module Connectors
     end
 
     def remove_deploy_env_from_project id, env
+      raise ArgumentError unless env.is_a?(String)
       @collection.update({"_id" => id}, {'$pull' => {deploy_envs: {identifier: env}} })
     end
 
     def project_update_field id, field, value
-      obj = {}
-      obj[field] = value
+      obj = {field => value}
       @collection.update({"_id" => id}, {'$set' => obj })
     end
 
     def project_update id, params
-      #raise InvalidRecord.new("You can not change project name for '#{id}'.") if params["name"]
       keys = %w(run_list description)
       params.delete_if{|k,v| !keys.include?(k)}
       @collection.update({"_id" => id}, {'$set' => params })
diff --git a/devops-service/db/mongo/models/project.rb b/devops-service/db/mongo/models/project.rb
index e34a779..8b14847 100644
--- a/devops-service/db/mongo/models/project.rb
+++ b/devops-service/db/mongo/models/project.rb
@@ -23,16 +23,27 @@ module Devops
 
       attr_accessor :id, :deploy_envs, :type, :archived, :description, :run_list
 
-      types :id => {:type => String, :empty => false},
-            :deploy_envs => {:type => Array, :value_type => false, :empty => false},
-            :description => {:type => String, :empty => true, :nil => true},
-            :run_list => {:type => Array, :value_type => String, :empty => true, :nil => false}
-
       MULTI_TYPE = "multi"
 
+      set_field_validators :id, [::Validators::FieldValidator::NotNil,
+                                    ::Validators::FieldValidator::FieldType::String,
+                                    ::Validators::FieldValidator::NotEmpty]
+
+      set_field_validators :deploy_envs, [::Validators::FieldValidator::NotNil,
+                                    ::Validators::FieldValidator::FieldType::Array,
+                                    ::Validators::FieldValidator::NotEmpty]
+
+      set_field_validators :description, [::Validators::FieldValidator::Nil,
+                                    ::Validators::FieldValidator::FieldType::String]
+
+      set_field_validators :run_list, [::Validators::FieldValidator::NotNil,
+                                      ::Validators::FieldValidator::FieldType::Array,
+                                      ::Validators::FieldValidator::RunList]
+
       set_validators ::Validators::DeployEnv::RunList,
                      ::Validators::DeployEnv::DeployEnvs
 
+
       def self.fields
         ["deploy_envs", "type", "description"]
       end
diff --git a/devops-service/db/mongo/models/stack_template/stack_template_factory.rb b/devops-service/db/mongo/models/stack_template/stack_template_factory.rb
index c085196..2094da3 100644
--- a/devops-service/db/mongo/models/stack_template/stack_template_factory.rb
+++ b/devops-service/db/mongo/models/stack_template/stack_template_factory.rb
@@ -1,6 +1,8 @@
 require_relative "stack_template_base"
 require_relative "stack_template_openstack"
 require_relative "stack_template_ec2"
+require 'providers/openstack'
+require 'providers/ec2'
 
