Fix rubocop offenses

lib/api/helpers/runner.rb

 module API
   module Helpers
     module Runner
-      JOB_TOKEN_HEADER = 'HTTP_JOB_TOKEN'
+      JOB_TOKEN_HEADER = 'HTTP_JOB_TOKEN'.freeze
       JOB_TOKEN_PARAM = :token
       UPDATE_RUNNER_EVERY = 10 * 60
 
@@ -42,7 +42,7 @@ module API
       end
 
       def job_not_found!
-        if headers['User-Agent'].to_s.match(/gitlab(-ci-multi)?-runner \d+\.\d+\.\d+(~beta\.\d+\.g[0-9a-f]+)? /)
+        if headers['User-Agent'].to_s =~ /gitlab(-ci-multi)?-runner \d+\.\d+\.\d+(~beta\.\d+\.g[0-9a-f]+)? /
           no_content!
         else
           not_found!

lib/api/runner.rb

@@ -94,7 +94,7 @@ module API
       end
       params do
         requires :token, type: String, desc: %q(Runners's authentication token)
-        requires :id, type: Fixnum, desc: %q(Job's ID)
+        requires :id, type: Integer, desc: %q(Job's ID)
         optional :trace, type: String, desc: %q(Job's full trace)
         optional :state, type: String, desc: %q(Job's status: success, failed)
       end
@@ -122,7 +122,7 @@ module API
                     [416, 'Range not satisfiable']]
       end
       params do
-        requires :id, type: Fixnum, desc: %q(Job's ID)
+        requires :id, type: Integer, desc: %q(Job's ID)
         optional :token, type: String, desc: %q(Job's authentication token)
       end
       patch '/:id/trace' do
@@ -152,9 +152,9 @@ module API
                     [413, 'File too large']]
       end
       params do
-        requires :id, type: Fixnum, desc: %q(Job's ID)
+        requires :id, type: Integer, desc: %q(Job's ID)
         optional :token, type: String, desc: %q(Job's authentication token)
-        optional :filesize, type: Fixnum, desc: %q(ARtifacts filesize)
+        optional :filesize, type: Integer, desc: %q(Artifacts filesize)
       end
       post '/:id/artifacts/authorize' do
         not_allowed! unless Gitlab.config.artifacts.enabled
@@ -183,7 +183,7 @@ module API
                     [413, 'File too large']]
       end
       params do
-        requires :id, type: Fixnum, desc: %q(Job's ID)
+        requires :id, type: Integer, desc: %q(Job's ID)
         optional :token, type: String, desc: %q(Job's authentication token)
         optional :expire_in, type: String, desc: %q(Specify when artifacts should expire)
         optional 'file', type: File, desc: %q(Artifact's file)
@@ -211,9 +211,7 @@ module API
         job.artifacts_file = artifacts
         job.artifacts_metadata = metadata
         job.artifacts_expire_in = params['expire_in'] ||
-                                    Gitlab::CurrentSettings
-                                      .current_application_settings
-                                      .default_artifacts_expire_in
+          Gitlab::CurrentSettings.current_application_settings.default_artifacts_expire_in
 
         if job.save
           present job, with: Entities::JobRequest::Response
@@ -228,7 +226,7 @@ module API
                     [404, 'Artifact not found']]
       end
       params do
-        requires :id, type: Fixnum, desc: %q(Job's ID)
+        requires :id, type: Integer, desc: %q(Job's ID)
         optional :token, type: String, desc: %q(Job's authentication token)
       end
       get '/:id/artifacts' do

lib/gitlab/ci/build/response/step.rb

@@ -3,9 +3,9 @@ module Gitlab
     module Build
       module Response
         class Step
-          CONDITION_ON_FAILURE = 'on_failure'
-          CONDITION_ON_SUCCESS = 'on_success'
-          CONDITION_ALWAYS = 'always'
+          CONDITION_ON_FAILURE = 'on_failure'.freeze
+          CONDITION_ON_SUCCESS = 'on_success'.freeze
+          CONDITION_ALWAYS = 'always'.freeze
 
           attr_reader :name, :script, :when, :allow_failure, :timeout
 

spec/requests/api/runner_spec.rb

@@ -281,7 +281,7 @@ describe API::Runner do
             expect(json_response['image']).to include({ 'name' => 'ruby:2.1' })
             expect(json_response['services']).to include({ 'name' => 'postgres' })
             expect(json_response['steps']).to include({ 'name' => 'after_script',
-                                                        'script' => ['ls', 'date'],
+                                                        'script' => %w(ls date),
                                                         'timeout' => job.timeout,
                                                         'when' => 'always',
                                                         'allow_failure' => true })
@@ -889,9 +889,11 @@ describe API::Runner do
         end
 
         def upload_artifacts(file, headers = {}, accelerated = true)
-          params = accelerated ?
-                     { 'file.path' => file.path, 'file.name' => file.original_filename } :
+          params = if accelerated
+                     { 'file.path' => file.path, 'file.name' => file.original_filename }
+                   else
                      { 'file' => file }
+                   end
           post api("/jobs/#{job.id}/artifacts"), params, headers
         end
       end