code: def test_show_json_and_hash(mocker, capsys, dvc):
      args = parse_args(["diff", "--json", "--show-hash"])
      cmd = args.func(args)
  
      diff = {
          "added": [
              # py35: maintain a consistent key order for tests purposes
              collections.OrderedDict(
                  [("path", "file2"), ("hash", "22222222")]
              ),
              collections.OrderedDict(
                  [("path", "file1"), ("hash", "11111111")]
              ),
          ],
          "deleted": [],
          "modified": [],
          "renamed": [
              {
                  "path": {"old": "file_old", "new": "file_new"},
                  "hash": "11111111",
              }
          ],
          "not in cache": [],
      }
      mocker.patch("dvc.repo.Repo.diff", return_value=diff)
  
      assert cmd.run() == 0
      out, _ = capsys.readouterr()
      assert (
          '"added": [{"path": "file1", "hash": "11111111"}, '
          '{"path": "file2", "hash": "22222222"}]' in out
      )
      assert '"deleted": []' in out
      assert '"modified": []' in out
      assert (
          '"renamed": [{"path": {"old": "file_old", '
          '"new": "file_new"}, "hash": "11111111"}]' in out
      )
      assert '"not in cache": []' in out
  
file_path: dvc/tests/unit/command/test_diff.py
imports: import collections
  import os
  import pytest
  from dvc.cli import parse_args
  from dvc.commands.diff import _digest, _show_markdown
label_desc: Use image node_id 5 for calling a global function with example usage: test_show_json_and_hash(mocker, capsys, dvc) without return types