CLASS {{p}}t41_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 order_with_customer FOR TESTING.
    METHODS order_no_customer FOR TESTING.
    METHODS all_orders FOR TESTING.
    METHODS country_shown FOR TESTING.
    METHODS amount_shown FOR TESTING.
    METHODS key_stable FOR TESTING.
    METHODS empty_name_kept FOR TESTING.
    METHODS empty_country_kept FOR TESTING.
    METHODS shared_customer FOR TESTING.
    METHODS class_high FOR TESTING.
    METHODS class_medium FOR TESTING.
    METHODS class_low FOR TESTING.
ENDCLASS.


CLASS {{p}}t41_hidden IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_SO_CUST' ).
  ENDMETHOD.

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

  METHOD setup.
    DATA lt_so TYPE STANDARD TABLE OF {{p}}so WITH EMPTY KEY.
    DATA lt_cust TYPE STANDARD TABLE OF {{p}}cust WITH EMPTY KEY.
    go_env->clear_doubles( ).
    lt_cust = VALUE #(
      ( customer_id = 'C1' name = 'Alpha Corp' country = 'DE' )
      ( customer_id = 'C2' name = 'Beta Inc' country = 'US' )
      ( customer_id = 'C3' name = '' country = 'FR' )
      ( customer_id = 'C4' name = 'Delta Ltd' country = '' ) ).
    lt_so = VALUE #(
      ( order_id = 'O1' customer_id = 'C1' order_date = '20240101' net_amount = '1000.00' )
      ( order_id = 'O2' customer_id = 'C2' order_date = '20240102' net_amount = '200.00' )
      ( order_id = 'O3' customer_id = '' order_date = '20240103' net_amount = '300.00' )
      ( order_id = 'O4' customer_id = 'C1' order_date = '20240104' net_amount = '123.45' )
      ( order_id = 'O5' customer_id = 'C3' order_date = '20240105' net_amount = '500.00' )
      ( order_id = 'O6' customer_id = 'C4' order_date = '20240106' net_amount = '600.00' )
      ( order_id = 'O7' customer_id = 'C1' order_date = '20240107' net_amount = '100.00' )
      ( order_id = 'O8' customer_id = 'C2' order_date = '20240108' net_amount = '99.99' )
      ( order_id = 'O9' customer_id = 'C1' order_date = '20240109' net_amount = '999.99' ) ).
    go_env->insert_test_data( lt_cust ).
    go_env->insert_test_data( lt_so ).
  ENDMETHOD.

  METHOD order_with_customer.
    SELECT SINGLE customer_name, country, net_amount, amount_class
      FROM {{p}}i_so_cust
      WHERE order_id = 'O1'
      INTO @DATA(ls_row).
    cl_abap_unit_assert=>assert_equals( exp = 'Alpha Corp' act = ls_row-customer_name ).
    cl_abap_unit_assert=>assert_equals( exp = 'DE' act = ls_row-country ).
    cl_abap_unit_assert=>assert_equals(
      exp = CONV decfloat34( '1000.00' )
      act = CONV decfloat34( ls_row-net_amount ) ).
    cl_abap_unit_assert=>assert_equals( exp = 'H' act = ls_row-amount_class ).
  ENDMETHOD.

  METHOD order_no_customer.
    SELECT COUNT(*) FROM {{p}}i_so_cust
      WHERE order_id = 'O3' INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 1 act = lv_count ).
    SELECT SINGLE customer_name, country FROM {{p}}i_so_cust
      WHERE order_id = 'O3' INTO @DATA(ls_row).
    cl_abap_unit_assert=>assert_initial( ls_row-customer_name ).
    cl_abap_unit_assert=>assert_initial( ls_row-country ).
  ENDMETHOD.

  METHOD all_orders.
    SELECT COUNT(*) FROM {{p}}i_so_cust INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 9 act = lv_count ).
  ENDMETHOD.

