def _pick_spark_tmp_dir(self):
     if self._opts['spark_tmp_dir']:
         return self.fs.join(self._opts['spark_tmp_dir'], self._job_key)
     else:
         master = self._spark_master() or 'local'
         if master.startswith('local'):  # including local-cluster
             # need a local temp dir
             # add "-spark" so we don't collide with default local temp dir
             return os.path.join(
                 gettempdir(), self._job_key + '-spark')
         else:
             # use HDFS (same default as HadoopJobRunner)
             return posixpath.join(
                 fully_qualify_hdfs_path('tmp/mrjob'), self._job_key)

 def test_other_uri(self):
     self.assertEqual(fully_qualify_hdfs_path('foo://bar/baz'),
                      'foo://bar/baz')

 def test_s3n_uri(self):
     self.assertEqual(fully_qualify_hdfs_path('s3n://bucket/oh/noes'),
                      's3n://bucket/oh/noes')

 def test_hdfs_uri(self):
     self.assertEqual(fully_qualify_hdfs_path('hdfs://host/path/'),
                      'hdfs://host/path/')

 def test_absolute_path(self):
     self.assertEqual(fully_qualify_hdfs_path('/path/to/cheese'),
                      'hdfs:///path/to/cheese')

 def test_relative_path(self):
     with patch('getpass.getuser') as getuser:
         getuser.return_value = 'dave'
         self.assertEqual(fully_qualify_hdfs_path('path/to/chocolate'),
                          'hdfs:///user/dave/path/to/chocolate')

 def test_empty(self):
     with patch('getpass.getuser') as getuser:
         getuser.return_value = 'dave'
         self.assertEqual(fully_qualify_hdfs_path(''), 'hdfs:///user/dave/')

 def test_relative_path(self):
     with patch("getpass.getuser") as getuser:
         getuser.return_value = "dave"
         self.assertEqual(fully_qualify_hdfs_path("path/to/chocolate"), "hdfs:///user/dave/path/to/chocolate")

 def test_empty(self):
     with patch("getpass.getuser") as getuser:
         getuser.return_value = "dave"
         self.assertEqual(fully_qualify_hdfs_path(""), "hdfs:///user/dave/")