diff --git a/test/models/unit/content_unit_version_test.rb b/test/models/unit/content_unit_version_test.rb
new file mode 100644
index 00000000..dc6c9b83
--- /dev/null
+++ b/test/models/unit/content_unit_version_test.rb
@@ -0,0 +1,41 @@
+require 'foreman_ansible_director_test_helper'
+
+module ForemanAnsibleDirectorTests
+  module Models
+    module Unit
+      class ContentUnitVersionTest < ForemanAnsibleDirectorTestCase
+        setup do
+          @collection = FactoryBot.create(:ansible_collection, organization: @organization)
+          @role = FactoryBot.create(:ansible_role, organization: @organization)
+        end
+
+        test 'content_unit_type returns collection for collection content' do
+          collection_version = FactoryBot.create(:content_unit_version, versionable: @collection)
+
+          assert_equal 'collection', collection_version.content_unit_type
+        end
+
+        test 'content_unit_type returns role for role content' do
+          role_version = FactoryBot.create(:content_unit_version, versionable: @role)
+
+          assert_equal 'role', role_version.content_unit_type
+        end
+
+        test 'version must be unique within the same versionable content unit' do
+          FactoryBot.create(:content_unit_version, versionable: @collection, version: '1.0.0')
+          duplicate = FactoryBot.build(:content_unit_version, versionable: @collection, version: '1.0.0')
+
+          assert_not duplicate.valid?
+          assert_includes duplicate.errors[:version], 'has already been taken'
+        end
+
+        test 'same version is allowed on different content units' do
+          FactoryBot.create(:content_unit_version, versionable: @collection, version: '1.0.0')
+          role_version = FactoryBot.build(:content_unit_version, versionable: @role, version: '1.0.0')
+
+          assert role_version.valid?
+        end
+      end
+    end
+  end
+end