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 totals_of_one_product FOR TESTING.
ENDCLASS.


CLASS {{p}}t16_test 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.
    go_env->clear_doubles( ).
  ENDMETHOD.

  METHOD totals_of_one_product.
    DATA lt_prod TYPE STANDARD TABLE OF {{p}}prod WITH EMPTY KEY.
    DATA lt_sale TYPE STANDARD TABLE OF {{p}}sale WITH EMPTY KEY.
    lt_prod = VALUE #( ( prod_id = 'A' prod_name = 'Alpha' ) ).
    lt_sale = VALUE #( ( sale_id = 'S1' item_no = 1 prod_id = 'A' quantity = 60 )
                       ( sale_id = 'S1' item_no = 2 prod_id = 'A' quantity = 50 ) ).
    go_env->insert_test_data( lt_prod ).
    go_env->insert_test_data( lt_sale ).
    SELECT SINGLE item_count, total_qty FROM {{p}}i_prod_sales WHERE prod_id = 'A'
      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.
ENDCLASS.