1252 lines
40 KiB
Python
1252 lines
40 KiB
Python
import calendar
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import datetime
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import decimal
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import json
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import locale
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import math
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import re
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import time
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import dateutil
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import numpy as np
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import pytest
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import pytz
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import pandas._libs.json as ujson
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from pandas.compat import (
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IS64,
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PY310,
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is_platform_windows,
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)
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from pandas import (
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DataFrame,
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DatetimeIndex,
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Index,
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NaT,
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PeriodIndex,
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Series,
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Timedelta,
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Timestamp,
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date_range,
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)
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import pandas._testing as tm
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def _clean_dict(d):
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"""
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Sanitize dictionary for JSON by converting all keys to strings.
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Parameters
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----------
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d : dict
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The dictionary to convert.
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Returns
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-------
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cleaned_dict : dict
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"""
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return {str(k): v for k, v in d.items()}
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@pytest.fixture(
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params=[None, "split", "records", "values", "index"] # Column indexed by default.
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)
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def orient(request):
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return request.param
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@pytest.fixture(params=[None, True])
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def numpy(request):
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return request.param
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def get_int32_compat_dtype(numpy, orient):
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# See GH#32527
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dtype = np.int64
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if not ((numpy is None or orient == "index") or (numpy is True and orient is None)):
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if is_platform_windows():
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dtype = np.int32
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else:
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dtype = np.intp
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return dtype
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class TestUltraJSONTests:
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@pytest.mark.skipif(not IS64, reason="not compliant on 32-bit, xref #15865")
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def test_encode_decimal(self):
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sut = decimal.Decimal("1337.1337")
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encoded = ujson.encode(sut, double_precision=15)
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decoded = ujson.decode(encoded)
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assert decoded == 1337.1337
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sut = decimal.Decimal("0.95")
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encoded = ujson.encode(sut, double_precision=1)
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assert encoded == "1.0"
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decoded = ujson.decode(encoded)
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assert decoded == 1.0
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sut = decimal.Decimal("0.94")
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encoded = ujson.encode(sut, double_precision=1)
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assert encoded == "0.9"
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decoded = ujson.decode(encoded)
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assert decoded == 0.9
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sut = decimal.Decimal("1.95")
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encoded = ujson.encode(sut, double_precision=1)
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assert encoded == "2.0"
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decoded = ujson.decode(encoded)
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assert decoded == 2.0
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sut = decimal.Decimal("-1.95")
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encoded = ujson.encode(sut, double_precision=1)
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assert encoded == "-2.0"
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decoded = ujson.decode(encoded)
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assert decoded == -2.0
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sut = decimal.Decimal("0.995")
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encoded = ujson.encode(sut, double_precision=2)
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assert encoded == "1.0"
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decoded = ujson.decode(encoded)
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assert decoded == 1.0
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sut = decimal.Decimal("0.9995")
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encoded = ujson.encode(sut, double_precision=3)
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assert encoded == "1.0"
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decoded = ujson.decode(encoded)
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assert decoded == 1.0
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sut = decimal.Decimal("0.99999999999999944")
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encoded = ujson.encode(sut, double_precision=15)
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assert encoded == "1.0"
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decoded = ujson.decode(encoded)
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assert decoded == 1.0
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@pytest.mark.parametrize("ensure_ascii", [True, False])
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def test_encode_string_conversion(self, ensure_ascii):
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string_input = "A string \\ / \b \f \n \r \t </script> &"
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not_html_encoded = '"A string \\\\ \\/ \\b \\f \\n \\r \\t <\\/script> &"'
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html_encoded = (
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'"A string \\\\ \\/ \\b \\f \\n \\r \\t \\u003c\\/script\\u003e \\u0026"'
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)
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def helper(expected_output, **encode_kwargs):
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output = ujson.encode(
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string_input, ensure_ascii=ensure_ascii, **encode_kwargs
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)
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assert output == expected_output
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assert string_input == json.loads(output)
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assert string_input == ujson.decode(output)
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# Default behavior assumes encode_html_chars=False.
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helper(not_html_encoded)
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# Make sure explicit encode_html_chars=False works.
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helper(not_html_encoded, encode_html_chars=False)
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# Make sure explicit encode_html_chars=True does the encoding.
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helper(html_encoded, encode_html_chars=True)
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@pytest.mark.parametrize(
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"long_number", [-4342969734183514, -12345678901234.56789012, -528656961.4399388]
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)
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def test_double_long_numbers(self, long_number):
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sut = {"a": long_number}
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encoded = ujson.encode(sut, double_precision=15)
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decoded = ujson.decode(encoded)
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assert sut == decoded
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def test_encode_non_c_locale(self):
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lc_category = locale.LC_NUMERIC
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# We just need one of these locales to work.
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for new_locale in ("it_IT.UTF-8", "Italian_Italy"):
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if tm.can_set_locale(new_locale, lc_category):
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with tm.set_locale(new_locale, lc_category):
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assert ujson.loads(ujson.dumps(4.78e60)) == 4.78e60
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assert ujson.loads("4.78", precise_float=True) == 4.78
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break
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def test_decimal_decode_test_precise(self):
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sut = {"a": 4.56}
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encoded = ujson.encode(sut)
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decoded = ujson.decode(encoded, precise_float=True)
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assert sut == decoded
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def test_encode_double_tiny_exponential(self):
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num = 1e-40
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assert num == ujson.decode(ujson.encode(num))
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num = 1e-100
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assert num == ujson.decode(ujson.encode(num))
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num = -1e-45
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assert num == ujson.decode(ujson.encode(num))
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num = -1e-145
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assert np.allclose(num, ujson.decode(ujson.encode(num)))
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@pytest.mark.parametrize("unicode_key", ["key1", "بن"])
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def test_encode_dict_with_unicode_keys(self, unicode_key):
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unicode_dict = {unicode_key: "value1"}
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assert unicode_dict == ujson.decode(ujson.encode(unicode_dict))
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@pytest.mark.parametrize(
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"double_input", [math.pi, -math.pi] # Should work with negatives too.
