code: def test_single_chunk_artifact(self):
      file_name = "smallJar"
      small_jar_path = os.path.join(
          self.artifact_file_path, f"{file_name}.jar"
      )
      small_jar_crc_path = os.path.join(
          self.artifact_crc_path, f"{file_name}.txt"
      )
  
      requests = list(
          self.artifact_manager._create_requests(
              small_jar_path, pyfile=False, archive=False, file=False
          )
      )
      self.assertEqual(len(requests), 1)
  
      request = requests[0]
      self.assertIsNotNone(request.batch)
  
      batch = request.batch
      self.assertEqual(len(batch.artifacts), 1)
  
      single_artifact = batch.artifacts[0]
      self.assertTrue(single_artifact.name.endswith(".jar"))
  
      self.assertEqual(
          os.path.join("jars", f"{file_name}.jar"), single_artifact.name
      )
      with open(small_jar_crc_path) as f1, open(
          small_jar_path, "rb"
      ) as f2:
          self.assertEqual(single_artifact.data.crc, int(f1.readline()))
          self.assertEqual(single_artifact.data.data, f2.read())
  
imports: import hashlib
  import shutil
  import tempfile
  import unittest
  import os
  from pyspark.errors.exceptions.connect import SparkConnectGrpcException
  from pyspark.sql import SparkSession
  from pyspark.testing.connectutils import ReusedConnectTestCase, should_test_connect
  from pyspark.testing.utils import SPARK_HOME
  from pyspark import SparkFiles
  from pyspark.sql.functions import udf
label_desc: Use image node_id 5 for calling the ArtifactTests obj's underlying member method code with example usage: obj.test_single_chunk_artifact() without return types