mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-11 03:10:38 -04:00
ccadbec825
SQLite datetime, date, and time datatypes now use Python standard lib ``fromisoformat()`` methods in order to parse incoming datetime, date, and time string values. This improves performance vs. the previous regular expression-based approach, and also automatically accommodates for datetime and time formats that contain either a six-digit "microseconds" format or a three-digit "milliseconds" format. Fixes: #7029 Change-Id: I67aab4fe5ee3055e5996050cf4564981413cc221
297 lines
9.2 KiB
Python
297 lines
9.2 KiB
Python
import datetime
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import re
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from types import MappingProxyType
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from sqlalchemy import exc
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from sqlalchemy.engine import processors
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from sqlalchemy.testing import assert_raises_message
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from sqlalchemy.testing import eq_
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from sqlalchemy.testing import expect_raises_message
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from sqlalchemy.testing import fixtures
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from sqlalchemy.util import immutabledict
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class _BooleanProcessorTest(fixtures.TestBase):
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def test_int_to_bool_none(self):
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eq_(self.module.int_to_boolean(None), None)
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def test_int_to_bool_zero(self):
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eq_(self.module.int_to_boolean(0), False)
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def test_int_to_bool_one(self):
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eq_(self.module.int_to_boolean(1), True)
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def test_int_to_bool_positive_int(self):
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eq_(self.module.int_to_boolean(12), True)
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def test_int_to_bool_negative_int(self):
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eq_(self.module.int_to_boolean(-4), True)
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class CyBooleanProcessorTest(_BooleanProcessorTest):
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__requires__ = ("cextensions",)
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@classmethod
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def setup_test_class(cls):
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from sqlalchemy.cyextension import processors
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cls.module = processors
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class _DateProcessorTest(fixtures.TestBase):
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def test_iso_datetime(self):
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eq_(
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self.module.str_to_datetime("2022-04-03 17:12:34.353"),
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datetime.datetime(2022, 4, 3, 17, 12, 34, 353000),
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)
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eq_(
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self.module.str_to_datetime("2022-04-03 17:12:34.353123"),
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datetime.datetime(2022, 4, 3, 17, 12, 34, 353123),
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)
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eq_(
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self.module.str_to_datetime("2022-04-03 17:12:34"),
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datetime.datetime(2022, 4, 3, 17, 12, 34),
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)
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eq_(
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self.module.str_to_time("17:12:34.353123"),
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datetime.time(17, 12, 34, 353123),
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)
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eq_(
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self.module.str_to_time("17:12:34.353"),
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datetime.time(17, 12, 34, 353000),
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)
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eq_(
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self.module.str_to_time("17:12:34"),
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datetime.time(17, 12, 34),
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)
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eq_(self.module.str_to_date("2022-04-03"), datetime.date(2022, 4, 3))
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def test_date_no_string(self):
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assert_raises_message(
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TypeError,
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"fromisoformat: argument must be str",
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self.module.str_to_date,
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2012,
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)
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def test_datetime_no_string_custom_reg(self):
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assert_raises_message(
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ValueError,
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"Couldn't parse datetime string '2012' - value is not a string",
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processors.str_to_datetime_processor_factory(
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re.compile(r"(\d+)-(\d+)-(\d+) (\d+):(\d+):(\d+)(?:\.(\d+))?"),
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datetime.datetime,
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),
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2012,
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)
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def test_time_no_string_custom_reg(self):
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assert_raises_message(
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ValueError,
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"Couldn't parse time string '2012' - value is not a string",
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processors.str_to_datetime_processor_factory(
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re.compile(r"^(\d+):(\d+):(\d+)(?:\.(\d{6}))?$"), datetime.time
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),
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2012,
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)
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def test_date_invalid_string(self):
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assert_raises_message(
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ValueError,
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"Invalid isoformat string: '5:a'",
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self.module.str_to_date,
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"5:a",
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)
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def test_datetime_invalid_string(self):
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assert_raises_message(
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ValueError,
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"Invalid isoformat string: '5:a'",
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self.module.str_to_datetime,
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"5:a",
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)
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def test_time_invalid_string(self):
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assert_raises_message(
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ValueError,
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"Invalid isoformat string: '5:a'",
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self.module.str_to_time,
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"5:a",
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)
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class PyDateProcessorTest(_DateProcessorTest):
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@classmethod
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def setup_test_class(cls):
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from sqlalchemy.engine import _py_processors
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cls.module = _py_processors
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class CyDateProcessorTest(_DateProcessorTest):
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__requires__ = ("cextensions",)
