Files
Unraid-AppOps-Gateway-Public/backend/tests/test_mcp_hub_candidate_preparation.py
T

704 lines
27 KiB
Python

from __future__ import annotations
import hashlib
import importlib
import json
import os
import subprocess
import sys
import types
from datetime import datetime, timezone
from pathlib import Path
import pytest
ROOT = Path(__file__).resolve().parents[2]
BROKER_DIR = ROOT / "ops" / "gitea-deploy-broker"
@pytest.fixture
def modules(monkeypatch):
if "fcntl" not in sys.modules:
shim = types.ModuleType("fcntl")
shim.LOCK_EX, shim.LOCK_UN, shim.flock = 2, 8, lambda *_args: None
monkeypatch.setitem(sys.modules, "fcntl", shim)
monkeypatch.syspath_prepend(str(BROKER_DIR))
sys.modules.pop("deploy", None)
sys.modules.pop("prepare_mcp_hub_candidate", None)
controller = importlib.import_module("deploy")
utility = importlib.import_module("prepare_mcp_hub_candidate")
monkeypatch.setattr(utility, "_is_host_root", lambda: True)
yield controller, utility
sys.modules.pop("prepare_mcp_hub_candidate", None)
sys.modules.pop("deploy", None)
@pytest.fixture
def harness(modules, tmp_path, monkeypatch):
controller, utility = modules
revision = "a" * 40
epoch = "1790888863"
now = (
datetime.now(timezone.utc)
.isoformat(timespec="milliseconds")
.replace("+00:00", "Z")
)
metadata = {
"id": revision[:12],
"repository": controller.MCP_HUB_REPOSITORY,
"revision": revision,
"tree": "b" * 40,
"treeDigest": hashlib.sha256(("git-tree:" + "b" * 40).encode()).hexdigest(),
"builtAt": now,
}
repo = tmp_path / "hub.git"
project = {
"branch": "main",
"slug": controller.MCP_HUB_PROJECT,
"compose_project": controller.MCP_HUB_PROJECT,
"containers": list(controller.MCP_HUB_CONTAINERS),
"_mcp_hub_contract": controller.MCP_HUB_TOPOLOGY_CONTRACT,
"_repository_path": str(repo),
"repo_name": "itworx_mcp_hub",
}
state = types.SimpleNamespace(
source=tmp_path / "releases" / revision,
compose_marker="baseline",
images={},
mutations=[],
inspect_calls=[],
)
state.source.mkdir(parents=True)
(state.source / "scripts").mkdir()
draft = state.source / "scripts" / "draft_cve_exceptions.py"
draft.write_text(
"import argparse, json\n"
"from datetime import date, timedelta\n"
"from pathlib import Path\n"
"p=argparse.ArgumentParser()\n"
"p.add_argument('--scan-summary', required=True)\n"
"p.add_argument('--image-digests', required=True)\n"
"p.add_argument('--evidence-reference', required=True)\n"
"p.add_argument('--output', required=True)\n"
"a=p.parse_args()\n"
"scan=json.loads(Path(a.scan_summary).read_text())\n"
"digest=json.loads(Path(a.image_digests).read_text())['images']\n"
"exceptions=[]\n"
"for row in scan['unresolvedCriticalOrHigh']:\n"
" refs=set(row['affectedImages'])\n"
" affected={s:v['imageId'] for s,v in digest.items() if v['tag'] in refs}\n"
" for cve in row['cves']:\n"
" exceptions.append({'id':row['package']+'-'+cve,'package':row['package'],'cve':cve,\n"
" 'installedVersion':row['installedVersion'],'severity':row['severity'],\n"
" 'approvalStatus':'pending','riskOwner':'','approver':'','affectedImageDigests':affected,\n"
" 'evidenceReference':a.evidence_reference})\n"
"Path(a.output).write_text(json.dumps({'schemaVersion':'1.0','exceptions':exceptions}))\n"
"",
encoding="utf-8",
)
raw_project = dict(project)
monkeypatch.setattr(controller, "STATE_ROOT", tmp_path)
monkeypatch.setattr(controller, "MCP_HUB_RELEASES_ROOT", tmp_path / "releases")
monkeypatch.setattr(controller, "_mcp_hub_require_trusted_state_root", lambda: None)
monkeypatch.setattr(controller, "_mcp_hub_require_no_posix_acl", lambda _path: None)
monkeypatch.setattr(controller, "_root_owned", lambda _path: True)
monkeypatch.setattr(
controller,
"load_projects",
lambda: {controller.MCP_HUB_REPOSITORY: raw_project},
)
monkeypatch.setattr(
controller, "effective_mcp_hub_project", lambda repository, value: dict(value)
)
monkeypatch.setattr(
controller, "repository_path", lambda _repository, _project: repo
)
monkeypatch.setattr(controller, "output", lambda _args: revision)
monkeypatch.setattr(
controller,
"validate_commit",
