code: def test_path_partition_encoder_errors():
      # no field names for default HIVE path partitioning
      with pytest.raises(ValueError):
          PathPartitionEncoder.of()
      # explicit no field names for HIVE path partitioning
      with pytest.raises(ValueError):
          PathPartitionEncoder.of(
              style=PartitionStyle.HIVE, field_names=[]
          )
      # invalid path partitioning style
      with pytest.raises(ValueError):
          PathPartitionEncoder.of(style=None)
      # partition field name and field value length mismatch
      for style in [PartitionStyle.HIVE, PartitionStyle.DIRECTORY]:
          path_partition_encoder = PathPartitionEncoder.of(
              style,
              field_names=["foo", "bar"],
          )
          with pytest.raises(TypeError):
              path_partition_encoder(None)
          with pytest.raises(AssertionError):
              path_partition_encoder([])
          with pytest.raises(AssertionError):
              path_partition_encoder(["1"])
          with pytest.raises(AssertionError):
              path_partition_encoder(["1", "2", "3"])
  
imports: import json
  import os
  import posixpath
  from typing import Any, Callable, Dict, Iterator, List, Optional, Union
  import pandas
  import pyarrow
  import pyarrow
  import pytest
  from pyarrow.fs import FileType
  from pytest_lazyfixture import lazy_fixture
  import ray
  from ray.data.block import Block
  from ray.data.dataset import Dataset
  from ray.data.datasource import FileBasedDatasource, PathPartitionParser
  from ray.data.datasource.file_based_datasource import FileExtensionFilter, _resolve_paths_and_filesystem
  from ray.data.datasource.partitioning import Partitioning, PartitionStyle, PathPartitionFilter
  from ray.data.tests.conftest import *
  from ray.tests.conftest import *
label_desc: Use image node_id 7 for calling a global function with example usage: test_path_partition_encoder_errors() without return types