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205 lines
14 KiB
Python
205 lines
14 KiB
Python
"""Host worker tests: python3 -m unittest discover -s deploy -p 'test_*.py'."""
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import importlib.util
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import json
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import subprocess
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import tempfile
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import unittest
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import shutil
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import sys
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from pathlib import Path
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from unittest.mock import patch
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spec = importlib.util.spec_from_file_location("server_agent", Path(__file__).with_name("server-agent.py"))
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agent_module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(agent_module)
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Agent, ManagementError = agent_module.Agent, agent_module.ManagementError
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class AgentTests(unittest.TestCase):
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def setUp(self):
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self.temp = tempfile.TemporaryDirectory()
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self.addCleanup(self.temp.cleanup)
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self.root = Path(self.temp.name)
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self.deploy, self.mailbox, self.private = [self.root / n for n in ("deploy", "mailbox", "private")]
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for directory in (self.deploy, self.mailbox, self.private):
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directory.mkdir()
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self.schema = [
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{"key": "LOG_LEVEL", "group": "api", "type": "string", "default_value": "info", "secret": False, "readonly": False},
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{"key": "GITEA_TOKEN", "group": "api", "type": "string", "default_value": "", "secret": True, "readonly": False},
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{"key": "TRAIN_HOUR", "group": "recommender", "type": "integer", "default_value": "3", "secret": False, "readonly": False},
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{"key": "PIPU_DATA", "group": "deployment", "type": "string", "default_value": "/srv/pipu", "secret": False, "readonly": True},
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]
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(self.deploy / "config.schema.json").write_text(json.dumps(self.schema), encoding="utf-8")
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(self.deploy / "config.local").write_text("", encoding="utf-8")
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(self.deploy / ".env").write_text("LOG_LEVEL=warn\nGITEA_TOKEN=top-secret\n", encoding="utf-8")
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self.agent = Agent(self.deploy, self.mailbox, self.private)
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self.running_commit = "0" * 40
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self.agent.installed_commit = lambda body: body.get("_running_commit", self.running_commit)
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self.agent.save("sources.json", [{"id": "origin", "name": "origin", "url": "https://example.org/o/pipu.git"}])
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def test_unchanged_configuration_needs_no_restart_even_without_saved_baseline(self):
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self.assertFalse(self.agent.config()["restart_required"])
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with patch.object(self.agent, "command", return_value=""):
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result = self.agent.save_config({"revision": self.agent.revision(), "values": {"LOG_LEVEL": "debug"}})
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self.assertFalse(result["restart_required"], "LOG_LEVEL is overridden by .env")
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def test_returning_to_applied_values_removes_pending_restart(self):
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self.assertFalse(self.agent.config()["restart_required"])
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with patch.object(self.agent, "command", return_value=""):
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changed = self.agent.save_config({"revision": self.agent.revision(), "values": {"TRAIN_HOUR": "6"}})
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self.assertTrue(changed["restart_required"])
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restored = self.agent.save_config({"revision": changed["revision"], "values": {"TRAIN_HOUR": None}})
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self.assertFalse(restored["restart_required"])
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def test_explicit_default_value_does_not_require_a_restart(self):
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self.assertFalse(self.agent.config()["restart_required"])
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with patch.object(self.agent, "command", return_value=""):
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result = self.agent.save_config({"revision": self.agent.revision(), "values": {"TRAIN_HOUR": "3"}})
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self.assertFalse(result["restart_required"])
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def test_update_check_and_start_both_reject_installed_main_commit(self):
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refs = {"refs/heads/main": self.running_commit}
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body = {"source_id": "origin", "channel": "main"}
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with patch.object(self.agent, "refs", return_value=refs), patch.object(self.agent, "start_job") as start:
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self.assertEqual("current", self.agent.handle("updates.get", body)["update_state"])
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with self.assertRaises(ManagementError) as error:
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self.agent.handle("updates.start", body)
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self.assertEqual("management.already_installed", error.exception.code)
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start.assert_not_called()
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def test_check_distinguishes_missing_selection_and_changed_target(self):
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with patch.object(self.agent, "refs", return_value={"refs/heads/main": "a" * 40}), patch.object(self.agent, "start_job") as start:
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self.assertEqual("select_version", self.agent.handle("updates.get", {"channel": "version"})["update_state"])