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)
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def test_encode_double_conversion(self, double_input):
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output = ujson.encode(double_input)
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assert round(double_input, 5) == round(json.loads(output), 5)
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assert round(double_input, 5) == round(ujson.decode(output), 5)
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def test_encode_with_decimal(self):
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decimal_input = 1.0
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output = ujson.encode(decimal_input)
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assert output == "1.0"
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def test_encode_array_of_nested_arrays(self):
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nested_input = [[[[]]]] * 20
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output = ujson.encode(nested_input)
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assert nested_input == json.loads(output)
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assert nested_input == ujson.decode(output)
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nested_input = np.array(nested_input)
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tm.assert_numpy_array_equal(
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nested_input, ujson.decode(output, numpy=True, dtype=nested_input.dtype)
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)
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def test_encode_array_of_doubles(self):
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doubles_input = [31337.31337, 31337.31337, 31337.31337, 31337.31337] * 10
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output = ujson.encode(doubles_input)
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assert doubles_input == json.loads(output)
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assert doubles_input == ujson.decode(output)
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tm.assert_numpy_array_equal(
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np.array(doubles_input), ujson.decode(output, numpy=True)
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)
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def test_double_precision(self):
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double_input = 30.012345678901234
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output = ujson.encode(double_input, double_precision=15)
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assert double_input == json.loads(output)
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assert double_input == ujson.decode(output)
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for double_precision in (3, 9):
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output = ujson.encode(double_input, double_precision=double_precision)
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rounded_input = round(double_input, double_precision)
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assert rounded_input == json.loads(output)
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assert rounded_input == ujson.decode(output)
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@pytest.mark.parametrize(
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"invalid_val",
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[
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20,
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-1,
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pytest.param(
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"9",
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marks=pytest.mark.xfail(PY310, reason="Failing on Python 3.10 GH41940"),
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),
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pytest.param(
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None,
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marks=pytest.mark.xfail(PY310, reason="Failing on Python 3.10 GH41940"),
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),
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],
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)
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def test_invalid_double_precision(self, invalid_val):
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double_input = 30.12345678901234567890
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expected_exception = ValueError if isinstance(invalid_val, int) else TypeError
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msg = (
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r"Invalid value '.*' for option 'double_precision', max is '15'|"
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r"an integer is required \(got type "
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)
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with pytest.raises(expected_exception, match=msg):
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ujson.encode(double_input, double_precision=invalid_val)
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def test_encode_string_conversion2(self):
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string_input = "A string \\ / \b \f \n \r \t"
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output = ujson.encode(string_input)
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assert string_input == json.loads(output)
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assert string_input == ujson.decode(output)
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assert output == '"A string \\\\ \\/ \\b \\f \\n \\r \\t"'
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@pytest.mark.parametrize(
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"unicode_input",
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["Räksmörgås اسامة بن محمد بن عوض بن لادن", "\xe6\x97\xa5\xd1\x88"],
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)
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def test_encode_unicode_conversion(self, unicode_input):
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enc = ujson.encode(unicode_input)
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dec = ujson.decode(enc)
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assert enc == json.dumps(unicode_input)
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assert dec == json.loads(enc)
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def test_encode_control_escaping(self):
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escaped_input = "\x19"
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enc = ujson.encode(escaped_input)
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dec = ujson.decode(enc)
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assert escaped_input == dec
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assert enc == json.dumps(escaped_input)
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def test_encode_unicode_surrogate_pair(self):
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surrogate_input = "\xf0\x90\x8d\x86"
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enc = ujson.encode(surrogate_input)
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dec = ujson.decode(enc)
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assert enc == json.dumps(surrogate_input)
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assert dec == json.loads(enc)
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def test_encode_unicode_4bytes_utf8(self):
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four_bytes_input = "\xf0\x91\x80\xb0TRAILINGNORMAL"
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enc = ujson.encode(four_bytes_input)
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dec = ujson.decode(enc)
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assert enc == json.dumps(four_bytes_input)
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assert dec == json.loads(enc)
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def test_encode_unicode_4bytes_utf8highest(self):
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four_bytes_input = "\xf3\xbf\xbf\xbfTRAILINGNORMAL"
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enc = ujson.encode(four_bytes_input)
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dec = ujson.decode(enc)
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assert enc == json.dumps(four_bytes_input)
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assert dec == json.loads(enc)
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def test_encode_array_in_array(self):
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arr_in_arr_input = [[[[]]]]
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output = ujson.encode(arr_in_arr_input)
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assert arr_in_arr_input == json.loads(output)
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assert output == json.dumps(arr_in_arr_input)
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assert arr_in_arr_input == ujson.decode(output)
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tm.assert_numpy_array_equal(
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np.array(arr_in_arr_input), ujson.decode(output, numpy=True)
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)
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@pytest.mark.parametrize(
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"num_input",
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[
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31337,
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-31337, # Negative number.
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-9223372036854775808, # Large negative number.
