json.test

#!/usr/bin/env tclsh

set testdir [file dirname $argv0]
source $testdir/tester.tcl

do_execsql_test json5-ecma-script-1 {
    select json('{a:5,b:6}') ;
} {{{"a":5,"b":6}}}

do_execsql_test json5-ecma-script-2 {
   SELECT json('{ MNO_123$xyz : 789 }');
} {{{"MNO_123$xyz":789}}}

do_execsql_test json5-with-single-trailing-comma-valid {
    select json('{"a":5, "b":6, }');
} {{{"a":5,"b":6}}}

do_execsql_test json5-single-quoted {
    SELECT json('{"a": ''abcd''}');
} {{{"a":"abcd"}}}

do_execsql_test json5-hexadecimal-1 {
   SELECT json('{a: 0x0}')
} {{{"a":0}}}

do_execsql_test json5-hexadecimal-2 {
   SELECT json('{a: 0xabcdef}')
} {{{"a":11259375}}}

do_execsql_test json5-hexadecimal-2 {
   SELECT json('{a: -0xabcdef}')
} {{{"a":-11259375}}}

do_execsql_test json5-number-1 {
   SELECT json('{x: 4.}')
} {{{"x":4.0}}}

do_execsql_test json5-number-2 {
   SELECT json('{x: +4.}')
} {{{"x":4.0}}}

do_execsql_test json5-number-3 {
   SELECT json('{x: -4.}')
} {{{"x":-4.0}}}

do_execsql_test json5-number-5 {
   SELECT json('{x: Infinity}')
} {{{"x":9e999}}}

do_execsql_test json5-number-6 {
   SELECT json('{x: -Infinity}')
} {{{"x":-9e999}}}

do_execsql_test json5-multi-comment {
   SELECT json(' /* abc */ { /*def*/ aaa /* xyz */ : // to the end of line
          123 /* xyz */ , /* 123 */ }')
} {{{"aaa":123}}}

do_execsql_test json_array_str {
   SELECT json_array('a')
} {{["a"]}}

do_execsql_test json_array_numbers {
   SELECT json_array(1, 1.5)
} {{[1,1.5]}}

do_execsql_test json_array_numbers_2 {
   SELECT json_array(1., +2., -2.)
} {{[1.0,2.0,-2.0]}}

do_execsql_test json_array_null {
   SELECT json_array(null)
} {{[null]}}

do_execsql_test json_array_not_json {
   SELECT json_array('{"a":1}')
} {{["{\"a\":1}"]}}

do_execsql_test json_array_json {
   SELECT json_array(json('{"a":1}'))
} {{[{"a":1}]}}

do_execsql_test json_array_nested {
   SELECT json_array(json_array(1,2,3), json('[1,2,3]'), '[1,2,3]')
} {{[[1,2,3],[1,2,3],"[1,2,3]"]}}


do_execsql_test json_extract_null {
    SELECT json_extract(null, '$')
} {{}}

do_execsql_test json_extract_json_null_type {
    SELECT typeof(json_extract('null', '$'))
} {{null}}

do_execsql_test json_arrow_json_null_type {
    SELECT typeof('null' -> '$')
} {{text}}

do_execsql_test json_arrow_shift_json_null_type {
    SELECT typeof('null' ->> '$')
} {{null}}

do_execsql_test json_extract_empty {
    SELECT json_extract()
} {{}}

do_execsql_test json_extract_single_param {
    SELECT json_extract(1)
} {{}}

do_execsql_test json_extract_null_invalid_path {
    SELECT json_extract(null, 1)
} {{}}

do_execsql_test json_extract_null_invalid_path_2 {
    SELECT json_extract(null, CAST(1 AS BLOB))
} {{}}

do_execsql_test json_extract_multiple_nulls {
    SELECT json_extract(null, CAST(1 AS BLOB), null, 1, 2, 3)
} {{}}

do_execsql_test json_extract_number {
    SELECT json_extract(1, '$')
} {{1}}

do_execsql_test json_extract_number_type {
    SELECT typeof(json_extract(1, '$'))
} {{integer}}

do_execsql_test json_arrow_number {
    SELECT 1 -> '$'
} {{1}}

do_execsql_test json_arrow_number_type {
    SELECT typeof(1 -> '$')
} {{text}}

do_execsql_test json_arrow_shift_number {
    SELECT 1 -> '$'
} {{1}}

do_execsql_test json_arrow_shift_number_type {
    SELECT typeof(1 ->> '$')
} {{integer}}

