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test_api_v2.py
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#
# Copyright (c) nexB Inc. and others. All rights reserved.
# VulnerableCode is a trademark of nexB Inc.
# SPDX-License-Identifier: Apache-2.0
# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
# See https://github.com/aboutcode-org/vulnerablecode for support or download.
# See https://aboutcode.org for more information about nexB OSS projects.
#
from django.urls import reverse
from packageurl import PackageURL
from rest_framework import status
from rest_framework.test import APIClient
from rest_framework.test import APITestCase
from vulnerabilities.api_v2 import PackageV2Serializer
from vulnerabilities.api_v2 import VulnerabilityListSerializer
from vulnerabilities.models import Alias
from vulnerabilities.models import ApiUser
from vulnerabilities.models import Package
from vulnerabilities.models import Vulnerability
from vulnerabilities.models import VulnerabilityReference
from vulnerabilities.models import Weakness
class VulnerabilityV2ViewSetTest(APITestCase):
def setUp(self):
# Create vulnerabilities
self.vuln1 = Vulnerability.objects.create(
vulnerability_id="VCID-1234", summary="Test vulnerability 1"
)
self.vuln2 = Vulnerability.objects.create(
vulnerability_id="VCID-5678", summary="Test vulnerability 2"
)
# Create aliases
Alias.objects.create(alias="CVE-2021-1234", vulnerability=self.vuln1)
Alias.objects.create(alias="CVE-2021-5678", vulnerability=self.vuln2)
# Create weaknesses
self.weakness1 = Weakness.objects.create(cwe_id=79)
self.weakness1.vulnerabilities.add(self.vuln1)
self.weakness2 = Weakness.objects.create(cwe_id=89)
self.weakness2.vulnerabilities.add(self.vuln2)
# Create references
self.reference1 = VulnerabilityReference.objects.create(
url="https://example.com/ref1", reference_type="advisory", reference_id="REF-1"
)
self.reference1.vulnerabilities.add(self.vuln1)
self.reference2 = VulnerabilityReference.objects.create(
url="https://example.com/ref2", reference_type="exploit", reference_id="REF-2"
)
self.reference2.vulnerabilities.add(self.vuln2)
self.user = ApiUser.objects.create_api_user(username="[email protected]")
self.auth = f"Token {self.user.auth_token.key}"
self.client = APIClient(enforce_csrf_checks=True)
self.client.credentials(HTTP_AUTHORIZATION=self.auth)
def test_list_vulnerabilities(self):
"""
Test listing vulnerabilities without filters.
Should return a paginated response with vulnerabilities dictionary.
"""
url = reverse("vulnerability-v2-list")
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("results", response.data)
self.assertIn("vulnerabilities", response.data["results"])
self.assertEqual(len(response.data["results"]["vulnerabilities"]), 2)
self.assertIn("VCID-1234", response.data["results"]["vulnerabilities"])
self.assertIn("VCID-5678", response.data["results"]["vulnerabilities"])
self.assertTrue("url" in response.data["results"]["vulnerabilities"]["VCID-1234"])
def test_retrieve_vulnerability_detail(self):
"""
Test retrieving vulnerability details by vulnerability_id.
"""
url = reverse("vulnerability-v2-detail", kwargs={"vulnerability_id": "VCID-1234"})
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(response.data["vulnerability_id"], "VCID-1234")
self.assertEqual(response.data["summary"], "Test vulnerability 1")
self.assertEqual(response.data["aliases"], ["CVE-2021-1234"])
self.assertEqual(len(response.data["weaknesses"]), 1)
self.assertEqual(len(response.data["references"]), 1)
def test_filter_vulnerability_by_vulnerability_id(self):
"""
Test filtering vulnerabilities by vulnerability_id.
"""
url = reverse("vulnerability-v2-list")
response = self.client.get(url, {"vulnerability_id": "VCID-1234"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(response.data["vulnerability_id"], "VCID-1234")
def test_filter_vulnerability_by_alias(self):
"""
Test filtering vulnerabilities by alias.
"""
url = reverse("vulnerability-v2-list")
response = self.client.get(url, {"alias": "CVE-2021-5678"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("results", response.data)
self.assertIn("vulnerabilities", response.data["results"])
self.assertEqual(
response.data["results"]["vulnerabilities"]["VCID-5678"]["vulnerability_id"],
"VCID-5678",
)
def test_filter_vulnerabilities_multiple_ids(self):
"""
Test filtering vulnerabilities by multiple vulnerability_ids.