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],
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)
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def test_encode_num_conversion(self, num_input):
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output = ujson.encode(num_input)
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assert num_input == json.loads(output)
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assert output == json.dumps(num_input)
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assert num_input == ujson.decode(output)
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def test_encode_list_conversion(self):
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list_input = [1, 2, 3, 4]
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output = ujson.encode(list_input)
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assert list_input == json.loads(output)
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assert list_input == ujson.decode(output)
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tm.assert_numpy_array_equal(
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np.array(list_input), ujson.decode(output, numpy=True)
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)
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def test_encode_dict_conversion(self):
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dict_input = {"k1": 1, "k2": 2, "k3": 3, "k4": 4}
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output = ujson.encode(dict_input)
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assert dict_input == json.loads(output)
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assert dict_input == ujson.decode(output)
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@pytest.mark.parametrize("builtin_value", [None, True, False])
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def test_encode_builtin_values_conversion(self, builtin_value):
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output = ujson.encode(builtin_value)
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assert builtin_value == json.loads(output)
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assert output == json.dumps(builtin_value)
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assert builtin_value == ujson.decode(output)
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def test_encode_datetime_conversion(self):
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datetime_input = datetime.datetime.fromtimestamp(time.time())
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output = ujson.encode(datetime_input, date_unit="s")
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expected = calendar.timegm(datetime_input.utctimetuple())
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assert int(expected) == json.loads(output)
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assert int(expected) == ujson.decode(output)
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def test_encode_date_conversion(self):
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date_input = datetime.date.fromtimestamp(time.time())
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output = ujson.encode(date_input, date_unit="s")
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tup = (date_input.year, date_input.month, date_input.day, 0, 0, 0)
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expected = calendar.timegm(tup)
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assert int(expected) == json.loads(output)
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assert int(expected) == ujson.decode(output)
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@pytest.mark.parametrize(
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"test",
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[datetime.time(), datetime.time(1, 2, 3), datetime.time(10, 12, 15, 343243)],
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)
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def test_encode_time_conversion_basic(self, test):
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output = ujson.encode(test)
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expected = f'"{test.isoformat()}"'
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assert expected == output
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def test_encode_time_conversion_pytz(self):
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# see gh-11473: to_json segfaults with timezone-aware datetimes
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test = datetime.time(10, 12, 15, 343243, pytz.utc)
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output = ujson.encode(test)
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expected = f'"{test.isoformat()}"'
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assert expected == output
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|
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def test_encode_time_conversion_dateutil(self):
|
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# see gh-11473: to_json segfaults with timezone-aware datetimes
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test = datetime.time(10, 12, 15, 343243, dateutil.tz.tzutc())
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output = ujson.encode(test)
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expected = f'"{test.isoformat()}"'
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assert expected == output
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|
|
@pytest.mark.parametrize(
|
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"decoded_input", [NaT, np.datetime64("NaT"), np.nan, np.inf, -np.inf]
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)
|
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def test_encode_as_null(self, decoded_input):
|
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assert ujson.encode(decoded_input) == "null", "Expected null"
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|
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def test_datetime_units(self):
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val = datetime.datetime(2013, 8, 17, 21, 17, 12, 215504)
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stamp = Timestamp(val)
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roundtrip = ujson.decode(ujson.encode(val, date_unit="s"))
|
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assert roundtrip == stamp.value // 10**9
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roundtrip = ujson.decode(ujson.encode(val, date_unit="ms"))
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assert roundtrip == stamp.value // 10**6
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roundtrip = ujson.decode(ujson.encode(val, date_unit="us"))
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assert roundtrip == stamp.value // 10**3
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|
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roundtrip = ujson.decode(ujson.encode(val, date_unit="ns"))
|
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assert roundtrip == stamp.value
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|
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msg = "Invalid value 'foo' for option 'date_unit'"
|
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with pytest.raises(ValueError, match=msg):
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ujson.encode(val, date_unit="foo")
|
|
|
|
def test_encode_to_utf8(self):
|
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unencoded = "\xe6\x97\xa5\xd1\x88"
|
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|
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enc = ujson.encode(unencoded, ensure_ascii=False)
|
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dec = ujson.decode(enc)
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|
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assert enc == json.dumps(unencoded, ensure_ascii=False)
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assert dec == json.loads(enc)
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|
|
def test_decode_from_unicode(self):
|
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unicode_input = '{"obj": 31337}'
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dec1 = ujson.decode(unicode_input)
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dec2 = ujson.decode(str(unicode_input))
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assert dec1 == dec2
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|
|
def test_encode_recursion_max(self):
|
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# 8 is the max recursion depth
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class O2:
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member = 0
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pass
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class O1:
|
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member = 0
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pass
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decoded_input = O1()
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decoded_input.member = O2()
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decoded_input.member.member = decoded_input
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|
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with pytest.raises(OverflowError, match="Maximum recursion level reached"):
|
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ujson.encode(decoded_input)
|
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|
|
def test_decode_jibberish(self):
|
|
jibberish = "fdsa sda v9sa fdsa"
|
|
msg = "Unexpected character found when decoding 'false'"
|
|
with pytest.raises(ValueError, match=msg):
|
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ujson.decode(jibberish)
|
|
|
|
@pytest.mark.parametrize(
|
|
"broken_json",
|
|
[
|
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"[", # Broken array start.
|
|
"{", # Broken object start.
|
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"]", # Broken array end.
|
|
"}", # Broken object end.
|
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],
|
|
)
|
|
def test_decode_broken_json(self, broken_json):
|
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msg = "Expected object or value"
|
|
with pytest.raises(ValueError, match=msg):
|
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ujson.decode(broken_json)
|
|
|
|
@pytest.mark.parametrize("too_big_char", ["[", "{"])
|
|
def test_decode_depth_too_big(self, too_big_char):
|
|
with pytest.raises(ValueError, match="Reached object decoding depth limit"):
|
|
ujson.decode(too_big_char * (1024 * 1024))
|
|
|
|
@pytest.mark.parametrize(
|
|
"bad_string",
|
|
[
|
|
'"TESTING', # Unterminated.
|
|
'"TESTING\\"', # Unterminated escape.
|
|
"tru", # Broken True.
|
|
"fa", # Broken False.
|
|
"n", # Broken None.
