CLASS {{p}}t16_hidden 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 boundary_included FOR TESTING.
    METHODS below_threshold_excluded FOR TESTING.
    METHODS product_without_items FOR TESTING.
    METHODS totals FOR TESTING.
    METHODS product_name FOR TESTING.
    METHODS row_count FOR TESTING.
ENDCLASS.


CLASS {{p}}t16_hidden IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_PROD_SALES' ).
  ENDMETHOD.

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

  METHOD setup.
    DATA lt_prod TYPE STANDARD TABLE OF {{p}}prod WITH EMPTY KEY.
    DATA lt_sale TYPE STANDARD TABLE OF {{p}}sale WITH EMPTY KEY.
    go_env->clear_doubles( ).
    lt_prod = VALUE #( ( prod_id = 'P1' prod_name = 'Widget' )
                       ( prod_id = 'P2' prod_name = 'Gadget' )
                       ( prod_id = 'P3' prod_name = 'Gizmo' )
                       ( prod_id = 'P4' prod_name = 'Spare' ) ).
    lt_sale = VALUE #( ( sale_id = 'S1' item_no = 1 prod_id = 'P1' quantity = 60 )
                       ( sale_id = 'S1' item_no = 2 prod_id = 'P1' quantity = 50 )
                       ( sale_id = 'S2' item_no = 1 prod_id = 'P2' quantity = 40 )
                       ( sale_id = 'S2' item_no = 2 prod_id = 'P2' quantity = 30 )
                       ( sale_id = 'S3' item_no = 1 prod_id = 'P3' quantity = 100 ) ).
    go_env->insert_test_data( lt_prod ).
    go_env->insert_test_data( lt_sale ).
  ENDMETHOD.

  METHOD boundary_included.
    SELECT SINGLE total_qty FROM {{p}}i_prod_sales WHERE prod_id = 'P3' INTO @DATA(lv_total).
    cl_abap_unit_assert=>assert_equals( exp = 100 act = lv_total ).
  ENDMETHOD.

  METHOD below_threshold_excluded.
    SELECT COUNT(*) FROM {{p}}i_prod_sales WHERE prod_id = 'P2' INTO @DATA(lv_rows).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_rows ).
  ENDMETHOD.

  METHOD product_without_items.
    SELECT COUNT(*) FROM {{p}}i_prod_sales WHERE prod_id = 'P4' INTO @DATA(lv_rows).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_rows ).
  ENDMETHOD.

  METHOD totals.
    SELECT SINGLE item_count, total_qty FROM {{p}}i_prod_sales WHERE prod_id = 'P1'
      INTO @DATA(ls_row).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = ls_row-item_count ).
    cl_abap_unit_assert=>assert_equals( exp = 110 act = ls_row-total_qty ).
  ENDMETHOD.

  METHOD product_name.
    SELECT SINGLE prod_name FROM {{p}}i_prod_sales WHERE prod_id = 'P1' INTO @DATA(lv_name).
    cl_abap_unit_assert=>assert_equals( exp = 'Widget' act = lv_name ).
  ENDMETHOD.

  METHOD row_count.
    SELECT COUNT(*) FROM {{p}}i_prod_sales INTO @DATA(lv_rows).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lv_rows ).
  ENDMETHOD.
ENDCLASS.