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with self.assertRaises(ManagementError) as error:
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self.agent.handle("updates.start", {"channel": "main", "expected_commit": "b" * 40})
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self.assertEqual("management.target_changed", error.exception.code)
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start.assert_not_called()
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def test_unknown_installed_commit_and_older_release_cannot_be_installed(self):
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with patch.object(self.agent, "refs", return_value={"refs/tags/v1.8.0": "a" * 40}), patch.object(self.agent, "start_job") as start:
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for body, state in [({"_running_commit": ""}, "unknown"), ({"_running_version": "1.9.0-1-gbc55528"}, "ahead")]:
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self.assertEqual(state, self.agent.handle("updates.get", body)["update_state"])
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with self.assertRaises(ManagementError):
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self.agent.handle("updates.start", body)
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start.assert_not_called()
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def test_installed_identity_uses_running_build_and_resolves_legacy_describe(self):
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with patch.object(self.agent, "command", return_value="a" * 40) as command:
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self.assertEqual("b" * 40, Agent.installed_commit(self.agent, {"_running_commit": "b" * 40}))
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command.assert_not_called()
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self.assertEqual("a" * 40, Agent.installed_commit(self.agent, {"_running_version": "1.9.0-1-gbc55528"}))
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self.assertEqual("bc55528^{commit}", command.call_args.args[0][-1])
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self.assertEqual("a" * 40, Agent.installed_commit(self.agent, {"_running_version": "main-bc55528"}))
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self.assertEqual("", Agent.installed_commit(self.agent, {"_running_version": "0.0.0-dev"}))
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def test_env_priority_and_secrets_never_returned(self):
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(self.deploy / "config.local").write_text("LOG_LEVEL=debug\nTRAIN_HOUR=5\n", encoding="utf-8")
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config = self.agent.config()
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entries = {v["key"]: v for v in config["entries"]}
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self.assertEqual(("warn", "env", "debug"), tuple(entries["LOG_LEVEL"][k] for k in ("effective", "source", "local")))
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self.assertEqual(("5", "local"), tuple(entries["TRAIN_HOUR"][k] for k in ("effective", "source")))
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self.assertNotIn("top-secret", json.dumps(config))
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def test_save_roundtrip_reset_and_conflict(self):
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with patch.object(self.agent, "command", return_value=""):
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result = self.agent.save_config({"revision": self.agent.revision(), "values": {"TRAIN_HOUR": "7", "GITEA_TOKEN": "a$'\\b#c"}})
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self.assertEqual("a$'\\b#c", agent_module.read_env(self.deploy / "config.local")["GITEA_TOKEN"])
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self.assertTrue(result["restart_required"])
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self.assertNotIn("a$", json.dumps(result))
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self.assertNotIn("a$", (self.private / "audit.jsonl").read_text())
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with self.assertRaises(ManagementError) as raised:
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self.agent.save_config({"revision": "stale", "values": {"TRAIN_HOUR": "8"}})
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self.assertEqual(409, raised.exception.status)
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self.agent.save_config({"revision": result["revision"], "values": {"TRAIN_HOUR": None}})
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self.assertNotIn("TRAIN_HOUR", agent_module.read_env(self.deploy / "config.local"))
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def test_invalid_values_and_compose_failure_preserve_original(self):
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original = (self.deploy / "config.local").read_bytes()
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for values in ({"TRAIN_HOUR": "24"}, {"TRAIN_HOUR": "bad"}, {"UNKNOWN": "x"}, {"PIPU_DATA": "/tmp"}, {"LOG_LEVEL": "x\nOTHER=y"}):
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with self.assertRaises(ManagementError):
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self.agent.save_config({"revision": self.agent.revision(), "values": values})
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self.assertEqual(original, (self.deploy / "config.local").read_bytes())
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with patch.object(self.agent, "command", side_effect=subprocess.CalledProcessError(1, "docker")):
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with self.assertRaises(ManagementError):
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self.agent.save_config({"revision": self.agent.revision(), "values": {"TRAIN_HOUR": "6"}})
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self.assertEqual(original, (self.deploy / "config.local").read_bytes())
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def test_source_validation_rejects_shell_local_and_credentials(self):
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for url in ("/tmp/repo", "file:///tmp/repo", "ext::sh -c evil", "--upload-pack=evil", "https://user:secret@example.org/o/r", "https://secret@example.org/o/r", "https://example.org/o/r\narg", "ssh://root@example.org/o/r"):
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with self.subTest(url=url), self.assertRaises(ManagementError):
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agent_module.validate_url(url)
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for url in ("https://example.org/o/r", "http://10.0.0.1:3000/o/r", "git@example.org:o/r.git", "ssh://git@example.org:2222/o/r.git"):
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agent_module.validate_url(url)
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def test_latest_is_semver_stable_and_pins_peeled_commit(self):
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refs = {"refs/tags/v1.9.0": "a" * 40, "refs/tags/v1.10.0": "b" * 40, "refs/tags/v1.10.0^{}": "c" * 40, "refs/tags/v2.0.0-rc.1": "d" * 40}
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with patch.object(self.agent, "refs", return_value=refs), patch.object(self.agent, "start_job", return_value={}) as start:
