# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
"""Fake Registry backend for tests.
Provides a configurable :class:`FakeRegistry` that satisfies the full
:class:`~releasekit.backends.registry.Registry` protocol.
"""
from __future__ import annotations
from releasekit.backends.registry import ChecksumResult
class FakeRegistry:
"""Configurable Registry test double."""
def __init__(
self,
*,
available: bool = True,
checksums_ok: bool = True,
published: set[str] | None = None,
) -> None:
"""Initialize with configurable state.
Args:
available: Value returned by ``poll_available()``.
checksums_ok: If ``True``, ``verify_checksum()`` reports all
matched. If ``False``, reports a mismatch.
published: Set of ``"name==version"`` strings that
``check_published()`` considers already published.
"""
self._available = available
self._checksums_ok = checksums_ok
self._published = published or set()
async def check_published(self, package_name: str, version: str) -> bool:
"""Check if a version is in the published set."""
return f'{package_name}=={version}' in self._published
async def poll_available(
self,
package_name: str,
version: str,
*,
timeout: float = 300.0,
interval: float = 5.0,
) -> bool:
"""Return configured availability."""
return self._available
async def project_exists(self, package_name: str) -> bool:
"""Always exists."""
return True
async def latest_version(self, package_name: str) -> str | None:
"""Return None (no published version)."""
return None
async def verify_checksum(
self,
package_name: str,
version: str,
local_checksums: dict[str, str],
) -> ChecksumResult:
"""Return checksum result based on configured state."""
if self._checksums_ok:
return ChecksumResult(
matched=list(local_checksums.keys()),
mismatched={},
missing=[],
)
return ChecksumResult(
matched=[],
mismatched={'bad.whl': ('aaa', 'bbb')},
missing=[],
)
async def list_versions(self, package_name: str) -> list[str]:
"""Return versions from the published set."""
return [entry.split('==')[1] for entry in sorted(self._published) if entry.startswith(f'{package_name}==')]
async def yank_version(
self,
package_name: str,
version: str,
*,
reason: str = '',
dry_run: bool = False,
) -> bool:
"""Simulate yank by removing from published set."""
key = f'{package_name}=={version}'
if key in self._published:
if not dry_run:
self._published.discard(key)
return True
return False
