Code refactor

app/controllers/ci/lints_controller.rb

@@ -8,14 +8,12 @@ module Ci
     def create
       @content = params[:content]
       @error = Ci::GitlabCiYamlProcessor.validation_message(@content)
-      unless @error.blank?
-        @status = @error.blank?
-      else
+      @status = @error.blank?
+      if @error.blank?
         @config_processor = Ci::GitlabCiYamlProcessor.new(@content)
         @stages = @config_processor.stages
         @builds = @config_processor.builds
-        @status = true
       end
     rescue
       @error = 'Undefined error'

lib/api/lint.rb

@@ -5,7 +5,7 @@ module API
       requires :content, type: String, desc: 'Content of .gitlab-ci.yml'
     end
-    namespace 'ci' do
+    namespace :ci do
       post '/lint' do
         errors = Ci::GitlabCiYamlProcessor.validation_message(params[:content])

lib/ci/gitlab_ci_yaml_processor.rb

@@ -80,6 +80,7 @@ module Ci
     def self.validation_message(content)
       return 'Please provide content of .gitlab-ci.yml' if content.blank?
+
       begin
         Ci::GitlabCiYamlProcessor.new(content)
         nil

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -1251,7 +1251,7 @@ EOT
       end
     end
-    describe "#errors" do
+    describe "#validation_message" do
       context "when the YAML could not be parsed" do
         it "returns an error about invalid configutaion" do
           content = YAML.dump("invalid: yaml: test")

spec/requests/api/lint_spec.rb

@@ -4,11 +4,11 @@ describe API::Lint, api: true do
   include ApiHelpers
   describe 'POST /ci/lint' do
-    let(:yaml_content) do
-      File.read(Rails.root.join('spec/support/gitlab_stubs/gitlab_ci.yml'))
-    end
-
     context 'with valid .gitlab-ci.yaml content' do
+      let(:yaml_content) do
+        File.read(Rails.root.join('spec/support/gitlab_stubs/gitlab_ci.yml'))
+      end
+
       it 'passes validation' do
         post api('/ci/lint'), { content: yaml_content }