From b2656bd6b50c60416786d77eb0d738d5d255b967 Mon Sep 17 00:00:00 2001
From: Sebastian Serth <Sebastian.Serth@hpi.de>
Date: Tue, 1 Mar 2022 15:35:08 +0100
Subject: [PATCH] Fix rubocop offenses

---
 spec/lib/port_pool_spec.rb                           | 2 +-
 spec/services/exercise_service/push_external_spec.rb | 4 ++--
 spec/services/proforma_service/export_task_spec.rb   | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/spec/lib/port_pool_spec.rb b/spec/lib/port_pool_spec.rb
index 3294c106..6f38b8ab 100644
--- a/spec/lib/port_pool_spec.rb
+++ b/spec/lib/port_pool_spec.rb
@@ -24,7 +24,7 @@ describe PortPool do
       it 'returns the port' do
         available_ports = described_class.instance_variable_get(:@available_ports)
         described_class.instance_variable_set(:@available_ports, [])
-        expect(described_class.available_port).to be nil
+        expect(described_class.available_port).to be_nil
         described_class.instance_variable_set(:@available_ports, available_ports)
       end
     end
diff --git a/spec/services/exercise_service/push_external_spec.rb b/spec/services/exercise_service/push_external_spec.rb
index 2a52075f..28e145e2 100644
--- a/spec/services/exercise_service/push_external_spec.rb
+++ b/spec/services/exercise_service/push_external_spec.rb
@@ -45,7 +45,7 @@ RSpec.describe ExerciseService::PushExternal do
     end
 
     context 'when response status is success' do
-      it { is_expected.to be nil }
+      it { is_expected.to be_nil }
 
       context 'when response status is 500' do
         let(:status) { 500 }
@@ -58,7 +58,7 @@ RSpec.describe ExerciseService::PushExternal do
     context 'when an error occurs' do
       before { allow(Faraday).to receive(:new).and_raise(StandardError) }
 
-      it { is_expected.not_to be nil }
+      it { is_expected.not_to be_nil }
     end
   end
 end
diff --git a/spec/services/proforma_service/export_task_spec.rb b/spec/services/proforma_service/export_task_spec.rb
index 78e91f36..3937f08a 100644
--- a/spec/services/proforma_service/export_task_spec.rb
+++ b/spec/services/proforma_service/export_task_spec.rb
@@ -16,7 +16,7 @@ describe ProformaService::ExportTask do
       subject(:export_task) { described_class.new }
 
       it 'assigns exercise' do
-        expect(export_task.instance_variable_get(:@exercise)).to be nil
+        expect(export_task.instance_variable_get(:@exercise)).to be_nil
       end
     end
   end