 module Devops
   module Model
diff --git a/devops-service/spec/connectors/filter_connector_spec.rb b/devops-service/spec/connectors/filter_connector_spec.rb
new file mode 100644
index 0000000..2850835
--- /dev/null
+++ b/devops-service/spec/connectors/filter_connector_spec.rb
@@ -0,0 +1,90 @@
+require 'db/mongo/connectors/filter'
+require 'spec/connectors/tester_connector/filter'
+require_relative 'shared_connectors_context'
+
+RSpec.describe Connectors::Filter, type: :connector do
+  set_tester_connector TesterConnector::Filter
+  include_context 'connectors'
+  let(:provider) {'ec2'}
+
+  describe '#available_images' do
+    subject { @connector.available_images(provider) }
+
+    context 'when there is no filter for given provider' do
+      it 'returns empty array' do
+        expect(subject).to eq []
+      end
+
+      context 'when there is filter for given provider but for another type' do
+        it 'returns empty array' do
+          test_filter = {provider: provider, type: 'foo', images: ['foo', 'bar']}
+          @tester_connector.create(test_filter) do
+            expect(subject).to eq []
+          end
+        end
+      end
+    end
+
+    context 'when there is filter for given provider' do
+      it "returns array with images' names" do
+        test_filter = {provider: provider, type: 'image', images: ['foo', 'bar']}
+        @tester_connector.create(test_filter) do
+          expect(subject).to match_array ['foo', 'bar']
+        end
+      end
+    end
+  end
+
+  describe '#add_available_images', cleanup_after: :each do
+    subject { @connector.add_available_images(['foo'], provider) }
+
+    it "do nothing if images is not Array" do
+      expect {
+        result = @connector.add_available_images('foo', provider)
+        expect(result).to be_nil
+      }.not_to change {@tester_connector.list}
+    end
+
+    it 'creates filter if there is no one' do
+      expect(@tester_connector.list.empty?).to be true
+      expect(subject).to match_array ['foo']
+      expect(@tester_connector.list.empty?).to be false
+    end
+
+    it 'updates filter if one already exists' do
+      @tester_connector.create(provider: provider, type: 'image', images: ['bar'])
+      expect(subject).to match_array ['bar', 'foo']
+      expect(@tester_connector.list.first['images']).to match_array ['bar', 'foo']
+    end
+
+    it "doesn't duplicate images in filter" do
+      @tester_connector.create(provider: provider, type: 'image', images: ['foo'])
+      expect(subject).to match_array ['foo']
+      expect(@tester_connector.list.first['images']).to match_array ['foo']
+    end
+  end
+
+  describe '#delete_available_images' do
+    subject { @connector.delete_available_images(['foo'], provider) }
+    after { @tester_connector.cleanup }
+    let(:create_filter) { @tester_connector.create(provider: provider, type: 'image', images: ['foo', 'bar']) }
+
+    it 'does nothing if images is not Array' do
+      create_filter
+      expect {
+        result = @connector.delete_available_images('foo', provider)
+        expect(result).to be_nil
+      }.not_to change{ @tester_connector.list.first['images'] }
+    end
+
+    it 'removes given images from filter' do
+      create_filter
+      expect(subject).to match_array ['bar']
+      expect(@tester_connector.list.first['images']).to match_array ['bar']
+    end
+
+    it 'returns empty array if there is no filter' do
+      expect(subject).to eq []
+    end
+  end
+end
diff --git a/devops-service/spec/connectors/image_connector_spec.rb b/devops-service/spec/connectors/image_connector_spec.rb
new file mode 100644
index 0000000..585d728
--- /dev/null
+++ b/devops-service/spec/connectors/image_connector_spec.rb
@@ -0,0 +1,37 @@
+require 'db/mongo/connectors/image'
+require 'spec/connectors/tester_connector/image'
+require_relative 'shared_connectors_context'
+
+RSpec.describe Connectors::Image, type: :connector do
+  set_tester_connector TesterConnector::Image
+  include_context 'connectors'
+  let(:model_class) { Devops::Model::Image }
+
+  include_examples 'mongo connector', {
+    model_name: :image,
+    only: [:insert, :show, :update, :delete],
+    field_to_update: :name
+  }
+
+  describe '#images', cleanup_after: :each do
+    subject { @connector.images('ec2') }
+
+    it 'should be empty if collection is empty' do
+      expect(subject).to eq []
+    end
+
+    it "returns array of Model::Key's of given provider" do
+      @tester_connector.create(provider: 'ec2')
+      @tester_connector.create(provider: 'openstack')
+      expect(subject).to be_an_array_of(model_class).and have_size(1)
+      expect(subject.first.provider).to eq 'ec2'
+    end
+
+    it 'returns images for both providers if is is unset' do
+      @tester_connector.create(provider: 'ec2')
+      @tester_connector.create(provider: 'openstack')
+      expect(@connector.images.length).to eq 2
+    end
+  end
+
+end
diff --git a/devops-service/spec/connectors/key_connector_spec.rb b/devops-service/spec/connectors/key_connector_spec.rb
new file mode 100644
index 0000000..9be46ee
--- /dev/null
+++ b/devops-service/spec/connectors/key_connector_spec.rb
@@ -0,0 +1,62 @@
+require 'db/mongo/connectors/key'
+require 'db/mongo/models/key'
+require 'spec/connectors/tester_connector/key'
+require_relative 'shared_connectors_context'
+
+RSpec.describe Connectors::Key, type: :connector do
+  set_tester_connector TesterConnector::Key
+  include_context 'connectors'
+  let(:model_class) { Devops::Model::Key }
+
+  include_examples 'mongo connector', model_name: :key, only: [:insert, :list]
+
+  describe '#key' do
+    context 'when scope was passed' do
+      subject { @connector.key('foo') }
+
+      it 'raises RecordNotFound when there is no such record' do
+        expect { subject }.to raise_error(RecordNotFound)
+      end
+
+      it 'returns record if was found' do
+        @tester_connector.create(id: 'foo') do
+          expect(subject).to be_an_instance_of(model_class)
+        end
+      end
+    end
+
+    context 'when scope was passed' do
+      subject { @connector.key('foo', 'user') }
+
+      it 'raises RecordNotFound when there is no such record' do
+        expect { subject }.to raise_error(RecordNotFound)
+      end
+
+      it 'returns record if was found' do
+        @tester_connector.create(id: 'foo', scope: 'user') do
+          expect(subject).to be_an_instance_of(model_class)
+        end
+      end
+    end
+  end
+
+  describe '#key_delete' do
+    subject { @connector.key_delete('foo') }
+
+    it 'raises RecordNotFound if there is no such record' do
+      expect{ subject }.to raise_error(RecordNotFound)
+    end
+
+    it 'remove key in "user" scope' do
+      @tester_connector.create(id: 'foo', scope: 'user')
+      subject
+      expect(@tester_connector.list).to eq []
+    end
+
+    it "doesn't remove key in 'system' scope" do
+      @tester_connector.create(id: 'foo', scope: 'system') do
+        expect {subject}.to raise_error RecordNotFound
+      end
+    end
+  end
+end
diff --git a/devops-service/spec/connectors/project_connector_spec.rb b/devops-service/spec/connectors/project_connector_spec.rb
new file mode 100644
index 0000000..2b86bd8
--- /dev/null
+++ b/devops-service/spec/connectors/project_connector_spec.rb
@@ -0,0 +1,295 @@
+require 'db/mongo/connectors/project'
+require 'spec/connectors/tester_connector/project'
+require_relative 'shared_connectors_context'
+
+RSpec.describe Connectors::Project, type: :connector do
+  set_tester_connector TesterConnector::Project
+  include_context 'connectors'
+  let(:model_class) { Devops::Model::Project }
+
+  include_examples 'mongo connector', {
+    model_name: :project,
+    factory_name: :project,
+    only: [:insert, :show, :delete],
+    field_to_update: :deploy_envs
+  }
+
+  describe '#is_project_exists?' do
+    subject { @connector.is_project_exists?(build(:project, id: 'foo')) }
+    it 'returns true if project exists' do