|
|
],
|
|
)
|
|
def test_decode_bad_string(self, bad_string):
|
|
msg = (
|
|
"Unexpected character found when decoding|"
|
|
"Unmatched ''\"' when when decoding 'string'"
|
|
)
|
|
with pytest.raises(ValueError, match=msg):
|
|
ujson.decode(bad_string)
|
|
|
|
@pytest.mark.parametrize(
|
|
"broken_json, err_msg",
|
|
[
|
|
(
|
|
'{{1337:""}}',
|
|
"Key name of object must be 'string' when decoding 'object'",
|
|
),
|
|
('{{"key":"}', "Unmatched ''\"' when when decoding 'string'"),
|
|
("[[[true", "Unexpected character found when decoding array value (2)"),
|
|
],
|
|
)
|
|
def test_decode_broken_json_leak(self, broken_json, err_msg):
|
|
for _ in range(1000):
|
|
with pytest.raises(ValueError, match=re.escape(err_msg)):
|
|
ujson.decode(broken_json)
|
|
|
|
@pytest.mark.parametrize(
|
|
"invalid_dict",
|
|
[
|
|
"{{{{31337}}}}", # No key.
|
|
'{{{{"key":}}}}', # No value.
|
|
'{{{{"key"}}}}', # No colon or value.
|
|
],
|
|
)
|
|
def test_decode_invalid_dict(self, invalid_dict):
|
|
msg = (
|
|
"Key name of object must be 'string' when decoding 'object'|"
|
|
"No ':' found when decoding object value|"
|
|
"Expected object or value"
|
|
)
|
|
with pytest.raises(ValueError, match=msg):
|
|
ujson.decode(invalid_dict)
|
|
|
|
@pytest.mark.parametrize(
|
|
"numeric_int_as_str", ["31337", "-31337"] # Should work with negatives.
|
|
)
|
|
def test_decode_numeric_int(self, numeric_int_as_str):
|
|
assert int(numeric_int_as_str) == ujson.decode(numeric_int_as_str)
|
|
|
|
def test_encode_null_character(self):
|
|
wrapped_input = "31337 \x00 1337"
|
|
output = ujson.encode(wrapped_input)
|
|
|
|
assert wrapped_input == json.loads(output)
|
|
assert output == json.dumps(wrapped_input)
|
|
assert wrapped_input == ujson.decode(output)
|
|
|
|
alone_input = "\x00"
|
|
output = ujson.encode(alone_input)
|
|
|
|
assert alone_input == json.loads(output)
|
|
assert output == json.dumps(alone_input)
|
|
assert alone_input == ujson.decode(output)
|
|
assert '" \\u0000\\r\\n "' == ujson.dumps(" \u0000\r\n ")
|
|
|
|
def test_decode_null_character(self):
|
|
wrapped_input = '"31337 \\u0000 31337"'
|
|
assert ujson.decode(wrapped_input) == json.loads(wrapped_input)
|
|
|
|
def test_encode_list_long_conversion(self):
|
|
long_input = [
|
|
9223372036854775807,
|
|
9223372036854775807,
|
|
9223372036854775807,
|
|
9223372036854775807,
|
|
9223372036854775807,
|
|
9223372036854775807,
|
|
]
|
|
output = ujson.encode(long_input)
|
|
|
|
assert long_input == json.loads(output)
|
|
assert long_input == ujson.decode(output)
|
|
|
|
tm.assert_numpy_array_equal(
|
|
np.array(long_input), ujson.decode(output, numpy=True, dtype=np.int64)
|
|
)
|
|
|
|
@pytest.mark.parametrize("long_input", [9223372036854775807, 18446744073709551615])
|
|
def test_encode_long_conversion(self, long_input):
|
|
output = ujson.encode(long_input)
|
|
|
|
assert long_input == json.loads(output)
|
|
assert output == json.dumps(long_input)
|
|
assert long_input == ujson.decode(output)
|
|
|
|
@pytest.mark.parametrize("bigNum", [2**64, -(2**63) - 1])
|
|
def test_dumps_ints_larger_than_maxsize(self, bigNum):
|
|
encoding = ujson.encode(bigNum)
|
|
assert str(bigNum) == encoding
|
|
|
|
with pytest.raises(
|
|
ValueError,
|
|
match="Value is too big|Value is too small",
|
|
):
|
|
assert ujson.loads(encoding) == bigNum
|
|
|
|
@pytest.mark.parametrize(
|
|
"int_exp", ["1337E40", "1.337E40", "1337E+9", "1.337e+40", "1.337E-4"]
|
|
)
|
|
def test_decode_numeric_int_exp(self, int_exp):
|
|
assert ujson.decode(int_exp) == json.loads(int_exp)
|
|
|
|
def test_loads_non_str_bytes_raises(self):
|
|
msg = "Expected 'str' or 'bytes'"
|
|
with pytest.raises(TypeError, match=msg):
|
|
ujson.loads(None)
|
|
|
|
@pytest.mark.parametrize("val", [3590016419, 2**31, 2**32, (2**32) - 1])
|
|
def test_decode_number_with_32bit_sign_bit(self, val):
|
|
# Test that numbers that fit within 32 bits but would have the
|
|
# sign bit set (2**31 <= x < 2**32) are decoded properly.
|
|
doc = f'{{"id": {val}}}'
|
|
assert ujson.decode(doc)["id"] == val
|
|
|
|
def test_encode_big_escape(self):
|
|
# Make sure no Exception is raised.
|
|
for _ in range(10):
|
|
base = "\u00e5".encode()
|
|
escape_input = base * 1024 * 1024 * 2
|
|
ujson.encode(escape_input)
|
|
|
|
def test_decode_big_escape(self):
