1 files changed, 51 insertions, 0 deletions
diff --git a/spec/graphql/resolvers/release_resolver_spec.rb b/spec/graphql/resolvers/release_resolver_spec.rb
new file mode 100644
index 00000000000..71aa4bbb439
--- /dev/null
+++ b/spec/graphql/resolvers/release_resolver_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::ReleaseResolver do
+  include GraphqlHelpers
+
+  let_it_be(:project) { create(:project, :private) }
+  let_it_be(:release) { create(:release, project: project) }
+  let_it_be(:developer) { create(:user) }
+  let_it_be(:public_user) { create(:user) }
+
+  let(:args) { { tag_name: release.tag } }
+
+  before do
+    project.add_developer(developer)
+  end
+
+  describe '#resolve' do
+    context 'when the user does not have access to the project' do
+      let(:current_user) { public_user }
+
+      it 'returns nil' do
+        expect(resolve_release).to be_nil
+      end
+    end
+
+    context "when the user has full access to the project's releases" do
+      let(:current_user) { developer }
+
+      it 'returns the release associated with the specified tag' do
+        expect(resolve_release).to eq(release)
+      end
+
+      context 'when no tag_name argument was passed' do
+        let(:args) { {} }
+
+        it 'raises an error' do
+          expect { resolve_release }.to raise_error(ArgumentError, "missing keyword: tag_name")
+        end
+      end
+    end
+  end
+
+  private
+
+  def resolve_release
+    context = { current_user: current_user }
+    resolve(described_class, obj: project, args: args, ctx: context)
+  end
+end