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

tasks/T15/reference/i_order_total.ddls.asddls

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+@AccessControl.authorizationCheck: #NOT_REQUIRED
+@EndUserText.label: 'Order totals'
+define view entity {{P}}I_ORDER_TOTAL
+  as select from {{p}}ord as head
+    inner join   {{p}}itm as item on item.order_id = head.order_id
+{
+  key head.order_id                                                   as order_id,
+      head.customer                                                   as customer,
+      count( * )                                                      as item_count,
+      sum( cast( item.quantity as abap.dec( 10, 0 ) ) * item.price )  as total_amount
+}
+group by
+  head.order_id,
+  head.customer

tasks/T15/reference/t15_test.clas.abap

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+CLASS {{p}}t15_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 total_of_one_order FOR TESTING.
+ENDCLASS.
+
+
+CLASS {{p}}t15_test IMPLEMENTATION.
+  METHOD class_setup.
+    go_env = cl_cds_test_environment=>create( i_for_entity = '{{P}}I_ORDER_TOTAL' ).
+  ENDMETHOD.
+
+  METHOD class_teardown.
+    go_env->destroy( ).
+  ENDMETHOD.
+
+  METHOD setup.
+    go_env->clear_doubles( ).
+  ENDMETHOD.
+
+  METHOD total_of_one_order.
+    DATA lt_ord TYPE STANDARD TABLE OF {{p}}ord WITH EMPTY KEY.
+    DATA lt_itm TYPE STANDARD TABLE OF {{p}}itm WITH EMPTY KEY.
+    lt_ord = VALUE #( ( order_id = 'A' customer = 'C1' ) ).
+    lt_itm = VALUE #( ( order_id = 'A' item_no = 1 quantity = 2 price = '1.50' )
+                      ( order_id = 'A' item_no = 2 quantity = 1 price = '4.00' ) ).
+    go_env->insert_test_data( lt_ord ).
+    go_env->insert_test_data( lt_itm ).
+    SELECT SINGLE item_count, total_amount FROM {{p}}i_order_total WHERE order_id = 'A'
+      INTO @DATA(ls_total).
+    cl_abap_unit_assert=>assert_equals( exp = 2 act = ls_total-item_count ).
+    cl_abap_unit_assert=>assert_equals( exp = CONV decfloat34( 7 ) act = CONV decfloat34( ls_total-total_amount ) ).
+  ENDMETHOD.
+ENDCLASS.