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#!/usr/bin/env python3
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"""Isolierte Vertragstests. Kein HOME-Override, GPU, Netzwerk oder echter systemd-Aufruf."""
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import os
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import json
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from pathlib import Path
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import shlex
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import subprocess
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import tempfile
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import unittest
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ROOT = Path(__file__).resolve().parents[1]
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RUNNER = ROOT / "libexec/hermes-stack-llama-run"
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PROFILE = ROOT / "libexec/hermes-stack-llama-profile"
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RESTART = ROOT / "libexec/hermes-stack-llama-restart"
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OPTIONS = """--model --hf-repo --mmproj --alias --host --port --ctx-size --parallel
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--jinja --reasoning --reasoning-budget --reasoning-preserve --flash-attn --threads
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--threads-batch --n-gpu-layers --fit --fit-target --cache-type-k --cache-type-v
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--sleep-idle-seconds --image-min-tokens --cors-origins --no-ui"""
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class LlamaTests(unittest.TestCase):
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def setUp(self):
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self.temp = tempfile.TemporaryDirectory(prefix="hermes-test-", dir=ROOT.parent)
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self.addCleanup(self.temp.cleanup)
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self.root = Path(self.temp.name)
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self.config = self.root / "config/hermes-stack-maintenance"
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self.config.mkdir(parents=True)
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self.bin = self.root / "bin"
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self.bin.mkdir()
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self.record = self.root / "calls"
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self.env = dict(os.environ, XDG_CONFIG_HOME=str(self.config.parent),
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XDG_STATE_HOME=str(self.root / "state"),
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XDG_RUNTIME_DIR=str(self.root),
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PATH=str(self.bin) + ":" + os.environ["PATH"],
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TEST_RECORD=str(self.record))
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self.server = self.bin / "llama-server"
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self.write_server()
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self.write_config()
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self.program("systemctl", 'printf "%s\\n" "$*" >>"$TEST_RECORD"\nexit 0\n')
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self.program("notify-test", "exit 0\n")
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def program(self, name, body):
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path = self.bin / name
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path.write_text("#!/usr/bin/env bash\nset -eu\n" + body)
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path.chmod(0o755)
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return path
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def write_server(self, options=OPTIONS):
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self.program("llama-server", 'if [[ "${1:-}" == --help ]]; then\n'
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f' printf "%s\\n" {shlex.quote(options)}\n exit 0\nfi\n'
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'printf "%s\\n" "$@" >"$TEST_RECORD"\n')
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def write_config(self, extra="", profile="baseline", model="", hf="test/model:Q4_K_M"):
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content = (f'LLAMA_SERVER_BIN={shlex.quote(str(self.server))}\n'
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f'LLAMA_MODEL={shlex.quote(model)}\nLLAMA_HF_REPO={shlex.quote(hf)}\n'
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f'LLAMA_PROFILE={shlex.quote(profile)}\n'
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'LLAMA_ALIAS=qwen38-27b-local\nLLAMA_ARGS=()\n')
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(self.config / "llama.env").write_text(content + extra)
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(self.config / "config.env").write_text(
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"LLAMA_SERVICE=llama-qwen.service\nGATEWAY_SERVICE=hermes-gateway.service\n"
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"LLAMA_URL=http://127.0.0.1:8080\n"
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f'NOTIFIER={shlex.quote(str(self.bin / "notify-test"))}\n')
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def run_tool(self, script, *args, success=True):
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result = subprocess.run(["bash", str(script), *args], env=self.env,
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text=True, capture_output=True, timeout=8)
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if success:
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self.assertEqual(result.returncode, 0, result.stdout + result.stderr)
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else:
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self.assertNotEqual(result.returncode, 0, result.stdout + result.stderr)
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return result
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def test_profile_values(self):
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for name, ctx, margin in [("baseline", "65536", "1536"),
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("balanced", "49152", "1536"),
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("vram-plus", "49152", "1280"),
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("compact", "32768", "1536")]:
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with self.subTest(name=name):
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result = self.run_tool(RUNNER, "--profile", name, "--print")
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args = shlex.split(result.stdout)
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self.assertEqual(args[args.index("--ctx-size") + 1], ctx)
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self.assertEqual(args[args.index("--fit-target") + 1], margin)
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self.assertEqual(args.count("--ctx-size"), 1)
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self.assertIn("qwen38-27b-local", args)
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def test_check_does_not_run_inference(self):