lambda _repo, branch, commit: commit if branch == "main" else "",
)
monkeypatch.setattr(
controller, "deployment_metadata", lambda *_args, **_kwargs: dict(metadata)
)
monkeypatch.setattr(controller, "mcp_hub_source_date_epoch", lambda *_args: epoch)
def stage(_project, _repo, commit):
assert commit == revision
return state.source
monkeypatch.setattr(controller, "mcp_hub_stage_release_source", stage)
monkeypatch.setattr(
controller, "exact_source_matches_revision", lambda *_args: True
)
monkeypatch.setattr(
controller, "_mcp_hub_verify_release_tree_metadata", lambda *_args: None
)
monkeypatch.setattr(controller, "mcp_hub_validate_secret_files", lambda _model: 21)
def rendered(project_arg, commit, repository):
assert commit == revision
assert repository == controller.MCP_HUB_REPOSITORY
services = {}
for index, service in enumerate(controller.MCP_HUB_SERVICES, 1):
if service in controller.MCP_HUB_OWNED_IMAGE_REPOSITORIES:
local = controller.MCP_HUB_LOCAL_BUILD_IMAGE_REPOSITORIES.get(service)
reference = (
f"{local}:{revision[:12]}"
if local
else f"{controller.MCP_HUB_OWNED_IMAGE_REPOSITORIES[service]}@sha256:{index:064x}"
)
elif service == "contextforge":
reference = f"itworx-mcp-hub/contextforge-schema:{revision}"
elif service == "ingestion-clamd":
reference = controller.MCP_HUB_INTAKE_CLAMAV_IMAGE
elif service == "postgres":
reference = controller.MCP_HUB_POSTGRES_IMAGE
elif service == "redis":
reference = controller.MCP_HUB_REDIS_IMAGE
else:
reference = f"fixture/{service}@sha256:{index:064x}"
services[service] = {"image": reference}
return {"services": services, "testMarker": state.compose_marker}
monkeypatch.setattr(controller, "mcp_hub_compose_model", rendered)
def inspect(reference):
state.inspect_calls.append(reference)
return state.images.get(reference)
monkeypatch.setattr(controller, "inspect_image", inspect)
monkeypatch.setattr(
controller, "run", lambda *_args, **_kwargs: state.mutations.append("run")
)
monkeypatch.setattr(utility, "_is_host_root", lambda: True)
plan = utility.plan_candidate(controller.MCP_HUB_REPOSITORY, revision)
candidate_dir = tmp_path / "mcp-hub-release-candidates" / revision
plan_doc = json.loads((candidate_dir / "build.json").read_text())
model = rendered(project, revision, controller.MCP_HUB_REPOSITORY)
labels = {
"org.opencontainers.image.source": controller.MCP_HUB_OCI_IMAGE_SOURCE,
"org.opencontainers.image.revision": revision,
"org.opencontainers.image.source-tree": metadata["tree"],
"org.opencontainers.image.version": metadata["id"],
"org.opencontainers.image.created": metadata["builtAt"],
"org.opencontainers.image.source-date-epoch": epoch,
}
for index, service in enumerate(controller.MCP_HUB_SERVICES, 1):
reference = model["services"][service]["image"]
image_id = "sha256:" + f"{index:064x}"
config = {"User": "10001:10001"}
if (
service in controller.MCP_HUB_OWNED_IMAGE_REPOSITORIES
or service == "contextforge"
):
config["Labels"] = dict(labels)
state.images[reference] = {"Id": image_id, "Config": config}
def write_input(name: str, value: object) -> Path:
path = candidate_dir / name
data = (
json.dumps(value, sort_keys=True, separators=(",", ":")) + "\n"
).encode()
descriptor = os.open(path, os.O_WRONLY | os.O_CREAT | os.O_EXCL, 0o600)
with os.fdopen(descriptor, "wb") as handle:
handle.write(data)
path.chmod(0o600)
return path
for index, service in enumerate(controller.MCP_HUB_SERVICES, 1):
image_id = "sha256:" + f"{index:064x}"
vuln = {
"SchemaVersion": 2,
"Trivy": {"Version": "0.73.0"},
"CreatedAt": now,
"Metadata": {
"ImageID": image_id,
"ImageConfig": {"architecture": "amd64", "os": "linux"},
},
"Results": [
{
"Class": "os-pkgs",
"Packages": [{"Name": "fixture", "Version": "1"}],
"Vulnerabilities": [],
}
],
}
secret = {
"ImageID": image_id,
"CreatedAt": now,
"TrivyVersion": "0.73.0",
"FindingCount": 0,
"SensitiveFindingDetailsPersisted": False,
"Results": [{"FindingCount": 0}],
}
write_input(f"vulnerability-{service}.json", vuln)
write_input(f"secret-{service}.json", secret)
write_input("trivy-db-metadata.json", {"UpdatedAt": now, "DownloadedAt": now})
