1 files changed, 36 insertions, 0 deletions
diff --git a/spec/models/group_group_link_spec.rb b/spec/models/group_group_link_spec.rb
new file mode 100644
index 00000000000..e4ad5703a10
--- /dev/null
+++ b/spec/models/group_group_link_spec.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe GroupGroupLink do
+  let_it_be(:group) { create(:group) }
+  let_it_be(:shared_group) { create(:group) }
+  let_it_be(:group_group_link) do
+    create(:group_group_link, shared_group: shared_group,
+                              shared_with_group: group)
+  end
+
+  describe 'relations' do
+    it { is_expected.to belong_to(:shared_group) }
+    it { is_expected.to belong_to(:shared_with_group) }
+  end
+
+  describe 'validation' do
+    it { is_expected.to validate_presence_of(:shared_group) }
+
+    it do
+      is_expected.to(
+        validate_uniqueness_of(:shared_group_id)
+          .scoped_to(:shared_with_group_id)
+          .with_message('The group has already been shared with this group'))
+    end
+
+    it { is_expected.to validate_presence_of(:shared_with_group) }
+    it { is_expected.to validate_presence_of(:group_access) }
+
+    it do
+      is_expected.to(
+        validate_inclusion_of(:group_access).in_array(Gitlab::Access.values))
+    end
+  end
+end