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zcl_diff3.clas.testclasses.abap
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zcl_diff3.clas.testclasses.abap
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************************************************************************
* Helper Class
************************************************************************
CLASS lcl_helper DEFINITION.
PUBLIC SECTION.
CLASS-METHODS
split
IMPORTING
iv_string TYPE string
RETURNING
VALUE(rt_result) TYPE string_table.
CLASS-METHODS
concat
IMPORTING
it_strings TYPE string_table
RETURNING
VALUE(rv_result) TYPE string.
ENDCLASS.
CLASS lcl_helper IMPLEMENTATION.
METHOD split.
IF iv_string CS '\n'.
SPLIT iv_string AT '\n' INTO TABLE rt_result.
ELSE.
SPLIT iv_string AT space INTO TABLE rt_result.
ENDIF.
ENDMETHOD.
METHOD concat.
CONCATENATE LINES OF it_strings INTO rv_result SEPARATED BY space.
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/LCS.test.js
**********************************************************************
CLASS ltcl_lcs DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
METHODS:
test FOR TESTING.
ENDCLASS.
CLASS ltcl_lcs IMPLEMENTATION.
METHOD test.
" returns the LCS of two arrays
DATA(lt_lcs) = zcl_diff3=>create( )->lcs(
it_buffer1 = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' )
it_buffer2 = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ) ).
DATA(ls_result) = lt_lcs[ key = lines( lt_lcs ) - 1 ].
" '99'
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 10 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 9 ).
" 'M'
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 9 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 6 ).
" 'ZZ'
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 4 ).
" 'c'
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 3 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 3 ).
" 'a'
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 1 ).
" 'AA'
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = 0 ).
" end
ls_result = lt_lcs[ key = ls_result-chain ].
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer1index
exp = -1 ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-buffer2index
exp = -1 ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/diffComm.test.js
**********************************************************************
CLASS ltcl_diff_comm DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
METHODS:
test FOR TESTING.
ENDCLASS.
CLASS ltcl_diff_comm IMPLEMENTATION.
METHOD test.
" returns a comm-style diff of two arrays
DATA(lt_result) = zcl_diff3=>create( )->diff_comm(
it_buffer1 = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' )
it_buffer2 = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ) ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-common )
exp = 'AA a' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 1 ]-diff ).
cl_abap_unit_assert=>assert_initial( lt_result[ 2 ]-common ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-diff-buffer1 )
exp = 'b' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-diff-buffer2 )
exp = 'd' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-common )
exp = 'c ZZ' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 3 ]-diff ).
cl_abap_unit_assert=>assert_initial( lt_result[ 4 ]-common ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-diff-buffer1 )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-diff-buffer2 )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 5 ]-common )
exp = 'M' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 5 ]-diff ).
cl_abap_unit_assert=>assert_initial( lt_result[ 6 ]-common ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 6 ]-diff-buffer1 )
exp = '' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 6 ]-diff-buffer2 )
exp = 'z z' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 7 ]-common )
exp = '99' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 7 ]-diff ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/diffIndices.test.js
**********************************************************************
CLASS ltcl_diff_indices DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
METHODS:
test FOR TESTING.
ENDCLASS.
CLASS ltcl_diff_indices IMPLEMENTATION.
METHOD test.
" returns array indices for differing regions of two arrays
DATA(lt_result) = zcl_diff3=>create( )->diff_indices(
it_buffer1 = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' )
it_buffer2 = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ) ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer1-key
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer1-len
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-buffer1content )
exp = 'b' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer2-key
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer2-len
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-buffer2content )
exp = 'd' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer1-key
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer1-len
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-buffer1content )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer2-key
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer2-len
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-buffer2content )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer1-key
exp = 10 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer1-len
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-buffer1content )
exp = '' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer2-key
exp = 7 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer2-len
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-buffer2content )
exp = 'z z' ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/diffPatch.test.js
**********************************************************************
CLASS ltcl_diff_patch DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
DATA:
mi_diff3 TYPE REF TO zif_diff3,
mt_a TYPE string_table,
mt_b TYPE string_table.
METHODS:
setup,
test_diff_patch FOR TESTING,
test_patch FOR TESTING,
test_strip_patch FOR TESTING,
test_invert_patch FOR TESTING.
ENDCLASS.
CLASS ltcl_diff_patch IMPLEMENTATION.
METHOD setup.
mi_diff3 = zcl_diff3=>create( ).
mt_a = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' ).
mt_b = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ).