do_execsql_test json_extract_object_1 {
    SELECT json_extract('{"a": [1,2,3]}', '$.a')
} {{[1,2,3]}}

do_execsql_test json_arrow_object {
    SELECT '{"a": [1,2,3]}' -> '$.a'
} {{[1,2,3]}}

do_execsql_test json_arrow_shift_object {
    SELECT '{"a": [1,2,3]}' ->> '$.a'
} {{[1,2,3]}}

do_execsql_test json_extract_object_2 {
    SELECT json_extract('{"a": [1,2,3]}', '$.a', '$.a[0]', '$.a[1]', '$.a[3]')
} {{[[1,2,3],1,2,null]}}

do_execsql_test json_extract_object_3 {
    SELECT json_extract('{"a": [1,2,3]}', '$.a', '$.a[0]', '$.a[1]', null, '$.a[3]')
} {{}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
#       \x61 is the ASCII code for 'a'
# do_execsql_test json_extract_with_escaping {
#     SELECT json_extract('{"\x61": 1}', '$.a')
# } {{1}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
#do_execsql_test json_extract_with_escaping_2 {
#    SELECT json_extract('{"\x61": 1}', '$.\x61')
#} {{1}}

do_execsql_test json_extract_null_path {
    SELECT json_extract(1, null)
} {{}}

do_execsql_test json_arrow_null_path {
    SELECT 1 -> null
} {{}}

do_execsql_test json_arrow_shift_null_path {
    SELECT 1 ->> null
} {{}}

do_execsql_test json_extract_float {
  SELECT typeof(json_extract(1.0, '$'))
} {{real}}

do_execsql_test json_arrow_float {
  SELECT typeof(1.0 -> '$')
} {{text}}

do_execsql_test json_arrow_shift_float {
  SELECT typeof(1.0 ->> '$')
} {{real}}

do_execsql_test json_extract_true {
  SELECT json_extract('true', '$')
} {{1}}

do_execsql_test json_extract_true_type {
  SELECT typeof(json_extract('true', '$'))
} {{integer}}

do_execsql_test json_arrow_true {
  SELECT 'true' -> '$'
} {{true}}

do_execsql_test json_arrow_true_type {
  SELECT typeof('true' -> '$')
} {{text}}

do_execsql_test json_arrow_shift_true {
  SELECT 'true' ->> '$'
} {{1}}

do_execsql_test json_arrow_shift_true_type {
  SELECT typeof('true' ->> '$')
} {{integer}}

do_execsql_test json_extract_false {
  SELECT json_extract('false', '$')
} {{0}}

do_execsql_test json_extract_false_type {
  SELECT typeof(json_extract('false', '$'))
} {{integer}}

do_execsql_test json_arrow_false {
  SELECT 'false' -> '$'
} {{false}}

do_execsql_test json_arrow_false_type {
  SELECT typeof('false' -> '$')
} {{text}}

do_execsql_test json_arrow_shift_false {
  SELECT 'false' ->> '$'
} {{0}}

do_execsql_test json_arrow_shift_false_type {
  SELECT typeof('false' ->> '$')
} {{integer}}

do_execsql_test json_extract_string {
  SELECT json_extract('"string"', '$')
} {{string}}

do_execsql_test json_extract_string_type {
  SELECT typeof(json_extract('"string"', '$'))
} {{text}}

do_execsql_test json_arrow_string {
  SELECT '"string"' -> '$'
} {{"string"}}

do_execsql_test json_arrow_string_type {
  SELECT typeof('"string"' -> '$')
} {{text}}

do_execsql_test json_arrow_shift_string {
  SELECT '"string"' ->> '$'
} {{string}}

do_execsql_test json_arrow_shift_string_type {
  SELECT typeof('"string"' ->> '$')
} {{text}}

do_execsql_test json_arrow_implicit_root_path {
  SELECT '{"a":1}' -> 'a';
} {{1}}

do_execsql_test json_arrow_shift_implicit_root_path {
  SELECT '{"a":1}' ->> 'a';
} {{1}}

