Added test

src/lib/registration/ui/offline_migration_workflow.rb

@@ -19,6 +19,9 @@ module UI
     # This class handles offline migration workflow,
     # it is a wrapper around "migration_repos" client
     class OfflineMigrationWorkflow
+      include Yast::I18n
+      include Yast::Logger
+
       # the constructor
       def initialize
         textdomain "registration"

test/offline_migration_workflow_test.rb

@@ -0,0 +1,34 @@
+#! /usr/bin/env rspec
+
+require_relative "spec_helper"
+
+describe Registration::UI::OfflineMigrationWorkflow do
+  describe "#main" do
+    it "runs the 'migration_repos' client" do
+      expect(Yast::WFM).to receive(:CallFunction).with("migration_repos", anything)
+      subject.main
+    end
+
+    it "returns the 'migration_repos' result" do
+      expect(Yast::WFM).to receive(:CallFunction).with("migration_repos", anything).and_return(:foo)
+      expect(subject.main).to eq(:foo)
+    end
+
+    context "the 'migration_repos' client returns :rollback" do
+      before do
+        expect(Yast::WFM).to receive(:CallFunction).with("migration_repos", anything)
+          .and_return(:rollback)
+        allow(Yast::WFM).to receive(:CallFunction).with("registration_sync")
+      end
+
+      it "runs the 'registration_sync' client" do
+        expect(Yast::WFM).to receive(:CallFunction).with("registration_sync")
+        subject.main
+      end
+
+      it "return :back" do
+        expect(subject.main).to eq(:back)
+      end
+    end
+  end
+end