# The reports must match the IDs in the final inspect inventory. Keep a
# convenient writer for intentional drift cases in each test.
monkeypatch.setattr(utility, "_test_write_input", write_input, raising=False)
yield types.SimpleNamespace(
controller=controller,
utility=utility,
revision=revision,
epoch=epoch,
metadata=metadata,
project=project,
state=state,
candidate_dir=candidate_dir,
model=model,
write_input=write_input,
now=now,
plan=plan,
plan_doc=plan_doc,
)
def test_plan_freezes_protected_metadata_without_candidate_or_approval(harness):
h = harness
document = json.loads((h.candidate_dir / "build.json").read_text())
assert document["schema"] == "itworx.mcp-hub-build-plan/v1"
assert document["repository"] == h.controller.MCP_HUB_REPOSITORY
assert document["revision"] == h.revision
assert document["build"] == h.metadata
assert document["sourceDateEpoch"] == h.epoch
assert len(document["composeSha256"]) == 64
assert not (h.candidate_dir / "candidate.json").exists()
assert not (h.candidate_dir / "approval.json").exists()
assert h.state.mutations == []
def test_plan_candidate_freezes_the_selected_workflow_creation_timestamp(
harness, monkeypatch
):
h = harness
revision = h.revision
built_at = "2026-10-03T12:34:56.789Z"
observed = []
metadata = {
"id": revision[:12],
"repository": h.controller.MCP_HUB_REPOSITORY,
"revision": revision,
"tree": "d" * 40,
"treeDigest": hashlib.sha256(("git-tree:" + "d" * 40).encode()).hexdigest(),
"builtAt": built_at,
}
monkeypatch.setattr(h.controller, "output", lambda _args: revision)
monkeypatch.setattr(h.controller, "validate_commit", lambda _repo, _branch, commit: commit)
def deployment_metadata(_repo, supplied_revision, repository, *, built_at=None):
observed.append(built_at)
assert supplied_revision == revision
assert repository == h.controller.MCP_HUB_REPOSITORY
return dict(metadata)
monkeypatch.setattr(h.controller, "deployment_metadata", deployment_metadata)
monkeypatch.setattr(h.controller, "mcp_hub_stage_release_source", lambda *_args: h.state.source)
monkeypatch.setattr(h.controller, "exact_source_matches_revision", lambda *_args: True)
compose_calls = []
def fixed_compose_modeler(project, revision, repository):
compose_calls.append((project, revision, repository))
return {
"services": {
service: {"image": f"fixture/{service}:candidate"}
for service in h.controller.MCP_HUB_SERVICES
}
}
monkeypatch.setattr(
h.controller,
"mcp_hub_compose_model",
lambda *_args: pytest.fail("plan used the ambient Compose renderer"),
)
staging = (
h.controller.STATE_ROOT
/ "mcp-hub-release-imports"
/ revision
/ ("1" * 32)
/ revision
)
h.utility.plan_candidate(
h.controller.MCP_HUB_REPOSITORY,
revision,
built_at=built_at,
staging_directory=staging,
compose_modeler=fixed_compose_modeler,
)
plan = json.loads(
(staging / "build.json").read_text()
)
assert observed == [built_at]
assert plan["build"]["builtAt"] == built_at
assert len(compose_calls) == 1
def test_candidate_preparation_rejects_staging_path_outside_private_import_anchor(
harness,
):
h = harness
revision = h.revision
staging = h.controller.STATE_ROOT / "outside-imports" / revision
with pytest.raises(h.controller.DeployError, match="private anchor|staging path"):
h.utility.plan_candidate(
h.controller.MCP_HUB_REPOSITORY,
revision,
staging_directory=staging,
)
assert not staging.exists()
def test_candidate_preparation_rejects_symlinked_staging_destination(harness):
h = harness
revision = h.revision
anchor = h.controller.STATE_ROOT / "mcp-hub-release-imports" / revision
token = anchor / ("2" * 32)
token.mkdir(parents=True, mode=0o700)
target = h.controller.STATE_ROOT / "untrusted-target"
target.mkdir(mode=0o700)
staging = token / revision
