Add default value for merge_requests_author_approval

Changelog: other

app/models/project.rb

@@ -2606,6 +2606,10 @@ class Project < ApplicationRecord
     ProjectStatistics.increment_statistic(self, statistic, delta)
   end
 
+  def merge_requests_author_approval
+    !!read_attribute(:merge_requests_author_approval)
+  end
+
   private
 
   def set_container_registry_access_level

db/migrate/20210517221612_add_default_value_to_merge_requests_author_approval_on_projects.rb

+# frozen_string_literal: true
+
+class AddDefaultValueToMergeRequestsAuthorApprovalOnProjects < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  def up
+    with_lock_retries do
+      change_column_default :projects, :merge_requests_author_approval, false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      change_column_default :projects, :merge_requests_author_approval, nil
+    end
+  end
+end

db/schema_migrations/20210517221612

+69e7297ace1301bbdb63053bd30b75c326122873fbc6c5c15f9f118166111434
\ No newline at end of file

db/structure.sql

@@ -16997,7 +16997,7 @@ CREATE TABLE projects (
     pages_https_only boolean DEFAULT true,
     external_webhook_token character varying,
     packages_enabled boolean,
-    merge_requests_author_approval boolean,
+    merge_requests_author_approval boolean DEFAULT false,
     pool_repository_id bigint,
     runners_token_encrypted character varying,
     bfg_object_map character varying,

ee/spec/controllers/projects_controller_spec.rb

@@ -496,7 +496,7 @@ RSpec.describe ProjectsController do
 
             project.reload
 
-            expect(project[setting]).to eq(final_value)
+            expect(project[setting]).to eq(final_value.nil? ? setting_default_value : final_value)
           end
         end
       end
@@ -505,6 +505,7 @@ RSpec.describe ProjectsController do
         it_behaves_like 'merge request approvers rules' do
           let(:rule_name) { :modify_approvers_rules }
           let(:setting) { :disable_overriding_approvers_per_merge_request }
+          let(:setting_default_value) { nil }
         end
       end
 
@@ -512,6 +513,7 @@ RSpec.describe ProjectsController do
         it_behaves_like 'merge request approvers rules' do
           let(:rule_name) { :modify_merge_request_author_setting }
           let(:setting) { :merge_requests_author_approval }
+          let(:setting_default_value) { false }
         end
       end
 
@@ -519,6 +521,7 @@ RSpec.describe ProjectsController do
         it_behaves_like 'merge request approvers rules' do
           let(:rule_name) { :modify_merge_request_committer_setting }
           let(:setting) { :merge_requests_disable_committers_approval }
+          let(:setting_default_value) { nil }
         end
       end
     end

spec/models/project_spec.rb

@@ -472,6 +472,22 @@ RSpec.describe Project, factory_default: :keep do
     end
   end
 
+  describe '#merge_requests_author_approval' do
+    where(:attribute_value, :return_value) do
+      true  | true
+      false | false
+      nil   | false
+    end
+
+    with_them do
+      let(:project) { create(:project, merge_requests_author_approval: attribute_value) }
+
+      it 'returns expected value' do
+        expect(project.merge_requests_author_approval).to eq(return_value)
+      end
+    end
+  end
+
   describe '#all_pipelines' do
     let_it_be(:project) { create(:project) }