| """ |
| Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| SPDX-License-Identifier: MIT-0 |
| """ |
|
|
| from __future__ import annotations |
|
|
| import fnmatch |
| import json |
| import os |
| import pathlib |
| from typing import Any, List |
| from unittest import TestCase |
|
|
| import pytest |
| import regex as re |
|
|
| import cfnlint |
| from cfnlint.helpers import REGIONS, ensure_list, load_plugins, load_resource |
| from cfnlint.jsonschema import StandardValidator, ValidationError |
| from cfnlint.schema.resolver import RefResolutionError, RefResolver |
|
|
|
|
| @pytest.mark.data |
| class TestSchemaFiles(TestCase): |
| """Test schema files""" |
|
|
| _found_keywords: List[str] = [ |
| "*", |
| "Conditions", |
| "Description", |
| "Mappings", |
| "Metadata", |
| "Metadata/AWS::CloudFormation::Interface", |
| "Metadata/cfn-lint", |
| "Outputs", |
| "Outputs/*", |
| "Outputs/*/Condition", |
| "Outputs/*/Export/Name", |
| "Outputs/*/Value", |
| "Parameters", |
| "Parameters/*", |
| "Resources", |
| "Resources/*", |
| "Resources/*/Condition", |
| "Resources/*/CreationPolicy", |
| "Resources/*/DeletionPolicy", |
| "Resources/*/DependsOn", |
| "Resources/*/DependsOn/*", |
| "Resources/*/Metadata", |
| "Resources/*/Metadata/AWS::CloudFormation::Init", |
| "Resources/*/Type", |
| "Resources/*/UpdatePolicy", |
| "Resources/*/UpdateReplacePolicy", |
| "Rules", |
| "Rules/*/Assertions/*/Assert", |
| "Rules/*/RuleCondition", |
| "Transform", |
| ] |
|
|
| def setUp(self) -> None: |
| schema_path = os.path.join(os.path.dirname(cfnlint.__file__), "data", "schemas") |
| self.paths = { |
| "extensions": os.path.join(schema_path, "extensions"), |
| "providers": os.path.join(schema_path, "providers"), |
| "other": os.path.join(schema_path, "other"), |
| "fixtures": os.path.join( |
| os.path.dirname(__file__), |
| "..", |
| "fixtures", |
| "schemas", |
| "providers", |
| ), |
| } |
| filename = os.path.join( |
| self.paths["fixtures"], "..", "json_schema", "draft7.json" |
| ) |
| with open(filename, "r") as fh: |
| d = json.load(fh) |
| self.schema_draft7 = d |
|
|
| super().setUp() |
|
|
| def get_files(self, dir): |
| for dirpath, _, filenames in os.walk(dir): |
| for filename in fnmatch.filter(filenames, "*.json"): |
| yield dirpath, filename |
|
|
| def pattern(self, validator, patrn, instance, schema): |
| try: |
| re.compile(patrn) |
| except Exception: |
| yield ValidationError(f"Pattern doesn't compile: {patrn}") |
|
|
| def validate_basic_schema_details( |
| self, schema_resolver: RefResolver, filepath: str |
| ): |
| """ |
| Validate that readOnly, writeOnly, etc are valid |
| """ |
| sections = [ |
| "readOnlyProperties", |
| "writeOnlyProperties", |
| "conditionalCreateOnlyProperties", |
| "nonPublicProperties", |
| "nonPublicDefinitions", |
| "createOnlyProperties", |
| "deprecatedProperties", |
| "primaryIdentifier", |
| ] |
| for section in sections: |
| for prop in schema_resolver.referrer.get(section, []): |
| try: |
| self.assertIsNotNone(schema_resolver.resolve_cfn_pointer(prop)) |
| except RefResolutionError: |
| self.fail(f"Can't find prop {prop} for {section} in {filepath}") |
|
|
| def _build_keywords(self, obj: Any, schema_resolver: RefResolver, refs: list[str]): |
| if not isinstance(obj, dict): |
| yield [] |
| return |
|
|
| if "$ref" in obj: |
| ref = obj["$ref"] |
| if ref in refs: |
| yield [] |
| return |
| _, resolved_schema = schema_resolver.resolve(ref) |
| yield from self._build_keywords( |
| resolved_schema, schema_resolver, refs + [ref] |
| ) |
|
|
| if "type" in obj: |
| if "object" in ensure_list(obj["type"]): |
| if "properties" in obj: |
| for k, v in obj["properties"].items(): |
| for item in self._build_keywords(v, schema_resolver, refs): |
| yield [k] + item |
| if "array" in ensure_list(obj["type"]): |
| if "items" in obj: |
| for item in self._build_keywords( |
| obj["items"], schema_resolver, refs |
| ): |
| yield ["*"] + item |
|
|
