Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* UTIL
**********************************************************************
CLASS lcl_nodes_helper DEFINITION FINAL.
PUBLIC SECTION.
DATA mt_nodes TYPE zif_abapgit_ajson_types=>ty_nodes_tt READ-ONLY.
METHODS add
IMPORTING
iv_str TYPE string.
METHODS sorted
RETURNING
VALUE(rt_nodes) TYPE zif_abapgit_ajson_types=>ty_nodes_ts.
ENDCLASS.
CLASS lcl_nodes_helper IMPLEMENTATION.
METHOD add.
FIELD-SYMBOLS <n> LIKE LINE OF mt_nodes.
DATA lv_children TYPE string.
DATA lv_index TYPE string.
APPEND INITIAL LINE TO mt_nodes ASSIGNING <n>.
SPLIT iv_str AT '|' INTO
<n>-path
<n>-name
<n>-type
<n>-value
lv_index
lv_children.
CONDENSE <n>-path.
CONDENSE <n>-name.
CONDENSE <n>-type.
CONDENSE <n>-value.
<n>-index = lv_index.
<n>-children = lv_children.
ENDMETHOD.
METHOD sorted.
rt_nodes = mt_nodes.
ENDMETHOD.
ENDCLASS.
**********************************************************************
* PARSER
**********************************************************************
CLASS ltcl_parser_test DEFINITION FINAL
FOR TESTING
RISK LEVEL HARMLESS
DURATION SHORT.
PUBLIC SECTION.
CLASS-METHODS sample_json
IMPORTING
iv_separator TYPE string OPTIONAL
RETURNING
VALUE(rv_json) TYPE string.
ENDCLASS.
CLASS ltcl_parser_test IMPLEMENTATION.
METHOD sample_json.
rv_json =
'{\n' &&
' "string": "abc",\n' &&
' "number": 123,\n' &&
' "float": 123.45,\n' &&
' "boolean": true,\n' &&
' "false": false,\n' &&
' "null": null,\n' &&
' "date": "2020-03-15",\n' &&
' "issues": [\n' &&
' {\n' &&
' "message": "Indentation problem ...",\n' &&
' "key": "indentation",\n' &&
' "start": {\n' &&
' "row": 4,\n' &&
' "col": 3\n' &&
' },\n' &&
' "end": {\n' &&
' "row": 4,\n' &&
' "col": 26\n' &&
' },\n' &&
' "filename": "./zxxx.prog.abap"\n' &&
' },\n' &&
' {\n' &&
' "message": "Remove space before XXX",\n' &&
' "key": "space_before_dot",\n' &&
' "start": {\n' &&
' "row": 3,\n' &&
' "col": 21\n' &&
' },\n' &&
' "end": {\n' &&
' "row": 3,\n' &&
' "col": 22\n' &&
' },\n' &&
' "filename": "./zxxx.prog.abap"\n' &&
' }\n' &&
' ]\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN rv_json WITH iv_separator.
ENDMETHOD.
ENDCLASS.
**********************************************************************
* JSON UTILITIES
**********************************************************************
CLASS ltcl_json_utils DEFINITION
FOR TESTING
RISK LEVEL HARMLESS
DURATION SHORT
FINAL.
PRIVATE SECTION.
METHODS json_diff FOR TESTING RAISING zcx_abapgit_ajson_error.
METHODS json_diff_types FOR TESTING RAISING zcx_abapgit_ajson_error.
METHODS json_diff_arrays FOR TESTING RAISING zcx_abapgit_ajson_error.
METHODS json_merge FOR TESTING RAISING zcx_abapgit_ajson_error.
METHODS json_sort FOR TESTING RAISING zcx_abapgit_ajson_error.
METHODS is_equal FOR TESTING RAISING zcx_abapgit_ajson_error.
ENDCLASS.
CLASS ltcl_json_utils IMPLEMENTATION.
METHOD json_diff.