"""
url = reverse("vulnerability-v2-list")
response = self.client.get(
url, {"vulnerability_id": ["VCID-1234", "VCID-5678"]}, format="json"
)
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["vulnerabilities"]), 2)
def test_filter_vulnerabilities_multiple_aliases(self):
"""
Test filtering vulnerabilities by multiple aliases.
"""
url = reverse("vulnerability-v2-list")
response = self.client.get(
url, {"alias": ["CVE-2021-1234", "CVE-2021-5678"]}, format="json"
)
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["vulnerabilities"]), 2)
def test_invalid_vulnerability_id(self):
"""
Test retrieving a vulnerability with an invalid vulnerability_id.
Should return 404 Not Found.
"""
url = reverse("vulnerability-v2-detail", kwargs={"vulnerability_id": "VCID-9999"})
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
def test_get_url_in_serializer(self):
"""
Test that the serializer correctly includes the URL field.
"""
vulnerability = Vulnerability.objects.get(vulnerability_id="VCID-1234")
serializer = VulnerabilityListSerializer(vulnerability, context={"request": None})
self.assertIn("url", serializer.data)
self.assertEqual(serializer.data["vulnerability_id"], "VCID-1234")
def test_list_vulnerabilities_pagination(self):
"""
Test listing vulnerabilities with pagination.
"""
# Create additional vulnerabilities to trigger pagination
for i in range(3, 15):
Vulnerability.objects.create(
vulnerability_id=f"VCID-{i}", summary=f"Test vulnerability {i}"
)
url = reverse("vulnerability-v2-list")
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("results", response.data)
self.assertIn("vulnerabilities", response.data["results"])
self.assertIn("next", response.data)
self.assertIn("previous", response.data)
# The 'vulnerabilities' dictionary should contain vulnerabilities up to the page limit
self.assertEqual(
len(response.data["results"]["vulnerabilities"]), 10
) # Assuming default page size is 10
class PackageV2ViewSetTest(APITestCase):
def setUp(self):
# Create packages
self.package1 = Package.objects.create(
package_url="pkg:pypi/[email protected]", name="django", version="3.2", type="pypi"
)
self.package2 = Package.objects.create(
package_url="pkg:npm/[email protected]", name="lodash", version="4.17.20", type="npm"
)
# Create vulnerabilities
self.vuln1 = Vulnerability.objects.create(
vulnerability_id="VCID-1234", summary="Test vulnerability 1"
)
self.vuln2 = Vulnerability.objects.create(
vulnerability_id="VCID-5678", summary="Test vulnerability 2"
)
# Associate packages with vulnerabilities
self.package1.affected_by_vulnerabilities.add(self.vuln1)
self.package2.fixing_vulnerabilities.add(self.vuln2)
self.user = ApiUser.objects.create_api_user(username="[email protected]")
self.auth = f"Token {self.user.auth_token.key}"
self.client = APIClient(enforce_csrf_checks=True)
self.client.credentials(HTTP_AUTHORIZATION=self.auth)
def test_list_packages(self):
"""
Test listing packages without filters.
Should return a list of packages with their details and associated vulnerabilities.
"""
url = reverse("package-v2-list")
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("results", response.data)
self.assertIn("packages", response.data["results"])
self.assertIn("vulnerabilities", response.data["results"])
self.assertEqual(len(response.data["results"]["packages"]), 2)
# Verify that vulnerabilities are included
self.assertIsInstance(response.data["results"]["vulnerabilities"], dict)
package_vulns = set()
for package in response.data["results"]["packages"]:
package_vulns.update(package["affected_by_vulnerabilities"])
package_vulns.update(package["fixing_vulnerabilities"])
self.assertTrue(
all(vuln_id in response.data["results"]["vulnerabilities"] for vuln_id in package_vulns)
)
def test_filter_packages_by_purl(self):
"""
Test filtering packages by one or more PURLs.
"""
url = reverse("package-v2-list")
response = self.client.get(url, {"purl": "pkg:pypi/[email protected]"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["packages"]), 1)
self.assertEqual(response.data["results"]["packages"][0]["purl"], "pkg:pypi/[email protected]")
def test_filter_packages_by_affected_vulnerability(self):
"""
Test filtering packages by affected_by_vulnerability.
