package com.atlassian.plugin.instrumentation;
   
   import com.atlassian.instrumentation.InstrumentRegistry;
   import org.junit.Test;
   
   import java.util.Optional;
   
   import static com.atlassian.plugin.test.Matchers.notPresent;
   import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.notNullValue;
  import static org.hamcrest.core.Is.is;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  
  public class TestPluginSystemInstrumentationDisabled {
  
      private final PluginSystemInstrumentation pluginSystemInstrumentation = new PluginSystemInstrumentation();
  
      @Test
      public void instrumentationNotCreated() {
          final Optional<InstrumentRegistry> instrumentRegistry = pluginSystemInstrumentation.getInstrumentRegistry();
          assertThat(instrumentRegistry, notPresent());
      }
  
      @Test
      public void pullTimerReturnsEmpty() {
          final Timer timer = pluginSystemInstrumentation.pullTimer("sometimer");
          assertThat(timer, notNullValue());
          assertThat(timer.getOpTimer(), notPresent());
      }
  
      @Test
      public void pullSingleTimerReturnsEmpty() {
          final Timer timer = pluginSystemInstrumentation.pullSingleTimer("somesingletimer");
          assertThat(timer, notNullValue());
          assertThat(timer.getOpTimer(), notPresent());
      }
  }