+      @tester_connector.create(id: 'foo') do
+        expect(subject).to be true
+      end
+    end
+    it 'returns false if project doesn\'t exists' do
+      expect(subject).to be false
+    end
+  end
+
+  describe '#projects_all' do
+    it 'returns array of projects' do
+      @tester_connector.create_list(2) do
+        result = @connector.projects_all
+        expect(result).to be_an_array_of(model_class).and have_size(2)
+      end
+    end
+  end
+
+  describe '#projects', cleanup_after: :all do
+    before(:all) do
+      @tester_connector.create build(:project, id: 'foo', type: 'multi').to_mongo_hash
+      @tester_connector.create build(:project, id: 'bar', archived: true).to_mongo_hash
+      @tester_connector.create build(:project, id: 'baz').to_mongo_hash
+    end
+
+    it 'returns non archived projects with all params unset' do
+      expect(@connector.projects).to have_size(2)
+    end
+
+    it 'returns projects with given ids' do
+      result = @connector.projects(%w(foo baz))
+      expect(result).to be_an_array_of(model_class)
+      expect(result.map(&:id)).to match_array(%w(foo baz))
+    end
+
+    it 'returns multi projects if @type == :multi' do
+      expect(
+        @connector.projects(nil, :multi).map(&:id)
+      ).to match_array ['foo']
+    end
+
+    it 'returns only given fields and id if @fields is set' do
+      result = @connector.projects(nil, nil, [:deploy_envs])
+      expect(result.map(&:id).compact).not_to eq []
+      expect(result.map(&:deploy_envs).compact).not_to eq []
+      expect(result.map(&:description).compact).to eq []
+    end
+
+    it 'returns only archived projects if @archived=true' do
+      result = @connector.projects(nil, nil, [], true)
+      expect(result.map(&:id)).to match_array(%w(bar))
+    end
+  end
+
+  describe '#project_names_with_envs', cleanup_after: :all do
+    before(:all) do
+      @tester_connector.create(
+        id: 'foo',
+        deploy_envs: [{identifier: 'env1'}, {identifier: 'env2'}]
+      )
+      @tester_connector.create(
+        id: 'bar',
+        deploy_envs: [{identifier: 'env3'}, {identifier: 'env4'}]
+      )
+    end
+
+    it 'returns hash like {"project_name" => ["env1", "env2]}' do
+      result = @connector.project_names_with_envs
+      expect(result.keys.sort).to match_array %w(foo bar)
+      expect(result['foo'].sort).to match_array %w(env1 env2)
+      expect(result['bar'].sort).to match_array %w(env3 env4)
+    end
+
+    it 'returns only projects with given names' do
+      expect(@connector.project_names_with_envs(['bar']).keys).to match_array %w(bar)
+    end
+  end
+
+  describe '#projects_by_image', cleanup_after: :each do
+    def env(image)
+      {image: image, provider: 'ec2'}
+    end
+
+    it 'returns projects deploy_envs of which have given image' do
+      @tester_connector.create(id: 'foo', deploy_envs: [env('a'), env('b')])
+      @tester_connector.create(id: 'bar', deploy_envs: [env('a'), env('a')])
+      @tester_connector.create(id: 'baz', deploy_envs: [env('b'), env('b')])
+      result = @connector.projects_by_image('a')
+      expect(result).to be_an_array_of(model_class)
+      expect(result.map(&:id)).to match_array %w(foo bar)
+    end
+  end
+
+  describe '#projects_by_user', cleanup_after: :each do
+    def env(users)
+      {users: users, provider: 'ec2'}
+    end
+
+    it 'returns projects deploy_envs of which have given user' do
+      @tester_connector.create(id: 'foo', deploy_envs: [ env(%w(user1 user2)) ])
+      @tester_connector.create(id: 'bar', deploy_envs: [ env(%w(user1 user1)) ])
+      @tester_connector.create(id: 'baz', deploy_envs: [ env(%w(user2 user2)) ])
+      @tester_connector.create(id: 'baf', deploy_envs: [ env(%w(user1)), env(%w(user2)) ])
+      result = @connector.projects_by_user('user1')
+      expect(result).to be_an_array_of(model_class)
+      expect(result.map(&:id)).to match_array %w(foo bar baf)
+    end
+  end
+
+  describe '#archive_project' do
+    it 'sets archived to true' do
+      @tester_connector.create(id: 'foo') do
+        @connector.archive_project('foo')
+        expect(@tester_connector.show('foo')).to include('archived' => true)
+      end
+    end
+  end
+
+  describe '#unarchive_project' do
+    it 'unsets archived' do
+      @tester_connector.create(id: 'foo', archived: true) do
+        @connector.unarchive_project('foo')
+        expect(@tester_connector.show('foo')).not_to include('archived')
+      end
+    end
+  end
+
+  describe '#check_project_auth', cleanup_after: :all do
+    before(:all) do
+      @tester_connector.create(id: 'foo', deploy_envs: [
+        {identifier: 'bar', provider: 'ec2', users: %w(user1)}
+      ])
+    end
+
+    it "raises InvalidPrivileges if given env users don't include given user" do
+      expect {
+        @connector.check_project_auth('foo', 'bar', 'user2')
+      }.to raise_error(InvalidPrivileges)
+    end
+
+    it "returns project if env's users include given user" do
+      result = @connector.check_project_auth('foo', 'bar', 'user1')
+      expect(result).to be_an_instance_of(model_class)
+      expect(result.id).to eq 'foo'
+    end
+  end
+
+  describe '#projects_and_deploy_envs_by_field', cleanup_after: :all do
+    def env(field, value)
+      {provider: 'ec2', field => value}
+    end
+    before(:all) do
+      @tester_connector.create(id: 'foo', deploy_envs: [
+        env(:image, 'image1'), env(:stack_template, 'template1')
+      ])
+    end
+
+    it 'returns projects with deploy envs containing given field with given value' do
+      expect(
+        @connector.projects_and_deploy_envs_by_field(:image, 'image1').map(&:id)
+      ).to match_array %w(foo)
+
+      expect(
+        @connector.projects_and_deploy_envs_by_field(:stack_template, 'template1').map(&:id)
+      ).to match_array %w(foo)
+    end
+  end
+
+  describe '#set_project_deploy_env_field', cleanup_after: :each do
+    it 'updates given env from given field_value_hash' do
+      @tester_connector.create(id: 'foo', deploy_envs: [
+        {identifier: 'bar', provider: 'ec2'}
+      ])
+      @connector.set_project_deploy_env_field('foo', 'bar', image: 'a', stack_template: 'b')
+      updated_project = @tester_connector.show('foo')
+      expect(updated_project['deploy_envs'].first['image']).to eq 'a'
+      expect(updated_project['deploy_envs'].first['stack_template']).to eq 'b'
+    end
+  end
+
+  describe '#set_project_env_run_list', cleanup_after: :all do
+    before(:all) do
+      @tester_connector.create(id: 'foo', deploy_envs: [{identifier: 'bar', provider: 'ec2'}])
+    end
+    before { allow_any_instance_of(Validators::Helpers::RunList).to receive(:validate!) }
+
+    it 'validates run list' do
+      run_list = []
+      expect_any_instance_of(Validators::Helpers::RunList).to receive(:validate!)
+      @connector.set_project_env_run_list('foo', 'bar', run_list)
+    end
+
+    it "updates env's RunList" do
+      run_list = ['role[foo]']
+      @connector.set_project_env_run_list('foo', 'bar', run_list)
+      expect(@tester_connector.show('foo')['deploy_envs'].first['run_list']).to eq run_list
+    end
+  end
+
+  describe '#set_project_env_run_list', cleanup_after: :all do
+    before(:all) do
+      @tester_connector.create(id: 'foo')
+    end
+    before { allow_any_instance_of(Validators::Helpers::RunList).to receive(:validate!) }
+
+    it 'validates run list' do
+      run_list = []
+      expect_any_instance_of(Validators::Helpers::RunList).to receive(:validate!)
+      @connector.set_project_run_list('foo', run_list)
+    end
+
+    it "updates project's RunList" do
+      run_list = ['role[foo]']
+      @connector.set_project_run_list('foo',  run_list)
+      expect(@tester_connector.show('foo')['run_list']).to eq run_list
+    end
+  end
+
+  describe '#add_deploy_env_to_project' do
+    it 'adds env to project' do
+      @tester_connector.create(id: 'foo', deploy_envs: []) do
