CLASS {{p}}t31_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 employees_shown FOR TESTING.
    METHODS employee_values FOR TESTING.
    METHODS manager_id_shown FOR TESTING.
    METHODS managers_shown FOR TESTING.
    METHODS manager_values FOR TESTING.
    METHODS path_reads_manager FOR TESTING.
    METHODS path_manager_dept FOR TESTING.
    METHODS path_only_managers FOR TESTING.
ENDCLASS.


CLASS {{p}}t31_hidden IMPLEMENTATION.
  METHOD class_setup.
    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_EMPLOYEE' ).
  ENDMETHOD.

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

  METHOD setup.
    DATA lt_emp TYPE STANDARD TABLE OF {{p}}emp WITH EMPTY KEY.
    go_env->clear_doubles( ).
    lt_emp = VALUE #(
      ( emp_id = 'E1' manager_id = ''   emp_name = 'Anna' department = 'IT' is_manager = 'X' )
      ( emp_id = 'E2' manager_id = 'E1' emp_name = 'Ben'  department = 'HR' is_manager = 'X' )
      ( emp_id = 'E3' manager_id = 'E1' emp_name = 'Cara' department = 'IT' is_manager = '' )
      ( emp_id = 'E4' manager_id = 'E2' emp_name = 'Dan'  department = 'HR' is_manager = '' )
      ( emp_id = 'E5' manager_id = 'E2' emp_name = 'Eve'  department = 'IT' is_manager = '' )
      ( emp_id = 'E6' manager_id = 'E3' emp_name = 'Fay'  department = 'IT' is_manager = '' ) ).
    go_env->insert_test_data( lt_emp ).
  ENDMETHOD.

  METHOD employees_shown.
    SELECT COUNT(*) FROM {{p}}i_employee INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 6 act = lv_count ).
  ENDMETHOD.

  METHOD employee_values.
    SELECT SINGLE emp_name, department FROM {{p}}i_employee WHERE emp_id = 'E3'
      INTO @DATA(ls_emp).
    cl_abap_unit_assert=>assert_equals( exp = 'Cara' act = ls_emp-emp_name ).
    cl_abap_unit_assert=>assert_equals( exp = 'IT' act = ls_emp-department ).
  ENDMETHOD.

  METHOD manager_id_shown.
    SELECT SINGLE manager_id FROM {{p}}i_employee WHERE emp_id = 'E4'
      INTO @DATA(lv_manager).
    cl_abap_unit_assert=>assert_equals( exp = 'E2' act = lv_manager ).
  ENDMETHOD.

  METHOD managers_shown.
    SELECT COUNT(*) FROM {{p}}i_manager INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lv_count ).
  ENDMETHOD.

  METHOD manager_values.
    SELECT SINGLE mgr_name, mgr_dept FROM {{p}}i_manager WHERE mgr_id = 'E2'
      INTO @DATA(ls_mgr).
    cl_abap_unit_assert=>assert_equals( exp = 'Ben' act = ls_mgr-mgr_name ).
    cl_abap_unit_assert=>assert_equals( exp = 'HR' act = ls_mgr-mgr_dept ).
  ENDMETHOD.

  METHOD path_reads_manager.
    SELECT FROM {{p}}i_employee\_manager
      FIELDS mgr_name
      WHERE mgr_name <> ''
      INTO TABLE @DATA(lt_mgr).
    cl_abap_unit_assert=>assert_equals( exp = 4 act = lines( lt_mgr ) ).
  ENDMETHOD.

  METHOD path_manager_dept.
    SELECT COUNT(*) FROM {{p}}i_employee\_manager
      WHERE mgr_dept = 'IT'
      INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lv_count ).
  ENDMETHOD.

  METHOD path_only_managers.
    SELECT COUNT(*) FROM {{p}}i_employee\_manager
      WHERE mgr_id = 'E3'
      INTO @DATA(lv_count).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_count ).
  ENDMETHOD.
ENDCLASS.