Implement check to prevent duplicate job naming (#2496)

* Implement check to prevent duplicate job naming

lib/generators/rspec/job/job_generator.rb

@@ -5,7 +5,8 @@ module Generators
     # @private
     class JobGenerator < Base
       def create_job_spec
-        template 'job_spec.rb.erb', File.join('spec/jobs', class_path, "#{file_name}_job_spec.rb")
+        file_suffix = file_name.end_with?('job') ? 'spec.rb' : 'job_spec.rb'
+        template 'job_spec.rb.erb', File.join('spec/jobs', class_path, [file_name, file_suffix].join('_'))
       end
     end
   end

lib/generators/rspec/job/templates/job_spec.rb.erb

@@ -1,7 +1,7 @@
 require 'rails_helper'
 
 <% module_namespacing do -%>
-RSpec.describe <%= class_name %>Job, <%= type_metatag(:job) %> do
+RSpec.describe <%= class_name %><%= "Job" unless class_name.end_with?("Job")%>, <%= type_metatag(:job) %> do
   pending "add some examples to (or delete) #{__FILE__}"
 end
 <% end -%>

spec/generators/rspec/job/job_generator_spec.rb

@@ -6,13 +6,25 @@
   setup_default_destination
 
   describe 'the generated files' do
-    before { run_generator %w[user] }
+    before { run_generator [file_name] }
 
-    subject { file('spec/jobs/user_job_spec.rb') }
+    context 'with file_name without job as suffix' do
+      let(:file_name) { 'user' }
+      subject { file('spec/jobs/user_job_spec.rb') }
 
-    it { is_expected.to exist }
-    it { is_expected.to contain(/require 'rails_helper'/) }
-    it { is_expected.to contain(/describe UserJob, #{type_metatag(:job)}/) }
+      it { is_expected.to exist }
+      it { is_expected.to contain(/require 'rails_helper'/) }
+      it { is_expected.to contain(/describe UserJob, #{type_metatag(:job)}/) }
+    end
 
+    context 'with file_name with job as suffix' do
+      let(:file_name) { 'user_job' }
+
+      subject { file('spec/jobs/user_job_spec.rb') }
+
+      it { is_expected.to exist }
+      it { is_expected.to contain(/require 'rails_helper'/) }
+      it { is_expected.to contain(/describe UserJob, #{type_metatag(:job)}/) }
+    end
   end
 end