transferred Code Ocean from original repository to GitHub

spec/support/docker.rb

@@ -0,0 +1,12 @@
+IMAGE = Docker::Image.new(Docker::Connection.new('http://example.org', {}), 'id' => SecureRandom.hex)
+
+RSpec.configure do |config|
+  config.before(:each) do |example|
+    unless example.metadata[:docker]
+      allow(DockerClient).to receive(:check_availability!).and_return(true)
+      allow(DockerClient).to receive(:image_tags).and_return([IMAGE])
+      allow_any_instance_of(DockerClient).to receive(:find_image_by_tag).and_return(IMAGE)
+      allow_any_instance_of(ExecutionEnvironment).to receive(:working_docker_image?)
+    end
+  end
+end