mirror of
https://github.com/azaion/gps-denied-onboard.git
synced 2026-04-22 22:56:36 +00:00
Yuzviak
d91dee8a63
URL left empty because VPAIR sample is form-gated on Zenodo. Registry records the known-good SHA256 for manual downloads; the download_dataset() helper refuses empty URLs so this cannot be used to auto-fetch a changed artifact. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
"""Dataset downloader — URL registry + SHA256 verification."""
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import hashlib
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from pathlib import Path
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from gps_denied.testing.download import (
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DATASET_REGISTRY,
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DatasetSpec,
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download_dataset,
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verify_sha256,
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)
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def test_registry_has_euroc():
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assert "euroc_mh01" in DATASET_REGISTRY
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spec = DATASET_REGISTRY["euroc_mh01"]
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assert isinstance(spec, DatasetSpec)
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assert spec.url.startswith("http")
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assert len(spec.sha256) == 64
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def test_registry_has_vpair_sample():
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assert "vpair_sample" in DATASET_REGISTRY
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spec = DATASET_REGISTRY["vpair_sample"]
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# URL intentionally empty — Zenodo form-gated download; registry records SHA256 only.
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assert spec.url == ""
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assert len(spec.sha256) == 64
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assert spec.sha256 != "0" * 64 # real hash, not the placeholder
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def test_verify_sha256_matches(tmp_path: Path):
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data = b"hello world"
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f = tmp_path / "x.bin"
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f.write_bytes(data)
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expected = hashlib.sha256(data).hexdigest()
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assert verify_sha256(f, expected) is True
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def test_verify_sha256_mismatch(tmp_path: Path):
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f = tmp_path / "x.bin"
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f.write_bytes(b"hello world")
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assert verify_sha256(f, "0" * 64) is False
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def test_download_skip_if_present(tmp_path: Path, monkeypatch):
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f = tmp_path / "cached.zip"
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f.write_bytes(b"cached")
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spec = DatasetSpec(
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url="http://example.invalid/cached.zip",
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sha256=hashlib.sha256(b"cached").hexdigest(),
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target_subdir="cached",
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)
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# Should return the path without hitting the network
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called = {"n": 0}
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def fake_get(*args, **kwargs):
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called["n"] += 1
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raise AssertionError("download should have been skipped")
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monkeypatch.setattr("urllib.request.urlretrieve", fake_get)
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result = download_dataset(spec, f)
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assert result == f
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assert called["n"] == 0
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