+        @connector.add_deploy_env_to_project('foo', build(:deploy_env))
+        expect(@tester_connector.show('foo')['deploy_envs']).not_to be_empty
+      end
+    end
+  end
+
+  describe '#remove_deploy_env_from_project', cleanup_after: :each do
+    before { @tester_connector.create(id: 'foo', deploy_envs: [{identifier: 'bar'}]) }
+
+    it "removes env from project" do
+      @connector.remove_deploy_env_from_project('foo', 'bar')
+      expect(@tester_connector.show('foo')['deploy_envs']).to be_empty
+    end
+
+    it 'raises ArgumentError if given env is not a String' do
+      env = build(:deploy_env_ec2, identifier: 'bar')
+      expect { @connector.remove_deploy_env_from_project('foo', env) }.to raise_error(ArgumentError)
+    end
+  end
+
+  describe '#project_update_field', cleanup_after: :each do
+    before { @tester_connector.create(id: 'foo', description: 'desc', run_list: []) }
+    subject { @connector.project_update_field('foo', 'run_list', ['role[a]']) }
+
+    it 'updates given field of given project' do
+      expect {subject}.to change { @tester_connector.show('foo')['run_list'] }.to ['role[a]']
+    end
+
+    it "doesn't affect other fields" do
+      expect {subject}.not_to change { @tester_connector.show('foo')['desc'] }
+    end
+  end
+
+  describe '#project_update', cleanup_after: :each do
+    before { @tester_connector.create(id: 'foo', deploy_envs: [], description: 'desc', run_list: []) }
+    subject {
+      attrs = {'id' => 'foo2', 'deploy_envs' => [build(:deploy_env)], 'description' => 'desc2', 'run_list' => ['role[asd]']}
+      @connector.project_update('foo', attrs)
+    }
+    let(:updated_project) { @tester_connector.show('foo') }
+
+    it 'can update run_list and description' do
+      subject
+      expect(updated_project['run_list']).to eq ['role[asd]']
+      expect(updated_project['description']).to eq 'desc2'
+    end
+
+    it 'can not update other fields' do
+      subject
+      expect(updated_project['_id']).to eq 'foo'
+      expect(updated_project['deploy_envs']).to eq []
+    end
+  end
+
+end
diff --git a/devops-service/spec/connectors/shared_connectors_context.rb b/devops-service/spec/connectors/shared_connectors_context.rb
new file mode 100644
index 0000000..3c0fedb
--- /dev/null
+++ b/devops-service/spec/connectors/shared_connectors_context.rb
@@ -0,0 +1,22 @@
+def set_tester_connector(klass)
+  define_method :tester_connector_class do
+    klass
+  end
+end
+
+RSpec.shared_context 'connectors' do
+  before(:all) do
+    @connector = described_class.new(SpecSupport.db)
+    @tester_connector = tester_connector_class.new
+    @tester_connector.cleanup
+  end
+  after(:all){ @tester_connector.cleanup }
+end
+
+RSpec.shared_context 'cleanup after all', cleanup_after: :all do
+  after(:all){ @tester_connector.cleanup }
+end
+
+RSpec.shared_context 'cleanup after each', cleanup_after: :each do
+  after { @tester_connector.cleanup }
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/stack_template_connector_spec.rb b/devops-service/spec/connectors/stack_template_connector_spec.rb
new file mode 100644
index 0000000..edb9fe7
--- /dev/null
+++ b/devops-service/spec/connectors/stack_template_connector_spec.rb
@@ -0,0 +1,42 @@
+require 'db/mongo/connectors/stack_template'
+require 'spec/connectors/tester_connector/stack_template'
+require_relative 'shared_connectors_context'
+
+RSpec.describe Connectors::StackTemplate, type: :connector do
+  set_tester_connector TesterConnector::StackTemplate
+  include_context 'connectors'
+  let(:model_class) { Devops::Model::StackTemplateEc2 }
+
+  include_examples 'mongo connector', {
+    model_name: :stack_template,
+    factory_name: :stack_template_ec2,
+    only: [:insert, :show, :update, :delete],
+    field_to_update: :owner
+  }
+
+  describe '#stack_templates' do
+    subject { @connector.stack_templates('ec2') }
+
+    it 'should be empty if collection is empty' do
+      expect(subject).to eq []
+    end
+
+    it "returns array of stack_templates of given provider" do
+      @tester_connector.create(provider: 'ec2')
+      @tester_connector.create(provider: 'openstack')
+      expect(subject).to be_a(Array)
+      expect(subject.length).to eq 1
+      expect(subject.first).to be_an_instance_of(model_class)
+      expect(subject.first.provider).to eq 'ec2'
+      @tester_connector.cleanup
+    end
+
+    it 'returns stack_templates for both providers if is is unset' do
+      @tester_connector.create(provider: 'ec2')
+      @tester_connector.create(provider: 'openstack')
+      expect(@connector.stack_templates.length).to eq 2
+      @tester_connector.cleanup
+    end
+  end
+
+end
diff --git a/devops-service/spec/connectors/tester_connector/base.rb b/devops-service/spec/connectors/tester_connector/base.rb
new file mode 100644
index 0000000..4f595ab
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/base.rb
@@ -0,0 +1,53 @@
+module TesterConnector
+  class Base
+    attr_reader :collection
+
+    def initialize
+      collection_name = self.class.name.demodulize.underscore.pluralize
+      @collection = SpecSupport.db.collection(collection_name)
+      @next_id = 1
+    end
+
+    def create(hash={})
+      collection.insert(create_params(hash))
+      if block_given?
+        yield
+        cleanup
+      end
+    end
+
+    def create_list(size=2, hash={})
+      size.times { create(hash) }
+      if block_given?
+        yield
+        cleanup
+      end
+    end
+
+    def list
+      collection.find().to_a
+    end
+
+    def show(id)
+      collection.find({'_id' => id}).to_a.first
+    end
+
+    def cleanup
+      collection.remove
+    end
+
+    private
+
+    def create_params(hash)
+      params = hash.dup
+      if params[:id]
+        params['_id'] = params.delete(:id)
+      end
+      unless params['_id']
+        params['_id'] = @next_id
+        @next_id += 1
+      end
+      params
+    end
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/tester_connector/filter.rb b/devops-service/spec/connectors/tester_connector/filter.rb
new file mode 100644
index 0000000..c8cd04f
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/filter.rb
@@ -0,0 +1,6 @@
+require_relative 'base'
+
+module TesterConnector
+  class Filter < Base
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/tester_connector/image.rb b/devops-service/spec/connectors/tester_connector/image.rb
new file mode 100644
index 0000000..5f7ac86
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/image.rb
@@ -0,0 +1,6 @@
+require_relative 'base'
+
+module TesterConnector
+  class Image < Base
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/tester_connector/key.rb b/devops-service/spec/connectors/tester_connector/key.rb
new file mode 100644
index 0000000..f9dd014
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/key.rb
@@ -0,0 +1,6 @@
+require_relative 'base'
+
+module TesterConnector
+  class Key < Base
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/tester_connector/project.rb b/devops-service/spec/connectors/tester_connector/project.rb
new file mode 100644
index 0000000..36f45e2
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/project.rb
@@ -0,0 +1,6 @@
+require_relative 'base'
+
+module TesterConnector
+  class Project < Base
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/connectors/tester_connector/stack_template.rb b/devops-service/spec/connectors/tester_connector/stack_template.rb
new file mode 100644
index 0000000..38383aa
--- /dev/null
+++ b/devops-service/spec/connectors/tester_connector/stack_template.rb
@@ -0,0 +1,6 @@
+require_relative 'base'
+
+module TesterConnector
+  class StackTemplate < Base
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/factories/key.rb b/devops-service/spec/factories/key.rb
index 48b0262..06fb96e 100644
--- a/devops-service/spec/factories/key.rb
+++ b/devops-service/spec/factories/key.rb
@@ -2,6 +2,7 @@ require 'db/mongo/models/key'
 
