2 files changed, 92 insertions, 2 deletions
diff --git a/spec/graphql/mutations/ci/runner/bulk_delete_spec.rb b/spec/graphql/mutations/ci/runner/bulk_delete_spec.rb
new file mode 100644
index 00000000000..f47f1b9869e
--- /dev/null
+++ b/spec/graphql/mutations/ci/runner/bulk_delete_spec.rb
@@ -0,0 +1,91 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Ci::Runner::BulkDelete do
+  include GraphqlHelpers
+
+  let_it_be(:admin_user) { create(:user, :admin) }
+  let_it_be(:user) { create(:user) }
+
+  let(:current_ctx) { { current_user: user } }
+
+  let(:mutation_params) do
+    {}
+  end
+
+  describe '#resolve' do
+    subject(:response) do
+      sync(resolve(described_class, args: mutation_params, ctx: current_ctx))
+    end
+
+    context 'when the user cannot admin the runner' do
+      let(:runner) { create(:ci_runner) }
+      let(:mutation_params) do
+        { ids: [runner.to_global_id] }
+      end
+
+      it 'generates an error' do
+        expect_graphql_error_to_be_created(Gitlab::Graphql::Errors::ResourceNotAvailable) { response }
+      end
+    end
+
+    context 'when user can delete runners' do
+      let(:user) { admin_user }
+      let!(:runners) do
+        create_list(:ci_runner, 2, :instance)
+      end
+
+      context 'when required arguments are missing' do
+        let(:mutation_params) { {} }
+
+        context 'when admin mode is enabled', :enable_admin_mode do
+          it 'does not return an error' do
+            is_expected.to match a_hash_including(errors: [])
+          end
+        end
+      end
+
+      context 'with runners specified by id' do
+        let(:mutation_params) do
+          { ids: runners.map(&:to_global_id) }
+        end
+
+        context 'when admin mode is enabled', :enable_admin_mode do
+          it 'deletes runners', :aggregate_failures do
+            expect_next_instance_of(
+              ::Ci::Runners::BulkDeleteRunnersService, { runners: runners }
+            ) do |service|
+              expect(service).to receive(:execute).once.and_call_original
+            end
+
+            expect { response }.to change { Ci::Runner.count }.by(-2)
+            expect(response[:errors]).to be_empty
+          end
+
+          context 'when runner list is is above limit' do
+            before do
+              stub_const('::Ci::Runners::BulkDeleteRunnersService::RUNNER_LIMIT', 1)
+            end
+
+            it 'only deletes up to the defined limit', :aggregate_failures do
+              expect { response }.to change { Ci::Runner.count }
+                .by(-::Ci::Runners::BulkDeleteRunnersService::RUNNER_LIMIT)
+              expect(response[:errors]).to be_empty
+            end
+          end
+        end
+
+        context 'when admin mode is disabled', :aggregate_failures do
+          it 'returns error', :aggregate_failures do
+            expect do
+              expect_graphql_error_to_be_created(Gitlab::Graphql::Errors::ResourceNotAvailable) do
+                response
+              end
+            end.not_to change { Ci::Runner.count }
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/spec/graphql/mutations/ci/runner/update_spec.rb b/spec/graphql/mutations/ci/runner/update_spec.rb
index ffaa6e93d1b..b8efd4213fa 100644
--- a/spec/graphql/mutations/ci/runner/update_spec.rb
+++ b/spec/graphql/mutations/ci/runner/update_spec.rb
@@ -2,12 +2,11 @@
 
 require 'spec_helper'
 
-RSpec.describe 'Mutations::Ci::Runner::Update' do
+RSpec.describe Mutations::Ci::Runner::Update do
   include GraphqlHelpers
 
   let_it_be(:user) { create(:user) }
   let_it_be(:runner) { create(:ci_runner, active: true, locked: false, run_untagged: true) }
-  let_it_be(:described_class) { Mutations::Ci::Runner::Update }
 
   let(:current_ctx) { { current_user: user } }
   let(:mutated_runner) { subject[:runner] }