ENDMETHOD.
METHOD test_diff_patch.
" returns a patch-style diff of two arrays
DATA(lt_result) = mi_diff3->diff_patch(
it_buffer1 = mt_a
it_buffer2 = mt_b ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer1-offset
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer1-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-buffer1-chunk )
exp = 'b' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer2-offset
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-buffer2-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-buffer2-chunk )
exp = 'd' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer1-offset
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer1-length
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-buffer1-chunk )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer2-offset
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-buffer2-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-buffer2-chunk )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer1-offset
exp = 10 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer1-length
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-buffer1-chunk )
exp = '' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer2-offset
exp = 7 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-buffer2-length
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-buffer2-chunk )
exp = 'z z' ).
ENDMETHOD.
METHOD test_patch.
" applies a patch against buffer1 to get buffer2
DATA(lt_patch) = mi_diff3->diff_patch(
it_buffer1 = mt_a
it_buffer2 = mt_b ).
DATA(lt_result) = mi_diff3->patch(
it_buffer = mt_a
it_patchres = lt_patch ).
cl_abap_unit_assert=>assert_equals(
act = lt_result
exp = mt_b ).
ENDMETHOD.
METHOD test_strip_patch.
" removes extra information from the diffPatch result
DATA(lt_patch) = mi_diff3->diff_patch(
it_buffer1 = mt_a
it_buffer2 = mt_b ).
DATA(lt_strip) = mi_diff3->strip_patch( lt_patch ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 1 ]-buffer1-offset
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 1 ]-buffer1-length
exp = 1 ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 1 ]-buffer1-chunk ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 1 ]-buffer2-offset ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 1 ]-buffer2-length ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_strip[ 1 ]-buffer2-chunk )
exp = 'd' ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 2 ]-buffer1-offset
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 2 ]-buffer1-length
exp = 4 ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 2 ]-buffer1-chunk ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 2 ]-buffer2-offset ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 2 ]-buffer2-length ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_strip[ 2 ]-buffer2-chunk )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 3 ]-buffer1-offset
exp = 10 ).
cl_abap_unit_assert=>assert_equals(
act = lt_strip[ 3 ]-buffer1-length
exp = 0 ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 3 ]-buffer1-chunk ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 3 ]-buffer2-offset ).
cl_abap_unit_assert=>assert_initial( lt_strip[ 3 ]-buffer2-length ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_strip[ 3 ]-buffer2-chunk )
exp = 'z z' ).
" applies a stripped patch against buffer1 to get buffer2
DATA(lt_result) = mi_diff3->patch(
it_buffer = mt_a
it_patchres = lt_strip ).
cl_abap_unit_assert=>assert_equals(
act = lt_result
exp = mt_b ).
ENDMETHOD.
METHOD test_invert_patch.
" inverts the diffPatch result
DATA(lt_patch) = mi_diff3->diff_patch(
it_buffer1 = mt_a
it_buffer2 = mt_b ).
DATA(lt_invert) = mi_diff3->invert_patch( lt_patch ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 1 ]-buffer2-offset
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 1 ]-buffer2-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 1 ]-buffer2-chunk )
exp = 'b' ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 1 ]-buffer1-offset
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 1 ]-buffer1-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 1 ]-buffer1-chunk )
exp = 'd' ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 2 ]-buffer2-offset
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 2 ]-buffer2-length
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 2 ]-buffer2-chunk )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 2 ]-buffer1-offset
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 2 ]-buffer1-length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 2 ]-buffer1-chunk )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 3 ]-buffer2-offset
exp = 10 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 3 ]-buffer2-length
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 3 ]-buffer2-chunk )
exp = '' ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 3 ]-buffer1-offset
exp = 7 ).
cl_abap_unit_assert=>assert_equals(
act = lt_invert[ 3 ]-buffer1-length
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_invert[ 3 ]-buffer1-chunk )
exp = 'z z' ).
" applies a stripped patch against buffer1 to get buffer2
DATA(lt_result) = mi_diff3->patch(
it_buffer = mt_b
it_patchres = lt_invert ).
cl_abap_unit_assert=>assert_equals(
act = lt_result
exp = mt_a ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/diff3MergeRegions.test.js
**********************************************************************
CLASS ltcl_diff3_merge_regions DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
DATA:
mi_diff3 TYPE REF TO zif_diff3,
mt_o TYPE string_table,
mt_a TYPE string_table,
mt_b TYPE string_table.
