1 files changed, 43 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/design_management/version_resolver_spec.rb b/spec/graphql/resolvers/design_management/version_resolver_spec.rb
new file mode 100644
index 00000000000..e7c09351204
--- /dev/null
+++ b/spec/graphql/resolvers/design_management/version_resolver_spec.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::DesignManagement::VersionResolver do
+  include GraphqlHelpers
+  include DesignManagementTestHelpers
+
+  let_it_be(:issue) { create(:issue) }
+  let_it_be(:current_user) { create(:user) }
+  let_it_be(:version) { create(:design_version, issue: issue) }
+  let_it_be(:developer) { create(:user) }
+
+  let(:project) { issue.project }
+  let(:params) { { id: global_id_of(version) } }
+
+  before do
+    enable_design_management
+    project.add_developer(developer)
+  end
+
+  context 'the current user is not authorized' do
+    let(:current_user) { create(:user) }
+
+    it 'raises an error on resolution' do
+      expect { resolve_version }.to raise_error(::Gitlab::Graphql::Errors::ResourceNotAvailable)
+    end
+  end
+
+  context 'the current user is authorized' do
+    let(:current_user) { developer }
+
+    context 'the id parameter is provided' do
+      it 'returns the specified version' do
+        expect(resolve_version).to eq(version)
+      end
+    end
+  end
+
+  def resolve_version
+    resolve(described_class, obj: nil, args: params, ctx: { current_user: current_user })
+  end
+end