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@classmethod
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def setup_test_class(cls):
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from sqlalchemy.cyextension import processors
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cls.module = processors
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class _DistillArgsTest(fixtures.TestBase):
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def test_distill_20_none(self):
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eq_(self.module._distill_params_20(None), ())
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def test_distill_20_empty_sequence(self):
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eq_(self.module._distill_params_20(()), ())
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eq_(self.module._distill_params_20([]), [])
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def test_distill_20_sequence_sequence(self):
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eq_(self.module._distill_params_20(((1, 2, 3),)), ((1, 2, 3),))
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eq_(self.module._distill_params_20([(1, 2, 3)]), [(1, 2, 3)])
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eq_(self.module._distill_params_20(((1, 2), (2, 3))), ((1, 2), (2, 3)))
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eq_(self.module._distill_params_20([(1, 2), (2, 3)]), [(1, 2), (2, 3)])
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def test_distill_20_sequence_dict(self):
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eq_(self.module._distill_params_20(({"a": 1},)), ({"a": 1},))
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eq_(
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self.module._distill_params_20([{"a": 1}, {"a": 2}]),
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[{"a": 1}, {"a": 2}],
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)
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eq_(
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self.module._distill_params_20((MappingProxyType({"a": 1}),)),
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(MappingProxyType({"a": 1}),),
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)
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def test_distill_20_sequence_error(self):
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_params_20((1, 2, 3))
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_params_20(([1, 2, 3],))
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_params_20([1, 2, 3])
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_params_20(["a", "b"])
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def test_distill_20_dict(self):
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eq_(self.module._distill_params_20({"foo": "bar"}), [{"foo": "bar"}])
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eq_(
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self.module._distill_params_20(immutabledict({"foo": "bar"})),
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[immutabledict({"foo": "bar"})],
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)
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eq_(
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self.module._distill_params_20(MappingProxyType({"foo": "bar"})),
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[MappingProxyType({"foo": "bar"})],
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)
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def test_distill_20_error(self):
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with expect_raises_message(
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exc.ArgumentError, "mapping or list expected for parameters"
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):
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self.module._distill_params_20("foo")
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with expect_raises_message(
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exc.ArgumentError, "mapping or list expected for parameters"
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):
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self.module._distill_params_20(1)
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def test_distill_raw_none(self):
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eq_(self.module._distill_raw_params(None), ())
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def test_distill_raw_empty_list(self):
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eq_(self.module._distill_raw_params([]), [])
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def test_distill_raw_list_sequence(self):
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eq_(self.module._distill_raw_params([(1, 2, 3)]), [(1, 2, 3)])
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eq_(
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self.module._distill_raw_params([(1, 2), (2, 3)]), [(1, 2), (2, 3)]
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)
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def test_distill_raw_list_dict(self):
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eq_(
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self.module._distill_raw_params([{"a": 1}, {"a": 2}]),
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[{"a": 1}, {"a": 2}],
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)
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eq_(
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self.module._distill_raw_params([MappingProxyType({"a": 1})]),
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[MappingProxyType({"a": 1})],
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)
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def test_distill_raw_sequence_error(self):
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_raw_params([1, 2, 3])
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_raw_params([[1, 2, 3]])
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with expect_raises_message(
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exc.ArgumentError,
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"List argument must consist only of tuples or dictionaries",
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):
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self.module._distill_raw_params(["a", "b"])
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def test_distill_raw_tuple(self):
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eq_(self.module._distill_raw_params(()), [()])
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eq_(self.module._distill_raw_params((1, 2, 3)), [(1, 2, 3)])
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def test_distill_raw_dict(self):
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eq_(self.module._distill_raw_params({"foo": "bar"}), [{"foo": "bar"}])
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eq_(
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self.module._distill_raw_params(immutabledict({"foo": "bar"})),
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[immutabledict({"foo": "bar"})],
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)
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eq_(
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self.module._distill_raw_params(MappingProxyType({"foo": "bar"})),
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[MappingProxyType({"foo": "bar"})],
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)
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def test_distill_raw_error(self):
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with expect_raises_message(
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exc.ArgumentError, "mapping or sequence expected for parameters"
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):
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self.module._distill_raw_params("foo")
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with expect_raises_message(
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exc.ArgumentError, "mapping or sequence expected for parameters"
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):
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self.module._distill_raw_params(1)
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class PyDistillArgsTest(_DistillArgsTest):
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@classmethod
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def setup_test_class(cls):
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from sqlalchemy.engine import _py_util
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cls.module = _py_util
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class CyDistillArgsTest(_DistillArgsTest):
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__requires__ = ("cextensions",)
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@classmethod
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def setup_test_class(cls):
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from sqlalchemy.cyextension import util
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cls.module = util
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