 FactoryGirl.define do
   factory :key, class: Devops::Model::Key do
+    id 'user_key'
     path SpecSupport::BLANK_FILE
     scope 'user'
   end
diff --git a/devops-service/spec/factories/project.rb b/devops-service/spec/factories/project.rb
new file mode 100644
index 0000000..561085f
--- /dev/null
+++ b/devops-service/spec/factories/project.rb
@@ -0,0 +1,12 @@
+require 'db/mongo/models/project'
+
+FactoryGirl.define do
+  factory :project, class: Devops::Model::Project do
+    id 'my_project'
+    deploy_envs {
+      [build(:deploy_env_ec2)]
+    }
+    run_list []
+    description 'desc'
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/factories/report.rb b/devops-service/spec/factories/report.rb
index 70395a5..07711f0 100644
--- a/devops-service/spec/factories/report.rb
+++ b/devops-service/spec/factories/report.rb
@@ -13,8 +13,6 @@ FactoryGirl.define do
     updated_at Time.now
     status 'completed'
 
-    initialize_with {
-      new(attributes.stringify_keys)
-    }
+    initialize_with { new(attributes.stringify_keys) }
   end
 end
\ No newline at end of file
diff --git a/devops-service/spec/models/deploy_env/deploy_env_ec2_spec.rb b/devops-service/spec/models/deploy_env/deploy_env_ec2_spec.rb
index 5b622b9..2d3b2d8 100644
--- a/devops-service/spec/models/deploy_env/deploy_env_ec2_spec.rb
+++ b/devops-service/spec/models/deploy_env/deploy_env_ec2_spec.rb
@@ -1,19 +1,9 @@
 require 'db/mongo/models/deploy_env/deploy_env_ec2'
+require_relative '../shared_models_context'
 