DATA:
lv_json TYPE string,
lo_util TYPE REF TO zcl_abapgit_ajson_utilities,
lo_insert TYPE REF TO zif_abapgit_ajson,
lo_delete TYPE REF TO zif_abapgit_ajson,
lo_change TYPE REF TO zif_abapgit_ajson,
lo_insert_exp TYPE REF TO lcl_nodes_helper,
lo_delete_exp TYPE REF TO lcl_nodes_helper,
lo_change_exp TYPE REF TO lcl_nodes_helper.
lv_json =
'{\n' &&
' "string": "abc",\n' && " no changes
' "number": 789,\n' && " changed value
' "float": 123.45,\n' &&
' "boolean": "true",\n' && " changed type
' "true": true,\n' && " insert
* ' "false": false,\n' && " delete
' "null": null,\n' &&
' "date": "2020-03-15",\n' &&
' "issues": [\n' &&
' {\n' &&
' "message": "Indentation problem ...",\n' &&
' "key": "indentation",\n' &&
' "start": {\n' &&
' "row": 5,\n' && " array change
' "col": 3\n' &&
' },\n' &&
' "end": {\n' &&
' "new": 1,\n' && " array insert
* ' "row": 4,\n' && " array delete
' "col": 26\n' &&
' },\n' &&
' "filename": "./zxxx.prog.abap"\n' &&
' },\n' &&
' {\n' &&
' "message": "Remove space before XXX",\n' &&
' "key": "space_before_dot",\n' &&
' "start": {\n' &&
' "row": 3,\n' &&
' "col": 21\n' &&
' },\n' &&
' "end": {\n' &&
' "row": 3,\n' &&
' "col": 22\n' &&
' },\n' &&
' "filename": "./zxxx.prog.abap"\n' &&
' }\n' &&
' ]\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json WITH cl_abap_char_utilities=>newline.
CREATE OBJECT lo_insert_exp.
lo_insert_exp->add( ' | |object | |0|3' ).
lo_insert_exp->add( '/ |boolean |str |true |0|0' ). " changed type (insert new)
lo_insert_exp->add( '/ |issues |array | |0|1' ).
lo_insert_exp->add( '/ |true |bool |true |0|0' ). " insert
lo_insert_exp->add( '/issues/ |1 |object | |1|1' ).
lo_insert_exp->add( '/issues/1/ |end |object | |0|1' ).
lo_insert_exp->add( '/issues/1/end/ |new |num |1 |0|0' ). " array insert
CREATE OBJECT lo_delete_exp.
lo_delete_exp->add( ' | |object | |0|3' ).
lo_delete_exp->add( '/ |boolean |bool |true |0|0' ). " changed type (delete old)
lo_delete_exp->add( '/ |false |bool |false |0|0' ). " delete
lo_delete_exp->add( '/ |issues |array | |0|1' ).
lo_delete_exp->add( '/issues/ |1 |object | |1|1' ).
lo_delete_exp->add( '/issues/1/ |end |object | |0|1' ).
lo_delete_exp->add( '/issues/1/end/ |row |num |4 |0|0' ). " array delete
CREATE OBJECT lo_change_exp.
lo_change_exp->add( ' | |object | |0|2' ).
lo_change_exp->add( '/ |issues |array | |0|1' ).
lo_change_exp->add( '/ |number |num |789 |0|0' ). " changed value
lo_change_exp->add( '/issues/ |1 |object | |1|1' ).
lo_change_exp->add( '/issues/1/ |start |object | |0|1' ).
lo_change_exp->add( '/issues/1/start/|row |num |5 |0|0' ). " array change
CREATE OBJECT lo_util.
lo_util->diff(
EXPORTING
iv_json_a = ltcl_parser_test=>sample_json( )
iv_json_b = lv_json
IMPORTING
eo_insert = lo_insert
eo_delete = lo_delete
eo_change = lo_change ).
cl_abap_unit_assert=>assert_equals(
act = lo_insert->mt_json_tree
exp = lo_insert_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lo_delete->mt_json_tree
exp = lo_delete_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lo_change->mt_json_tree
exp = lo_change_exp->mt_nodes ).
ENDMETHOD.
METHOD json_diff_types.
DATA:
lv_json_a TYPE string,
lv_json_b TYPE string,
lo_util TYPE REF TO zcl_abapgit_ajson_utilities,
lo_insert TYPE REF TO zif_abapgit_ajson,
lo_delete TYPE REF TO zif_abapgit_ajson,
lo_change TYPE REF TO zif_abapgit_ajson,
lo_insert_exp TYPE REF TO lcl_nodes_helper,
lo_delete_exp TYPE REF TO lcl_nodes_helper.
