"""simple docstring"""






import os
from collections import namedtuple

import pytest

from datasets import ClassLabel, Features, Sequence, Value
from datasets.commands.test import TestCommand
from datasets.info import DatasetInfo, DatasetInfosDict


__lowerCAmelCase					: Dict        =namedtuple(
    """_TestCommandArgs""",
    [
        """dataset""",
        """name""",
        """cache_dir""",
        """data_dir""",
        """all_configs""",
        """save_infos""",
        """ignore_verifications""",
        """force_redownload""",
        """clear_cache""",
    ],
    defaults=[None, None, None, False, False, False, False, False],
)


def     UpperCAmelCase__ (       lowerCAmelCase__  :Tuple      ,	lowerCAmelCase__  :Dict	)				->					str:
      '''simple docstring'''


      return (abs(source - target	) / target) < 0.01






@pytest.mark.integration
def     UpperCAmelCase__ (       lowerCAmelCase__  :Any	)				->					Optional[int]:
      '''simple docstring'''


      lowercase														=			_TestCommandArgs(dataset=lowerCAmelCase__      ,	all_configs=lowerCAmelCase__      ,	save_infos=lowerCAmelCase__	)
      lowercase														=			TestCommand(*lowerCAmelCase__	)
      test_command.run()
      lowercase														=			os.path.join(lowerCAmelCase__      ,	"""README.md"""	)
      assert os.path.exists(lowerCAmelCase__	)
      lowercase														=			DatasetInfosDict.from_directory(lowerCAmelCase__	)
      lowercase														=			DatasetInfosDict(
          {
              """default""": DatasetInfo(
                  features=Features(
                      {
                          """tokens""": Sequence(Value("""string"""	)	),
                          """ner_tags""": Sequence(
                              ClassLabel(names=["""O""", """B-PER""", """I-PER""", """B-ORG""", """I-ORG""", """B-LOC""", """I-LOC"""]	)	),
                          """langs""": Sequence(Value("""string"""	)	),
                          """spans""": Sequence(Value("""string"""	)	),
                      }	)      ,	splits=[
                      {
                          """name""": """train""",
                          """num_bytes""": 2_3_5_1_5_6_3,
                          """num_examples""": 1_0_0_0_0,
                      },
                      {
                          """name""": """validation""",
                          """num_bytes""": 2_3_8_4_1_8,
                          """num_examples""": 1_0_0_0,
                      },
                  ]      ,	download_size=3_9_4_0_6_8_0      ,	dataset_size=2_5_8_9_9_8_1      ,	)
          }	)
      assert dataset_infos.keys() == expected_dataset_infos.keys()
      for key in DatasetInfo._INCLUDED_INFO_IN_YAML:
            lowercase							,							lowercase														=			getattr(dataset_infos["""default"""]      ,	lowerCAmelCase__	), getattr(expected_dataset_infos["""default"""]      ,	lowerCAmelCase__	)
            if key == "num_bytes":
                  assert is_apercent_close(lowerCAmelCase__      ,	lowerCAmelCase__	)
            elif key == "splits":
                  assert list(lowerCAmelCase__	) == list(lowerCAmelCase__	)
                  for split in result:
                        assert result[split].name == expected[split].name
                        assert result[split].num_examples == expected[split].num_examples
                        assert is_apercent_close(result[split].num_bytes      ,	expected[split].num_bytes	)
            else:
                  result == expected




"""simple docstring"""






import contextlib
import os
import sqlitea

import pytest

from datasets import Dataset, Features, Value
from datasets.io.sql import SqlDatasetReader, SqlDatasetWriter

from ..utils import assert_arrow_memory_doesnt_increase, assert_arrow_memory_increases, require_sqlalchemy


def     UpperCAmelCase__ (       lowerCAmelCase__  :int      ,	lowerCAmelCase__  :Tuple	)				->					Union[str, Any]:
      '''simple docstring'''


      assert isinstance(lowerCAmelCase__      ,	lowerCAmelCase__	)
      assert dataset.num_rows == 4
      assert dataset.num_columns == 3
      assert dataset.column_names == ["col_1", "col_2", "col_3"]
      for feature, expected_dtype in expected_features.items():
            assert dataset.features[feature].dtype == expected_dtype


@require_sqlalchemy
@pytest.mark.parametrize("""keep_in_memory"""      ,	[False, True]	)
def     UpperCAmelCase__ (       lowerCAmelCase__  :Dict      ,	lowerCAmelCase__  :Optional[Any]      ,	lowerCAmelCase__  :str      ,	lowerCAmelCase__  :List[str]	)				->					int:
      '''simple docstring'''


      lowercase														=			tmp_path / """cache"""
      lowercase														=			{"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""}
      with assert_arrow_memory_increases() if keep_in_memory else assert_arrow_memory_doesnt_increase():
            lowercase														=			SqlDatasetReader(
                """dataset"""      ,	"""sqlite:///""" + sqlite_path      ,	cache_dir=lowerCAmelCase__      ,	keep_in_memory=lowerCAmelCase__	).read()
      _check_sql_dataset(lowerCAmelCase__      ,	lowerCAmelCase__	)


