Object type mix: INTF, TABL, STRU, MSAG, exception tasks (harness G2, mutants, generator notes), balanced generator, kind-deficit job order, dashboard mix card

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/G1902/generation.json

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+{
+ "id": "G1902",
+ "pool": "train",
+ "object_type": "MSAG",
+ "category": "D",
+ "attempts": [
+  {
+   "stage": "validate",
+   "oracle": 85.0,
+   "null": 0
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0,
+   "mutation": {
+    "valid": 5,
+    "killed": 5,
+    "ok": true
+   }
+  }
+ ],
+ "accepted": true
+}

tasks_gen/train/G1902/hidden/t41_hidden.clas.abap

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+CLASS {{p}}t41_hidden DEFINITION PUBLIC FINAL CREATE PUBLIC
+  FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
+  PRIVATE SECTION.
+    METHODS msg_001_text FOR TESTING.
+    METHODS msg_002_text FOR TESTING.
+    METHODS msg_003_text FOR TESTING.
+    METHODS msg_004_text FOR TESTING.
+    METHODS msg_005_text FOR TESTING.
+    METHODS placeholder_substitution FOR TESTING.
+    METHODS exception_text_two_args FOR TESTING.
+    METHODS exception_text_one_arg FOR TESTING.
+    METHODS exception_is_catchable FOR TESTING.
+    METHODS exception_is_static_check FOR TESTING.
+ENDCLASS.
+
+
+CLASS {{p}}t41_hidden IMPLEMENTATION.
+  METHOD msg_001_text.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '001' WITH 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals( exp = 'Course ABAP101 is fully booked' act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_002_text.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '002' WITH 'P-100' 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Participant P-100 is already booked for course ABAP101'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_003_text.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '003' WITH 'ABAP101' '3' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Course ABAP101 has only 3 free seats left'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_004_text.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '004' WITH 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Booking for course ABAP101 is confirmed'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_005_text.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '005' WITH 'ABAP101' '20250301' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Course ABAP101 was cancelled on 20250301'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD placeholder_substitution.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '001' WITH 'ABAP202' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals( exp = 'Course ABAP202 is fully booked' act = lv_text ).
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '001' WITH 'ABAP303' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals( exp = 'Course ABAP303 is fully booked' act = lv_text ).
+  ENDMETHOD.
+
+  METHOD exception_text_two_args.
+    DATA(lo_cx) = NEW {{p}}cx_booking( iv_msgno = '002' iv_arg1 = 'P-100' iv_arg2 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Participant P-100 is already booked for course ABAP101'
+      act = lo_cx->get_text( ) ).
+  ENDMETHOD.
+
+  METHOD exception_text_one_arg.
+    DATA(lo_cx) = NEW {{p}}cx_booking( iv_msgno = '004' iv_arg1 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Booking for course ABAP101 is confirmed'
+      act = lo_cx->get_text( ) ).
+  ENDMETHOD.
+
+  METHOD exception_is_catchable.
+    DATA lv_caught TYPE abap_bool.
+    TRY.
+        RAISE EXCEPTION TYPE {{p}}cx_booking
+          EXPORTING iv_msgno = '003' iv_arg1 = 'ABAP101' iv_arg2 = '1'.
+      CATCH {{p}}cx_booking INTO DATA(lo_cx).
+        lv_caught = abap_true.
+        cl_abap_unit_assert=>assert_equals(
+          exp = 'Course ABAP101 has only 1 free seats left'
+          act = lo_cx->get_text( ) ).
+    ENDTRY.
+    cl_abap_unit_assert=>assert_true( lv_caught ).
+  ENDMETHOD.
+
+  METHOD exception_is_static_check.
+    DATA lo_cx TYPE REF TO cx_static_check.
+    lo_cx = NEW {{p}}cx_booking( iv_msgno = '001' iv_arg1 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_bound( lo_cx ).
+  ENDMETHOD.
+ENDCLASS.

tasks_gen/train/G1902/mutation.json

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+{
+ "task": "G1902",
+ "mutants": [
+  {
+   "object": "{{P}}MSG",
+   "mutant": "message 005: &1 -> &2 (placeholder)",
+   "status": "killed",
+   "hidden": "9/10",
+   "failed_tests": [
+    "MSG_005_TEXT"
+   ]
+  },
+  {
+   "object": "{{P}}MSG",
+   "mutant": "message 003: &1 -> &2 (placeholder)",
+   "status": "killed",
+   "hidden": "8/10",
+   "failed_tests": [
+    "EXCEPTION_IS_CATCHABLE",
+    "MSG_003_TEXT"
+   ]
+  },
+  {
+   "object": "{{P}}MSG",
+   "mutant": "message 004: &1 -> &2 (placeholder)",
+   "status": "killed",
+   "hidden": "8/10",
+   "failed_tests": [
+    "EXCEPTION_TEXT_ONE_ARG",
+    "MSG_004_TEXT"
+   ]
+  },
+  {
+   "object": "{{P}}MSG",
+   "mutant": "message 002: text + ' x' (text)",
+   "status": "killed",
+   "hidden": "8/10",
+   "failed_tests": [
+    "EXCEPTION_TEXT_TWO_ARGS",
+    "MSG_002_TEXT"
+   ]
+  },
+  {
+   "object": "{{P}}MSG",
+   "mutant": "message 001: text + ' x' (text)",
+   "status": "killed",
+   "hidden": "8/10",
+   "failed_tests": [
+    "MSG_001_TEXT",
+    "PLACEHOLDER_SUBSTITUTION"
+   ]
+  }
+ ],
+ "valid": 5,
+ "killed": 5,
+ "kill_rate": 1.0,
+ "ok": true
+}