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self.agent.handle("updates.start", {"source_id": "origin", "channel": "latest"})
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self.assertEqual("v1.10.0", start.call_args.args[1])
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self.assertEqual("c" * 40, start.call_args.args[3]["PIPU_UPDATE_COMMIT"])
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self.assertEqual("refs/tags/v1.10.0", start.call_args.args[3]["PIPU_UPDATE_REF"])
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with self.assertRaises(ManagementError):
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self.agent.handle("updates.start", {"source_id": "origin", "channel": "version", "version": "--evil"})
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def test_main_and_default_source(self):
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with patch.object(self.agent, "refs", return_value={"refs/heads/main": "a" * 40}), patch.object(self.agent, "start_job", return_value={}) as start:
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self.agent.handle("updates.start", {"source_id": "origin", "channel": "main"})
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self.assertEqual("main", start.call_args.args[1])
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result = self.agent.handle("updates.get", {"source_id": None})
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self.assertEqual("origin", result["sources"][0]["id"])
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def test_running_job_blocks_mutations_and_survives_restart_as_failure(self):
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self.agent.job = {"state": "running"}
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for operation, body in (("updates.start", {"channel": "main"}), ("config.apply", {}), ("sources.save", {}), ("config.save", {})):
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with self.subTest(operation=operation), self.assertRaises(ManagementError) as raised:
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self.agent.handle(operation, body)
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self.assertEqual(409, raised.exception.status)
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self.agent.save("job.json", {"state": "running", "id": "old"})
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restored = Agent(self.deploy, self.mailbox, self.private)
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self.assertEqual("failed", restored.job["state"])
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def test_completed_job_redacts_secrets_and_marks_applied_revision(self):
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job = {"id": "test", "kind": "config", "state": "running", "started_at": "", "finished_at": "", "target": "config.local", "log": ""}
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self.agent.job = job
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revision = self.agent.revision()
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self.agent.run_job(job, [sys.executable, "-c", "print('top-secret')"], {}, revision)
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self.assertEqual("succeeded", job["state"])
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self.assertNotIn("top-secret", job["log"])
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self.assertIn("[redacted]", job["log"])
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self.assertFalse(self.agent.config()["restart_required"])
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self.agent.run_job(job, [sys.executable, "-c", "raise SystemExit(2)"], {}, revision)
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self.assertEqual("failed", job["state"])
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def test_mailbox_discards_stale_request_and_never_executes_it(self):
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path = self.mailbox / "00000000-0000-0000-0000-000000000001.request.json"
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path.write_text(json.dumps({"operation": "config.apply", "created_at": 1}), encoding="utf-8")
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with patch.object(self.agent, "handle") as handle:
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self.agent.tick()
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handle.assert_not_called()
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response = json.loads(path.with_name(path.name.replace("request", "response")).read_text(encoding="utf-8"))
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self.assertEqual("management.request_expired", response["code"])
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class ComposeTests(unittest.TestCase):
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@unittest.skipUnless(shutil.which('docker'), 'Docker Compose CLI unavailable')
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def test_real_compose_priorities_and_literal_secret_roundtrip(self):
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with tempfile.TemporaryDirectory() as directory:
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root = Path(directory)
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(root / '.env').write_text('POSTGRES_PASSWORD=test-db\nINTERNAL_TOKEN=test-internal\nMEILI_MASTER_KEY=test-meili\nLOG_LEVEL=warn\n', encoding='utf-8')
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secret = "literal$VALUE'with\\slash#hash"
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(root / 'config.local').write_text("LOG_LEVEL='debug'\nTRAIN_HOUR='7'\nGITEA_TOKEN='" + secret.replace("'", "\\'") + "'\n", encoding='utf-8')
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compose = Path(__file__).with_name('compose.yaml').resolve()
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result = subprocess.run(['docker', 'compose', '--project-directory', str(root), '-f', str(compose), '--env-file', str(root / 'config.local'), '--env-file', str(root / '.env'), 'config', '--format', 'json'], capture_output=True, text=True, timeout=30)
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self.assertEqual(0, result.returncode, 'Docker Compose configuration failed: ' + result.stderr)
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services = json.loads(result.stdout)['services']
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self.assertEqual('warn', services['api']['environment']['LOG_LEVEL'])
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self.assertEqual('7', services['recommender']['environment']['TRAIN_HOUR'])
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self.assertEqual('7', services['analyzer']['environment']['TRAIN_HOUR'])
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# Canonical Compose output escapes dollars for reuse as YAML.
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self.assertEqual(secret.replace('$', '$$'), services['api']['environment']['GITEA_TOKEN'])
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self.assertNotIn('GITEA_TOKEN', services['recommender']['environment'])
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if __name__ == "__main__":
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unittest.main()
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