" Change single value to array
lv_json_a =
'{\n' &&
' "string": "abc",\n' &&
' "number": 123\n' &&
'}'.
lv_json_b =
'{\n' &&
' "string": [\n' &&
' "a",\n' &&
' "b",\n' &&
' "c"\n' &&
' ],\n' &&
' "number": 123\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_a WITH cl_abap_char_utilities=>newline.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_b WITH cl_abap_char_utilities=>newline.
CREATE OBJECT lo_insert_exp.
lo_insert_exp->add( ' | |object | |0|1' ).
lo_insert_exp->add( '/ |string |array | |0|3' ).
lo_insert_exp->add( '/string/ |1 |str |a |1|0' ).
lo_insert_exp->add( '/string/ |2 |str |b |2|0' ).
lo_insert_exp->add( '/string/ |3 |str |c |3|0' ).
CREATE OBJECT lo_delete_exp.
lo_delete_exp->add( ' | |object | |0|1' ).
lo_delete_exp->add( '/ |string |str |abc |0|0' ).
CREATE OBJECT lo_util.
lo_util->diff(
EXPORTING
iv_json_a = lv_json_a
iv_json_b = lv_json_b
IMPORTING
eo_insert = lo_insert
eo_delete = lo_delete
eo_change = lo_change ).
cl_abap_unit_assert=>assert_equals(
act = lo_insert->mt_json_tree
exp = lo_insert_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lo_delete->mt_json_tree
exp = lo_delete_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_change->mt_json_tree )
exp = 0 ).
" Change array to single value
lo_util->diff(
EXPORTING
iv_json_a = lv_json_b
iv_json_b = lv_json_a
IMPORTING
eo_insert = lo_insert
eo_delete = lo_delete
eo_change = lo_change ).
cl_abap_unit_assert=>assert_equals(
act = lo_insert->mt_json_tree
exp = lo_delete_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lo_delete->mt_json_tree
exp = lo_insert_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_change->mt_json_tree )
exp = 0 ).
ENDMETHOD.
METHOD json_diff_arrays.
DATA:
lv_json_a TYPE string,
lv_json_b TYPE string,
lo_util TYPE REF TO zcl_abapgit_ajson_utilities,
lo_insert TYPE REF TO zif_abapgit_ajson,
lo_delete TYPE REF TO zif_abapgit_ajson,
lo_change TYPE REF TO zif_abapgit_ajson,
lo_insert_exp TYPE REF TO lcl_nodes_helper.
" Add empty array
lv_json_a =
'{\n' &&
' "number": 123\n' &&
'}'.
lv_json_b =
'{\n' &&
' "names": [],\n' &&
' "number": 123\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_a WITH cl_abap_char_utilities=>newline.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_b WITH cl_abap_char_utilities=>newline.
CREATE OBJECT lo_util.
" Empty arrays are ignored by default
lo_util->diff(
EXPORTING
iv_json_a = lv_json_a
iv_json_b = lv_json_b
IMPORTING
eo_insert = lo_insert
eo_delete = lo_delete
eo_change = lo_change ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_insert->mt_json_tree )
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_delete->mt_json_tree )
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_change->mt_json_tree )
exp = 0 ).
" Keep empty arrays
lo_util->diff(
EXPORTING
iv_json_a = lv_json_a
iv_json_b = lv_json_b
iv_keep_empty_arrays = abap_true
IMPORTING
eo_insert = lo_insert
eo_delete = lo_delete
eo_change = lo_change ).
CREATE OBJECT lo_insert_exp.
lo_insert_exp->add( ' | |object | |0|1' ).
lo_insert_exp->add( '/ |names |array | |0|0' ).
cl_abap_unit_assert=>assert_equals(
act = lo_insert->mt_json_tree
exp = lo_insert_exp->mt_nodes ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_delete->mt_json_tree )
exp = 0 ).
cl_abap_unit_assert=>assert_equals(
act = lines( lo_change->mt_json_tree )
exp = 0 ).
ENDMETHOD.
METHOD json_merge.