|
|
# Make sure no Exception is raised.
|
|
for _ in range(10):
|
|
base = "\u00e5".encode()
|
|
quote = b'"'
|
|
|
|
escape_input = quote + (base * 1024 * 1024 * 2) + quote
|
|
ujson.decode(escape_input)
|
|
|
|
def test_to_dict(self):
|
|
d = {"key": 31337}
|
|
|
|
class DictTest:
|
|
def toDict(self):
|
|
return d
|
|
|
|
o = DictTest()
|
|
output = ujson.encode(o)
|
|
|
|
dec = ujson.decode(output)
|
|
assert dec == d
|
|
|
|
def test_default_handler(self):
|
|
class _TestObject:
|
|
def __init__(self, val):
|
|
self.val = val
|
|
|
|
@property
|
|
def recursive_attr(self):
|
|
return _TestObject("recursive_attr")
|
|
|
|
def __str__(self) -> str:
|
|
return str(self.val)
|
|
|
|
msg = "Maximum recursion level reached"
|
|
with pytest.raises(OverflowError, match=msg):
|
|
ujson.encode(_TestObject("foo"))
|
|
assert '"foo"' == ujson.encode(_TestObject("foo"), default_handler=str)
|
|
|
|
def my_handler(_):
|
|
return "foobar"
|
|
|
|
assert '"foobar"' == ujson.encode(
|
|
_TestObject("foo"), default_handler=my_handler
|
|
)
|
|
|
|
def my_handler_raises(_):
|
|
raise TypeError("I raise for anything")
|
|
|
|
with pytest.raises(TypeError, match="I raise for anything"):
|
|
ujson.encode(_TestObject("foo"), default_handler=my_handler_raises)
|
|
|
|
def my_int_handler(_):
|
|
return 42
|
|
|
|
assert (
|
|
ujson.decode(
|
|
ujson.encode(_TestObject("foo"), default_handler=my_int_handler)
|
|
)
|
|
== 42
|
|
)
|
|
|
|
def my_obj_handler(_):
|
|
return datetime.datetime(2013, 2, 3)
|
|
|
|
assert ujson.decode(
|
|
ujson.encode(datetime.datetime(2013, 2, 3))
|
|
) == ujson.decode(
|
|
ujson.encode(_TestObject("foo"), default_handler=my_obj_handler)
|
|
)
|
|
|
|
obj_list = [_TestObject("foo"), _TestObject("bar")]
|
|
assert json.loads(json.dumps(obj_list, default=str)) == ujson.decode(
|
|
ujson.encode(obj_list, default_handler=str)
|
|
)
|
|
|
|
def test_encode_object(self):
|
|
class _TestObject:
|
|
def __init__(self, a, b, _c, d):
|
|
self.a = a
|
|
self.b = b
|
|
self._c = _c
|
|
self.d = d
|
|
|
|
def e(self):
|
|
return 5
|
|
|
|
# JSON keys should be all non-callable non-underscore attributes, see GH-42768
|
|
test_object = _TestObject(a=1, b=2, _c=3, d=4)
|
|
assert ujson.decode(ujson.encode(test_object)) == {"a": 1, "b": 2, "d": 4}
|
|
|
|
|
|
class TestNumpyJSONTests:
|
|
@pytest.mark.parametrize("bool_input", [True, False])
|
|
def test_bool(self, bool_input):
|
|
b = bool(bool_input)
|
|
assert ujson.decode(ujson.encode(b)) == b
|
|
|
|
def test_bool_array(self):
|
|
bool_array = np.array(
|
|
[True, False, True, True, False, True, False, False], dtype=bool
|
|
)
|
|
output = np.array(ujson.decode(ujson.encode(bool_array)), dtype=bool)
|
|
tm.assert_numpy_array_equal(bool_array, output)
|
|
|
|
def test_int(self, any_int_numpy_dtype):
|
|
klass = np.dtype(any_int_numpy_dtype).type
|
|
num = klass(1)
|
|
|
|
assert klass(ujson.decode(ujson.encode(num))) == num
|
|
|
|
def test_int_array(self, any_int_numpy_dtype):
|
|
arr = np.arange(100, dtype=int)
|
|
arr_input = arr.astype(any_int_numpy_dtype)
|
|
|
|
arr_output = np.array(
|
|
ujson.decode(ujson.encode(arr_input)), dtype=any_int_numpy_dtype
|
|
)
|
|
tm.assert_numpy_array_equal(arr_input, arr_output)
|
|
|
|
def test_int_max(self, any_int_numpy_dtype):
|
|
if any_int_numpy_dtype in ("int64", "uint64") and not IS64:
|
|
pytest.skip("Cannot test 64-bit integer on 32-bit platform")
|
|
|
|
klass = np.dtype(any_int_numpy_dtype).type
|
|
|
|
# uint64 max will always overflow,
|
|
# as it's encoded to signed.
|
|
if any_int_numpy_dtype == "uint64":
|
|
num = np.iinfo("int64").max
|
|
else:
|
|
num = np.iinfo(any_int_numpy_dtype).max
|
|
|
|
assert klass(ujson.decode(ujson.encode(num))) == num
|
|
|
|
def test_float(self, float_numpy_dtype):
|
|
klass = np.dtype(float_numpy_dtype).type
|
|
num = klass(256.2013)
|
|
|
|
assert klass(ujson.decode(ujson.encode(num))) == num
|
|
|
|
def test_float_array(self, float_numpy_dtype):
|
|
arr = np.arange(12.5, 185.72, 1.7322, dtype=float)
|
|
float_input = arr.astype(float_numpy_dtype)
|
|
|
|
float_output = np.array(
|
|
ujson.decode(ujson.encode(float_input, double_precision=15)),
|
|
dtype=float_numpy_dtype,
|
|
)
|
|
tm.assert_almost_equal(float_input, float_output)
|
|
|
|
def test_float_max(self, float_numpy_dtype):
|
|
klass = np.dtype(float_numpy_dtype).type
|
|
num = klass(np.finfo(float_numpy_dtype).max / 10)
|
|
|
|
tm.assert_almost_equal(
|
|
klass(ujson.decode(ujson.encode(num, double_precision=15))), num
|
|
)
|
|
|
|
def test_array_basic(self):
|
|
arr = np.arange(96)
|
|
arr = arr.reshape((2, 2, 2, 2, 3, 2))
|
|
|
|
tm.assert_numpy_array_equal(np.array(ujson.decode(ujson.encode(arr))), arr)
|
|
tm.assert_numpy_array_equal(ujson.decode(ujson.encode(arr), numpy=True), arr)
|
|
|
|