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self.run_tool(RUNNER, "--check")
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self.assertFalse(self.record.exists())
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def test_unsupported_option_rejected(self):
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self.write_server(OPTIONS.replace("--fit-target", ""))
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result = self.run_tool(RUNNER, "--check", success=False)
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self.assertIn("--fit-target", result.stderr)
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self.assertFalse(self.record.exists())
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def test_execution_uses_array(self):
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self.run_tool(RUNNER)
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args = self.record.read_text().splitlines()
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self.assertIn("--hf-repo", args)
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self.assertIn("test/model:Q4_K_M", args)
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def test_local_legacy_config_and_path_spaces(self):
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model = self.root / "a model.gguf"
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model.touch()
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self.write_config(profile="", model=str(model), hf="",
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extra="LLAMA_ARGS=(--ctx-size 8192 --parallel 1)\n")
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self.run_tool(RUNNER)
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args = self.record.read_text().splitlines()
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self.assertIn(str(model), args)
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self.assertNotIn("--fit", args)
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def test_model_source_conflict(self):
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self.write_config(model="/some/model.gguf")
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self.run_tool(RUNNER, "--check", success=False)
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def test_missing_model(self):
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self.write_config(model="/does/not/exist.gguf", hf="")
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self.run_tool(RUNNER, "--check", success=False)
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def test_missing_model_source(self):
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self.write_config(hf="")
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self.run_tool(RUNNER, "--check", success=False)
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def test_unknown_profile(self):
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self.run_tool(RUNNER, "--profile", "../unknown", "--check", success=False)
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def test_profile_rejects_legacy_args(self):
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self.write_config(extra="LLAMA_ARGS=(--ctx-size 64)\n")
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self.run_tool(RUNNER, "--check", success=False)
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def test_profile_selection_preserves_config(self):
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before = (self.config / "llama.env").read_bytes()
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self.run_tool(PROFILE, "balanced")
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self.assertEqual((self.config / "llama.env").read_bytes(), before)
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self.assertFalse(self.record.exists())
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result = self.run_tool(RUNNER, "--print")
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self.assertIn("49152", result.stdout)
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self.run_tool(PROFILE, "baseline")
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self.assertEqual(len(list(self.config.glob("llama-profile.backup.*"))), 1)
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self.assertEqual((self.config / "llama-profile.env").stat().st_mode & 0o777, 0o600)
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def test_profile_does_not_migrate_implicitly(self):
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self.write_config(profile="")
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self.run_tool(PROFILE, "balanced", success=False)
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self.assertFalse((self.config / "llama-profile.env").exists())
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def test_restart_requires_confirmation(self):
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self.run_tool(RESTART, success=False)
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self.assertFalse(self.record.exists())
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def test_restart_after_check(self):
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self.run_tool(RESTART, "--jobs-finished")
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self.assertEqual(self.record.read_text(), "--user restart llama-qwen.service\n")
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def test_failed_check_does_not_restart(self):
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self.write_server("")
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self.run_tool(RESTART, "--jobs-finished", success=False)
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self.assertFalse(self.record.exists())
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def test_lock_blocks_restart_and_profile_change(self):
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import fcntl
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with (self.root / "hermes-stack-hermes-update.lock").open("w") as lock:
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fcntl.flock(lock, fcntl.LOCK_EX | fcntl.LOCK_NB)
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self.run_tool(RESTART, "--jobs-finished", success=False)
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self.run_tool(PROFILE, "balanced", success=False)
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self.assertFalse(self.record.exists())
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self.assertFalse((self.config / "llama-profile.env").exists())
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def test_failed_http_does_not_restart_backend(self):
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self.program("hermes", "exit 0\n")
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self.program("curl", "exit 28\n")
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self.run_tool(ROOT / "libexec/hermes-stack-health", success=False)
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self.assertNotIn("restart llama", self.record.read_text())
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def test_installer_requires_explicit_ref(self):
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self.run_tool(ROOT / "scripts/install-llama-cpp.sh", success=False)
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self.run_tool(ROOT / "install.sh", "--install-llama", success=False)
