module Test_read_wrf_nmm_mod
   use read_wrf_nmm_files_mod
   use pfunit_mod
   implicit none

   public :: Test_read_wrf_nmm      

@TestCase
   type, extends(TestCase) :: Test_read_wrf_nmm
      type (read_wrf_nmm_files_class) :: reader
   contains
      procedure :: setUp     ! overides generic
      procedure :: tearDown  ! overrides generic
   end type Test_read_wrf_nmm      

contains

   ! No need to annotate setUp() when _extending_ TestCase
   subroutine setUp(this)
      use mpimod, only: npe,mpi_comm_world,ierror,mype
      use obsmod, only: iadate,time_offset
      use gridmod, only: create_grid_vars
      use constants, only: init_constants,init_constants_derived


      class (Test_read_wrf_nmm), intent(inout) :: this

      call init_constants_derived
      call init_constants(.true.)
      call mpi_comm_size(mpi_comm_world,npe,ierror)
      call mpi_comm_rank(mpi_comm_world,mype,ierror)
      call create_grid_vars

      this%reader = read_wrf_nmm_files_class()

   end subroutine setUp

   ! No need to annotate tearDown() _extending_ TestCase
   subroutine tearDown(this)
      use gridmod, only: destroy_grid_vars
      class (Test_read_wrf_nmm), intent(inout) :: this
      call destroy_grid_vars
   end subroutine tearDown

@Test
   subroutine testReadWrfNmm(this)
      use guess_grids, only: nfldsig,nfldsfc,ntguessig,ntguessfc,&
         ifilesig,ifilesfc,hrdifsig,hrdifsfc,create_gesfinfo

      class (Test_read_wrf_nmm), intent(inout) :: this

      call this%reader%read_wrf_nmm_files(0,test=.true.)

      @assertEqual(1, ntguessfc)
      @assertEqual(3, ifilesfc(1))
      @assertEqual(2.0, hrdifsfc(1))

   end subroutine testReadWrfNmm

end module Test_read_wrf_nmm_mod