clean pull request

.travis.yml

@@ -2,7 +2,6 @@ sudo: required
 
 services:
   - docker
-  # https://docs.travis-ci.com/user/docker/
 
 addons:
   code_climate:
@@ -11,21 +10,14 @@ addons:
 before_install:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
-  - echo 'DOCKER_OPTS="-H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock --iptables=false"' | sudo tee /etc/default/docker > /dev/null
-  #- export DOCKER_HOST=tcp://192.168.23.75:2375
-  - sudo service docker restart
-  - sleep 5
-  #- docker pull openhpi/docker_java
-  - docker pull openhpi/docker_ruby
-#  - docker pull openhpi/docker_python
-
-#before_install:
- # - sudo apt-get update
-  #- sudo apt-get upgrade lxc-docker
-  #- echo 'DOCKER_OPTS="-H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock --iptables=false"' | sudo tee /etc/default/docker > /dev/null
-  #- sudo service docker restart
-  #- sleep 5
-  #- sudo docker pull weldpua2008/docker-ansible:${OS_TYPE}${OS_VERSION}_v${ANSIBLE_VERSION}
+#  Config to run docker tests - doesn't work so far
+#  - sudo apt-get update
+#  - sudo apt-get upgrade lxc-docker
+#  - echo 'DOCKER_OPTS="-H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock --iptables=false"' | sudo tee /etc/default/docker > /dev/null
+#  - export DOCKER_HOST=tcp://192.168.23.75:2375
+#  - sudo service docker restart
+#  - sleep 5
+#  - docker pull openhpi/docker_ruby
 
 before_script:
   - cp .rspec.travis .rspec
@@ -44,6 +36,7 @@ rvm:
 # - 2.2.1
   
 script: bundle exec rspec --color --format documentation --require spec_helper --require rails_helper --tag ~docker
+# one of the solutions I've found
 #  - sudo docker run --rm=true -v `pwd`:/ansible-apache:rw weldpua2008/docker-ansible:${OS_TYPE}${OS_VERSION}_v${ANSIBLE_VERSION} /bin/bash -c "/ansible-apache/tests/test-in-docker-image.sh ${OS_TYPE} ${OS_VERSION} ${ANSIBLE_VERSION}"
 
 

app/models/execution_environment.rb

@@ -48,7 +48,6 @@ class ExecutionEnvironment < ActiveRecord::Base
   def working_docker_image?
     DockerClient.pull(docker_image) unless DockerClient.image_tags.include?(docker_image)
     output = DockerClient.new(execution_environment: self).execute_arbitrary_command(VALIDATION_COMMAND)
-
     errors.add(:docker_image, "error: #{output[:stderr]}") if output[:stderr].present?
   rescue DockerClient::Error => error
     errors.add(:docker_image, "error: #{error}")

config/docker.yml.erb

@@ -52,4 +52,3 @@ test:
   <<: *default
   host: tcp://192.168.59.104:2376
   workspace_root: <%= File.join('/', 'shared', Rails.env) %>
-  #probably need to add some additional configuration here

lib/docker_client.rb

@@ -334,8 +334,8 @@ class DockerClient
     @execution_environment = options[:execution_environment]
     # todo: eventually re-enable this if it is cached. But in the end, we do not need this.
     # docker daemon got much too much load. all not 100% necessary calls to the daemon were removed.
-    # @image = self.class.find_image_by_tag(@execution_environment.docker_image)
-    # fail(Error, "Cannot find image #{@execution_environment.docker_image}!") unless @image
+    #@image = self.class.find_image_by_tag(@execution_environment.docker_image)
+    #fail(Error, "Cannot find image #{@execution_environment.docker_image}!") unless @image
   end
 
   def self.initialize_environment

spec/controllers/submissions_controller_spec.rb

@@ -18,7 +18,6 @@ describe SubmissionsController do
       expect_assigns(submission: Submission)
 
       it 'creates the submission' do
-        # pending("need to implement other pendings first")
         expect { request.call }.to change(Submission, :count).by(1)
       end
 
@@ -189,7 +188,6 @@ describe SubmissionsController do
   end
 
   describe 'GET #score' do
-
     let(:request) { proc { get :score, id: submission.id } }
     before(:each) { request.call }
 

spec/features/editor_spec.rb

@@ -13,7 +13,6 @@ describe 'Editor', js: true do
   end
 
   it 'displays the exercise title' do
-    # pending("no exercise title set")
     expect(page).to have_content(exercise.title)
   end
 
@@ -80,7 +79,6 @@ describe 'Editor', js: true do
         let(:file) { exercise.files.detect { |file| !file.file_type.binary? } }
 
         it "displays the file's code" do
-          pending("need to make travis working again")
           expect(page).to have_css(".frame[data-filename='#{file.name_with_extension}']")
         end
       end

spec/lib/docker_client_spec.rb

@@ -7,10 +7,8 @@ describe DockerClient, docker: true do
   let(:execution_environment) { FactoryGirl.build(:ruby) }
   let(:image) { double }
   let(:submission) { FactoryGirl.create(:submission) }
-  # let(:workspace_path) { '/tmp/codeocean_dockertest' }
   let(:workspace_path) { '/tmp' }
 
-
   describe '.check_availability!' do
     context 'when a socket error occurs' do
       it 'raises an error' do

spec/lib/docker_container_pool_spec.rb

@@ -44,8 +44,6 @@ describe DockerContainerPool do
 
         it 'takes a container from the pool' do
           expect(described_class).not_to receive(:create_container).with(@execution_environment)
-          #  #<Double (anonymous)> received unexpected message :json with (no args)
-          #  expect(described_class).to receive(:json).with()
           expect(described_class.get_container(@execution_environment)).to eq(container)
         end
       end
@@ -62,7 +60,6 @@ describe DockerContainerPool do
       end
     end
 
-
     context 'when inactive' do
       before(:each) do
         expect(described_class).to receive(:config).and_return(active: false)

spec/policies/execution_environment_policy_spec.rb

@@ -21,7 +21,6 @@ describe ExecutionEnvironmentPolicy do
     end
   end
 
-
   [:execute_command?, :shell?, :statistics?].each do |action|
     permissions(action) do
       it 'grants access to admins' do