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_osql_test_environment.

    CLASS-METHODS class_setup.
    CLASS-METHODS class_teardown.
    METHODS setup.

    METHODS six_components FOR TESTING.
    METHODS component_order FOR TESTING.
    METHODS char_lengths FOR TESTING.
    METHODS amount_type FOR TESTING.
    METHODS date_type FOR TESTING.
    METHODS flat_structure FOR TESTING.
    METHODS audit_structure FOR TESTING.
    METHODS audit_matches FOR TESTING.
    METHODS read_stock_row FOR TESTING.
ENDCLASS.


CLASS {{p}}t16_hidden IMPLEMENTATION.

  METHOD class_setup.
    go_env = cl_osql_test_environment=>create(
      i_dependency_list = VALUE #( ( '{{P}}STOCK' ) ) ).
  ENDMETHOD.

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

  METHOD setup.
    go_env->clear_doubles( ).
    DATA lt_stock TYPE STANDARD TABLE OF {{p}}stock WITH EMPTY KEY.
    lt_stock = VALUE #(
      ( material = 'MAT-1' plant = 'P001' net_amount = '123.45'
        currency = 'EUR' created_by = 'USER1' created_on = '20240115' )
      ( material = 'MAT-2' plant = 'P001' net_amount = '10.00'
        currency = 'EUR' created_by = 'USER2' created_on = '20240116' )
      ( material = 'MAT-3' plant = 'P002' net_amount = '5.50'
        currency = 'USD' created_by = 'USER1' created_on = '20240117' ) ).
    go_env->insert_test_data( lt_stock ).
  ENDMETHOD.

  METHOD six_components.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_fields) = lo_struct->get_ddic_field_list( ).
    cl_abap_unit_assert=>assert_equals( exp = 6 act = lines( lt_fields ) ).
  ENDMETHOD.

  METHOD component_order.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_comp) = lo_struct->get_components( ).
    cl_abap_unit_assert=>assert_equals( exp = 6 act = lines( lt_comp ) ).
    DATA(lv_index) = 0.
    LOOP AT lt_comp INTO DATA(ls_comp).
      lv_index = lv_index + 1.
      CASE lv_index.
        WHEN 1.
          cl_abap_unit_assert=>assert_equals( exp = 'MATERIAL' act = ls_comp-name ).
        WHEN 2.
          cl_abap_unit_assert=>assert_equals( exp = 'PLANT' act = ls_comp-name ).
        WHEN 3.
          cl_abap_unit_assert=>assert_equals( exp = 'NET_AMOUNT' act = ls_comp-name ).
        WHEN 4.
          cl_abap_unit_assert=>assert_equals( exp = 'CURRENCY' act = ls_comp-name ).
        WHEN 5.
          cl_abap_unit_assert=>assert_equals( exp = 'CREATED_BY' act = ls_comp-name ).
        WHEN 6.
          cl_abap_unit_assert=>assert_equals( exp = 'CREATED_ON' act = ls_comp-name ).
      ENDCASE.
    ENDLOOP.
  ENDMETHOD.

  METHOD char_lengths.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_fields) = lo_struct->get_ddic_field_list( ).
    READ TABLE lt_fields INTO DATA(ls_field) WITH KEY fieldname = 'MATERIAL'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component MATERIAL is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 18 act = CONV i( ls_field-leng ) ).
    READ TABLE lt_fields INTO ls_field WITH KEY fieldname = 'PLANT'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component PLANT is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 4 act = CONV i( ls_field-leng ) ).
    READ TABLE lt_fields INTO ls_field WITH KEY fieldname = 'CURRENCY'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component CURRENCY is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 5 act = CONV i( ls_field-leng ) ).
    READ TABLE lt_fields INTO ls_field WITH KEY fieldname = 'CREATED_BY'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component CREATED_BY is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 12 act = CONV i( ls_field-leng ) ).
  ENDMETHOD.