@require_sqlalchemy
@pytest.mark.parametrize(
    """features"""      ,	[
        None,
        {"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""},
        {"""col_1""": """string""", """col_2""": """string""", """col_3""": """string"""},
        {"""col_1""": """int32""", """col_2""": """int32""", """col_3""": """int32"""},
        {"""col_1""": """float32""", """col_2""": """float32""", """col_3""": """float32"""},
    ]      ,	)
def     UpperCAmelCase__ (       lowerCAmelCase__  :int      ,	lowerCAmelCase__  :Union[str, Any]      ,	lowerCAmelCase__  :List[Any]      ,	lowerCAmelCase__  :Union[str, Any]	)				->					Optional[int]:
      '''simple docstring'''


      lowercase														=			tmp_path / """cache"""
      lowercase														=			{"""col_1""": """string""", """col_2""": """int64""", """col_3""": """float64"""}
      lowercase														=			features.copy() if features else default_expected_features
      lowercase														=			(
          Features({feature: Value(lowerCAmelCase__	) for feature, dtype in features.items()}	) if features is not None else None
      )
      lowercase														=			SqlDatasetReader("""dataset"""      ,	"""sqlite:///""" + sqlite_path      ,	features=lowerCAmelCase__      ,	cache_dir=lowerCAmelCase__	).read()
      _check_sql_dataset(lowerCAmelCase__      ,	lowerCAmelCase__	)


def     UpperCAmelCase__ (       lowerCAmelCase__  :Any	)				->					Optional[int]:
      '''simple docstring'''


      with contextlib.closing(sqlitea.connect(lowerCAmelCase__	)	) as con:
            lowercase														=			con.cursor()
            cur.execute("""SELECT * FROM dataset"""	)
            for row in cur:
                  yield row


@require_sqlalchemy
def     UpperCAmelCase__ (       lowerCAmelCase__  :Tuple      ,	lowerCAmelCase__  :str      ,	lowerCAmelCase__  :int	)				->					List[Any]:
      '''simple docstring'''


      lowercase														=			tmp_path / """cache"""
      lowercase														=			os.path.join(lowerCAmelCase__      ,	"""tmp.sql"""	)
      lowercase														=			SqlDatasetReader("""dataset"""      ,	"""sqlite:///""" + sqlite_path      ,	cache_dir=lowerCAmelCase__	).read()
      SqlDatasetWriter(lowerCAmelCase__      ,	"""dataset"""      ,	"""sqlite:///""" + output_sqlite_path      ,	num_proc=1	).write()

      lowercase														=			iter_sql_file(lowerCAmelCase__	)
      lowercase														=			iter_sql_file(lowerCAmelCase__	)

      for rowa, rowa in zip(lowerCAmelCase__      ,	lowerCAmelCase__	):
            assert rowa == rowa


@require_sqlalchemy
def     UpperCAmelCase__ (       lowerCAmelCase__  :str      ,	lowerCAmelCase__  :Optional[Any]      ,	lowerCAmelCase__  :Optional[int]	)				->					Optional[int]:
      '''simple docstring'''


      lowercase														=			tmp_path / """cache"""
      lowercase														=			os.path.join(lowerCAmelCase__      ,	"""tmp.sql"""	)
      lowercase														=			SqlDatasetReader("""dataset"""      ,	"""sqlite:///""" + sqlite_path      ,	cache_dir=lowerCAmelCase__	).read()
      SqlDatasetWriter(lowerCAmelCase__      ,	"""dataset"""      ,	"""sqlite:///""" + output_sqlite_path      ,	num_proc=2	).write()

      lowercase														=			iter_sql_file(lowerCAmelCase__	)
      lowercase														=			iter_sql_file(lowerCAmelCase__	)

      for rowa, rowa in zip(lowerCAmelCase__      ,	lowerCAmelCase__	):
            assert rowa == rowa






@require_sqlalchemy
def     UpperCAmelCase__ (       lowerCAmelCase__  :Dict      ,	lowerCAmelCase__  :Dict      ,	lowerCAmelCase__  :Tuple	)				->					Any:
      '''simple docstring'''


      lowercase														=			tmp_path / """cache"""
      lowercase														=			os.path.join(lowerCAmelCase__      ,	"""tmp.sql"""	)
      lowercase														=			SqlDatasetReader("""dataset"""      ,	"""sqlite:///""" + sqlite_path      ,	cache_dir=lowerCAmelCase__	).read()
      with pytest.raises(lowerCAmelCase__	):
            SqlDatasetWriter(lowerCAmelCase__      ,	"""dataset"""      ,	"""sqlite:///""" + output_sqlite_path      ,	num_proc=0	).write()



