code: def test_hadoop_methods(self):
      data = ["foo", "bar", "baz"]
      data.extend(map(str, range(100)))
  
      with hadoop_open("/tmp/test_out.txt", "w") as f:
          for d in data:
              f.write(d)
              f.write("\n")
  
      with hadoop_open("/tmp/test_out.txt") as f:
          data2 = [line.strip() for line in f]
  
      self.assertEqual(data, data2)
  
      with hadoop_open("/tmp/test_out.txt.gz", "w") as f:
          for d in data:
              f.write(d)
              f.write("\n")
  
      with hadoop_open("/tmp/test_out.txt.gz") as f:
          data3 = [line.strip() for line in f]
  
      self.assertEqual(data, data3)
  
      hadoop_copy("/tmp/test_out.txt.gz", "/tmp/test_out.copy.txt.gz")
  
      with hadoop_open("/tmp/test_out.copy.txt.gz") as f:
          data4 = [line.strip() for line in f]
  
      self.assertEqual(data, data4)
  
      with hadoop_open(
          resource("randomBytes"), mode="rb", buffer_size=100
      ) as f:
          with hadoop_open(
              "/tmp/randomBytesOut", mode="wb", buffer_size=150
          ) as out:
              b = f.read()
              out.write(b)
  
      with hadoop_open(
          "/tmp/randomBytesOut", mode="rb", buffer_size=199
      ) as f:
          b2 = f.read()
  
      self.assertEqual(b, b2)
  
      with self.assertRaises(Exception):
          hadoop_open("/tmp/randomBytesOut", "xb")
  
imports: import json
  import unittest
  import hail
  from hail.utils import *
  from hail.utils.misc import escape_str, escape_id
  from hail.utils.java import FatalError
  from hail.utils.linkedlist import LinkedList
  from ..helpers import *
label_desc: Use image node_id 1 for calling the Tests obj's underlying member method code with example usage: obj.test_hadoop_methods() without return types