 RSpec.describe Devops::Model::DeployEnvEc2, type: :model do
   let(:env) { build(:deploy_env_ec2) }
-
-  before do
-    allow(Provider::ProviderFactory).to receive(:providers).and_return(%w(ec2))
-    allow_any_instance_of(Validators::Helpers::Users).to receive(:available_users).and_return(['root'])
-    allow_any_instance_of(Validators::DeployEnv::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
-    allow_any_instance_of(Validators::FieldValidator::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
-    allow_any_instance_of(Validators::DeployEnv::Groups).to receive(:available_groups).and_return(['default'])
-    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-    allow_any_instance_of(Validators::DeployEnv::StackTemplate).to receive(:available_stack_templates).and_return([{'id' => 'template'}])
-    allow_any_instance_of(Validators::FieldValidator::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-  end
+  include_context 'stubbed calls to connector in env validators'
 
   it_behaves_like 'deploy env'
   it_behaves_like 'cloud deploy env'
diff --git a/devops-service/spec/models/deploy_env/deploy_env_openstack_spec.rb b/devops-service/spec/models/deploy_env/deploy_env_openstack_spec.rb
index 428241f..08783b6 100644
--- a/devops-service/spec/models/deploy_env/deploy_env_openstack_spec.rb
+++ b/devops-service/spec/models/deploy_env/deploy_env_openstack_spec.rb
@@ -1,19 +1,9 @@
 require 'db/mongo/models/deploy_env/deploy_env_openstack'
+require_relative '../shared_models_context'
 
 RSpec.describe Devops::Model::DeployEnvOpenstack, type: :model do
   let(:env) { build(:deploy_env_openstack) }
-
-  before do
-    allow(Provider::ProviderFactory).to receive(:providers).and_return(%w(openstack))
-    allow_any_instance_of(Validators::Helpers::Users).to receive(:available_users).and_return(['root'])
-    allow_any_instance_of(Validators::DeployEnv::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
-    allow_any_instance_of(Validators::FieldValidator::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
-    allow_any_instance_of(Validators::DeployEnv::Groups).to receive(:available_groups).and_return(['default'])
-    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-    allow_any_instance_of(Validators::DeployEnv::StackTemplate).to receive(:available_stack_templates).and_return([{'id' => 'template'}])
-    allow_any_instance_of(Validators::FieldValidator::Image).to receive(:available_images).and_return([{'id' => 'image'}])
-  end
+  include_context 'stubbed calls to connector in env validators'
 
