InstanceHelpers { public static int countInstances( String instancePath ) { return instancePath.split( "/" ).length - 1; } private  InstanceHelpers(); static String computeInstancePath( Instance inst ); static boolean haveSamePath( Instance i1, Instance i2 ); static String findInstanceName( String instancePath ); static List<Instance> buildHierarchicalList( Instance inst ); static void insertChild( Instance parent, Instance child ); static Map<String,String> findAllExportedVariables( Instance instance ); static Instance findInstanceByPath( AbstractApplication application, String instancePath ); static Instance findInstanceByPath( Instance rootInstance, String instancePath ); static List<Instance> findInstancesByComponentName( AbstractApplication application, String componentName ); static Instance findRootInstance( Instance instance ); static Instance findScopedInstance( Instance instance ); static List<Instance> findAllScopedInstances( AbstractApplication app ); static List<Instance> getAllInstances( AbstractApplication application ); static boolean tryToInsertChildInstance( AbstractApplication application, Instance parentInstance, Instance childInstance ); static boolean hasChildWithThisName( AbstractApplication application, Instance parentInstance, String nameToSearch ); static File findInstanceDirectoryOnAgent( Instance instance ); static int countInstances( String instancePath ); static Instance replicateInstance( Instance instance ); static boolean isTarget( Instance instance ); static void removeOffScopeInstances( Instance scopedInstance ); static String findRootInstancePath( String scopedInstancePath ); static void fixOverriddenExports( Instance instance );  }
@Test public void testCountInstances() { Assert.assertEquals( 0, InstanceHelpers.countInstances( "" )); Assert.assertEquals( 0, InstanceHelpers.countInstances( "toto" )); Assert.assertEquals( 1, InstanceHelpers.countInstances( "/root-instance" )); Assert.assertEquals( 2, InstanceHelpers.countInstances( "/root-instance/apache" )); Assert.assertEquals( 3, InstanceHelpers.countInstances( "/root-instance/apache/war" )); }