package com.atlassian.cache.compat;
   
   import com.atlassian.cache.CacheManager;
   import com.atlassian.cache.memory.MemoryCacheManager;
   
   import org.junit.Test;
   
   import static org.hamcrest.Matchers.instanceOf;
   import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.sameInstance;
  import static org.junit.Assert.assertThat;
  import static org.mockito.Mockito.mock;
  
  public class CacheManagerFactoryTest
  {
      @Test
      public void testComponentLocatorProvidedCacheManagerIsUsed()
      {
          final CacheManager cacheManager = mock(CacheManager.class);
          final CacheManagerFactory fixture = fixture(cacheManager);
          assertThat(fixture.getCacheManager(), sameInstance(cacheManager));
      }
  
      @Test
      public void testMemoryCacheManagerCreatedWhenHostDoesNotProvideOne()
      {
          final CacheManagerFactory fixture = fixture(null);
          assertThat(fixture.getCacheManager(), is(instanceOf(MemoryCacheManager.class)));
      }
  
  
  
      // Mocks out the interaction with the ComponentLocator's static methods
      static CacheManagerFactory fixture(final CacheManager cacheManagerFromComponentLocator)
      {
          return new CacheManagerFactory()
          {
              @Override
              CacheManager getCacheManagerFromComponentLocator()
              {
                  return cacheManagerFromComponentLocator;
              }
          };
      }
  }