import hashlib import importlib.machinery import importlib.util import io import json import os from pathlib import Path import subprocess import tarfile import tempfile import unittest from contextlib import redirect_stdout from unittest import mock SCRIPT_DIR = Path(__file__).resolve().parent RUNNER_PATH = SCRIPT_DIR / "nodedc-deploy" BUILDER_PATH = ( SCRIPT_DIR / "build-engine-mcp-execution-plan-materialization-artifact.mjs" ) ENGINE_ROOT = SCRIPT_DIR.parent.parent.parent / "NODEDC_ENGINE_INFRA" PATCH_ID = "engine-mcp-execution-plan-materialization-20991231-999" def load_runner(): loader = importlib.machinery.SourceFileLoader( "nodedc_engine_mcp_execution_plan_materialization", str(RUNNER_PATH), ) spec = importlib.util.spec_from_loader(loader.name, loader) module = importlib.util.module_from_spec(spec) loader.exec_module(module) return module RUNNER = load_runner() class EngineMcpExecutionPlanMaterializationTest(unittest.TestCase): def require_current_target_source(self): for relative_path, expected in ( RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_TARGET_SHA256.items() ): if relative_path == RUNNER.ENGINE_NODE_INTELLIGENCE_DESCRIPTOR_REL: continue path = ENGINE_ROOT / relative_path if ( not path.is_file() or hashlib.sha256(path.read_bytes()).hexdigest() != expected ): self.skipTest( "execution plan materialization source has advanced" ) def build(self, artifact_dir): environment = os.environ.copy() environment["NODEDC_ENGINE_SOURCE_ROOT"] = str(ENGINE_ROOT) environment["NODEDC_DEPLOY_ARTIFACT_DIR"] = str(artifact_dir) completed = subprocess.run( ["node", str(BUILDER_PATH), PATCH_ID], check=True, capture_output=True, text=True, env=environment, ) return json.loads(completed.stdout) def test_builder_emits_exact_deterministic_backend_only_slice(self): self.require_current_target_source() with tempfile.TemporaryDirectory( prefix="nodedc-engine-mcp-execution-plan-materialization-" ) as directory: root = Path(directory) first = self.build(root / "first") second = self.build(root / "second") first_artifact = Path(first["artifact"]) second_artifact = Path(second["artifact"]) self.assertEqual(first_artifact.read_bytes(), second_artifact.read_bytes()) self.assertEqual(first["services"], ["nodedc-backend"]) self.assertEqual(first["mcpVersion"], "0.9.0") self.assertEqual( first["providerLogicAuthority"], "trusted-provider-package", ) self.assertEqual( first["unmanagedGraphPolicy"], "explicit-adoption-required", ) self.assertEqual( tuple(first["entries"]), RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_ARTIFACT_ENTRIES, ) extract = root / "extract" with tarfile.open(first_artifact, "r:gz") as archive: archive.extractall(extract, filter="data") entries = tuple( (extract / "files.txt").read_text(encoding="utf-8").splitlines() ) payload = extract / "payload" self.assertTrue( RUNNER.is_engine_mcp_execution_plan_materialization_slice( "engine", entries, ) ) self.assertFalse( RUNNER.is_engine_mcp_telemetry_catalog_slice("engine", entries) ) self.assertEqual( RUNNER.component_services("engine", entries), ("nodedc-backend",), ) RUNNER.validate_engine_mcp_execution_plan_materialization_slice( payload, entries, ) node_intelligence_descriptor = json.loads( ( payload / RUNNER.ENGINE_NODE_INTELLIGENCE_DESCRIPTOR_REL ).read_text(encoding="utf-8") ) self.assertEqual( node_intelligence_descriptor["source"]["gatewaySha256"], RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_TARGET_SHA256[ RUNNER.ENGINE_NODE_INTELLIGENCE_GATEWAY_REL ], ) with tempfile.TemporaryDirectory( prefix="nodedc-engine-mcp-execution-plan-load-" ) as load_directory: loaded = RUNNER.load_artifact( first_artifact, Path(load_directory), ) self.assertEqual(tuple(loaded[1]), entries) def test_preflight_requires_035_foundation_and_absent_new_paths(self): with tempfile.TemporaryDirectory( prefix="nodedc-engine-mcp-execution-plan-preflight-" ) as directory: root = Path(directory) hashes = {} for mapping in ( RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_PREDECESSOR_SHA256, RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_FOUNDATION_SHA256, ): for relative_path, expected in mapping.items(): path = root / relative_path path.parent.mkdir(parents=True, exist_ok=True) path.write_text("installed\n", encoding="utf-8") hashes[path] = expected with ( mock.patch.object(RUNNER, "component_root", return_value=root), mock.patch.object( RUNNER, "sha256_file", side_effect=lambda path: hashes[Path(path)], ), mock.patch.object( RUNNER, "preflight_engine_credential_backend_runtime", return_value={"mode": "verified-derived-retry"}, ), ): result = ( RUNNER .preflight_engine_mcp_execution_plan_materialization_predecessor() ) self.assertEqual( result["mode"], "telemetry-catalog-v1-to-execution-plan-materialization-v1", ) self.assertEqual( result["foundation_sha256"], RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_FOUNDATION_SHA256, ) new_path = ( root / RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_NEW_PATHS[0] ) new_path.parent.mkdir(parents=True, exist_ok=True) new_path.write_text("{}\n", encoding="utf-8") with ( mock.patch.object(RUNNER, "component_root", return_value=root), mock.patch.object( RUNNER, "sha256_file", side_effect=lambda path: hashes[Path(path)], ), ): with self.assertRaises(RUNNER.DeployError): ( RUNNER .preflight_engine_mcp_execution_plan_materialization_predecessor() ) def test_plan_renders_external_two_phase_boundary(self): self.require_current_target_source() with tempfile.TemporaryDirectory( prefix="nodedc-engine-mcp-execution-plan-plan-" ) as directory: root = Path(directory) artifact = Path(self.build(root / "artifacts")["artifact"]) live_root = root / "live" live_root.mkdir() preflight = { "mode": "telemetry-catalog-v1-to-execution-plan-materialization-v1", "predecessor_sha256": dict( RUNNER .ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_PREDECESSOR_SHA256 ), "foundation_sha256": dict( RUNNER .ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_FOUNDATION_SHA256 ), "target_sha256": dict( RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_TARGET_SHA256 ), "new_paths": tuple( RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_NEW_PATHS ), "backend_mode": "verified-derived-retry", } output = io.StringIO() with ( mock.patch.object(RUNNER, "validate_artifact_location"), mock.patch.object(RUNNER, "ensure_layout"), mock.patch.object(RUNNER, "TMP_DIR", root), mock.patch.object(RUNNER, "component_root", return_value=live_root), mock.patch.object( RUNNER, "component_compose_root", return_value=live_root, ), mock.patch.object( RUNNER, "preflight_engine_mcp_execution_plan_materialization_predecessor", return_value=preflight, ), mock.patch.object( RUNNER, "preflight_engine_credential_backend_runtime", return_value={"mode": "verified-derived-retry"}, ), mock.patch.object(RUNNER, "state_has_sha", return_value=False), mock.patch.object(RUNNER, "state_has_patch_id", return_value=False), redirect_stdout(output), ): RUNNER.plan_artifact(artifact) plan = output.getvalue() self.assertIn("services=nodedc-backend", plan) self.assertIn("engine_mcp_version=0.9.0", plan) self.assertIn("engine_mcp_surface=external-codex", plan) self.assertIn( "engine_mcp_provider_logic_authority=trusted-provider-package", plan, ) self.assertIn( "engine_mcp_unmanaged_graph_policy=explicit-adoption-required", plan, ) self.assertIn("engine_mcp_plan_phase=read-only", plan) self.assertIn("engine_mcp_apply_phase=opaque-plan-ref-only", plan) self.assertIn("l2_graph=untouched", plan) self.assertIn("embedded_ai_workspace=untouched", plan) self.assertIn("state=new", plan) def test_healthchecks_dispatch_materialization_acceptance(self): entries = ( RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_ARTIFACT_ENTRIES ) with tempfile.TemporaryDirectory( prefix="nodedc-engine-mcp-execution-plan-health-" ) as directory: root = Path(directory) all_hashes = { **RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_TARGET_SHA256, **RUNNER.ENGINE_MCP_EXECUTION_PLAN_MATERIALIZATION_FOUNDATION_SHA256, } for relative_path in all_hashes: path = root / relative_path path.parent.mkdir(parents=True, exist_ok=True) path.write_text("target\n", encoding="utf-8") def target_hash(path): relative_path = Path(path).relative_to(root).as_posix() return all_hashes[relative_path] with ( mock.patch.object(RUNNER, "component_root", return_value=root), mock.patch.object(RUNNER, "sha256_file", side_effect=target_hash), mock.patch.object(RUNNER, "healthcheck_compose_service"), mock.patch.object(RUNNER, "component_healthchecks", return_value=()), mock.patch.object( RUNNER, "preflight_engine_credential_backend_runtime", return_value={"mode": "verified-derived-retry"}, ), mock.patch.object( RUNNER, "accept_engine_mcp_execution_plan_materialization_runtime", return_value={"live": "accepted"}, ) as acceptance, mock.patch.object(RUNNER, "healthcheck_container"), ): RUNNER.run_healthchecks( "engine", entries, ("nodedc-backend",), ) acceptance.assert_called_once_with() def test_live_acceptance_probes_provider_neutral_two_phase_contract(self): expected_live = ( "engine-mcp-execution-plan-materialization:" "0.9.0:provider-package-authority:two-phase:v1" ) with ( mock.patch.object(RUNNER, "component_root", return_value=ENGINE_ROOT), mock.patch.object( RUNNER, "validate_engine_mcp_execution_plan_materialization_slice", ), mock.patch.object( RUNNER, "engine_backend_container_id", return_value="backend", ), mock.patch.object( RUNNER, "run_engine_backend_probe", return_value=expected_live, ) as backend_probe, ): result = ( RUNNER .accept_engine_mcp_execution_plan_materialization_runtime() ) self.assertEqual(result["live"], expected_live) self.assertEqual( backend_probe.call_args.args[1], "Engine MCP execution plan materialization", ) probe_source = backend_probe.call_args.args[0][-1] self.assertIn( "engine_plan_l2_execution_plan_materialization", probe_source, ) self.assertIn("unmanaged_existing", probe_source) self.assertIn("additionalProperties!==false", probe_source) if __name__ == "__main__": unittest.main(verbosity=2)