65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
"""FC-5: backup + rollback service tests.
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Uses tmp_path to avoid touching real /images/_backups/. Subprocess
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calls (pg_dump, tar) are monkeypatched — the real shell-out is exercised
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in operator-side smoke testing on the homelab, not in unit tests.
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"""
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import pytest
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from backend.app.services.migrators import backup as backup_mod
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pytestmark = pytest.mark.integration
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@pytest.mark.asyncio
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async def test_create_backup_writes_sql_and_tar(monkeypatch, tmp_path):
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calls = []
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def fake_run(cmd, **kwargs):
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calls.append(cmd)
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# Touch the expected output file so existence checks pass downstream.
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if "pg_dump" in cmd[0]:
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outpath = tmp_path / "_backups" / f"fc_{kwargs['_test_ts']}.sql"
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outpath.write_text("-- fake pg_dump output")
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else:
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outpath = tmp_path / "_backups" / f"fc_{kwargs['_test_ts']}.tar.zst"
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outpath.write_bytes(b"\x28\xb5\x2f\xfd") # zstd magic
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from types import SimpleNamespace
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return SimpleNamespace(returncode=0, stdout=b"", stderr=b"")
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monkeypatch.setattr(backup_mod, "_run_subprocess", fake_run)
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result = backup_mod.create_backup(
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db_url="postgresql://x", images_root=tmp_path, tag="pre_migration",
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)
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assert "sql_path" in result
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assert "tar_path" in result
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assert result["tag"] == "pre_migration"
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assert any("pg_dump" in c[0] for c in calls)
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assert any(c[0] == "tar" for c in calls)
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@pytest.mark.asyncio
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async def test_find_latest_backup_by_tag(monkeypatch, tmp_path):
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# Create two manifests with different tags.
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backups_dir = tmp_path / "_backups"
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backups_dir.mkdir()
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import json
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(backups_dir / "fc_20260101T000000Z.json").write_text(json.dumps({
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"backup_id": "20260101T000000Z", "tag": "manual",
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"created_at": "2026-01-01T00:00:00+00:00",
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"sql_path": "/x/a.sql", "tar_path": "/x/a.tar.zst",
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}))
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(backups_dir / "fc_20260202T000000Z.json").write_text(json.dumps({
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"backup_id": "20260202T000000Z", "tag": "pre_migration",
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"created_at": "2026-02-02T00:00:00+00:00",
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"sql_path": "/x/b.sql", "tar_path": "/x/b.tar.zst",
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}))
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found = backup_mod.find_latest_backup(tmp_path, tag="pre_migration")
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assert found is not None
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assert found["backup_id"] == "20260202T000000Z"
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missing = backup_mod.find_latest_backup(tmp_path, tag="nonexistent")
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assert missing is None
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