   it_behaves_like 'deploy env'
   it_behaves_like 'cloud deploy env'
diff --git a/devops-service/spec/models/project_spec.rb b/devops-service/spec/models/project_spec.rb
new file mode 100644
index 0000000..9b19eb2
--- /dev/null
+++ b/devops-service/spec/models/project_spec.rb
@@ -0,0 +1,49 @@
+require 'db/mongo/models/project'
+require_relative 'shared_models_context'
+
+RSpec.describe Devops::Model::Project, type: :model do
+  let(:project) { build(:project) }
+  include_context 'stubbed calls to connector in env validators'
+
+  describe 'validation rules:' do
+    include_examples 'field type validation', :id, :not_nil, :non_empty_string
+    include_examples 'field type validation', :deploy_envs, :not_nil, :non_empty_array
+    include_examples 'field type validation', :description, :maybe_nil, :maybe_empty_string
+    include_examples 'field type validation', :run_list, :not_nil, :maybe_empty_array, :run_list
+
+    it "isn't valid when has envs with same identifier" do
+      project.deploy_envs << build(:deploy_env_ec2)
+      expect(project).not_to be_valid
+    end
+
+    it "is valid when all envs have uniq identifiers" do
+      project.deploy_envs << build(:deploy_env_ec2, identifier: 'new')
+      expect(project).to be_valid
+    end
+
+    it "isn't valid when at least one of envs isn't valid" do
+      project.deploy_envs << build(:deploy_env_ec2, identifier: nil)
+      expect(project).not_to be_valid
+    end
+  end
+
+  describe '.fields' do
+    subject { described_class.fields }
+    it { should eq %w(deploy_envs type description) }
+  end
+
+  describe '#initialize' do
+    it 'sets @type to generic by default' do
+      expect(described_class.new.type).to eq 'generic'
+    end
+
+    it 'sets @archived to false by default' do
+      expect(described_class.new.archived).to eq false
+    end
+
+    it 'sets run_list to empty_array by default' do
+      expect(described_class.new.run_list).to eq []
+    end
+  end
+
+end
\ No newline at end of file
diff --git a/devops-service/spec/models/server_spec.rb b/devops-service/spec/models/server_spec.rb
index f970df8..d49f328 100644
--- a/devops-service/spec/models/server_spec.rb
+++ b/devops-service/spec/models/server_spec.rb
@@ -24,8 +24,7 @@ RSpec.describe Devops::Model::Server, type: :model do
     include_examples 'field type validation', :chef_node_name, :not_nil, :maybe_empty_string
     include_examples 'field type validation', :reserved_by, :not_nil, :maybe_empty_string
     include_examples 'field type validation', :stack, :maybe_nil, :non_empty_string
-    include_examples 'field type validation', :run_list, :not_nil, :maybe_empty_array
-    include_examples 'field type validation', :run_list, :run_list
+    include_examples 'field type validation', :run_list, :not_nil, :maybe_empty_array, :run_list
   end
 
   describe '#initialize' do
diff --git a/devops-service/spec/models/shared_models_context.rb b/devops-service/spec/models/shared_models_context.rb
new file mode 100644
index 0000000..51804e0
--- /dev/null
+++ b/devops-service/spec/models/shared_models_context.rb
@@ -0,0 +1,13 @@
+RSpec.shared_context 'stubbed calls to connector in env validators' do
+  before do
+    allow(Provider::ProviderFactory).to receive(:providers).and_return(%w(ec2 openstack))
+    allow_any_instance_of(Validators::Helpers::Users).to receive(:available_users).and_return(['root'])
+    allow_any_instance_of(Validators::DeployEnv::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
+    allow_any_instance_of(Validators::FieldValidator::Flavor).to receive(:available_flavors).and_return([{'id' => 'flavor'}])
+    allow_any_instance_of(Validators::DeployEnv::Groups).to receive(:available_groups).and_return(['default'])
+    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
+    allow_any_instance_of(Validators::DeployEnv::Image).to receive(:available_images).and_return([{'id' => 'image'}])
+    allow_any_instance_of(Validators::DeployEnv::StackTemplate).to receive(:available_stack_templates).and_return([{'id' => 'template'}])
+    allow_any_instance_of(Validators::FieldValidator::Image).to receive(:available_images).and_return([{'id' => 'image'}])
+  end
+end
diff --git a/devops-service/spec/spec_helper.rb b/devops-service/spec/spec_helper.rb
index 7552bf9..ac74d92 100644
--- a/devops-service/spec/spec_helper.rb
+++ b/devops-service/spec/spec_helper.rb
@@ -8,6 +8,10 @@ require 'active_support/inflector'
 root = File.join(File.dirname(__FILE__), "..")
 $LOAD_PATH.push root unless $LOAD_PATH.include? root
 
+# suppress output
+original_stdout = $stdout
+$stdout = File.open(File::NULL, "w")
+
 Dir[("./spec/support/**/*.rb")].each { |f| require f }
 
 # Factory girl configuration
@@ -21,6 +25,10 @@ FactoryGirl.find_definitions
 RSpec.configure do |config|
   config.include FactoryGirl::Syntax::Methods
 