tasks_gen/train/G1902/reference/cx_booking.clas.abap

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+CLASS {{p}}cx_booking DEFINITION PUBLIC INHERITING FROM cx_static_check FINAL CREATE PUBLIC.
+  PUBLIC SECTION.
+    METHODS constructor
+      IMPORTING iv_msgno TYPE symsgno
+                iv_arg1  TYPE string DEFAULT ''
+                iv_arg2  TYPE string DEFAULT ''.
+    METHODS if_message~get_text REDEFINITION.
+  PRIVATE SECTION.
+    DATA mv_msgno TYPE symsgno.
+    DATA mv_arg1 TYPE string.
+    DATA mv_arg2 TYPE string.
+ENDCLASS.
+
+
+CLASS {{p}}cx_booking IMPLEMENTATION.
+  METHOD constructor.
+    super->constructor( ).
+    mv_msgno = iv_msgno.
+    mv_arg1 = iv_arg1.
+    mv_arg2 = iv_arg2.
+  ENDMETHOD.
+
+  METHOD if_message~get_text.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER mv_msgno WITH mv_arg1 mv_arg2 INTO result.
+  ENDMETHOD.
+ENDCLASS.

tasks_gen/train/G1902/reference/t41_test.clas.abap

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+CLASS {{p}}t41_test DEFINITION PUBLIC FINAL CREATE PUBLIC
+  FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
+  PRIVATE SECTION.
+    METHODS msg_001 FOR TESTING.
+    METHODS msg_002 FOR TESTING.
+    METHODS msg_003 FOR TESTING.
+    METHODS msg_004 FOR TESTING.
+    METHODS msg_005 FOR TESTING.
+    METHODS exception_two_args FOR TESTING.
+    METHODS exception_one_arg FOR TESTING.
+    METHODS exception_is_static_check FOR TESTING.
+ENDCLASS.
+
+
+CLASS {{p}}t41_test IMPLEMENTATION.
+  METHOD msg_001.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '001' WITH 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals( exp = 'Course ABAP101 is fully booked' act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_002.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '002' WITH 'P-100' 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Participant P-100 is already booked for course ABAP101'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_003.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '003' WITH 'ABAP101' '3' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Course ABAP101 has only 3 free seats left'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_004.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '004' WITH 'ABAP101' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Booking for course ABAP101 is confirmed'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD msg_005.
+    DATA lv_text TYPE string.
+    MESSAGE ID '{{P}}MSG' TYPE 'E' NUMBER '005' WITH 'ABAP101' '20250301' INTO lv_text.
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Course ABAP101 was cancelled on 20250301'
+      act = lv_text ).
+  ENDMETHOD.
+
+  METHOD exception_two_args.
+    DATA(lo_cx) = NEW {{p}}cx_booking( iv_msgno = '002' iv_arg1 = 'P-100' iv_arg2 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Participant P-100 is already booked for course ABAP101'
+      act = lo_cx->get_text( ) ).
+  ENDMETHOD.
+
+  METHOD exception_one_arg.
+    DATA(lo_cx) = NEW {{p}}cx_booking( iv_msgno = '004' iv_arg1 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_equals(
+      exp = 'Booking for course ABAP101 is confirmed'
+      act = lo_cx->get_text( ) ).
+  ENDMETHOD.
+
+  METHOD exception_is_static_check.
+    DATA lo_cx TYPE REF TO cx_static_check.
+    lo_cx = NEW {{p}}cx_booking( iv_msgno = '001' iv_arg1 = 'ABAP101' ).
+    cl_abap_unit_assert=>assert_bound( lo_cx ).
+  ENDMETHOD.
+ENDCLASS.

tasks_gen/train/G1902/seed/cx_legacy.clas.abap

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+CLASS {{p}}cx_legacy DEFINITION PUBLIC INHERITING FROM cx_static_check FINAL CREATE PUBLIC.
+  PUBLIC SECTION.
+    METHODS constructor IMPORTING iv_text TYPE string.
+    METHODS if_message~get_text REDEFINITION.
+  PRIVATE SECTION.
+    DATA mv_text TYPE string.
+ENDCLASS.
+
+
+CLASS {{p}}cx_legacy IMPLEMENTATION.
+  METHOD constructor.
+    super->constructor( ).
+    mv_text = iv_text.
+  ENDMETHOD.
+
+  METHOD if_message~get_text.
+    result = mv_text.
+  ENDMETHOD.
+ENDCLASS.

