code: def test_parse_literal_with_contig_map(self, contig_name, expected):
      contig_map = {
          "chr1": reference_pb2.ContigInfo(name="chr1", n_bases=10),
          "chr2": reference_pb2.ContigInfo(name="chr2", n_bases=5),
      }
      self.assertEqual(
          ranges.parse_literal(contig_name, contig_map=contig_map),
          expected,
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import itertools
  from absl.testing import absltest
  from absl.testing import parameterized
  import mock
  from third_party.nucleus.protos import position_pb2
  from third_party.nucleus.protos import reference_pb2
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.testing import test_utils
  from third_party.nucleus.util import ranges
label_desc: Use image node_id 23 for calling the RangesTests obj's underlying member method code with example usage: obj.test_parse_literal_with_contig_map(contig_name, expected) without return types