Zecheng Zhang
87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
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from unittest.mock import patch
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import pytest
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from mirage.accessor.github import GitHubAccessor
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from mirage.core.github.config import GitHubConfig
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from mirage.core.github.tree_entry import TreeEntry
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from mirage.core.github.watch import GitHubWalk
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from mirage.types import PathSpec
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from mirage.watch.errors import IncompleteWalkError
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CONFIG = GitHubConfig(token="t")
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def _accessor(tree: dict[str, TreeEntry]) -> GitHubAccessor:
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return GitHubAccessor(config=CONFIG,
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owner="acme",
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repo="proj",
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ref="main",
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default_branch="main",
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tree=tree)
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def _root() -> PathSpec:
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return PathSpec(virtual="/gh", directory="/gh", resource_path="")
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def _entry(path: str, sha: str) -> TreeEntry:
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return TreeEntry(path=path, type="blob", sha=sha, size=3)
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async def _collect(walk, root):
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return [entry async for entry in walk(root)]
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@pytest.mark.asyncio
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async def test_pull_refreshes_the_accessor_tree() -> None:
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# find, du and grep's scope counter read accessor.tree directly, so a
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# pull that fetched a newer tree and dropped it left them reporting the
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# repository as it stood when the mount was built.
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stale = {"a.txt": _entry("a.txt", "sha-a")}
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fresh = {
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"a.txt": _entry("a.txt", "sha-a"),
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"b.txt": _entry("b.txt", "sha-b"),
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}
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accessor = _accessor(stale)
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with patch("mirage.core.github.watch.fetch_tree",
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return_value=(fresh, False)):
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await _collect(GitHubWalk(accessor), _root())
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assert accessor.tree == fresh
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@pytest.mark.asyncio
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async def test_truncated_tree_is_not_adopted() -> None:
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# A partial tree would make find report the missing half as deleted.
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stale = {"a.txt": _entry("a.txt", "sha-a")}
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accessor = _accessor(stale)
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with patch("mirage.core.github.watch.fetch_tree", return_value=({}, True)):
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with pytest.raises(IncompleteWalkError):
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await _collect(GitHubWalk(accessor), _root())
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assert accessor.tree == stale
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@pytest.mark.asyncio
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async def test_walk_reports_blobs_with_their_sha() -> None:
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tree = {"a.txt": _entry("a.txt", "sha-a")}
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accessor = _accessor(tree)
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with patch("mirage.core.github.watch.fetch_tree",
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return_value=(tree, False)):
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entries = await _collect(GitHubWalk(accessor), _root())
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assert [(e.virtual, e.fingerprint)
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for e in entries] == [("/gh/a.txt", "sha-a")]
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