DATA:
lv_json_a TYPE string,
lv_json_b TYPE string,
lo_util TYPE REF TO zcl_abapgit_ajson_utilities,
lo_merge TYPE REF TO zif_abapgit_ajson,
lo_merge_exp TYPE REF TO lcl_nodes_helper.
" Merge new value of b into a
lv_json_a =
'{\n' &&
' "string": [\n' &&
' "a",\n' &&
' "c"\n' &&
' ],\n' &&
' "number": 123\n' &&
'}'.
lv_json_b =
'{\n' &&
' "string": [\n' &&
' "a",\n' &&
' "b"\n' && " new array value
' ],\n' &&
' "number": 456,\n' && " existing values are not overwritten
' "float": 123.45\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_a WITH cl_abap_char_utilities=>newline.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json_b WITH cl_abap_char_utilities=>newline.
CREATE OBJECT lo_merge_exp.
lo_merge_exp->add( ' | |object | |0|3' ).
lo_merge_exp->add( '/ |float |num |123.45 |0|0' ).
lo_merge_exp->add( '/ |number |num |123 |0|0' ).
lo_merge_exp->add( '/ |string |array | |0|3' ).
lo_merge_exp->add( '/string/ |1 |str |a |1|0' ).
lo_merge_exp->add( '/string/ |2 |str |c |2|0' ).
lo_merge_exp->add( '/string/ |3 |str |b |3|0' ).
CREATE OBJECT lo_util.
lo_merge = lo_util->merge(
iv_json_a = lv_json_a
iv_json_b = lv_json_b ).
cl_abap_unit_assert=>assert_equals(
act = lo_merge->mt_json_tree
exp = lo_merge_exp->mt_nodes ).
ENDMETHOD.
METHOD json_sort.
DATA:
lv_json TYPE string,
lo_util TYPE REF TO zcl_abapgit_ajson_utilities,
lv_sorted TYPE string,
lv_sorted_exp TYPE string.
lv_json =
'{\n' &&
' "string": "abc",\n' &&
' "number": 789,\n' &&
' "float": 123.45,\n' &&
' "boolean": "true",\n' &&
' "true": true,\n' &&
' "false": false,\n' &&
' "null": null,\n' &&
' "date": "2020-03-15"\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_json WITH cl_abap_char_utilities=>newline.
lv_sorted_exp =
'{\n' &&
' "boolean": "true",\n' &&
' "date": "2020-03-15",\n' &&
' "false": false,\n' &&
' "float": 123.45,\n' &&
' "null": null,\n' &&
' "number": 789,\n' &&
' "string": "abc",\n' &&
' "true": true\n' &&
'}'.
REPLACE ALL OCCURRENCES OF '\n' IN lv_sorted_exp WITH cl_abap_char_utilities=>newline.
CREATE OBJECT lo_util.
lv_sorted = lo_util->sort( iv_json = lv_json ).
cl_abap_unit_assert=>assert_equals(
act = lv_sorted
exp = lv_sorted_exp ).
ENDMETHOD.
METHOD is_equal.
cl_abap_unit_assert=>assert_equals(
act = zcl_abapgit_ajson_utilities=>new( )->is_equal(
ii_json_a = zcl_abapgit_ajson=>parse( '{"a":1,"b":2}' )
ii_json_b = zcl_abapgit_ajson=>parse( '{"a":1,"b":2}' ) )
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = zcl_abapgit_ajson_utilities=>new( )->is_equal(
iv_json_a = '{"a":1,"b":2}'
iv_json_b = '{"a":1,"b":2}' )
exp = abap_true ).
cl_abap_unit_assert=>assert_equals(
act = zcl_abapgit_ajson_utilities=>new( )->is_equal(
iv_json_a = '{"a":1,"b":2}'
iv_json_b = '{"a":1,"b":3}' )
exp = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = zcl_abapgit_ajson_utilities=>new( )->is_equal(
iv_json_a = '{"a":1,"b":2}'
iv_json_b = '{"a":1,"b":2,"c":3}' )
exp = abap_false ).
cl_abap_unit_assert=>assert_equals(
act = zcl_abapgit_ajson_utilities=>new( )->is_equal(
iv_json_a = '{"a":1,"b":2,"c":3}'
iv_json_b = '{"a":1,"b":2}' )
exp = abap_false ).
ENDMETHOD.
ENDCLASS.
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