1 files changed, 98 insertions, 0 deletions
diff --git a/spec/lib/gitlab/background_migration/backfill_missing_ci_cd_settings_spec.rb b/spec/lib/gitlab/background_migration/backfill_missing_ci_cd_settings_spec.rb
new file mode 100644
index 00000000000..8f7d5f25a80
--- /dev/null
+++ b/spec/lib/gitlab/background_migration/backfill_missing_ci_cd_settings_spec.rb
@@ -0,0 +1,98 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::BackgroundMigration::BackfillMissingCiCdSettings, schema: 20230628023103, feature_category: :source_code_management do # rubocop:disable Layout/LineLength
+  let(:projects_table) { table(:projects) }
+  let(:namespaces_table) { table(:namespaces) }
+  let(:ci_cd_settings_table) { table(:project_ci_cd_settings) }
+
+  let(:namespace_1) { namespaces_table.create!(name: 'namespace', path: 'namespace-path-1') }
+
+  let(:project_namespace_2) { namespaces_table.create!(name: 'namespace', path: 'namespace-path-2', type: 'Project') }
+  let(:project_namespace_3) { namespaces_table.create!(name: 'namespace', path: 'namespace-path-3', type: 'Project') }
+  let(:project_namespace_4) { namespaces_table.create!(name: 'namespace', path: 'namespace-path-4', type: 'Project') }
+  let(:project_namespace_5) { namespaces_table.create!(name: 'namespace', path: 'namespace-path-4', type: 'Project') }
+  let!(:project_1) do
+    projects_table
+    .create!(
+      name: 'project1',
+      path: 'path1',
+      namespace_id: namespace_1.id,
+      project_namespace_id: project_namespace_2.id,
+      visibility_level: 0
+    )
+  end
+
+  let!(:project_2) do
+    projects_table
+    .create!(
+      name: 'project2',
+      path: 'path2',
+      namespace_id: namespace_1.id,
+      project_namespace_id: project_namespace_3.id,
+      visibility_level: 0
+    )
+  end
+
+  let!(:project_3) do
+    projects_table
+    .create!(
+      name: 'project3',
+      path: 'path3',
+      namespace_id: namespace_1.id,
+      project_namespace_id: project_namespace_4.id,
+      visibility_level: 0
+    )
+  end
+
+  let!(:ci_cd_settings_3) do
+    ci_cd_settings_table.create!(project_id: project_3.id)
+  end
+
+  let!(:project_4) do
+    projects_table
+    .create!(
+      name: 'project4',
+      path: 'path4',
+      namespace_id: namespace_1.id,
+      project_namespace_id: project_namespace_5.id,
+      visibility_level: 0
+    )
+  end
+
+  subject(:perform_migration) do
+    described_class.new(start_id: projects_table.minimum(:id),
+      end_id: projects_table.maximum(:id),
+      batch_table: :projects,
+      batch_column: :id,
+      sub_batch_size: 2,
+      pause_ms: 0,
+      connection: projects_table.connection)
+                   .perform
+  end
+
+  it 'creates ci_cd_settings for projects without ci_cd_settings' do
+    expect { subject }.to change { ci_cd_settings_table.count }.from(1).to(4)
+  end
+
+  it 'creates ci_cd_settings with default values' do
+    ci_cd_settings_table.where.not(project_id: ci_cd_settings_3.project_id).each do |ci_cd_setting|
+      expect(ci_cd_setting.attributes.except('id', 'project_id')).to eq({
+        "group_runners_enabled" => true,
+        "merge_pipelines_enabled" => nil,
+        "default_git_depth" => 20,
+        "forward_deployment_enabled" => true,
+        "merge_trains_enabled" => false,
+        "auto_rollback_enabled" => false,
+        "keep_latest_artifact" => false,
+        "restrict_user_defined_variables" => false,
+        "job_token_scope_enabled" => false,
+        "runner_token_expiration_interval" => nil,
+        "separated_caches" => true,
+        "allow_fork_pipelines_to_run_in_parent_project" => true,
+        "inbound_job_token_scope_enabled" => true
+      })
+    end
+  end
+end