CLASS {{p}}t16_test DEFINITION PUBLIC FINAL CREATE PUBLIC
  FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
  PRIVATE SECTION.
    CLASS-DATA go_env TYPE REF TO if_cds_test_environment.
    CLASS-METHODS class_setup.
    CLASS-METHODS class_teardown.
    METHODS setup.
    METHODS total_of_one_farm FOR TESTING.
    METHODS farm_below_limit FOR TESTING.
    METHODS farm_just_above_limit FOR TESTING.
ENDCLASS.


CLASS {{p}}t16_test IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_MILK_TOTAL' ).
  ENDMETHOD.

  METHOD class_teardown.
    go_env->destroy( ).
  ENDMETHOD.

  METHOD setup.
    go_env->clear_doubles( ).
  ENDMETHOD.

  METHOD total_of_one_farm.
    DATA lt_farm TYPE STANDARD TABLE OF {{p}}farm WITH EMPTY KEY.
    DATA lt_milk TYPE STANDARD TABLE OF {{p}}milk WITH EMPTY KEY.
    lt_farm = VALUE #( ( farm_id = 'A' farmer = 'ANN' region = 'EAST' ) ).
    lt_milk = VALUE #( ( farm_id = 'A' deliv_date = '20240101' litres = '400.0' )
                       ( farm_id = 'A' deliv_date = '20240102' litres = '150.5' ) ).
    go_env->insert_test_data( lt_farm ).
    go_env->insert_test_data( lt_milk ).
    SELECT SINGLE total_litres, delivery_count FROM {{p}}i_milk_total WHERE farm_id = 'A'
      INTO @DATA(ls_total).
    cl_abap_unit_assert=>assert_equals( exp = CONV decfloat34( '550.5' )
                                        act = CONV decfloat34( ls_total-total_litres ) ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = ls_total-delivery_count ).
  ENDMETHOD.

  METHOD farm_below_limit.
    DATA lt_farm TYPE STANDARD TABLE OF {{p}}farm WITH EMPTY KEY.
    DATA lt_milk TYPE STANDARD TABLE OF {{p}}milk WITH EMPTY KEY.
    lt_farm = VALUE #( ( farm_id = 'B' farmer = 'BOB' region = 'WEST' ) ).
    lt_milk = VALUE #( ( farm_id = 'B' deliv_date = '20240101' litres = '100.0' ) ).
    go_env->insert_test_data( lt_farm ).
    go_env->insert_test_data( lt_milk ).
    SELECT COUNT(*) FROM {{p}}i_milk_total INTO @DATA(lv_rows).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_rows ).
  ENDMETHOD.

  METHOD farm_just_above_limit.
    DATA lt_farm TYPE STANDARD TABLE OF {{p}}farm WITH EMPTY KEY.
    DATA lt_milk TYPE STANDARD TABLE OF {{p}}milk WITH EMPTY KEY.
    lt_farm = VALUE #( ( farm_id = 'C' farmer = 'CARL' region = 'WEST' ) ).
    lt_milk = VALUE #( ( farm_id = 'C' deliv_date = '20240101' litres = '250.0' )
                       ( farm_id = 'C' deliv_date = '20240102' litres = '250.5' ) ).
    go_env->insert_test_data( lt_farm ).
    go_env->insert_test_data( lt_milk ).
    SELECT SINGLE total_litres FROM {{p}}i_milk_total WHERE farm_id = 'C'
      INTO @DATA(lv_total).
    cl_abap_unit_assert=>assert_equals( exp = CONV decfloat34( '500.5' )
                                        act = CONV decfloat34( lv_total ) ).
  ENDMETHOD.
ENDCLASS.