@pytest.mark.parametrize("shape", [(10, 10), (5, 5, 4), (100, 1)])
|
|
def test_array_reshaped(self, shape):
|
|
arr = np.arange(100)
|
|
arr = arr.reshape(shape)
|
|
|
|
tm.assert_numpy_array_equal(np.array(ujson.decode(ujson.encode(arr))), arr)
|
|
tm.assert_numpy_array_equal(ujson.decode(ujson.encode(arr), numpy=True), arr)
|
|
|
|
def test_array_list(self):
|
|
arr_list = [
|
|
"a",
|
|
[],
|
|
{},
|
|
{},
|
|
[],
|
|
42,
|
|
97.8,
|
|
["a", "b"],
|
|
{"key": "val"},
|
|
]
|
|
arr = np.array(arr_list, dtype=object)
|
|
result = np.array(ujson.decode(ujson.encode(arr)), dtype=object)
|
|
tm.assert_numpy_array_equal(result, arr)
|
|
|
|
def test_array_float(self):
|
|
dtype = np.float32
|
|
|
|
arr = np.arange(100.202, 200.202, 1, dtype=dtype)
|
|
arr = arr.reshape((5, 5, 4))
|
|
|
|
arr_out = np.array(ujson.decode(ujson.encode(arr)), dtype=dtype)
|
|
tm.assert_almost_equal(arr, arr_out)
|
|
|
|
arr_out = ujson.decode(ujson.encode(arr), numpy=True, dtype=dtype)
|
|
tm.assert_almost_equal(arr, arr_out)
|
|
|
|
def test_0d_array(self):
|
|
# gh-18878
|
|
msg = re.escape("array(1) (0d array) is not JSON serializable at the moment")
|
|
with pytest.raises(TypeError, match=msg):
|
|
ujson.encode(np.array(1))
|
|
|
|
@pytest.mark.parametrize(
|
|
"bad_input,exc_type,err_msg,kwargs",
|
|
[
|
|
(
|
|
[{}, []],
|
|
ValueError,
|
|
r"nesting not supported for object or variable length dtypes",
|
|
{},
|
|
),
|
|
(
|
|
[42, None],
|
|
TypeError,
|
|
r"int\(\) argument must be a string, a bytes-like object or a( real)? "
|
|
r"number, not 'NoneType'",
|
|
{},
|
|
),
|
|
(
|
|
[["a"], 42],
|
|
ValueError,
|
|
r"Cannot decode multidimensional arrays with variable length elements "
|
|
r"to numpy",
|
|
{},
|
|
),
|
|
(
|
|
[42, {}, "a"],
|
|
TypeError,
|
|
r"int\(\) argument must be a string, a bytes-like object or a( real)? "
|
|
r"number, not 'dict'",
|
|
{},
|
|
),
|
|
(
|
|
[42, ["a"], 42],
|
|
ValueError,
|
|
r"invalid literal for int\(\) with base 10: 'a'",
|
|
{},
|
|
),
|
|
(
|
|
["a", "b", [], "c"],
|
|
ValueError,
|
|
r"nesting not supported for object or variable length dtypes",
|
|
{},
|
|
),
|
|
(
|
|
[{"a": "b"}],
|
|
ValueError,
|
|
r"Cannot decode multidimensional arrays with variable length elements "
|
|
r"to numpy",
|
|
{"labelled": True},
|
|
),
|
|
(
|
|
{"a": {"b": {"c": 42}}},
|
|
ValueError,
|
|
r"labels only supported up to 2 dimensions",
|
|
{"labelled": True},
|
|
),
|
|
(
|
|
[{"a": 42, "b": 23}, {"c": 17}],
|
|
ValueError,
|
|
r"cannot reshape array of size 3 into shape \(2,1\)",
|
|
{"labelled": True},
|
|
),
|
|
],
|
|
)
|
|
def test_array_numpy_except(self, bad_input, exc_type, err_msg, kwargs):
|
|
with pytest.raises(exc_type, match=err_msg):
|
|
ujson.decode(ujson.dumps(bad_input), numpy=True, **kwargs)
|
|
|
|
def test_array_numpy_labelled(self):
|
|
labelled_input = {"a": []}
|
|
output = ujson.loads(ujson.dumps(labelled_input), numpy=True, labelled=True)
|
|
assert (np.empty((1, 0)) == output[0]).all()
|
|
assert (np.array(["a"]) == output[1]).all()
|
|
assert output[2] is None
|
|
|
|
labelled_input = [{"a": 42}]
|
|
output = ujson.loads(ujson.dumps(labelled_input), numpy=True, labelled=True)
|
|
assert (np.array(["a"]) == output[2]).all()
|
|
assert (np.array([42]) == output[0]).all()
|
|
assert output[1] is None
|
|
|
|
# see gh-10837: write out the dump explicitly
|
|
# so there is no dependency on iteration order
|
|
input_dumps = '[{"a": 42, "b":31}, {"a": 24, "c": 99}, {"a": 2.4, "b": 78}]'
|
|
output = ujson.loads(input_dumps, numpy=True, labelled=True)
|
|
expected_vals = np.array([42, 31, 24, 99, 2.4, 78], dtype=int).reshape((3, 2))
|
|
assert (expected_vals == output[0]).all()
|
|
assert output[1] is None
|
|
assert (np.array(["a", "b"]) == output[2]).all()
|
|
|
|
input_dumps = (
|
|
'{"1": {"a": 42, "b":31}, "2": {"a": 24, "c": 99}, '
|
|
'"3": {"a": 2.4, "b": 78}}'
|
|
)
|
|
output = ujson.loads(input_dumps, numpy=True, labelled=True)
|
|
expected_vals = np.array([42, 31, 24, 99, 2.4, 78], dtype=int).reshape((3, 2))
|
|
assert (expected_vals == output[0]).all()
|
|
assert (np.array(["1", "2", "3"]) == output[1]).all()
|
|
assert (np.array(["a", "b"]) == output[2]).all()
|
|
|
|
|
|
class TestPandasJSONTests:
|
|
def test_dataframe(self, orient, numpy):
|
|
if orient == "records" and numpy:
|
|
pytest.skip("Not idiomatic pandas")
|
|
|
|
dtype = get_int32_compat_dtype(numpy, orient)
|
|
|
|
df = DataFrame(
|
|
[[1, 2, 3], [4, 5, 6]],
|
|
index=["a", "b"],
|
|
columns=["x", "y", "z"],
|
|
dtype=dtype,
|
|
)
|
|
encode_kwargs = {} if orient is None else {"orient": orient}
|
|
decode_kwargs = {} if numpy is None else {"numpy": numpy}
|
|
assert (df.dtypes == dtype).all()
|
|
|
|
output = ujson.decode(ujson.encode(df, **encode_kwargs), **decode_kwargs)
|
|
assert (df.dtypes == dtype).all()
