From 9459cb677d38eb8867932adc3d2b59d28c9b019a Mon Sep 17 00:00:00 2001
From: Tejas Bubane <tejasbubane@gmail.com>
Date: Mon, 20 Apr 2020 23:44:27 +0530
Subject: [PATCH] Allow Generator to take version_added parameter

Other libraries like `rubocop-rspec` which rely on rubocop's generator
will be able to provide in their own version.
---
 lib/rubocop/cop/generator.rb       |  5 +++--
 spec/rubocop/cop/generator_spec.rb | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/lib/rubocop/cop/generator.rb b/lib/rubocop/cop/generator.rb
index 8c34e2bfb11..c46dc08113d 100644
--- a/lib/rubocop/cop/generator.rb
+++ b/lib/rubocop/cop/generator.rb
@@ -132,11 +132,12 @@ def inject_require(root_file_path: 'lib/rubocop.rb')
         ).inject
       end
 
-      def inject_config(config_file_path: 'config/default.yml')
+      def inject_config(config_file_path: 'config/default.yml',
+                        version_added: bump_minor_version)
         injector =
           ConfigurationInjector.new(configuration_file_path: config_file_path,
                                     badge: badge,
-                                    version_added: bump_minor_version)
+                                    version_added: version_added)
 
         injector.inject do
           output.puts(format(CONFIGURATION_ADDED_MESSAGE,
diff --git a/spec/rubocop/cop/generator_spec.rb b/spec/rubocop/cop/generator_spec.rb
index 48f12af2534..c726e40d219 100644
--- a/spec/rubocop/cop/generator_spec.rb
+++ b/spec/rubocop/cop/generator_spec.rb
@@ -280,6 +280,28 @@ def on_send(node)
                  "#{path}.\n")
       end
     end
+
+    context 'with version provided' do
+      it 'uses the provided version' do
+        expect(File).to receive(:write).with(path, <<~YAML)
+          Style/Alias:
+            Enabled: true
+
+          Style/FakeCop:
+            Description: 'TODO: Write a description of the cop.'
+            Enabled: pending
+            VersionAdded: '1.52'
+
+          Style/Lambda:
+            Enabled: true
+
+          Style/SpecialGlobalVars:
+            Enabled: true
+        YAML
+
+        generator.inject_config(config_file_path: path, version_added: '1.52')
+      end
+    end
   end
 
   describe '#snake_case' do