  METHOD amount_type.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_fields) = lo_struct->get_ddic_field_list( ).
    READ TABLE lt_fields INTO DATA(ls_field) WITH KEY fieldname = 'NET_AMOUNT'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component NET_AMOUNT is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 'DEC' act = ls_field-datatype ).
    cl_abap_unit_assert=>assert_equals( exp = 9 act = CONV i( ls_field-leng ) ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = CONV i( ls_field-decimals ) ).
  ENDMETHOD.

  METHOD date_type.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_fields) = lo_struct->get_ddic_field_list( ).
    READ TABLE lt_fields INTO DATA(ls_field) WITH KEY fieldname = 'CREATED_ON'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component CREATED_ON is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 'DATS' act = ls_field-datatype ).
    cl_abap_unit_assert=>assert_equals( exp = 8 act = CONV i( ls_field-leng ) ).
  ENDMETHOD.

  METHOD flat_structure.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lt_comp) = lo_struct->get_components( ).
    LOOP AT lt_comp INTO DATA(ls_comp).
      cl_abap_unit_assert=>assert_equals(
        exp = cl_abap_typedescr=>kind_elem
        act = ls_comp-type->kind
        msg = |Component { ls_comp-name } is not elementary| ).
    ENDLOOP.
  ENDMETHOD.

  METHOD audit_structure.
    DATA(lo_struct) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}AUDIT_INFO' ) ).
    DATA(lt_fields) = lo_struct->get_ddic_field_list( ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lines( lt_fields ) ).
    READ TABLE lt_fields INTO DATA(ls_field) WITH KEY fieldname = 'CREATED_BY'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component CREATED_BY is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 'CHAR' act = ls_field-datatype ).
    cl_abap_unit_assert=>assert_equals( exp = 12 act = CONV i( ls_field-leng ) ).
    READ TABLE lt_fields INTO ls_field WITH KEY fieldname = 'CREATED_ON'.
    cl_abap_unit_assert=>assert_subrc( exp = 0 msg = 'Component CREATED_ON is missing' ).
    cl_abap_unit_assert=>assert_equals( exp = 'DATS' act = ls_field-datatype ).
    cl_abap_unit_assert=>assert_equals( exp = 8 act = CONV i( ls_field-leng ) ).
  ENDMETHOD.

  METHOD audit_matches.
    DATA(lo_line) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}STOCK_LINE' ) ).
    DATA(lo_audit) = CAST cl_abap_structdescr(
      cl_abap_typedescr=>describe_by_name( '{{P}}AUDIT_INFO' ) ).
    DATA(lt_line) = lo_line->get_ddic_field_list( ).
    DATA(lt_audit) = lo_audit->get_ddic_field_list( ).
    LOOP AT lt_audit INTO DATA(ls_audit).
      READ TABLE lt_line INTO DATA(ls_line) WITH KEY fieldname = ls_audit-fieldname.
      cl_abap_unit_assert=>assert_subrc(
        exp = 0 msg = |Component { ls_audit-fieldname } is missing| ).
      cl_abap_unit_assert=>assert_equals( exp = ls_audit-leng act = ls_line-leng ).
      cl_abap_unit_assert=>assert_equals( exp = ls_audit-datatype act = ls_line-datatype ).
    ENDLOOP.
  ENDMETHOD.

  METHOD read_stock_row.
    DATA ls_line TYPE {{p}}stock_line.
    SELECT SINGLE material, plant, net_amount, currency, created_by, created_on
      FROM {{p}}stock
      INTO @ls_line
      WHERE material = 'MAT-1' AND plant = 'P001'.
    cl_abap_unit_assert=>assert_equals( exp = 'MAT-1' act = ls_line-material ).
    cl_abap_unit_assert=>assert_equals( exp = 'P001' act = ls_line-plant ).
    cl_abap_unit_assert=>assert_equals( exp = 'EUR' act = ls_line-currency ).
    cl_abap_unit_assert=>assert_equals( exp = 'USER1' act = ls_line-created_by ).
    cl_abap_unit_assert=>assert_equals(
      exp = CONV d( '20240115' ) act = ls_line-created_on ).
    cl_abap_unit_assert=>assert_equals(
      exp = CONV decfloat34( '123.45' )
      act = CONV decfloat34( ls_line-net_amount ) ).
  ENDMETHOD.
ENDCLASS.