Fix bug where disabling usage ping via gitlab.rb did not work

Add alias method usage_ping_enabled?

Changelog: fixed

app/models/application_setting_implementation.rb

@@ -374,6 +374,7 @@ module ApplicationSettingImplementation
   def usage_ping_enabled
     usage_ping_can_be_configured? && super
   end
+  alias_method :usage_ping_enabled?, :usage_ping_enabled
 
   def allowed_key_types
     SUPPORTED_KEY_TYPES.select do |type|

spec/models/application_setting_spec.rb

@@ -363,6 +363,85 @@ RSpec.describe ApplicationSetting do
         .is_less_than(65536)
     end
 
+    describe 'usage_ping_enabled setting' do
+      shared_examples 'usage ping enabled' do
+        it do
+          expect(setting.usage_ping_enabled).to eq(true)
+          expect(setting.usage_ping_enabled?).to eq(true)
+        end
+      end
+
+      shared_examples 'usage ping disabled' do
+        it do
+          expect(setting.usage_ping_enabled).to eq(false)
+          expect(setting.usage_ping_enabled?).to eq(false)
+        end
+      end
+
+      context 'when setting is in database' do
+        context 'with usage_ping_enabled disabled' do
+          before do
+            setting.update!(usage_ping_enabled: false)
+          end
+
+          it_behaves_like 'usage ping disabled'
+        end
+
+        context 'with usage_ping_enabled enabled' do
+          before do
+            setting.update!(usage_ping_enabled: true)
+          end
+
+          it_behaves_like 'usage ping enabled'
+        end
+      end
+
+      context 'when setting is in GitLab config' do
+        context 'with usage_ping_enabled disabled' do
+          before do
+            allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(false)
+          end
+
+          it_behaves_like 'usage ping disabled'
+        end
+
+        context 'with usage_ping_enabled enabled' do
+          before do
+            allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+          end
+
+          it_behaves_like 'usage ping enabled'
+        end
+      end
+
+      context 'when setting in database false and setting in GitLab config true' do
+        before do
+          setting.update!(usage_ping_enabled: false)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+        end
+
+        it_behaves_like 'usage ping disabled'
+      end
+
+      context 'when setting database true and setting in GitLab config false' do
+        before do
+          setting.update!(usage_ping_enabled: true)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(false)
+        end
+
+        it_behaves_like 'usage ping disabled'
+      end
+
+      context 'when setting database true and setting in GitLab config true' do
+        before do
+          setting.update!(usage_ping_enabled: true)
+          allow(Settings.gitlab).to receive(:usage_ping_enabled).and_return(true)
+        end
+
+        it_behaves_like 'usage ping enabled'
+      end
+    end
+
     context 'key restrictions' do
       it 'supports all key types' do
         expect(described_class::SUPPORTED_KEY_TYPES).to contain_exactly(:rsa, :dsa, :ecdsa, :ed25519)

spec/services/submit_usage_ping_service_spec.rb

@@ -90,6 +90,14 @@ RSpec.describe SubmitUsagePingService do
     it_behaves_like 'does not run'
   end
 
+  context 'when usage ping is disabled from GitLab config file' do
+    before do
+      stub_config_setting(usage_ping_enabled: false)
+    end
+
+    it_behaves_like 'does not run'
+  end
+
   context 'when usage ping is enabled' do
     before do
       stub_usage_data_connections