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# Copyright (C) 2025 Siemens
#
# SPDX-License-Identifier: MIT
from pathlib import Path
import pytest
from debsbom.util.checksum import ChecksumMismatchError
def test_spdx_merge():
_spdx_tools = pytest.importorskip("spdx_tools")
from spdx_tools.spdx.model.relationship import Relationship, RelationshipType
from debsbom.bomreader.spdxbomreader import SpdxBomFileReader
from debsbom.merge.spdx import SpdxSbomMerger
# The test files are created with
# `echo "buildah 1.28.2+ds1-3+deb12u1+b1 amd64" | debsbom -v generate --distro-name <full|minimal> --from-pkglist`
# once with apt-cache available and once without ('full' is with cache, 'minimal' without).
# Then the bom reference ID is was edited in the minimal SBOMs for the buildah component/package
# to test if the ID merging works
distro_name = "spdx-merge-package-merge"
merger = SpdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in ["tests/data/merge-full.spdx.json", "tests/data/merge-minimal.spdx.json"]:
docs.append(SpdxBomFileReader(Path(sbom)).read())
bom = merger.merge(docs)
assert (
Relationship(
spdx_element_id="SPDXRef-minimal",
relationship_type=RelationshipType.PACKAGE_OF,
related_spdx_element_id=f"SPDXRef-{distro_name}",
)
in bom.relationships
)
assert (
Relationship(
spdx_element_id="SPDXRef-full",
relationship_type=RelationshipType.PACKAGE_OF,
related_spdx_element_id=f"SPDXRef-{distro_name}",
)
in bom.relationships
)
assert (
Relationship(
spdx_element_id="SPDXRef-buildah-amd64",
relationship_type=RelationshipType.PACKAGE_OF,
related_spdx_element_id="SPDXRef-minimal",
)
in bom.relationships
)
assert (
Relationship(
spdx_element_id="SPDXRef-buildah-amd64",
relationship_type=RelationshipType.PACKAGE_OF,
related_spdx_element_id="SPDXRef-full",
)
in bom.relationships
)
assert (
Relationship(
spdx_element_id="SPDXRef-buildah-amd64-different",
relationship_type=RelationshipType.PACKAGE_OF,
related_spdx_element_id="SPDXRef-minimal",
)
not in bom.relationships
)
def test_cdx_merge():
_cyclonedx = pytest.importorskip("cyclonedx")
from cyclonedx.model.dependency import Dependency
from debsbom.bomreader.cdxbomreader import CdxBomFileReader
from debsbom.merge.cdx import CdxSbomMerger
# The test files are created with
# `echo "buildah 1.28.2+ds1-3+deb12u1+b1 amd64" | debsbom -v generate --distro-name <full|minimal> --from-pkglist`
# once with apt-cache available and once without ('full' is with cache, 'minimal' without).
# Then the bom reference ID is was edited in the minimal SBOMs for the buildah component/package
# to test if the ID merging works
distro_name = "cdx-merge-package-merge"
merger = CdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in ["tests/data/merge-full.cdx.json", "tests/data/merge-minimal.cdx.json"]:
docs.append(CdxBomFileReader(Path(sbom)).read())
bom = merger.merge(docs)
distro_bom_ref = bom.metadata.component.bom_ref
for component in bom.components:
if component.name == "full":
bom_ref_full = component.bom_ref
elif component.name == "minimal":
bom_ref_minimal = component.bom_ref
elif component.name == "buildah":
bom_ref_buildah = component.bom_ref
found_distro_ref = False
found_full_ref = False
found_minimal_ref = False
for dependency in bom.dependencies:
if dependency.ref == distro_bom_ref:
assert Dependency(ref=bom_ref_full) in dependency.dependencies
assert Dependency(ref=bom_ref_minimal) in dependency.dependencies
found_distro_ref = True
if dependency.ref == bom_ref_full:
assert Dependency(ref=bom_ref_buildah) in dependency.dependencies
found_full_ref = True
if dependency.ref == bom_ref_minimal:
assert Dependency(ref=bom_ref_buildah) in dependency.dependencies
found_minimal_ref = True
assert found_distro_ref
assert found_full_ref
assert found_minimal_ref
def test_cdx_hash_merge():
_cyclonedx = pytest.importorskip("cyclonedx")
from debsbom.bomreader.cdxbomreader import CdxBomFileReader
from debsbom.merge.cdx import CdxSbomMerger
distro_name = "cdx-merge-hash-merge"
merger = CdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in [
"tests/data/checksum-merge-md5.cdx.json",
"tests/data/checksum-merge-sha256.cdx.json",
]:
docs.append(CdxBomFileReader(Path(sbom)).read())
bom = merger.merge(docs)
component = next(iter(bom.components))
assert len(component.hashes) == 2
def test_spdx_checksum_merge():
_spdx_tools = pytest.importorskip("spdx_tools")
from debsbom.bomreader.spdxbomreader import SpdxBomFileReader
from debsbom.merge.spdx import SpdxSbomMerger
distro_name = "spx-merge-checksum-merge"
merger = SpdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in [
"tests/data/checksum-merge-md5.spdx.json",
"tests/data/checksum-merge-sha256.spdx.json",
]:
docs.append(SpdxBomFileReader(Path(sbom)).read())
bom = merger.merge(docs)
package = next(iter(filter(lambda p: p.name == "example-pkg", bom.packages)))
assert len(package.checksums) == 2
def test_cdx_bad_checksum():
_cyclonedx = pytest.importorskip("cyclonedx")
from debsbom.bomreader.cdxbomreader import CdxBomFileReader
from debsbom.merge.cdx import CdxSbomMerger
distro_name = "cdx-merge-hash-merge"
merger = CdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in [
"tests/data/checksum-merge-md5.cdx.json",
"tests/data/checksum-merge-bad.cdx.json",
]:
docs.append(CdxBomFileReader(Path(sbom)).read())
with pytest.raises(ChecksumMismatchError):
_bom = merger.merge(docs)
def test_spdx_bad_checksum():
_spdx_tools = pytest.importorskip("spdx_tools")
from debsbom.bomreader.spdxbomreader import SpdxBomFileReader
from debsbom.merge.spdx import SpdxSbomMerger
distro_name = "cdx-merge-checksum-bad"
merger = SpdxSbomMerger(distro_name=distro_name)
docs = []
for sbom in [
"tests/data/checksum-merge-md5.spdx.json",
"tests/data/checksum-merge-bad.spdx.json",
]:
docs.append(SpdxBomFileReader(Path(sbom)).read())
with pytest.raises(ChecksumMismatchError):
_bom = merger.merge(docs)
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