+  config.after(:all) do
+    $stdout = original_stdout
+  end
+
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest
   # assertions if you prefer.
diff --git a/devops-service/spec/support/array_matcher.rb b/devops-service/spec/support/array_matcher.rb
new file mode 100644
index 0000000..34f7376
--- /dev/null
+++ b/devops-service/spec/support/array_matcher.rb
@@ -0,0 +1,13 @@
+RSpec::Matchers.define :be_an_array_of do |klass|
+  match do |actual|
+    actual.class == Array &&
+      actual.all? {|item| item.class == klass}
+  end
+end
+
+RSpec::Matchers.define :have_size do |length|
+  match { |actual| actual.length == length }
+  failure_message do |actual|
+    "expected #{actual} to have size #{expected} but have #{actual.length}"
+  end
+end
\ No newline at end of file
diff --git a/devops-service/spec/support/shared_connectors_specs.rb b/devops-service/spec/support/shared_connectors_specs.rb
new file mode 100644
index 0000000..2bfe99d
--- /dev/null
+++ b/devops-service/spec/support/shared_connectors_specs.rb
@@ -0,0 +1,127 @@
+RSpec.shared_examples 'mongo connector' do |options|
+  model_name = options.fetch(:model_name)
+  factory_name = options[:factory_name] || model_name
+  commands = options.fetch(:only)
+
+  if commands.include?(:insert)
+    insert_method_name = "#{model_name}_insert"
+
+    describe "##{insert_method_name}" do
+      let(:model) { build(factory_name) }
+      subject { @connector.send(insert_method_name, model) }
+
+      before { allow(model).to receive(:validate!).and_return(true) }
+      after { @tester_connector.cleanup }
+
+      it 'inserts new record' do
+        expect {subject}.to change {@tester_connector.list.size}.from(0).to(1)
+      end
+
+      it 'validates inserted record' do
+        expect(model).to receive(:validate!)
+        subject
+      end
+
+      it "doesn't insert nonvalid records" do
+        allow(model).to receive(:validate!) { raise InvalidRecord.new('') }
+        expect {subject}.to raise_error(InvalidRecord)
+      end
+
+      it 'sets created_at of record' do
+        expect(model.created_at).to be nil
+        subject
+        expect(@tester_connector.list.first['created_at']).not_to be nil
+      end
+
+      it 'raises error if record with such id already exists' do
+        @tester_connector.create(id: model.id)
+        expect {subject}.to raise_error(InvalidRecord)
+      end
+    end
+  end
+
+  if commands.include?(:list)
+    list_method_name = "#{model_name.to_s.pluralize}"
+
+    describe "##{list_method_name}" do
+      subject { @connector.send(list_method_name) }
+
+      it 'should be empty if collection is empty' do
+        expect(subject).to eq []
+      end
+
+      it "returns array of #{model_name.to_s.pluralize} if collection isn't empty" do
+        @tester_connector.create_list(2) do
+          expect(subject).to be_an_array_of(model_class).and have_size(2)
+        end
+      end
+    end
+  end
+
+  if commands.include?(:show)
+    show_method_name = model_name
+
+    describe "##{show_method_name}" do
+      subject { @connector.send(show_method_name, 'foo') }
+
+      it 'raises RecordNotFound when there is no such record' do
+        expect { subject }.to raise_error(RecordNotFound)
+      end
+
+      it 'returns record if was found' do
+        @tester_connector.create(build(factory_name, id: 'foo').to_mongo_hash) do
+          expect(subject).to be_an_instance_of(model_class)
+        end
+      end
+    end
+  end
+
+  if commands.include?(:update)
+    update_method_name = "#{model_name}_update"
+    field_to_update = options.fetch(:field_to_update).to_s
+
+    describe "##{update_method_name}" do
+      let(:model) { build(model_name, field_to_update => 'new_value') }
+      let(:insert_model_to_update) { @tester_connector.create(attributes_for(factory_name)) }
+      subject { @connector.send(update_method_name, model) }
+      before { allow(model).to receive(:validate!).and_return(true) }
+      after { @tester_connector.cleanup }
+
+      it 'validates updated record' do
+        insert_model_to_update
+        expect(model).to receive(:validate!)
+        subject
+      end
+
+      it 'updates record' do
+        insert_model_to_update
+        subject
+        updated_value = @tester_connector.list.first[field_to_update]
+        expect(updated_value).to eq 'new_value'
+      end
+
+      it 'raises RecordNotFound if there is no such record' do
+        expect{ subject }.to raise_error(RecordNotFound)
+      end
+    end
+  end
+
+  if commands.include?(:delete)
+    delete_method_name = "#{model_name}_delete"
+    describe "##{delete_method_name}" do
+      let(:model) { build(factory_name) }
+      let(:insert_model_to_delete) { @tester_connector.create(model.to_mongo_hash) }
+      subject { @connector.send(delete_method_name, model.id) }
+
+      it 'deletes record' do
+        insert_model_to_delete
+        expect {subject}.to change {@tester_connector.list.empty?}.to(true)
+        @tester_connector.cleanup
+      end
+
+      it 'raises RecordNotFound if there is no such record' do
+        expect { subject }.to raise_error(RecordNotFound)
+      end
+    end
+  end
+end
diff --git a/devops-service/spec/support/spec_support.rb b/devops-service/spec/support/spec_support.rb
index 159e1cf..2c5a04e 100644
--- a/devops-service/spec/support/spec_support.rb
+++ b/devops-service/spec/support/spec_support.rb
@@ -2,10 +2,18 @@ require 'core/devops-application'
 
 module SpecSupport
   BLANK_FILE = File.join(Devops::Application.root, 'spec/support/blank_file')
+  TEST_DB = 'devops_test'
 
   def stub_loggers
     allow(DevopsLogger).to receive_message_chain('logger.debug')
     allow(DevopsLogger).to receive_message_chain('logger.info')
     allow(DevopsLogger).to receive_message_chain('logger.error')
   end
+
+  def self.db
+    @db ||= begin
+      require 'mongo'
+      Mongo::MongoClient.new.db(TEST_DB)
+    end
+  end
 end
\ No newline at end of file