staging.symlink_to(target, target_is_directory=True)
with pytest.raises(h.controller.DeployError):
h.utility.plan_candidate(
h.controller.MCP_HUB_REPOSITORY,
revision,
staging_directory=staging,
)
def test_candidate_preparation_rejects_nonprivate_staging_parent(harness):
h = harness
revision = h.revision
anchor = h.controller.STATE_ROOT / "mcp-hub-release-imports" / revision
token = anchor / ("3" * 32)
token.mkdir(parents=True, mode=0o700)
token.chmod(0o755)
staging = token / revision
with pytest.raises(h.controller.DeployError, match="private|safe|canonical"):
h.utility.plan_candidate(
h.controller.MCP_HUB_REPOSITORY,
revision,
staging_directory=staging,
)
def test_wrong_repository_and_nonroot_fail_before_controller_access(
modules, monkeypatch
):
controller, utility = modules
monkeypatch.setattr(utility, "_is_host_root", lambda: True)
monkeypatch.setattr(
controller, "load_projects", lambda: pytest.fail("must reject repo first")
)
with pytest.raises(controller.DeployError, match="fixed MCP Hub repository"):
utility.plan_candidate("someone/else", "a" * 40)
monkeypatch.setattr(utility, "_is_host_root", lambda: False)
with pytest.raises(controller.DeployError, match="root"):
utility.plan_candidate(controller.MCP_HUB_REPOSITORY, "a" * 40)
def test_non_exact_main_head_is_denied_before_staging(modules, monkeypatch, tmp_path):
controller, utility = modules
monkeypatch.setattr(utility, "_is_host_root", lambda: True)
project = {
"branch": "main",
"_mcp_hub_contract": controller.MCP_HUB_TOPOLOGY_CONTRACT,
}
monkeypatch.setattr(
controller, "load_projects", lambda: {controller.MCP_HUB_REPOSITORY: project}
)
monkeypatch.setattr(
controller, "effective_mcp_hub_project", lambda _repo, value: value
)
monkeypatch.setattr(
controller, "repository_path", lambda *_args: tmp_path / "hub.git"
)
monkeypatch.setattr(controller, "output", lambda _args: "c" * 40)
monkeypatch.setattr(
controller,
"mcp_hub_stage_release_source",
lambda *_args: pytest.fail("must not stage"),
)
with pytest.raises(controller.DeployError, match="exact protected main head"):
utility.plan_candidate(controller.MCP_HUB_REPOSITORY, "a" * 40)
def test_capture_emits_candidate_and_pending_only_envelope_without_apply_calls(
harness, monkeypatch
):
h = harness
calls = []
original_run = h.utility.subprocess.run
def observe_draft(command, **kwargs):
calls.append((command, kwargs))
return original_run(command, **kwargs)
monkeypatch.setattr(h.utility.subprocess, "run", observe_draft)
result = h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
candidate = json.loads((h.candidate_dir / "candidate.json").read_text())
exceptions = json.loads((h.candidate_dir / "exceptions.json").read_text())
digests = json.loads((h.candidate_dir / "image-digests.json").read_text())
assert result["status"] == "pending_review"
assert set(candidate["images"]) == set(h.controller.MCP_HUB_SERVICES)
assert digests["images"]["web"]["tag"] == candidate["images"]["web"]["imageRef"]
assert digests["images"]["web"]["imageId"] == candidate["images"]["web"]["imageId"]
candidate_bytes = (h.candidate_dir / "candidate.json").read_bytes()
exceptions_bytes = (h.candidate_dir / "exceptions.json").read_bytes()
assert result["candidateSha256"] == hashlib.sha256(candidate_bytes).hexdigest()
assert result["exceptionsSha256"] == hashlib.sha256(exceptions_bytes).hexdigest()
assert not (h.candidate_dir / "approval.json").exists()
assert all(item["approvalStatus"] == "pending" for item in exceptions["exceptions"])
assert h.state.mutations == []
assert len(h.state.inspect_calls) == 17
assert len(calls) == 1
assert (
Path(calls[0][0][1]) == h.state.source / "scripts" / "draft_cve_exceptions.py"
)
assert calls[0][1]["stdout"] is subprocess.DEVNULL
