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Add a module-level BackendStatus(IntEnum) with READY=0 to replace magic 0 comparisons. Extend BottleBackend.status() with a quiet parameter: quiet=False (default) prints diagnostics; quiet=True returns the code silently for programmatic checks. Add is_backend_available() (cheap PATH check, alias for has_backend) and is_backend_ready(name, *, quiet=False) (full status() check) to the backend package for callers that need to distinguish availability from readiness. Update tests/_backend.py guards to use is_backend_ready(quiet=False) so diagnostic output is printed during test discovery, giving the operator a concrete reason for each skip rather than a bare "prerequisites unavailable" message. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
"""Backend selection + readiness-aware skip guards for the integration suite.
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Each integration test targets the backend named by ``BOT_BOTTLE_BACKEND``
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(default ``docker``) and gates on that backend's full readiness check —
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``is_backend_ready()`` (equivalent to ``./cli.py backend status``), not just
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a binary-on-PATH probe. When the backend is not ready, diagnostic output is
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printed during test discovery so the operator sees a concrete reason for each
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skip.
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"""
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from __future__ import annotations
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import os
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import unittest
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from bot_bottle.backend import is_backend_available, is_backend_ready
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# Default when ``BOT_BOTTLE_BACKEND`` is unset. Docker preserves the historical
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# Docker-backed CI path (and mirrors the pin in ``test_sandbox_escape``).
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DEFAULT_BACKEND = "docker"
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def selected_backend() -> str:
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"""The backend this test run targets, from ``BOT_BOTTLE_BACKEND``.
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Mirrors the CLI's env selector; unset means ``docker`` so an
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unconfigured run behaves exactly as the suite did before backends were
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pluggable.
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"""
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return os.environ.get("BOT_BOTTLE_BACKEND") or DEFAULT_BACKEND
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def skip_unless_backend(backend: str):
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"""Skip a backend-specific test unless the selected backend matches AND
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that backend is fully ready.
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Docker-implementation tests (``DockerBroker``, ``DockerGateway``,
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``backend.docker.*``) use ``skip_unless_backend("docker")`` so they no-op
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under a run targeting a different backend instead of testing Docker
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internals that run doesn't exercise — the guard reads
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``BOT_BOTTLE_BACKEND`` rather than "is Docker installed".
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When the backend is not ready, ``status()`` output is printed so the
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operator sees a concrete diagnostic for each skipped test module.
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"""
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sel = selected_backend()
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if sel != backend:
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return unittest.skip(
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f"backend {backend!r} not selected (BOT_BOTTLE_BACKEND={sel})"
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)
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return unittest.skipUnless(
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is_backend_ready(backend, quiet=False),
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f"{backend} backend not ready",
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)
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def skip_unless_selected_backend_available():
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"""Skip a backend-agnostic test unless the *selected* backend is fully ready.
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The test then runs through whichever backend ``BOT_BOTTLE_BACKEND`` names,
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gated on that backend's full status() check (e.g. daemon reachable, TAP
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pool present for Firecracker) rather than just a binary-on-PATH probe.
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When the backend is not ready, ``status()`` output is printed so the
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operator sees a concrete diagnostic for each skipped test module.
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"""
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backend = selected_backend()
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return unittest.skipUnless(
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is_backend_ready(backend, quiet=False),
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f"selected backend {backend!r} not ready",
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)
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