Files
sigma-rules/tests/test_packages.py
T
Ross Wolf 6ed1a39efe Add a RuleCollection object instead of a "loader" module (#1063)
* Add a RuleCollection object instead of a "loader" module
* Remove legacy loader code
* Remove more legacy loader
* Freeze the default collection
* Change RULE_LOADER default
* Rename to _toml_load_cache
* Use rglob magic
* Typo should've been a string
* Remove no longer needed glob import
* Fix pycharm import bad ordering
* Restore the detection_rules/schemas imports
* Put more imports back for a smaller diff
* Check cache in _deserialize_toml
* Add multi collection and single collection decorators
* Reorder RuleCollection methods
* Move filter method up
2021-04-05 14:23:37 -06:00

167 lines
7.2 KiB
Python

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License
# 2.0; you may not use this file except in compliance with the Elastic License
# 2.0.
"""Test that the packages are built correctly."""
import unittest
import uuid
from detection_rules import rule_loader
from detection_rules.packaging import PACKAGE_FILE, Package
from detection_rules.rule_loader import RuleCollection
from tests.base import BaseRuleTest
package_configs = Package.load_configs()
class TestPackages(BaseRuleTest):
"""Test package building and saving."""
@staticmethod
def get_test_rule(version=1, count=1):
def get_rule_contents():
contents = {
"author": ["Elastic"],
"description": "test description",
"language": "kuery",
"license": "Elastic License v2",
"name": "test rule",
"query": "process.name:test.query",
"risk_score": 21,
"rule_id": str(uuid.uuid4()),
"severity": "low",
"type": "query"
}
return contents
rules = [rule_loader.TOMLRule('test.toml', get_rule_contents()) for i in range(count)]
version_info = {
rule.id: {
'rule_name': rule.name,
'sha256': rule.contents.sha256(),
'version': version
} for rule in rules
}
return rules, version_info
def test_package_loader_production_config(self):
"""Test that packages are loading correctly."""
def test_package_loader_default_configs(self):
"""Test configs in etc/packages.yml."""
Package.from_config(package_configs)
def test_package_summary(self):
"""Test the generation of the package summary."""
rules = self.production_rules
package = Package(rules, 'test-package')
changed_rule_ids, new_rule_ids, deprecated_rule_ids = package.bump_versions(save_changes=False)
package.generate_summary_and_changelog(changed_rule_ids, new_rule_ids, deprecated_rule_ids)
# def test_versioning_diffs(self):
# """Test that versioning is detecting diffs as expected."""
# rules, version_info = self.get_test_rule()
# package = Package(rules, 'test', current_versions=version_info)
#
# # test versioning doesn't falsely detect changes
# changed_rules, new_rules = package.changed_rule_ids, package.new_rules_ids
#
# self.assertEqual(0, len(changed_rules), 'Package version bumping is improperly detecting changed rules')
# self.assertEqual(0, len(new_rules), 'Package version bumping is improperly detecting new rules')
# self.assertEqual(1, package.rules[0].contents['version'], 'Package version bumping unexpectedly')
#
# # test versioning detects a new rule
# package.rules[0].contents.pop('version')
# changed_rules, new_rules, _ = package.bump_versions(current_versions={})
#
# self.assertEqual(0, len(changed_rules), 'Package version bumping is improperly detecting changed rules')
# self.assertEqual(1, len(new_rules), 'Package version bumping is not detecting new rules')
# self.assertEqual(1, package.rules[0].contents['version'],
# 'Package version bumping not setting version to 1 for new rules')
#
# # test versioning detects a hash changes
# package.rules[0].contents.pop('version')
# package.rules[0].contents['query'] = 'process.name:changed.test.query'
# changed_rules, new_rules, _ = package.bump_versions(current_versions=version_info)
#
# self.assertEqual(1, len(changed_rules), 'Package version bumping is not detecting changed rules')
# self.assertEqual(0, len(new_rules), 'Package version bumping is improperly detecting new rules')
# self.assertEqual(2, package.rules[0].contents['version'], 'Package version not bumping on changes')
def test_rule_versioning(self):
"""Test that all rules are properly versioned and tracked"""
self.maxDiff = None
rules = RuleCollection.default()
original_hashes = []
post_bump_hashes = []
# test that no rules have versions defined
for rule in rules:
self.assertGreaterEqual(rule.contents.autobumped_version, 1, '{} - {}: version is not being set in package')
original_hashes.append(rule.contents.sha256())
package = Package(rules, 'test-package')
# test that all rules have versions defined
# package.bump_versions(save_changes=False)
for rule in package.rules:
self.assertGreaterEqual(rule.contents.autobumped_version, 1, '{} - {}: version is not being set in package')
# test that rules validate with version
for rule in package.rules:
post_bump_hashes.append(rule.contents.sha256())
# test that no hashes changed as a result of the version bumps
self.assertListEqual(original_hashes, post_bump_hashes, 'Version bumping modified the hash of a rule')
# def test_version_filter(self):
# """Test that version filtering is working as expected."""
# msg = 'Package version filter failing'
#
# rules, version_info = self.get_test_rule(version=1, count=3)
# package = Package(rules, 'test', current_versions=version_info, min_version=2)
# self.assertEqual(0, len(package.rules), msg)
#
# rules, version_info = self.get_test_rule(version=5, count=3)
# package = Package(rules, 'test', current_versions=version_info, max_version=2)
# self.assertEqual(0, len(package.rules), msg)
#
# rules, version_info = self.get_test_rule(version=2, count=3)
# package = Package(rules, 'test', current_versions=version_info, min_version=1, max_version=3)
# self.assertEqual(3, len(package.rules), msg)
#
# rules, version_info = self.get_test_rule(version=1, count=3)
#
# version = 1
# for rule_id, vinfo in version_info.items():
# vinfo['version'] = version
# version += 1
#
# package = Package(rules, 'test', current_versions=version_info, min_version=2, max_version=2)
# self.assertEqual(1, len(package.rules), msg)
class TestRegistryPackage(unittest.TestCase):
"""Test the OOB registry package."""
@classmethod
def setUpClass(cls) -> None:
from detection_rules.schemas.registry_package import RegistryPackageManifest
assert 'registry_data' in package_configs, f'Missing registry_data in {PACKAGE_FILE}'
cls.registry_config = package_configs['registry_data']
RegistryPackageManifest.from_dict(cls.registry_config)
def test_registry_package_config(self):
"""Test that the registry package is validating properly."""
from marshmallow import ValidationError
from detection_rules.schemas.registry_package import RegistryPackageManifest
registry_config = self.registry_config.copy()
registry_config['version'] += '7.1.1.'
with self.assertRaises(ValidationError):
RegistryPackageManifest.from_dict(registry_config)