make "Package CONTAINS Package" valid even when files_analyzed == False

Signed-off-by: Armin Tänzer <armin.taenzer@tngtech.com>

Author: armintaenzertng

src/spdx_tools/spdx/spdx_element_utils.py

@@ -3,10 +3,11 @@
 # SPDX-License-Identifier: Apache-2.0
 import hashlib
 
-from beartype.typing import List, Union
+from beartype.typing import List, Optional, Type, Union
 
 from spdx_tools.spdx.model import (
     ChecksumAlgorithm,
+    Document,
     ExternalDocumentRef,
     File,
     Package,
@@ -15,6 +16,18 @@
 )
 
 
+def get_element_type_from_spdx_id(
+    spdx_id: str, document: Document
+) -> Optional[Union[Type[Package], Type[File], Type[Snippet]]]:
+    if spdx_id in [package.spdx_id for package in document.packages]:
+        return Package
+    if spdx_id in [file.spdx_id for file in document.files]:
+        return File
+    if spdx_id in [snippet.spdx_id for snippet in document.snippets]:
+        return Snippet
+    return None
+
+
 def get_full_element_spdx_id(
     element: Union[Package, File, Snippet],
     document_namespace: str,

src/spdx_tools/spdx/validation/package_validator.py

@@ -4,8 +4,9 @@
 
 from beartype.typing import List, Optional
 
-from spdx_tools.spdx.model import Document, Package, Relationship, RelationshipType
+from spdx_tools.spdx.model import Document, File, Package, Relationship, RelationshipType
 from spdx_tools.spdx.model.relationship_filters import filter_by_type_and_origin, filter_by_type_and_target
+from spdx_tools.spdx.spdx_element_utils import get_element_type_from_spdx_id
 from spdx_tools.spdx.validation.checksum_validator import validate_checksums
 from spdx_tools.spdx.validation.external_package_ref_validator import validate_external_package_refs
 from spdx_tools.spdx.validation.license_expression_validator import (
@@ -50,12 +51,23 @@ def validate_package_within_document(
         package_contains_relationships = filter_by_type_and_origin(
             document.relationships, RelationshipType.CONTAINS, package.spdx_id
         )
+        package_contains_file_relationships = [
+            relationship
+            for relationship in package_contains_relationships
+            if get_element_type_from_spdx_id(relationship.related_spdx_element_id, document) == File
+        ]
+
         contained_in_package_relationships = filter_by_type_and_target(
             document.relationships, RelationshipType.CONTAINED_BY, package.spdx_id
         )
+        file_contained_in_package_relationships = [
+            relationship
+            for relationship in contained_in_package_relationships
+            if get_element_type_from_spdx_id(relationship.spdx_element_id, document) == File
+        ]
 
         combined_relationships: List[Relationship] = (
-            package_contains_relationships + contained_in_package_relationships
+            package_contains_file_relationships + file_contained_in_package_relationships
         )
 
         if combined_relationships:

tests/spdx/validation/test_package_validator.py

@@ -74,10 +74,27 @@ def test_invalid_package(package_input, expected_message):
 @pytest.mark.parametrize(
     "relationships",
     [
-        [Relationship("SPDXRef-Package", RelationshipType.CONTAINS, "SPDXRef-File1")],
         [Relationship("SPDXRef-Package", RelationshipType.CONTAINS, "DocumentRef-external:SPDXRef-File")],
-        [Relationship("SPDXRef-File2", RelationshipType.CONTAINED_BY, "SPDXRef-Package")],
         [Relationship("DocumentRef-external:SPDXRef-File", RelationshipType.CONTAINED_BY, "SPDXRef-Package")],
+    ],
+)
+def test_valid_package_with_contains(relationships):
+    document = document_fixture(
+        relationships=relationships,
+        files=[file_fixture(spdx_id="SPDXRef-File1"), file_fixture(spdx_id="SPDXRef-File2")],
+    )
+    package = package_fixture(files_analyzed=False, verification_code=None, license_info_from_files=[])
+
+    validation_messages: List[ValidationMessage] = validate_package_within_document(package, "SPDX-2.3", document)
+
+    assert validation_messages == []
+
+
+@pytest.mark.parametrize(
+    "relationships",
+    [
+        [Relationship("SPDXRef-Package", RelationshipType.CONTAINS, "SPDXRef-File1")],
+        [Relationship("SPDXRef-File2", RelationshipType.CONTAINED_BY, "SPDXRef-Package")],
         [
             Relationship("SPDXRef-Package", RelationshipType.CONTAINS, "SPDXRef-File2"),
             Relationship("SPDXRef-File1", RelationshipType.CONTAINED_BY, "SPDXRef-Package"),