1 files changed, 45 insertions, 0 deletions
diff --git a/spec/tasks/gitlab/terraform/migrate_rake_spec.rb b/spec/tasks/gitlab/terraform/migrate_rake_spec.rb
new file mode 100644
index 00000000000..4188521df8e
--- /dev/null
+++ b/spec/tasks/gitlab/terraform/migrate_rake_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'rake_helper'
+
+RSpec.describe 'gitlab:terraform_states' do
+  let_it_be(:version) { create(:terraform_state_version) }
+
+  let(:logger) { instance_double(Logger) }
+  let(:helper) { double }
+
+  before(:all) do
+    Rake.application.rake_require 'tasks/gitlab/terraform/migrate'
+  end
+
+  before do
+    allow(Logger).to receive(:new).with(STDOUT).and_return(logger)
+  end
+
+  describe 'gitlab:terraform_states:migrate' do
+    subject { run_rake_task('gitlab:terraform_states:migrate') }
+
+    it 'invokes the migration helper to move files to object storage' do
+      expect(Gitlab::Terraform::StateMigrationHelper).to receive(:migrate_to_remote_storage).and_yield(version)
+      expect(logger).to receive(:info).with('Starting transfer of Terraform states to object storage')
+      expect(logger).to receive(:info).with(/Transferred Terraform state version ID #{version.id}/)
+
+      subject
+    end
+
+    context 'an error is raised while migrating' do
+      let(:error_message) { 'Something went wrong' }
+
+      before do
+        allow(Gitlab::Terraform::StateMigrationHelper).to receive(:migrate_to_remote_storage).and_raise(StandardError, error_message)
+      end
+
+      it 'logs the error' do
+        expect(logger).to receive(:info).with('Starting transfer of Terraform states to object storage')
+        expect(logger).to receive(:error).with("Failed to migrate: #{error_message}")
+
+        subject
+      end
+    end
+  end
+end