|
|
|
|
# Ensure proper DataFrame initialization.
|
|
if orient == "split":
|
|
dec = _clean_dict(output)
|
|
output = DataFrame(**dec)
|
|
else:
|
|
output = DataFrame(output)
|
|
|
|
# Corrections to enable DataFrame comparison.
|
|
if orient == "values":
|
|
df.columns = [0, 1, 2]
|
|
df.index = [0, 1]
|
|
elif orient == "records":
|
|
df.index = [0, 1]
|
|
elif orient == "index":
|
|
df = df.transpose()
|
|
|
|
assert (df.dtypes == dtype).all()
|
|
tm.assert_frame_equal(output, df)
|
|
|
|
def test_dataframe_nested(self, orient):
|
|
df = DataFrame(
|
|
[[1, 2, 3], [4, 5, 6]], index=["a", "b"], columns=["x", "y", "z"]
|
|
)
|
|
|
|
nested = {"df1": df, "df2": df.copy()}
|
|
kwargs = {} if orient is None else {"orient": orient}
|
|
|
|
exp = {
|
|
"df1": ujson.decode(ujson.encode(df, **kwargs)),
|
|
"df2": ujson.decode(ujson.encode(df, **kwargs)),
|
|
}
|
|
assert ujson.decode(ujson.encode(nested, **kwargs)) == exp
|
|
|
|
def test_dataframe_numpy_labelled(self, orient):
|
|
if orient in ("split", "values"):
|
|
pytest.skip("Incompatible with labelled=True")
|
|
|
|
df = DataFrame(
|
|
[[1, 2, 3], [4, 5, 6]],
|
|
index=["a", "b"],
|
|
columns=["x", "y", "z"],
|
|
dtype=int,
|
|
)
|
|
kwargs = {} if orient is None else {"orient": orient}
|
|
|
|
output = DataFrame(
|
|
*ujson.decode(ujson.encode(df, **kwargs), numpy=True, labelled=True)
|
|
)
|
|
|
|
if orient is None:
|
|
df = df.T
|
|
elif orient == "records":
|
|
df.index = [0, 1]
|
|
|
|
tm.assert_frame_equal(output, df)
|
|
|
|
def test_series(self, orient, numpy):
|
|
dtype = get_int32_compat_dtype(numpy, orient)
|
|
s = Series(
|
|
[10, 20, 30, 40, 50, 60],
|
|
name="series",
|
|
index=[6, 7, 8, 9, 10, 15],
|
|
dtype=dtype,
|
|
).sort_values()
|
|
assert s.dtype == dtype
|
|
|
|
encode_kwargs = {} if orient is None else {"orient": orient}
|
|
decode_kwargs = {} if numpy is None else {"numpy": numpy}
|
|
|
|
output = ujson.decode(ujson.encode(s, **encode_kwargs), **decode_kwargs)
|
|
assert s.dtype == dtype
|
|
|
|
if orient == "split":
|
|
dec = _clean_dict(output)
|
|
output = Series(**dec)
|
|
else:
|
|
output = Series(output)
|
|
|
|
if orient in (None, "index"):
|
|
s.name = None
|
|
output = output.sort_values()
|
|
s.index = ["6", "7", "8", "9", "10", "15"]
|
|
elif orient in ("records", "values"):
|
|
s.name = None
|
|
s.index = [0, 1, 2, 3, 4, 5]
|
|
|
|
assert s.dtype == dtype
|
|
tm.assert_series_equal(output, s)
|
|
|
|
def test_series_nested(self, orient):
|
|
s = Series(
|
|
[10, 20, 30, 40, 50, 60], name="series", index=[6, 7, 8, 9, 10, 15]
|
|
).sort_values()
|
|
nested = {"s1": s, "s2": s.copy()}
|
|
kwargs = {} if orient is None else {"orient": orient}
|
|
|
|
exp = {
|
|
"s1": ujson.decode(ujson.encode(s, **kwargs)),
|
|
"s2": ujson.decode(ujson.encode(s, **kwargs)),
|
|
}
|
|
assert ujson.decode(ujson.encode(nested, **kwargs)) == exp
|
|
|
|
def test_index(self):
|
|
i = Index([23, 45, 18, 98, 43, 11], name="index")
