code: def test_create(self):
      self.project_controller.init("test3", "test description")
  
      # Test failing for nothing to commit, no id
      result = self.code_controller.create()
      assert result
  
      # Test failing for non-existant commit_id
      failed = False
      try:
          self.code_controller.create(commit_id="random")
      except CommitDoesNotExist:
          failed = True
      assert failed
  
      # Create test file
      definition_filepath = os.path.join(
          self.code_controller.home, "test.txt"
      )
      with open(definition_filepath, "wb") as f:
          f.write(to_bytes(str("test")))
  
      # Test passing with something to commit
      code_obj = self.code_controller.create()
  
      assert code_obj
      assert code_obj.id
      assert code_obj.driver_type
  
      # Test should return same code_obj if same commit_id
      code_obj_2 = self.code_controller.create()
  
      assert code_obj_2 == code_obj
  
      # Test failing with random id given
      random_commit_id = "random"
      try:
          self.code_controller.create(commit_id=random_commit_id)
      except CommitDoesNotExist:
          assert True
  
file_path: datmo/datmo/core/controller/code/tests/test_code.py
imports: import os
  import tempfile
  import platform
  from io import open
  from datmo.config import Config
  from datmo.core.controller.project import ProjectController
  from datmo.core.controller.code.code import CodeController
  from datmo.core.util.exceptions import EntityNotFound, CommitDoesNotExist, CodeDoesNotExist, UnstagedChanges
label_desc: Use image node_id 4 for calling the TestCodeController obj's underlying member method code with example usage: obj.test_create() without return types