1 files changed, 51 insertions, 0 deletions
diff --git a/spec/lib/gitlab/database_importers/self_monitoring/project/delete_service_spec.rb b/spec/lib/gitlab/database_importers/self_monitoring/project/delete_service_spec.rb
new file mode 100644
index 00000000000..6446ab1beb4
--- /dev/null
+++ b/spec/lib/gitlab/database_importers/self_monitoring/project/delete_service_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::DatabaseImporters::SelfMonitoring::Project::DeleteService do
+  describe '#execute' do
+    let!(:application_setting) { create(:application_setting) }
+    let(:result) { subject.execute }
+
+    context 'when project does not exist' do
+      it 'returns error' do
+        expect(result).to eq(
+          status: :error,
+          message: 'Self monitoring project does not exist',
+          last_step: :validate_self_monitoring_project_exists
+        )
+      end
+    end
+
+    context 'when self monitoring project exists' do
+      let(:group) { create(:group) }
+      let(:project) { create(:project, namespace: group) }
+
+      let(:application_setting) do
+        create(
+          :application_setting,
+          instance_administration_project_id: project.id,
+          instance_administrators_group_id: group.id
+        )
+      end
+
+      it 'destroys project' do
+        subject.execute
+
+        expect { project.reload }.to raise_error(ActiveRecord::RecordNotFound)
+      end
+
+      it 'deletes project ID from application settings' do
+        subject.execute
+
+        expect(application_setting.reload.instance_administration_project_id).to be_nil
+      end
+
+      it 'does not delete group' do
+        subject.execute
+
+        expect(application_setting.instance_administrators_group).to eq(group)
+      end
+    end
+  end
+end