CLASS {{p}}t20_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 parent_name_via_assoc FOR TESTING.
ENDCLASS.


CLASS {{p}}t20_test IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_DEPT' ).
  ENDMETHOD.

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

  METHOD setup.
    DATA lt_dept TYPE STANDARD TABLE OF {{p}}dept WITH EMPTY KEY.
    go_env->clear_doubles( ).
    lt_dept = VALUE #(
      ( dept_id = 'D100' dept_name = 'HEAD OFFICE' parent_id = ''     headcount = 10 )
      ( dept_id = 'D200' dept_name = 'SALES'       parent_id = 'D100' headcount = 25 ) ).
    go_env->insert_test_data( lt_dept ).
  ENDMETHOD.

  METHOD parent_name_via_assoc.
    SELECT SINGLE _parent~dept_name FROM {{p}}i_dept
      WHERE dept_id = 'D200' INTO @DATA(lv_name).
    cl_abap_unit_assert=>assert_equals( exp = 'HEAD OFFICE' act = lv_name ).
  ENDMETHOD.
ENDCLASS.