| import hashlib |
| import json |
| from pathlib import Path |
| import tempfile |
| import unittest |
| import sys |
| sys.path.insert(0,str(Path(__file__).resolve().parent/'reusable_support')) |
| from batch05_runtime_resources import validate_runtime_descriptor,verify_runtime_files |
|
|
|
|
| class ResourceBindingTests(unittest.TestCase): |
| def descriptor(self,root): |
| data=b'{}\n';(root/'bundle-manifest.json').write_bytes(data) |
| h=hashlib.sha256(data).hexdigest() |
| return dict(kind='frozen-evaluator-dependencies',image_ref='example/repo@sha256:'+'1'*64,container_path='/crossswe-evaluator',manifest_sha256=h,files=[dict(path='bundle-manifest.json',kind='file',bytes=len(data),sha256=h)]) |
|
|
| def test_rejects_tampered_or_extra_dependency_bytes(self): |
| with tempfile.TemporaryDirectory() as d: |
| root=Path(d);r=self.descriptor(root);verify_runtime_files(root,r) |
| (root/'bundle-manifest.json').write_bytes(b'bad') |
| with self.assertRaises(AssertionError):verify_runtime_files(root,r) |
| r=self.descriptor(root);(root/'extra').write_text('x') |
| with self.assertRaises(AssertionError):verify_runtime_files(root,r) |
|
|
| def test_rejects_path_escape_and_mutable_reference(self): |
| with tempfile.TemporaryDirectory() as d: |
| r=self.descriptor(Path(d));r['files'][0]['path']='../outside' |
| with self.assertRaises(AssertionError):validate_runtime_descriptor(r) |
| r=self.descriptor(Path(d));r['image_ref']='example/repo:latest' |
| with self.assertRaises(AssertionError):validate_runtime_descriptor(r) |
|
|
| def test_checks_symlink_metadata_without_reading_target(self): |
| with tempfile.TemporaryDirectory() as d: |
| root=Path(d);r=self.descriptor(root);target='/not-a-host-dependency' |
| (root/'link').symlink_to(target);r['files'].append(dict(path='link',kind='symlink',target=target,bytes=len(target),sha256=hashlib.sha256(target.encode()).hexdigest())) |
| verify_runtime_files(root,r) |
| (root/'link').unlink();(root/'link').symlink_to('/other') |
| with self.assertRaises(AssertionError):verify_runtime_files(root,r) |
|
|
