UserAdmin implements UserAdminMBean { public boolean addMember(String groupname, String rolename) throws IOException { if (groupname == null) { throw new IOException("Group name cannot be null"); } if (rolename == null) { throw new IOException("Role name cannot be null"); } Role group = userAdmin.getRole(groupname); Role member = userAdmin.getRole(rolename); if (group == null) { throw new IOException("Operation fails role with provided groupname = [" + groupname + "] doesn't exist"); } validateRoleType(group, Role.GROUP); return ((Group) group).addMember(member); } UserAdmin(org.osgi.service.useradmin.UserAdmin userAdmin); void addCredential(String key, byte[] value, String username); void addCredentialString(String key, String value, String username); boolean addMember(String groupname, String rolename); void addPropertyString(String key, String value, String rolename); void addProperty(String key, byte[] value, String rolename); boolean addRequiredMember(String groupname, String rolename); void createGroup(String name); void createRole(String name); void createUser(String name); CompositeData getAuthorization(String username); TabularData getCredentials(String username); CompositeData getGroup(String groupname); String[] getGroups(String filter); String[] getImpliedRoles(String username); String[] getMembers(String groupname); TabularData getProperties(String rolename); String[] getRequiredMembers(String groupname); CompositeData getRole(String name); String[] getRoles(String filter); CompositeData getUser(String username); String getUserWithProperty(String key, String value); String[] getUsers(String filter); String[] listGroups(); String[] listRoles(); String[] listUsers(); void removeCredential(String key, String username); boolean removeGroup(String name); boolean removeMember(String groupname, String rolename); void removeProperty(String key, String rolename); boolean removeRole(String name); boolean removeUser(String name);  }
@Test public void testAddMember() throws IOException { Group group1 = Mockito.mock(Group.class); User user1 = Mockito.mock(User.class); Mockito.when(userAdmin.getRole("group1")).thenReturn(group1); Mockito.when(userAdmin.getRole("user1")).thenReturn(user1); Mockito.when(group1.getType()).thenReturn(Role.GROUP); Mockito.when(group1.addMember(user1)).thenReturn(true); boolean isAdded = mbean.addMember("group1", "user1"); Assert.assertTrue(isAdded); Mockito.verify(group1).addMember(user1); }