assert calls[0][1]["stderr"] is subprocess.DEVNULL
assert set(calls[0][1]["env"]) == {
"PATH",
"PYTHONDONTWRITEBYTECODE",
"PYTHONIOENCODING",
}
def test_capture_can_use_the_importers_fixed_image_inspector(harness, monkeypatch):
h = harness
inspected = []
def fixed_inspector(reference):
inspected.append(reference)
return h.state.images.get(reference)
monkeypatch.setattr(
h.controller,
"inspect_image",
lambda _reference: pytest.fail("capture used the ambient Docker context"),
)
monkeypatch.setattr(
h.controller,
"mcp_hub_compose_model",
lambda *_args: pytest.fail("capture used the ambient Compose renderer"),
)
result = h.utility.capture_candidate(
h.controller.MCP_HUB_REPOSITORY,
h.revision,
image_inspector=fixed_inspector,
compose_modeler=lambda *_args: h.model,
)
assert result["status"] == "pending_review"
assert len(inspected) == 17
assert set(inspected) == {
row["image"] for row in h.model["services"].values()
}
@pytest.mark.parametrize("mutation", ["label", "root"])
def test_capture_rejects_contextforge_provenance_drift_without_candidate(
harness, mutation
):
h = harness
reference = h.model["services"]["contextforge"]["image"]
config = h.state.images[reference]["Config"]
if mutation == "label":
config["Labels"]["org.opencontainers.image.source-tree"] = "wrong"
else:
config["User"] = "0:10001"
with pytest.raises(h.controller.DeployError, match="provenance|non-root runtime"):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
assert not (h.candidate_dir / "approval.json").exists()
assert h.state.mutations == []
def test_pending_high_findings_are_drafted_from_the_exact_staged_source(harness):
h = harness
report_path = h.candidate_dir / "vulnerability-web.json"
report = json.loads(report_path.read_text())
report["Results"][0]["Vulnerabilities"] = [
{
"PkgName": "libfixture",
"VulnerabilityID": "CVE-2026-12345",
"InstalledVersion": "1.2.3",
"Severity": "HIGH",
}
]
report_path.unlink()
h.write_input(report_path.name, report)
result = h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
candidate = json.loads((h.candidate_dir / "candidate.json").read_text())
summary = json.loads((h.candidate_dir / "scan-summary.json").read_text())
exceptions = json.loads((h.candidate_dir / "exceptions.json").read_text())[
"exceptions"
]
row = summary["unresolvedCriticalOrHigh"][0]
assert row["affectedImages"] == [candidate["images"]["web"]["imageRef"]]
assert exceptions[0]["approvalStatus"] == "pending"
assert exceptions[0]["package"] == "libfixture"
assert exceptions[0]["cve"] == "CVE-2026-12345"
assert exceptions[0]["affectedImageDigests"] == {
"web": candidate["images"]["web"]["imageId"]
}
assert result["status"] == "pending_review"
assert not h.state.mutations
def test_findings_for_same_cve_at_distinct_versions_remain_distinct(harness):
h = harness
for service, version in (("web", "1.2.3"), ("worker", "4.5.6")):
path = h.candidate_dir / f"vulnerability-{service}.json"
report = json.loads(path.read_text())
report["Results"][0]["Vulnerabilities"] = [
{
"PkgName": "libfixture",
"VulnerabilityID": "CVE-2026-12345",
"InstalledVersion": version,
"Severity": "HIGH",
}
]
path.unlink()
h.write_input(path.name, report)
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
summary = json.loads((h.candidate_dir / "scan-summary.json").read_text())
assert {row["installedVersion"] for row in summary["unresolvedCriticalOrHigh"]} == {
"1.2.3",
"4.5.6",
}
def test_same_package_cve_version_with_conflicting_severity_fails_closed(harness):
h = harness
for service, severity in (("web", "HIGH"), ("worker", "CRITICAL")):
path = h.candidate_dir / f"vulnerability-{service}.json"
report = json.loads(path.read_text())
report["Results"][0]["Vulnerabilities"] = [
{