  METHOD country_shown.
    SELECT SINGLE country FROM {{p}}i_so_cust
      WHERE order_id = 'O2' INTO @DATA(lv_country).
    cl_abap_unit_assert=>assert_equals( exp = 'US' act = lv_country ).
  ENDMETHOD.

  METHOD amount_shown.
    SELECT SINGLE net_amount FROM {{p}}i_so_cust
      WHERE order_id = 'O2' INTO @DATA(lv_amount).
    cl_abap_unit_assert=>assert_equals(
      exp = CONV decfloat34( '200.00' )
      act = CONV decfloat34( lv_amount ) ).
    SELECT SINGLE net_amount FROM {{p}}i_so_cust
      WHERE order_id = 'O4' INTO @DATA(lv_dec).
    cl_abap_unit_assert=>assert_equals(
      exp = CONV decfloat34( '123.45' )
      act = CONV decfloat34( lv_dec ) ).
  ENDMETHOD.

  METHOD key_stable.
    SELECT SINGLE order_id FROM {{p}}i_so_cust
      WHERE order_id = 'O1' INTO @DATA(lv_id).
    cl_abap_unit_assert=>assert_equals( exp = 'O1' act = lv_id ).
  ENDMETHOD.

  METHOD empty_name_kept.
    SELECT COUNT(*) FROM {{p}}i_so_cust
      WHERE order_id = 'O5' INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 1 act = lv_count ).
    SELECT SINGLE customer_name, country FROM {{p}}i_so_cust
      WHERE order_id = 'O5' INTO @DATA(ls_row).
    cl_abap_unit_assert=>assert_initial( ls_row-customer_name ).
    cl_abap_unit_assert=>assert_equals( exp = 'FR' act = ls_row-country ).
  ENDMETHOD.

  METHOD empty_country_kept.
    SELECT COUNT(*) FROM {{p}}i_so_cust
      WHERE order_id = 'O6' INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 1 act = lv_count ).
    SELECT SINGLE customer_name, country FROM {{p}}i_so_cust
      WHERE order_id = 'O6' INTO @DATA(ls_row).
    cl_abap_unit_assert=>assert_equals( exp = 'Delta Ltd' act = ls_row-customer_name ).
    cl_abap_unit_assert=>assert_initial( ls_row-country ).
  ENDMETHOD.

  METHOD shared_customer.
    SELECT COUNT(*) FROM {{p}}i_so_cust
      WHERE customer_name = 'Alpha Corp' INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 4 act = lv_count ).
    SELECT SINGLE country FROM {{p}}i_so_cust
      WHERE order_id = 'O4' INTO @DATA(lv_country).
    cl_abap_unit_assert=>assert_equals( exp = 'DE' act = lv_country ).
  ENDMETHOD.

  METHOD class_high.
    SELECT SINGLE amount_class FROM {{p}}i_so_cust
      WHERE order_id = 'O1' INTO @DATA(lv_class).
    cl_abap_unit_assert=>assert_equals( exp = 'H' act = lv_class ).
  ENDMETHOD.

  METHOD class_medium.
    SELECT SINGLE amount_class FROM {{p}}i_so_cust
      WHERE order_id = 'O7' INTO @DATA(lv_lo).
    cl_abap_unit_assert=>assert_equals( exp = 'M' act = lv_lo ).
    SELECT SINGLE amount_class FROM {{p}}i_so_cust
      WHERE order_id = 'O9' INTO @DATA(lv_hi).
    cl_abap_unit_assert=>assert_equals( exp = 'M' act = lv_hi ).
  ENDMETHOD.

  METHOD class_low.
    SELECT SINGLE amount_class FROM {{p}}i_so_cust
      WHERE order_id = 'O8' INTO @DATA(lv_class).
    cl_abap_unit_assert=>assert_equals( exp = 'L' act = lv_class ).
  ENDMETHOD.
ENDCLASS.