|
|
|
|
# Column indexed.
|
|
output = Index(ujson.decode(ujson.encode(i)), name="index")
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(ujson.decode(ujson.encode(i), numpy=True), name="index")
|
|
tm.assert_index_equal(i, output)
|
|
|
|
dec = _clean_dict(ujson.decode(ujson.encode(i, orient="split")))
|
|
output = Index(**dec)
|
|
|
|
tm.assert_index_equal(i, output)
|
|
assert i.name == output.name
|
|
|
|
dec = _clean_dict(ujson.decode(ujson.encode(i, orient="split"), numpy=True))
|
|
output = Index(**dec)
|
|
|
|
tm.assert_index_equal(i, output)
|
|
assert i.name == output.name
|
|
|
|
output = Index(ujson.decode(ujson.encode(i, orient="values")), name="index")
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(
|
|
ujson.decode(ujson.encode(i, orient="values"), numpy=True), name="index"
|
|
)
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(ujson.decode(ujson.encode(i, orient="records")), name="index")
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(
|
|
ujson.decode(ujson.encode(i, orient="records"), numpy=True), name="index"
|
|
)
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(ujson.decode(ujson.encode(i, orient="index")), name="index")
|
|
tm.assert_index_equal(i, output)
|
|
|
|
output = Index(
|
|
ujson.decode(ujson.encode(i, orient="index"), numpy=True), name="index"
|
|
)
|
|
tm.assert_index_equal(i, output)
|
|
|
|
def test_datetime_index(self):
|
|
date_unit = "ns"
|
|
|
|
# freq doesn't round-trip
|
|
rng = DatetimeIndex(list(date_range("1/1/2000", periods=20)), freq=None)
|
|
encoded = ujson.encode(rng, date_unit=date_unit)
|
|
|
|
decoded = DatetimeIndex(np.array(ujson.decode(encoded)))
|
|
tm.assert_index_equal(rng, decoded)
|
|
|
|
ts = Series(np.random.randn(len(rng)), index=rng)
|
|
decoded = Series(ujson.decode(ujson.encode(ts, date_unit=date_unit)))
|
|
|
|
idx_values = decoded.index.values.astype(np.int64)
|
|
decoded.index = DatetimeIndex(idx_values)
|
|
tm.assert_series_equal(ts, decoded)
|
|
|
|
@pytest.mark.parametrize(
|
|
"invalid_arr",
|
|
[
|
|
"[31337,]", # Trailing comma.
|
|
"[,31337]", # Leading comma.
|
|
"[]]", # Unmatched bracket.
|
|
"[,]", # Only comma.
|
|
],
|
|
)
|
|
def test_decode_invalid_array(self, invalid_arr):
|
|
msg = (
|
|
"Expected object or value|Trailing data|"
|
|
"Unexpected character found when decoding array value"
|
|
)
|
|
with pytest.raises(ValueError, match=msg):
|
|
ujson.decode(invalid_arr)
|
|
|
|
@pytest.mark.parametrize("arr", [[], [31337]])
|
|
def test_decode_array(self, arr):
|
|
assert arr == ujson.decode(str(arr))
|
|
|
|
@pytest.mark.parametrize("extreme_num", [9223372036854775807, -9223372036854775808])
|
|
def test_decode_extreme_numbers(self, extreme_num):
|
|
assert extreme_num == ujson.decode(str(extreme_num))
|
|
|
|
@pytest.mark.parametrize("too_extreme_num", [f"{2**64}", f"{-2**63-1}"])
|
|
def test_decode_too_extreme_numbers(self, too_extreme_num):
|
|
with pytest.raises(
|
|
ValueError,
|
|
match="Value is too big|Value is too small",
|
|
):
|
|
ujson.decode(too_extreme_num)
|
|
|
|
def test_decode_with_trailing_whitespaces(self):
|
|
assert {} == ujson.decode("{}\n\t ")
|
|
|
|
def test_decode_with_trailing_non_whitespaces(self):
|
|
with pytest.raises(ValueError, match="Trailing data"):
|
|
ujson.decode("{}\n\t a")
|
|
|
|
@pytest.mark.parametrize("value", [f"{2**64}", f"{-2**63-1}"])
|
|
def test_decode_array_with_big_int(self, value):
|
|
with pytest.raises(
|
|
ValueError,
|
|
match="Value is too big|Value is too small",
|
|
):
|
|
ujson.loads(value)
|
|
|
|
@pytest.mark.parametrize(
|
|
"float_number",
|
|
[
|
|
1.1234567893,
|
|
1.234567893,
|
|
1.34567893,
|
|
1.4567893,
|
|
1.567893,
|
|
1.67893,
|
|
1.7893,
|
|
1.893,
|
|
1.3,
|
|
],
|
|
)
|
|
@pytest.mark.parametrize("sign", [-1, 1])
|
|
def test_decode_floating_point(self, sign, float_number):
|
|
float_number *= sign
|
|
tm.assert_almost_equal(float_number, ujson.loads(str(float_number)), rtol=1e-15)
|
|
|
|
def test_encode_big_set(self):
|
|
s = set()
|
|
|
|
for x in range(0, 100000):
|
|
s.add(x)
|
|
|
|
# Make sure no Exception is raised.
|
|
ujson.encode(s)
|
|
|
|
def test_encode_empty_set(self):
|
|
assert "[]" == ujson.encode(set())
|
|
|
|
def test_encode_set(self):
|
|
s = {1, 2, 3, 4, 5, 6, 7, 8, 9}
|
|
enc = ujson.encode(s)
|
|
dec = ujson.decode(enc)
|
|
|
|
for v in dec:
|
|
assert v in s
|
|
|
|
@pytest.mark.parametrize(
|
|
"td",
|
|
[
|
|
Timedelta(days=366),
|
|
Timedelta(days=-1),
|
|
Timedelta(hours=13, minutes=5, seconds=5),
|
|
Timedelta(hours=13, minutes=20, seconds=30),
|
|
Timedelta(days=-1, nanoseconds=5),
|
|
Timedelta(nanoseconds=1),
|
|
Timedelta(microseconds=1, nanoseconds=1),
|
|
Timedelta(milliseconds=1, microseconds=1, nanoseconds=1),
|
|
Timedelta(milliseconds=999, microseconds=999, nanoseconds=999),
|
|
],
|
|
)
|
|
def test_encode_timedelta_iso(self, td):
|
|
# GH 28256
|
|
result = ujson.encode(td, iso_dates=True)
|
|
expected = f'"{td.isoformat()}"'
|
|
|
|
assert result == expected
|
|
|
|
def test_encode_periodindex(self):
|
|
# GH 46683
|
|
p = PeriodIndex(["2022-04-06", "2022-04-07"], freq="D")
|
|
df = DataFrame(index=p)
|
|
assert df.to_json() == "{}"
|