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transfer: add --dry-run test

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Thomas Waldmann 2025-12-02 03:00:11 +01:00
parent 11ad58d3ca
commit 017dfec4ff
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1 changed files with 27 additions and 0 deletions
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src/borg/testsuite/archiver/transfer_cmd_test.py
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@ -473,6 +473,33 @@ def test_transfer_rechunk(archivers, request, monkeypatch):
assert dest_hash == source_file_hashes[item.path], f"Content hash mismatch for {item.path}"
def test_transfer_rechunk_dry_run(archivers, request, monkeypatch):
"""Ensure --dry-run works together with --chunker-params (re-chunking path).
This specifically guards against regressions like AttributeError when archive is None
during dry-run (see issue #9199).
"""
archiver = request.getfixturevalue(archivers)
BLKSIZE = 512
source_chunker_params = "buzhash,19,23,21,4095" # default-ish buzhash parameters
dest_chunker_params = f"fixed,{BLKSIZE}" # simple deterministic chunking
# Prepare source repo and create one archive
with setup_repos(archiver, monkeypatch) as other_repo1:
contents = random.randbytes(8 * BLKSIZE)
create_regular_file(archiver.input_path, "file.bin", contents=contents)
cmd(archiver, "create", f"--chunker-params={source_chunker_params}", "arch", "input")
# Now we are in the destination repo (setup_repos switched us on context exit).
# Run transfer in dry-run mode with re-chunking. This must not crash.
cmd(archiver, "transfer", other_repo1, "--dry-run", f"--chunker-params={dest_chunker_params}")
# Dry-run must not have created archives in the destination repo.
listing = cmd(archiver, "repo-list")
assert "arch" not in listing
def test_issue_9022(archivers, request, monkeypatch):
"""
Regression test for borgbackup/borg#9022: After "borg transfer --from-borg1",