"PkgName": "libfixture",
"VulnerabilityID": "CVE-2026-12345",
"InstalledVersion": "1.2.3",
"Severity": severity,
}
]
path.unlink()
h.write_input(path.name, report)
with pytest.raises(h.controller.DeployError, match="conflicting scan severities"):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
def test_draft_for_all_images_is_rejected_when_finding_scope_is_narrower(harness):
h = harness
path = h.candidate_dir / "vulnerability-web.json"
report = json.loads(path.read_text())
report["Results"][0]["Vulnerabilities"] = [
{
"PkgName": "libfixture",
"VulnerabilityID": "CVE-2026-12345",
"InstalledVersion": "1.2.3",
"Severity": "HIGH",
}
]
path.unlink()
h.write_input(path.name, report)
draft_script = h.state.source / "scripts" / "draft_cve_exceptions.py"
draft_script.write_text(
draft_script.read_text().replace("if v['tag'] in refs", "if True"),
encoding="utf-8",
)
with pytest.raises(h.controller.DeployError, match="pending-only document"):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
def test_missing_scan_report_fails_without_publishing_candidate(harness):
h = harness
(h.candidate_dir / "secret-web.json").unlink()
with pytest.raises(h.controller.DeployError):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
assert not (h.candidate_dir / "approval.json").exists()
assert h.state.mutations == []
def test_frozen_compose_drift_and_image_identity_drift_fail_closed(harness):
h = harness
h.state.compose_marker = "changed"
with pytest.raises(h.controller.DeployError, match="Compose"):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
h.state.compose_marker = "baseline"
web_ref = h.model["services"]["web"]["image"]
h.state.images[web_ref]["Id"] = "sha256:" + "f" * 64
with pytest.raises(h.controller.DeployError):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
def test_fixable_critical_or_high_finding_is_not_captured(harness):
h = harness
path = h.candidate_dir / "vulnerability-web.json"
report = json.loads(path.read_text())
report["Results"][0]["Vulnerabilities"] = [
{
"PkgName": "libfixture",
"VulnerabilityID": "CVE-2026-12345",
"InstalledVersion": "1.2.3",
"FixedVersion": "1.2.4",
"Severity": "CRITICAL",
}
]
path.unlink()
h.write_input(path.name, report)
with pytest.raises(h.controller.DeployError, match="fixable"):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert not (h.candidate_dir / "candidate.json").exists()
def test_capture_never_overwrites_existing_records(harness):
h = harness
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
original = (h.candidate_dir / "candidate.json").read_bytes()
with pytest.raises(h.controller.DeployError):
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
assert (h.candidate_dir / "candidate.json").read_bytes() == original
assert h.state.mutations == []
def test_capture_preserves_full_supported_trivy_database_metadata(harness):
h = harness
path = h.candidate_dir / "trivy-db-metadata.json"
path.unlink()
metadata = {
"UpdatedAt": h.now,
"DownloadedAt": h.now,
"Version": 2,
"NextUpdate": h.now,
}
h.write_input(path.name, metadata)
h.utility.capture_candidate(h.controller.MCP_HUB_REPOSITORY, h.revision)
candidate = json.loads((h.candidate_dir / "candidate.json").read_text())
assert (
candidate["databaseMetadataSha256"]
== hashlib.sha256(path.read_bytes()).hexdigest()
)
assert json.loads(path.read_text()) == metadata
def test_cli_requires_explicit_fixed_target_and_subcommand(modules, monkeypatch):
_controller, utility = modules
monkeypatch.setattr(utility, "_is_host_root", lambda: False)
with pytest.raises(SystemExit):
utility.main([])
monkeypatch.setattr(utility, "_is_host_root", lambda: True)
assert (
utility.main(["plan", "--repository", "other/repo", "--revision", "a" * 40])
== 2
)