# TODO: fix me after rebasing on top of https://github.com/tursodatabase/limbo/pull/631 - use the Option value in json_extract_single
#do_execsql_test json_arrow_implicit_root_path_undefined_key {
#  SELECT '{"a":1}' -> 'x';
#} {{}}

do_execsql_test json_arrow_shift_implicit_root_path_undefined_key {
  SELECT '{"a":1}' ->> 'x';
} {{}}

do_execsql_test json_arrow_implicit_root_path_array {
  SELECT '[1,2,3]' -> 1;
} {{2}}

do_execsql_test json_arrow_shift_implicit_root_path_array {
  SELECT '[1,2,3]' ->> 1;
} {{2}}

do_execsql_test json_arrow_implicit_root_path_array_negative_idx {
  SELECT '[1,2,3]' -> -1;
} {{3}}

do_execsql_test json_arrow_shift_implicit_root_path_array_negative_idx {
  SELECT '[1,2,3]' ->> -1;
} {{3}}

do_execsql_test json_arrow_implicit_real_cast {
  SELECT '{"1.5":"abc"}' -> 1.5;
} {{"abc"}}

do_execsql_test json_arrow_shift_implicit_real_cast {
  SELECT '{"1.5":"abc"}' -> 1.5;
} {{"abc"}}

do_execsql_test json_arrow_implicit_true_cast {
  SELECT '[1,2,3]' -> true
} {{2}}

do_execsql_test json_arrow_shift_implicit_true_cast {
  SELECT '[1,2,3]' ->> true
} {{2}}

do_execsql_test json_arrow_implicit_false_cast {
  SELECT '[1,2,3]' -> false
} {{1}}

do_execsql_test json_arrow_shift_implicit_false_cast {
  SELECT '[1,2,3]' ->> false
} {{1}}

do_execsql_test json_arrow_chained {
  select '{"a":2,"c":[4,5,{"f":7}]}' -> 'c' -> 2 ->> 'f'
} {{7}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
do_execsql_test json_extract_multiple_null_paths {
    SELECT json_extract(1, null, null, null)
} {{}}

do_execsql_test json_extract_array {
  SELECT json_extract('[1,2,3]', '$')
} {{[1,2,3]}}

do_execsql_test json_arrow_array {
  SELECT '[1,2,3]' -> '$'
} {{[1,2,3]}}

do_execsql_test json_arrow_shift_array {
  SELECT '[1,2,3]' ->> '$'
} {{[1,2,3]}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
#do_execsql_test json_extract_quote {
#  SELECT json_extract('{"\"":1 }', '$.\"')
#} {{1}}

# Overflows 2**32 is equivalent to 0
do_execsql_test json_extract_overflow_int32_1 {
  SELECT json_extract('[1,2,3]', '$[4294967296]')
} {{1}}

# Overflows 2**32 + 1 is equivalent to 1
do_execsql_test json_extract_overflow_int32_2 {
  SELECT json_extract('[1,2,3]', '$[4294967297]')
} {{2}}

# Overflows -2**32 - 1 is equivalent to -1
do_execsql_test json_extract_overflow_int32_3 {
  SELECT json_extract('[1,2,3]', '$[#-4294967297]')
} {{3}}

# Overflows -2**32 - 2 is equivalent to -2
do_execsql_test json_extract_overflow_int32_3 {
  SELECT json_extract('[1,2,3]', '$[#-4294967298]')
} {{2}}

# pow(2,63) + 1 == 9223372036854775808
do_execsql_test json_extract_overflow_int64 {
  SELECT json_extract('[1,2,3]', '$[9223372036854775808]');
} {{1}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
# pow(2, 127) + 1 == 170141183460469231731687303715884105729
#do_execsql_test json_extract_overflow_int128 {
#  SELECT json_extract('[1, 2, 3]', '$[170141183460469231731687303715884105729]');
#} {{2}}

