Harness: runner, generator, tasks T01 T13 T14 T15, CLAUDE.md

tasks/T14/reference/sales_sum.prog.abap

@@ -0,0 +1,89 @@
+REPORT {{p}}sales_sum.
+
+DATA gv_region TYPE {{p}}sale-region.
+
+PARAMETERS p_from TYPE d OBLIGATORY.
+SELECT-OPTIONS s_reg FOR gv_region.
+
+CLASS lcl_report DEFINITION FINAL.
+  PUBLIC SECTION.
+    TYPES:
+      BEGIN OF ty_line,
+        region TYPE {{p}}sale-region,
+        total  TYPE {{p}}sale-amount,
+        count  TYPE i,
+      END OF ty_line,
+      tt_line TYPE STANDARD TABLE OF ty_line WITH EMPTY KEY.
+    TYPES tt_region TYPE RANGE OF {{p}}sale-region.
+    METHODS select_totals
+      IMPORTING iv_from         TYPE d
+                it_region       TYPE tt_region
+      RETURNING VALUE(rt_lines) TYPE tt_line.
+    METHODS display
+      CHANGING ct_lines TYPE tt_line.
+ENDCLASS.
+
+CLASS lcl_report IMPLEMENTATION.
+  METHOD select_totals.
+    SELECT region, SUM( amount ) AS total, COUNT( * ) AS count
+      FROM {{p}}sale
+      WHERE sale_date >= @iv_from
+        AND region IN @it_region
+      GROUP BY region
+      ORDER BY total DESCENDING
+      INTO CORRESPONDING FIELDS OF TABLE @rt_lines.
+  ENDMETHOD.
+
+  METHOD display.
+    TRY.
+        cl_salv_table=>factory( IMPORTING r_salv_table = DATA(lo_alv)
+                                CHANGING  t_table      = ct_lines ).
+        lo_alv->display( ).
+      CATCH cx_salv_msg INTO DATA(lx_error).
+        MESSAGE lx_error TYPE 'I' DISPLAY LIKE 'E'.
+    ENDTRY.
+  ENDMETHOD.
+ENDCLASS.
+
+START-OF-SELECTION.
+  DATA(go_report) = NEW lcl_report( ).
+  DATA(gt_lines) = go_report->select_totals( iv_from = p_from it_region = s_reg[] ).
+  go_report->display( CHANGING ct_lines = gt_lines ).
+
+CLASS ltc_report DEFINITION FINAL 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 totals_per_region FOR TESTING.
+    METHODS region_filter FOR TESTING.
+ENDCLASS.
+
+CLASS ltc_report IMPLEMENTATION.
+  METHOD class_setup.
+    go_env = cl_osql_test_environment=>create( i_dependency_list = VALUE #( ( '{{P}}SALE' ) ) ).
+    DATA lt_sale TYPE STANDARD TABLE OF {{p}}sale WITH EMPTY KEY.
+    lt_sale = VALUE #( ( sale_id = 1 region = 'A' sale_date = '20260101' amount = 10 )
+                       ( sale_id = 2 region = 'A' sale_date = '20260102' amount = 5 )
+                       ( sale_id = 3 region = 'B' sale_date = '20260101' amount = 40 ) ).
+    go_env->insert_test_data( lt_sale ).
+  ENDMETHOD.
+
+  METHOD class_teardown.
+    go_env->destroy( ).
+  ENDMETHOD.
+
+  METHOD totals_per_region.
+    DATA(lt_lines) = NEW lcl_report( )->select_totals( iv_from = '20260101' it_region = VALUE #( ) ).
+    cl_abap_unit_assert=>assert_equals( exp = 2 act = lines( lt_lines ) ).
+    cl_abap_unit_assert=>assert_equals( exp = 'B' act = lt_lines[ 1 ]-region ).
+    cl_abap_unit_assert=>assert_equals( exp = 2 act = lt_lines[ 2 ]-count ).
+  ENDMETHOD.
+
+  METHOD region_filter.
+    DATA(lt_lines) = NEW lcl_report( )->select_totals(
+      iv_from = '20260101' it_region = VALUE #( ( sign = 'I' option = 'EQ' low = 'A' ) ) ).
+    cl_abap_unit_assert=>assert_equals( exp = 1 act = lines( lt_lines ) ).
+    cl_abap_unit_assert=>assert_equals( exp = CONV {{p}}sale-amount( 15 ) act = lt_lines[ 1 ]-total ).
+  ENDMETHOD.
+ENDCLASS.