METHODS:
setup,
test FOR TESTING.
ENDCLASS.
CLASS ltcl_diff3_merge_regions IMPLEMENTATION.
METHOD setup.
mi_diff3 = zcl_diff3=>create( ).
ENDMETHOD.
METHOD test.
" returns results of 3-way diff from o,a,b arrays
mt_o = lcl_helper=>split( 'AA ZZ 00 M 99' ).
mt_a = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' ).
mt_b = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ).
DATA(lt_result) = mi_diff3->diff3_merge_regions(
it_a = mt_a
it_o = mt_o
it_b = mt_b ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-stable
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-stable_region-buffer
exp = 'o' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-stable_region-buffer_start
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 1 ]-stable_region-buffer_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-stable_region-buffer_content )
exp = 'AA' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-stable
exp = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-a_start
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-a_length
exp = 3 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-unstable_region-a_content )
exp = 'a b c' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-o_start
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-o_length
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-unstable_region-o_content )
exp = '' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-b_start
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 2 ]-unstable_region-b_length
exp = 3 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-unstable_region-b_content )
exp = 'a d c' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-stable
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-stable_region-buffer
exp = 'o' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-stable_region-buffer_start
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 3 ]-stable_region-buffer_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-stable_region-buffer_content )
exp = 'ZZ' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-stable
exp = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-a_start
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-a_length
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-unstable_region-a_content )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-o_start
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-o_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-unstable_region-o_content )
exp = '00' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-b_start
exp = 5 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 4 ]-unstable_region-b_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-unstable_region-b_content )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 5 ]-stable
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 5 ]-stable_region-buffer
exp = 'o' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 5 ]-stable_region-buffer_start
exp = 3 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 5 ]-stable_region-buffer_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 5 ]-stable_region-buffer_content )
exp = 'M' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 6 ]-stable
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 6 ]-stable_region-buffer
exp = 'b' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 6 ]-stable_region-buffer_start
exp = 7 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 6 ]-stable_region-buffer_length
exp = 2 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 6 ]-stable_region-buffer_content )
exp = 'z z' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 7 ]-stable
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 7 ]-stable_region-buffer
exp = 'o' ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 7 ]-stable_region-buffer_start
exp = 4 ).
cl_abap_unit_assert=>assert_equals(
act = lt_result[ 7 ]-stable_region-buffer_length
exp = 1 ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 7 ]-stable_region-buffer_content )
exp = '99' ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/diff3Merge.test.js
**********************************************************************
CLASS ltcl_diff3_merge DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
DATA:
mi_diff3 TYPE REF TO zif_diff3,
mt_o TYPE string_table,
mt_a TYPE string_table,
mt_b TYPE string_table.
METHODS:
setup,
test FOR TESTING,
exclude_false_conflicts FOR TESTING,
include_false_conflicts FOR TESTING.
ENDCLASS.
CLASS ltcl_diff3_merge IMPLEMENTATION.
METHOD setup.
mi_diff3 = zcl_diff3=>create( ).
ENDMETHOD.
METHOD test.
" performs diff3 merge on arrays
mt_o = lcl_helper=>split( 'AA ZZ 00 M 99' ).
mt_a = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' ).
mt_b = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ).
DATA(lt_result) = mi_diff3->diff3_merge(
it_a = mt_a
it_o = mt_o
it_b = mt_b ).
* AA
* <<<<<<< a
* a
* b
* c
* ||||||| o
* =======
* a
* d
* c
* >>>>>>> b
* ZZ
* <<<<<<< a
* new
* 00
* a
* a
* ||||||| o
* 00
* =======
* 11
* >>>>>>> b
* M
* z
* z
* 99
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-ok )
exp = 'AA' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 1 ]-conflict ).
cl_abap_unit_assert=>assert_initial( lt_result[ 2 ]-ok ).
cl_abap_unit_assert=>assert_initial( lt_result[ 2 ]-conflict-o ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-conflict-a )
exp = 'a b c' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-conflict-b )
exp = 'a d c' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-ok )
exp = 'ZZ' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 3 ]-conflict ).
cl_abap_unit_assert=>assert_initial( lt_result[ 4 ]-ok ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-conflict-o )
exp = '00' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-conflict-a )
exp = 'new 00 a a' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 4 ]-conflict-b )
exp = '11' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 5 ]-ok )
exp = 'M z z 99' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 5 ]-conflict ).
ENDMETHOD.
METHOD exclude_false_conflicts.