# TODO: fix me - this passes on SQLite and needs to be fixed in Limbo.
#do_execsql_test json_extract_blob {
#  select json_extract(CAST('[1,2,3]' as BLOB), '$[1]')
#} {{2}}

do_execsql_test json_array_length {
   SELECT json_array_length('[1,2,3,4]');
} {{4}}

do_execsql_test json_array_length_empty {
   SELECT json_array_length('[]');
} {{0}}

do_execsql_test json_array_length_root {
  SELECT json_array_length('[1,2,3,4]', '$');
} {{4}}

do_execsql_test json_array_length_not_array {
  SELECT json_array_length('{"one":[1,2,3]}');
} {{0}}

do_execsql_test json_array_length_via_prop {
  SELECT json_array_length('{"one":[1,2,3]}', '$.one');
} {{3}}

do_execsql_test json_array_length_via_index {
  SELECT json_array_length('[[1,2,3,4]]', '$[0]');
} {{4}}

do_execsql_test json_array_length_via_index_not_array {
  SELECT json_array_length('[1,2,3,4]', '$[2]');
} {{0}}

do_execsql_test json_array_length_via_bad_prop {
  SELECT json_array_length('{"one":[1,2,3]}', '$.two');
} {{}}

do_execsql_test json_array_length_nested {
  SELECT json_array_length('{"one":[[1,2,3],2,3]}', '$.one[0]');
} {{3}}

do_execsql_test json_type_no_path {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}')
} {{object}}

do_execsql_test json_type_root_path {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$')
} {{object}}

do_execsql_test json_type_array {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a')
} {{array}}

do_execsql_test json_type_integer {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[0]')
} {{integer}}

do_execsql_test json_type_real {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[1]')
} {{real}}

do_execsql_test json_type_true {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[2]')
} {{true}}

do_execsql_test json_type_false {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[3]')
} {{false}}

do_execsql_test json_type_null {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[4]')
} {{null}}

do_execsql_test json_type_text {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[5]')
} {{text}}

do_execsql_test json_type_NULL {
  select json_type('{"a":[2,3.5,true,false,null,"x"]}','$.a[6]')
} {{}}

do_execsql_test json_type_cast {
  select json_type(1)
} {{integer}}

do_execsql_test json_type_null_arg {
  select json_type(null)
} {{}}

do_execsql_test json_error_position_valid {
  SELECT json_error_position('{"a":55,"b":72,}');
} {{0}}

do_execsql_test json_error_position_valid_ws {
  SELECT json_error_position('{"a":55,"b":72 , }');
} {{0}}

do_execsql_test json_error_position_object {
  SELECT json_error_position('{"a":55,"b":72,,}');
} {{16}}

do_execsql_test json_error_position_array_valid {
  SELECT json_error_position('["a",55,"b",72,]');
} {{0}}

do_execsql_test json_error_position_array_valid_ws {
  SELECT json_error_position('["a",55,"b",72 , ]');
} {{0}}

do_execsql_test json_error_position_array {
  SELECT json_error_position('["a",55,"b",72,,]');
} {{16}}

do_execsql_test json_error_position_null {
  SELECT json_error_position(NULL);
} {{}}

do_execsql_test json_error_position_complex {
  SELECT json_error_position('{a:null,{"h":[1,[1,2,3]],"j":"abc"}:true}');
} {{9}}

do_execsql_test json_object_simple {
  SELECT json_object('key', 'value');
} {{{"key":"value"}}}

do_execsql_test json_object_nested {
  SELECT json_object('grandparent',json_object('parent', json_object('child', 'value')));
} {{{"grandparent":{"parent":{"child":"value"}}}}}

do_execsql_test json_object_quoted_json {
  SELECT json_object('parent', '{"child":"value"}');
} {{{"parent":"{\"child\":\"value\"}"}}}

do_execsql_test json_object_unquoted_json {
  SELECT json_object('parent', json('{"child":"value"}'));
} {{{"parent":{"child":"value"}}}}

do_execsql_test json_object_multiple_values {
    SELECT json_object('text', 'value', 'json', json_object('key', 'value'), 'int', 1, 'float', 1.5, 'null', null);
} {{{"text":"value","json":{"key":"value"},"int":1,"float":1.5,"null":null}}}

do_execsql_test json_object_empty {
  SELECT json_object();
} {{{}}}

do_execsql_test json_object_json_array {
    SELECT json_object('ex',json('[52,3]'));
} {{{"ex":[52,3]}}}

do_execsql_test json_from_json_object {
    SELECT json(json_object('key','value'));
} {{{"key":"value"}}}

# FIXME: this behaviour differs from sqlite. Although, sqlite docs states
# that this could change in a "future enhancement" (https://www.sqlite.org/json1.html#jobj)
#do_execsql_test json_object_duplicated_keys {
#    SELECT json_object('key', 'value', 'key', 'value2');
#} {{{"key":"value2"}}}