| """ |
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| SPDX-License-Identifier: MIT-0 |
| """ |
|
|
| import json |
| import subprocess |
| import unittest |
| from copy import deepcopy |
| from io import StringIO |
| from pathlib import Path |
| from typing import Any, Dict, List |
| from unittest.mock import patch |
|
|
| from cfnlint.config import configure_logging |
| from cfnlint.decode import cfn_yaml |
| from cfnlint.formatters import JsonFormatter |
| from cfnlint.runner import Runner |
|
|
|
|
| class BaseCliTestCase(unittest.TestCase): |
| """Used for Testing CLI""" |
|
|
| scenarios: List[Dict[str, Any]] = [] |
|
|
| def setUp(self): |
| """Common Settings""" |
| self.maxDiff = None |
|
|
| def run_scenarios(self, extra_params=None): |
| """Success test""" |
| extra_params = extra_params or [] |
| for scenario in self.scenarios: |
| filename = scenario.get("filename") |
| results_filename = scenario.get("results_filename") |
| expected_results = scenario.get("results", []) |
| exit_code = scenario.get("exit_code") |
|
|
| if results_filename and not expected_results: |
| with open(results_filename, encoding="utf-8") as json_data: |
| expected_results = json.load(json_data) |
|
|
| for result in expected_results: |
| result["Filename"] = str(Path(result.get("Filename"))) |
|
|
| try: |
| result = subprocess.check_output( |
| ["cfn-lint"] + extra_params + ["--format", "json", "--", filename] |
| ) |
|
|
| self.assertEqual( |
| 0, |
| exit_code, |
| "Expected {} exit code, got {} on {}".format( |
| exit_code, 0, filename |
| ), |
| ) |
|
|
| if isinstance(result, bytes): |
| result = result.decode("utf8") |
| matches = json.loads(result) |
|
|
| self.assertCountEqual( |
| expected_results, |
| matches, |
| "Expected {} failures, got {} on {}".format( |
| len(expected_results), len(matches), filename |
| ), |
| ) |
|
|
| except subprocess.CalledProcessError as error: |
| self.assertEqual( |
| error.returncode, |
| exit_code, |
| "Expected {} exit code, got {} on {}".format( |
| exit_code, error.returncode, filename |
| ), |
| ) |
|
|
| if isinstance(error.output, bytes): |
| error.output = error.output.decode("utf8") |
| matches = json.loads(error.output) |
|
|
| self.assertCountEqual( |
| expected_results, |
| matches, |
| "Expected {} failures, got {} on {}".format( |
| len(expected_results), len(matches), filename |
| ), |
| ) |
|
|
| def run_module_integration_scenarios(self, config): |
| """Test using cfnlint as a module integrated into another package""" |
|
|
| configure_logging(None, False) |
|
|
| for scenario in self.scenarios: |
| filename = scenario.get("filename") |
| results_filename = scenario.get("results_filename") |
| expected_results = scenario.get("results", []) |
|
|
| if results_filename and not expected_results: |
| with open(results_filename, encoding="utf-8") as json_data: |
| expected_results = json.load(json_data) |
|
|
| for result in expected_results: |
| result["Filename"] = str(Path(result.get("Filename"))) |
|
|
| |
| scenario_config = deepcopy(config) |
| scenario_config.cli_args.template_alt = [filename] |
| scenario_config.cli_args.format = "json" |
|
|
| runner = Runner(scenario_config) |
|
|
| with patch("sys.exit") as exit: |
| with patch("sys.stdout", new=StringIO()) as out: |
| runner.cli() |
| exit.assert_called_once_with(scenario.get("exit_code", 0)) |
|
|
| output = json.loads(out.getvalue()) |
| self.assertEqual( |
| expected_results, |
| output, |
| f"Test for {filename!r} got results: {output!r}", |
| ) |
|
|