[
  {
    "id": "default_output",
    "method": "cmp_with_file_contents",
    "command": "{{pipdeptree}}",
    "expected_output_file": "default.out",
    "expected_err_file": "default.err",
    "expected_returncode": 0
  },
  {
    "id": "reverse_output",
    "method": "cmp_with_file_contents",
    "command": "{{pipdeptree}} -r",
    "expected_output_file": "reverse.out",
    "expected_err_file": "default.err",
    "expected_returncode": 0
  },
  {
    "id": "warning_silenced",
    "method": "cmp_with_file_contents",
    "command": "{{pipdeptree}} -w silence",
    "expected_output_file": "default.out",
    "expected_err_file": null,
    "expected_returncode": 0
  },
  {
    "id": "fail_if_conflicting",
    "method": "cmp_with_file_contents",
    "command": "{{pipdeptree}} -w fail",
    "expected_output_file": "default.out",
    "expected_err_file": "default.err",
    "expected_returncode": 1
  }
]