| yield [] |
|
|
| def build_keywords(self, schema_resolver): |
| self._found_keywords.append( |
| "/".join(["Resources", schema_resolver.referrer["typeName"], "Properties"]) |
| ) |
| for k, v in schema_resolver.referrer.get("properties").items(): |
| for item in self._build_keywords(v, schema_resolver, []): |
| self._found_keywords.append( |
| "/".join( |
| [ |
| "Resources", |
| schema_resolver.referrer["typeName"], |
| "Properties", |
| k, |
| ] |
| + item |
| ) |
| ) |
|
|
| def test_data_module_specs(self): |
| """Test data file formats""" |
|
|
| draft7_schema = load_resource( |
| "cfnlint.data.schemas.other.draft7", "schema.json" |
| ) |
| store = {"http://json-schema.org/draft-07/schema": draft7_schema} |
| dir = self.paths["fixtures"] |
| for dirpath, filename in self.get_files(dir): |
| with open(os.path.join(dirpath, filename), "r", encoding="utf8") as fh: |
| store[filename] = json.load(fh) |
|
|
| resolver = RefResolver.from_schema( |
| store["provider.definition.schema.v1.json"], store=store |
| ) |
|
|
| validator = ( |
| StandardValidator({}) |
| .extend( |
| validators={ |
| "cfnLint": self.cfn_lint, |
| "pattern": self.pattern, |
| }, |
| )(schema=store["provider.definition.schema.v1.json"]) |
| .evolve(resolver=resolver) |
| ) |
|
|
| for region in REGIONS: |
| dir = os.path.join( |
| self.paths["providers"], |
| region.replace("-", "_"), |
| ) |
|
|
| for dirpath, filename in self.get_files(dir): |
| with open(os.path.join(dirpath, filename), "r", encoding="utf8") as fh: |
| d = json.load(fh) |
| |
| if filename == "aws-cloudformation-customresource.json": |
| d["additionalProperties"] = False |
| if filename == "module.json": |
| continue |
| errs = list(validator.iter_errors(d)) |
| self.assertListEqual( |
| errs, [], f"Error with {dirpath}/{filename}: {errs}" |
| ) |
| schema_resolver = RefResolver(d) |
| self.validate_basic_schema_details( |
| schema_resolver, f"{dirpath}/{filename}" |
| ) |
|
|
| if region == "us-east-1": |
| self.build_keywords(schema_resolver) |
|
|
| def cfn_lint(self, validator, _, keywords, schema): |
| keywords = ensure_list(keywords) |
| self._found_keywords.extend(keywords) |
|
|
| def test_other_specs(self): |
| """Test data file formats""" |
|
|
| draft7_schema = load_resource( |
| "cfnlint.data.schemas.other.draft7", "schema.json" |
| ) |
| store = {"http://json-schema.org/draft-07/schema": draft7_schema} |
| dir = self.paths["fixtures"] |
| for dirpath, filename in self.get_files(dir): |
| with open(os.path.join(dirpath, filename), "r", encoding="utf8") as fh: |
| store[filename] = json.load(fh) |
|
|
| resolver = RefResolver.from_schema( |
| store["http://json-schema.org/draft-07/schema"], store=store |
| ) |
|
|
| validator = ( |
| StandardValidator({}) |
| .extend( |
| validators={ |
| "cfnLint": self.cfn_lint, |
| "pattern": self.pattern, |
| }, |
| )(schema=store["http://json-schema.org/draft-07/schema"]) |
| .evolve(resolver=resolver) |
| ) |
|
|
| for dir_name in ["extensions", "other"]: |
| dir = self.paths[dir_name] |
|
|
| for dirpath, filename in self.get_files(dir): |
| with open(os.path.join(dirpath, filename), "r", encoding="utf8") as fh: |
| d = json.load(fh) |
| errs = list(validator.iter_errors(d)) |
| self.assertListEqual( |
| errs, [], f"Error with {dirpath}/{filename}: {errs}" |
| ) |
| schema_resolver = RefResolver(d) |
| self.validate_basic_schema_details( |
| schema_resolver, f"{dirpath}/{filename}" |
| ) |
|
|
| def test_x_keywords(self): |
| root_dir = pathlib.Path(__file__).parent.parent.parent / "src/cfnlint/rules" |
| rules = load_plugins( |
| str(root_dir), |
| "CfnLintKeyword", |
| "cfnlint.rules.jsonschema.CfnLintKeyword", |
| ) |
| rules.extend( |
| load_plugins( |
| str(root_dir), |
| "CfnLintJsonSchema", |
| "cfnlint.rules.jsonschema.CfnLintJsonSchema", |
| ) |
| ) |
|
|
| for rule in rules: |
| for keyword in rule.keywords: |
| self.assertIn(keyword, self._found_keywords, f"{keyword} not found") |
|
|