tasks_gen/train/G1902/spec.md

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+# 1. Goal
+
+Create the message class and the class-based exception for the training course
+booking service. The booking service reports every problem with a message from
+the message class. The exception class carries the text of such a message.
+
+# 2. Open questions
+
+None.
+
+# 3. Context
+
+- All objects are in package $TMP.
+- The booking service books participants into training courses.
+- The old exception class {{P}}CX_LEGACY exists. It takes a hard-coded text and
+  does not use a message class. The new exception class replaces it.
+- All texts of the booking service come from one message class.
+
+# 4. Contract
+
+- Create the message class {{P}}MSG with the messages of section 5.
+- Create the exception class {{P}}CX_BOOKING:
+  - It is a class-based exception and inherits from CX_STATIC_CHECK.
+  - The constructor has these parameters:
+    - iv_msgno TYPE symsgno
+    - iv_arg1 TYPE string, default ''
+    - iv_arg2 TYPE string, default ''
+  - The method GET_TEXT of the interface IF_MESSAGE returns the text of the
+    message with the number iv_msgno from {{P}}MSG. The placeholder &1 is
+    replaced by iv_arg1 and the placeholder &2 is replaced by iv_arg2.
+
+# 5. Business rules
+
+Message class {{P}}MSG:
+
+1. Message 001, error message, text "Course &1 is fully booked". The booking
+   service uses it when a course has no free seat.
+2. Message 002, error message, text "Participant &1 is already booked for
+   course &2". The booking service uses it for a double booking.
+3. Message 003, warning message, text "Course &1 has only &2 free seats left".
+   The booking service uses it when a course has few free seats left.
+4. Message 004, information message, text "Booking for course &1 is
+   confirmed". The booking service uses it for a successful booking.
+5. Message 005, warning message, text "Course &1 was cancelled on &2". The
+   booking service uses it for a cancelled course.
+
+Exception class {{P}}CX_BOOKING:
+
+6. The constructor stores the message number and the two placeholders.
+7. GET_TEXT returns the text of the message with the number iv_msgno from
+   {{P}}MSG. The placeholder &1 is replaced by iv_arg1 and the placeholder &2 is
+   replaced by iv_arg2.
+
+# 6. Constraints
+
+- Release target: SAP_BASIS 816 (ABAP Platform 2025).
+- Coding standards: Clean ABAP. Keep every method below 40 statements. Do not
+  produce ATC findings of priority 1 or 2.
+- Out of scope: database tables, CDS views, reports, dynpro, and the old
+  exception class {{P}}CX_LEGACY.
+
+# 7. Acceptance
+
+- The message class {{P}}MSG is active. It contains the messages 001 to 005 with
+  the exact texts of section 5.
+- The exception class {{P}}CX_BOOKING is active and has no syntax error.
+- The hidden tests pass.
+- Write ABAP Unit tests for the messages and the exception class in a global
+  test class.

tasks_gen/train/G1902/task.json

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+{
+  "id": "G1902",
+  "category": "D",
+  "object_type": "MSAG",
+  "difficulty": 2,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_LEGACY",
+      "file": "seed/cx_legacy.clas.abap",
+      "description": "Old exception class with a hard-coded text"
+    }
+  ],
+  "contract": [
+    {
+      "type": "MSAG",
+      "name": "{{P}}MSG",
+      "messages": [
+        {
+          "msgno": "001"
+        },
+        {
+          "msgno": "002"
+        },
+        {
+          "msgno": "003"
+        },
+        {
+          "msgno": "004"
+        },
+        {
+          "msgno": "005"
+        }
+      ]
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_BOOKING",
+      "description": "Class-based exception (CX_STATIC_CHECK). Constructor IMPORTING iv_msgno TYPE symsgno, iv_arg1 TYPE string DEFAULT '', iv_arg2 TYPE string DEFAULT ''. GET_TEXT of IF_MESSAGE returns the text of message iv_msgno from {{P}}MSG with &1 = iv_arg1 and &2 = iv_arg2."
+    }
+  ],
+  "out_of_scope": [
+    "{{P}}CX_LEGACY"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T41_HIDDEN",
+      "file": "hidden/t41_hidden.clas.abap",
+      "description": "T41 hidden tests"
+    }
+  ],
+  "reference": [
+    {
+      "type": "MSAG",
+      "name": "{{P}}MSG",
+      "description": "Booking messages",
+      "messages": [
+        {
+          "msgno": "001",
+          "text": "Course &1 is fully booked"
+        },
+        {
+          "msgno": "002",
+          "text": "Participant &1 is already booked for course &2"
+        },
+        {
+          "msgno": "003",
+          "text": "Course &1 has only &2 free seats left"
+        },
+        {
+          "msgno": "004",
+          "text": "Booking for course &1 is confirmed"
+        },
+        {
+          "msgno": "005",
+          "text": "Course &1 was cancelled on &2"
+        }
+      ]
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_BOOKING",
+      "file": "reference/cx_booking.clas.abap",
+      "description": "Booking exception class"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}T41_TEST",
+      "file": "reference/t41_test.clas.abap",
+      "description": "T41 own tests"
+    }
+  ],
+  "craft_checks": [
+    "method_length"
+  ]
+}