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def test_installer_help(self):
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self.run_tool(ROOT / "scripts/install-llama-cpp.sh", "--help")
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self.run_tool(ROOT / "install.sh", "--help")
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def prepare_build_mocks(self):
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self.env["CUDACXX"] = str(self.program("nvcc", "exit 0\n"))
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self.program("nvidia-smi", "exit 0\n")
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self.program("ninja", "exit 0\n")
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self.program("c++", "exit 0\n")
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self.program("git", 'if [[ "$*" == *rev-parse* ]]; then\n'
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'printf "%s\\n" 0123456789012345678901234567890123456789\nfi\n')
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self.program("cmake", 'if [[ "${1:-}" == --build ]]; then\n'
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' [[ "${TEST_BUILD_FAIL:-0}" != 1 ]] || exit 1\n'
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' mkdir -p "$2/bin"\n'
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' for name in llama-server llama-cli llama-bench; do\n'
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' cp "$CUDACXX" "$2/bin/$name"\n'
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' done\nfi\n')
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def test_build_publishes_all_three_tools(self):
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self.prepare_build_mocks()
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prefix = self.root / "managed"
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self.run_tool(ROOT / "scripts/install-llama-cpp.sh", "--ref", "master",
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"--prefix", str(prefix))
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for name in ("llama-server", "llama-cli", "llama-bench"):
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self.assertTrue((prefix / "current/bin" / name).is_file())
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manifest = (prefix / "current/BUILD-INFO.txt").read_text()
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self.assertIn("0123456789012345678901234567890123456789", manifest)
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self.assertIn("cuda_arch=86", manifest)
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def test_build_preserves_existing_selection(self):
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self.prepare_build_mocks()
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prefix = self.root / "managed"
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prefix.mkdir()
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old = prefix / "old"
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old.mkdir()
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(prefix / "current").symlink_to(old)
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self.run_tool(ROOT / "scripts/install-llama-cpp.sh", "--ref", "master",
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"--prefix", str(prefix))
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self.assertEqual((prefix / "current").resolve(), old)
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def test_failed_build_does_not_activate(self):
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self.prepare_build_mocks()
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self.env["TEST_BUILD_FAIL"] = "1"
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prefix = self.root / "managed"
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self.run_tool(ROOT / "scripts/install-llama-cpp.sh", "--ref", "master",
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"--prefix", str(prefix), success=False)
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self.assertFalse((prefix / "current").exists())
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def signal_fixture(self, target, response):
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env_file = self.root / "hermes.env"
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env_file.write_text('SIGNAL_HTTP_URL=http://127.0.0.1:8090\n'
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'SIGNAL_ACCOUNT=test-account\n'
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f'SIGNAL_HOME_CHANNEL={shlex.quote(target)}\n')
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with (self.config / "config.env").open("a") as config:
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config.write(f'HERMES_ENV={shlex.quote(str(env_file))}\n'
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'SIGNAL_NOTIFY=1\nTELEGRAM_NOTIFY=0\n')
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self.program("systemd-cat", "exit 0\n")
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self.program("curl", 'while (($#)); do\n'
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' if [[ "$1" == --data-binary ]]; then\n'
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' printf "%s" "$2" >"$TEST_RECORD"\n fi\n shift\ndone\n'
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f'printf "%s\\n" {shlex.quote(response)}\n')
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def test_signal_direct_payload(self):
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self.signal_fixture("test-recipient", '{"result":{"timestamp":1}}')
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message = 'Test "Anführungszeichen"\nzweite Zeile'
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self.run_tool(ROOT / "libexec/hermes-stack-notify", message)
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payload = json.loads(self.record.read_text())
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self.assertEqual(payload["params"]["recipient"], ["test-recipient"])
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self.assertEqual(payload["params"]["message"], message)
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def test_signal_group_payload(self):
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self.signal_fixture("group:test-group", '{"result":{"timestamp":1}}')
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self.run_tool(ROOT / "libexec/hermes-stack-notify", "Test")
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payload = json.loads(self.record.read_text())
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self.assertEqual(payload["params"]["groupId"], "test-group")
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self.assertNotIn("recipient", payload["params"])
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def test_signal_rpc_failure_is_nonfatal(self):
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self.signal_fixture("test-recipient", '{"error":{"code":-1}}')
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self.run_tool(ROOT / "libexec/hermes-stack-notify", "Test")
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if __name__ == "__main__":
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unittest.main(verbosity=2)
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