config-parser/tests/json/test_json.py

#  Copyright 2026 jCloud Services GbR
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

from src.config_parser.json import JSONConfiguration
from src.config_parser.exceptions import JSONObjectSyntaxError, JSONValueSyntaxError, JSONStringSyntaxError, JSONArraySyntaxError, EscapeSequenceSyntaxError

def test_json_configuration():
    # Test valid JSON configuration parsing
    assert dict(JSONConfiguration.from_string('{"key1": "value1", "key2": 42, "key3": true, "key4": {"k1": 42, "k2": [1, null, true]}}')) == {"key1": "value1", "key2": 42, "key3": True, "key4": {"k1": 42, "k2": [1, None, True]}}
    assert dict(JSONConfiguration.from_string('''{
    "name": "John Doe",
    "active": true,
    "score": 99.5,
    "roles": ["admin", "developer"],
    "meta": null
}''')) == {'name': 'John Doe', 'active': True, 'score': 99.5, 'roles': ['admin', 'developer'], 'meta': None}
    assert dict(JSONConfiguration.from_string('''{
    "items": [],
    "config": {},
    "enabled": false
}''')) == {'items': [], 'config': {}, 'enabled': False}
    assert dict(JSONConfiguration.from_string('''{
   "int": 1,
   "float": 1.0,
   "scientific": 1e3,
   "negative": -42
}''')) == {
    'int': 1,
    'float': 1.0,
    'scientific': 1000.0,
    'negative': -42
}
    assert dict(JSONConfiguration.from_string('''{
    "text": "🌍",
    "escaped": "Line1\\nLine2\\tTabbed",
    "unicode_escape": "\u263A"
}''')) == {
    'text': '🌍',
    'escaped': 'Line1\nLine2\tTabbed',
    'unicode_escape': '☺'
}
    assert dict(JSONConfiguration.from_string('''{"m": [
    { "id": 1, "value": "a" },
    { "id": 2, "value": "b" },
    { "id": 3, "value": null }
]}
''')) == {
    'm': [
        {'id': 1, 'value': 'a'},
        {'id': 2, 'value': 'b'},
        {'id': 3, 'value': None},
    ]
}
    assert dict(JSONConfiguration.from_string('''{
    "1": "one",
    "true": "yes",
    "null": "nothing"
}
''')) == {
    '1': 'one',
    'true': 'yes',
    'null': 'nothing'
}
    assert dict(JSONConfiguration.from_string('''{
  "a": {
    "b": {
      "c": {
        "d": [1, 2, {"e": false}]
      }
    }
  }
}
''')) == {
    'a': {
        'b': {
            'c': {
                'd': [1, 2, {'e': False}]
            }
        }
    }
}
    assert dict(JSONConfiguration.from_string('''{
    "x": 1,
    "x": 2,
    "x": 3
}
''')) == {'x': 3}
    assert dict(JSONConfiguration.from_string('''{"nested": [[[[[[[[[[[[[[[[[[[[0]]]]]]]]]]]]]]]]]]]]}''')) == {'nested': [[[[[[[[[[[[[[[[[[[[0]]]]]]]]]]]]]]]]]]]]}
    assert dict(JSONConfiguration.from_string('''{
    "id": 9007199254740993
}
''')) == {'id': 9007199254740993}
    assert dict(JSONConfiguration.from_string('''{
    "value": 0.1
}''')) == {'value': 0.1}
    assert dict(JSONConfiguration.from_string('{ "x": null }')) == {'x': None}
    assert dict(JSONConfiguration.from_string('{}')) == {}
    assert dict(JSONConfiguration.from_string('''{
    "a": "",
    "b": null
}

''')) == {'a': '', 'b': None}
    assert dict(JSONConfiguration.from_string('''{
    "char1": "é",
    "char2": "e\u0301"
}''')) == {
    'char1': 'é',
    'char2': 'é'
}
    assert dict(JSONConfiguration.from_string('''{
  "text": "hello\u0000world"
}''')) == {'text': 'hello\x00world'}
    assert dict(JSONConfiguration.from_string('''{
  "enabled": "false"
}
''')) == {'enabled': 'false'}
    assert dict(JSONConfiguration.from_string('''{"array": [1, "1", true, null, {}, []]
}''')) == {'array': [1, '1', True, None, {}, []]}
    assert dict(JSONConfiguration.from_string('''{     "a"    :
    [  1 ,2
,3     ] }

''')) == {'a': [1, 2, 3]}

    # Test exceptions
    try:
        JSONConfiguration.from_string('{"a": 1,}')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('''{
    // Comment
    "a": 1
}''')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"a": 1 /* Comment */}')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{a: 1}')
        assert False, 'Excepted JSONValueSyntaxError'
    except JSONValueSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{\'a\': \'b\'}')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"x": 012}')
        assert False, 'Excepted JSONValueSyntaxError'
    except JSONValueSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"x": NaN, "y": Infinity}')
        assert False, 'Excepted JSONValueSyntaxError'
    except JSONValueSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"text": "hello\nworld"}') # This is not a JSON escape sequence!
        assert False, 'Excepted JSONStringSyntaxError'
    except JSONStringSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"x": "\q"}')
        assert False, 'Excepted EscapeSequenceSyntaxError'
    except EscapeSequenceSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"x": "\\u123"}')
        assert False, 'Excepted EscapeSequenceSyntaxError'
    except EscapeSequenceSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{ "a": 1 } { "b": 2 }')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"a": 1 "b": 2}')
        assert False, 'Excepted JSONObjectSyntaxError'
    except JSONObjectSyntaxError:
        pass

    try:
        JSONConfiguration.from_string('{"a": [1, 2, 3}')
        assert False, 'Excepted JSONArraySyntaxError'
    except JSONArraySyntaxError:
        pass

    try:
        JSONConfiguration.from_string('')
        assert False, 'Excepted JSONValueSyntaxError'
    except JSONValueSyntaxError:
        pass