" excludes false conflicts by default
mt_o = lcl_helper=>split( 'AA ZZ' ).
mt_a = lcl_helper=>split( 'AA a b c ZZ' ).
mt_b = lcl_helper=>split( 'AA a b c ZZ' ).
DATA(lt_result) = mi_diff3->diff3_merge(
it_a = mt_a
it_o = mt_o
it_b = mt_b ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-ok )
exp = 'AA a b c ZZ' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 1 ]-conflict ).
ENDMETHOD.
METHOD include_false_conflicts.
" can include false conflicts with option
mt_o = lcl_helper=>split( 'AA ZZ' ).
mt_a = lcl_helper=>split( 'AA a b c ZZ' ).
mt_b = lcl_helper=>split( 'AA a b c ZZ' ).
DATA(lt_result) = mi_diff3->diff3_merge(
it_a = mt_a
it_o = mt_o
it_b = mt_b
iv_exclude_false_conflicts = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 1 ]-ok )
exp = 'AA' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 1 ]-conflict ).
cl_abap_unit_assert=>assert_initial( lt_result[ 2 ]-ok ).
cl_abap_unit_assert=>assert_initial( lt_result[ 2 ]-conflict-o ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-conflict-a )
exp = 'a b c' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 2 ]-conflict-b )
exp = 'a b c' ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( lt_result[ 3 ]-ok )
exp = 'ZZ' ).
cl_abap_unit_assert=>assert_initial( lt_result[ 3 ]-conflict ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/merge.test.js
**********************************************************************
CLASS ltcl_merge DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
DATA:
mi_diff3 TYPE REF TO zif_diff3,
mt_o TYPE string_table,
mt_a TYPE string_table,
mt_b TYPE string_table.
METHODS:
setup,
test_conflict FOR TESTING,
test_result FOR TESTING.
ENDCLASS.
CLASS ltcl_merge IMPLEMENTATION.
METHOD setup.
mi_diff3 = zcl_diff3=>create( ).
ENDMETHOD.
METHOD test_conflict.
" performs diff3 merge on arrays
mt_o = lcl_helper=>split( 'AA' ).
mt_a = lcl_helper=>split( 'AA' ).
mt_b = lcl_helper=>split( 'AA' ).
DATA(ls_result) = mi_diff3->merge(
it_a = mt_a
it_o = mt_o
it_b = mt_b ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-conflict
exp = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = lcl_helper=>concat( ls_result-result )
exp = 'AA' ).
ENDMETHOD.
METHOD test_result.
" returns a diff3-style merge result
mt_o = lcl_helper=>split( 'AA ZZ 00 M 99' ).
mt_a = lcl_helper=>split( 'AA a b c ZZ new 00 a a M 99' ).
mt_b = lcl_helper=>split( 'AA a d c ZZ 11 M z z 99' ).
DATA(ls_result) = mi_diff3->merge(
it_a = mt_a
it_o = mt_o
it_b = mt_b ).
DATA(lt_exp) = lcl_helper=>split(
'AA\n<<<<<<<\na\nb\nc\n=======\na\nd\nc\n' &&
'>>>>>>>\nZZ\n<<<<<<<\nnew\n00\na\na\n' &&
'=======\n11\n>>>>>>>\nM\nz\nz\n99' ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-conflict
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = ls_result-result
exp = lt_exp ).
ENDMETHOD.
ENDCLASS.
**********************************************************************
* https://github.com/bhousel/node-diff3/blob/main/test/mergeDiff3.test.js
**********************************************************************
CLASS ltcl_merge_diff3 DEFINITION FOR TESTING
DURATION SHORT
RISK LEVEL HARMLESS.
PRIVATE SECTION.
DATA:
mi_diff3 TYPE REF TO zif_diff3,
mt_o TYPE string_table,
mt_a TYPE string_table,
mt_b TYPE string_table.
METHODS:
setup,
test_conflict FOR TESTING,
test_result FOR TESTING.
ENDCLASS.
CLASS ltcl_merge_diff3 IMPLEMENTATION.
METHOD setup.
mi_diff3 = zcl_diff3=>create( ).
ENDMETHOD.
METHOD test_conflict.
" performs diff3 merge on arrays
mt_o = lcl_helper=>split( 'AA' ).
mt_a = lcl_helper=>split( 'AA' ).
mt_b = lcl_helper=>split( 'AA' ).
DATA(ls_result) = mi_diff3->merge_diff3(