1 files changed, 92 insertions, 0 deletions
diff --git a/spec/graphql/mutations/releases/delete_spec.rb b/spec/graphql/mutations/releases/delete_spec.rb
new file mode 100644
index 00000000000..bedb72b002c
--- /dev/null
+++ b/spec/graphql/mutations/releases/delete_spec.rb
@@ -0,0 +1,92 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Releases::Delete do
+  let_it_be(:project) { create(:project, :public, :repository) }
+  let_it_be(:non_project_member) { create(:user) }
+  let_it_be(:developer) { create(:user) }
+  let_it_be(:maintainer) { create(:user) }
+  let_it_be(:tag) { 'v1.1.0'}
+  let_it_be(:release) { create(:release, project: project, tag: tag) }
+
+  let(:mutation) { described_class.new(object: nil, context: { current_user: current_user }, field: nil) }
+
+  let(:mutation_arguments) do
+    {
+      project_path: project.full_path,
+      tag: tag
+    }
+  end
+
+  before do
+    project.add_developer(developer)
+    project.add_maintainer(maintainer)
+  end
+
+  shared_examples 'unauthorized or not found error' do
+    it 'raises a Gitlab::Graphql::Errors::ResourceNotAvailable error' do
+      expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable, "The resource that you are attempting to access does not exist or you don't have permission to perform this action")
+    end
+  end
+
+  describe '#resolve' do
+    subject(:resolve) do
+      mutation.resolve(**mutation_arguments)
+    end
+
+    context 'when the current user has access to create releases' do
+      let(:current_user) { maintainer }
+
+      it 'deletes the release' do
+        expect { subject }.to change { Release.count }.by(-1)
+      end
+
+      it 'returns the deleted release' do
+        expect(subject[:release].tag).to eq(tag)
+      end
+
+      it 'does not remove the Git tag associated with the deleted release' do
+        expect { subject }.not_to change { Project.find_by_id(project.id).repository.tag_count }
+      end
+
+      it 'returns no errors' do
+        expect(subject[:errors]).to eq([])
+      end
+
+      context 'validation' do
+        context 'when the release does not exist' do
+          let(:mutation_arguments) { super().merge(tag: 'not-a-real-release') }
+
+          it 'returns the release as nil' do
+            expect(subject[:release]).to be_nil
+          end
+
+          it 'returns an errors-at-data message' do
+            expect(subject[:errors]).to eq(['Release does not exist'])
+          end
+        end
+
+        context 'when the project does not exist' do
+          let(:mutation_arguments) { super().merge(project_path: 'not/a/real/path') }
+
+          it_behaves_like 'unauthorized or not found error'
+        end
+      end
+    end
+
+    context "when the current user doesn't have access to update releases" do
+      context 'when the user is a developer' do
+        let(:current_user) { developer }
+
+        it_behaves_like 'unauthorized or not found error'
+      end
+
+      context 'when the user is a non-project member' do
+        let(:current_user) { non_project_member }
+
+        it_behaves_like 'unauthorized or not found error'
+      end
+    end
+  end
+end