CLASS ltc_quote_merger DEFINITION FINAL FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
  PRIVATE SECTION.
    DATA mo_cut TYPE REF TO {{p}}quote_merger.
    METHODS setup.
    METHODS merges_two_lists FOR TESTING.
    METHODS keeps_lowest_price FOR TESTING.
    METHODS breaks_tie_by_supplier FOR TESTING.
    METHODS counts_all_quotes FOR TESTING.
    METHODS rejects_invalid_rows FOR TESTING.
    METHODS sorts_by_material FOR TESTING.
ENDCLASS.


CLASS ltc_quote_merger IMPLEMENTATION.
  METHOD setup.
    mo_cut = NEW {{p}}quote_merger( ).
  ENDMETHOD.

  METHOD merges_two_lists.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-1' supplier = 'ALPHA' price = '10.00' ) ).
    lt_quotes_b = VALUE #( ( material = 'MAT-2' supplier = 'BETA' price = '20.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 2 act = lines( lt_result ) ).
    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_rejected ).
  ENDMETHOD.

  METHOD keeps_lowest_price.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-1' supplier = 'ALPHA' price = '10.00' ) ).
    lt_quotes_b = VALUE #( ( material = 'MAT-1' supplier = 'BETA' price = '8.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 'BETA' act = lt_result[ 1 ]-supplier ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lt_result[ 1 ]-quote_count ).
  ENDMETHOD.

  METHOD breaks_tie_by_supplier.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-1' supplier = 'BETA' price = '10.00' ) ).
    lt_quotes_b = VALUE #( ( material = 'MAT-1' supplier = 'ALPHA' price = '10.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 'ALPHA' act = lt_result[ 1 ]-supplier ).
  ENDMETHOD.

  METHOD counts_all_quotes.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-1' supplier = 'ALPHA' price = '10.00' )
                           ( material = 'MAT-1' supplier = 'ALPHA' price = '10.00' ) ).
    lt_quotes_b = VALUE #( ( material = 'MAT-1' supplier = 'BETA' price = '12.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 3 act = lt_result[ 1 ]-quote_count ).
  ENDMETHOD.

  METHOD rejects_invalid_rows.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-1' supplier = 'ALPHA' price = '0.00' ) ).
    lt_quotes_b = VALUE #( ( material = '' supplier = 'BETA' price = '5.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 0 act = lines( lt_result ) ).
    cl_abap_unit_assert=>assert_equals( exp = 2 act = lv_rejected ).
  ENDMETHOD.

  METHOD sorts_by_material.
    DATA lt_quotes_a TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_quotes_b TYPE {{p}}quote_merger=>tt_quote.
    DATA lt_result TYPE {{p}}quote_merger=>tt_result.
    DATA lv_rejected TYPE i.

    lt_quotes_a = VALUE #( ( material = 'MAT-3' supplier = 'ALPHA' price = '10.00' )
                           ( material = 'MAT-1' supplier = 'BETA' price = '11.00' ) ).
    lt_quotes_b = VALUE #( ( material = 'MAT-2' supplier = 'GAMMA' price = '12.00' ) ).

    mo_cut->merge( EXPORTING it_quotes_a = lt_quotes_a
                             it_quotes_b = lt_quotes_b
                   IMPORTING et_result   = lt_result
                             ev_rejected = lv_rejected ).

    cl_abap_unit_assert=>assert_equals( exp = 'MAT-1' act = lt_result[ 1 ]-material ).
    cl_abap_unit_assert=>assert_equals( exp = 'MAT-3' act = lt_result[ 3 ]-material ).
  ENDMETHOD.
ENDCLASS.