package ch.qos.logback.classic.util;
   
   import ch.qos.logback.core.util.EnvUtil;
   import org.junit.jupiter.api.BeforeEach;
   import org.junit.jupiter.api.Test;
   
   import static org.junit.jupiter.api.Assertions.assertNotNull;
   import static org.junit.jupiter.api.Assertions.assertTrue;
   public class EnvUtilTest {
  
      // Beware: ----------------------------------------
      // Beware:  needs to be updated upon version change
      // Beware: ----------------------------------------
      static final String EXPECTED_VERSION = "1.5";
  
  
      @BeforeEach
      public void setUp() throws Exception {
  
      }
  
      // this test runs fine if run from logback-classic but fails when
      // run from logback-core. This is due to the fact that package information
      // is added when creating the jar.
      @Test
      public void versionTest() {
          String versionStr = EnvUtil.logbackVersion();
          assertNotNull(versionStr);
          assertTrue(versionStr.startsWith(EXPECTED_VERSION));
      }
  
  
  
  }