"""
url = reverse("package-v2-list")
response = self.client.get(url, {"affected_by_vulnerability": "VCID-1234"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["packages"]), 1)
self.assertEqual(response.data["results"]["packages"][0]["purl"], "pkg:pypi/[email protected]")
def test_filter_packages_by_fixing_vulnerability(self):
"""
Test filtering packages by fixing_vulnerability.
"""
url = reverse("package-v2-list")
response = self.client.get(url, {"fixing_vulnerability": "VCID-5678"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["packages"]), 1)
self.assertEqual(response.data["results"]["packages"][0]["purl"], "pkg:npm/[email protected]")
def test_package_serializer_fields(self):
"""
Test that the PackageV2Serializer returns the correct fields.
"""
package = Package.objects.get(package_url="pkg:pypi/[email protected]")
serializer = PackageV2Serializer(package)
data = serializer.data
self.assertIn("purl", data)
self.assertIn("affected_by_vulnerabilities", data)
self.assertIn("fixing_vulnerabilities", data)
self.assertIn("next_non_vulnerable_version", data)
self.assertIn("latest_non_vulnerable_version", data)
self.assertEqual(data["purl"], "pkg:pypi/[email protected]")
self.assertEqual(data["affected_by_vulnerabilities"], ["VCID-1234"])
self.assertEqual(data["fixing_vulnerabilities"], [])
def test_list_packages_pagination(self):
"""
Test listing packages with pagination.
"""
# Create additional packages to trigger pagination
for i in range(3, 15):
Package.objects.create(
package_url=f"pkg:pypi/package{i}@1.0.{i}",
name=f"package{i}",
version=f"1.0.{i}",
type="pypi",
)
url = reverse("package-v2-list")
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("results", response.data)
self.assertIn("packages", response.data["results"])
self.assertIn("vulnerabilities", response.data["results"])
self.assertIn("next", response.data)
self.assertIn("previous", response.data)
self.assertEqual(
len(response.data["results"]["packages"]), 10
) # Assuming default page size is 10
def test_invalid_vulnerability_filter(self):
"""
Test filtering packages with an invalid vulnerability ID.
Should return an empty list.
"""
url = reverse("package-v2-list")
response = self.client.get(url, {"affected_by_vulnerability": "VCID-9999"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["packages"]), 0)
def test_invalid_purl_filter(self):
"""
Test filtering packages with an invalid PURL.
Should return an empty list.
"""
url = reverse("package-v2-list")
response = self.client.get(url, {"purl": "pkg:nonexistent/[email protected]"}, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(len(response.data["results"]["packages"]), 0)
def test_get_affected_by_vulnerabilities(self):
"""
Test the get_affected_by_vulnerabilities method in the serializer.
"""
package = Package.objects.get(package_url="pkg:pypi/[email protected]")
serializer = PackageV2Serializer()
vulnerabilities = serializer.get_affected_by_vulnerabilities(package)
self.assertEqual(vulnerabilities, ["VCID-1234"])
def test_get_fixing_vulnerabilities(self):
"""
Test the get_fixing_vulnerabilities method in the serializer.
"""
package = Package.objects.get(package_url="pkg:npm/[email protected]")
serializer = PackageV2Serializer()
vulnerabilities = serializer.get_fixing_vulnerabilities(package)
self.assertEqual(vulnerabilities, ["VCID-5678"])
def test_bulk_lookup_with_valid_purls(self):
"""
Test bulk lookup with valid PURLs.
Should return packages and their associated vulnerabilities.
"""
url = reverse("package-v2-bulk-lookup")
data = {"purls": ["pkg:pypi/[email protected]", "pkg:npm/[email protected]"]}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("packages", response.data)
self.assertIn("vulnerabilities", response.data)
self.assertEqual(len(response.data["packages"]), 2)
# Verify that the returned data matches the packages
purls = [package["purl"] for package in response.data["packages"]]
self.assertIn("pkg:pypi/[email protected]", purls)
self.assertIn("pkg:npm/[email protected]", purls)
# Verify that vulnerabilities are included
package_vulns = set()
for package in response.data["packages"]:
package_vulns.update(package["affected_by_vulnerabilities"])
package_vulns.update(package["fixing_vulnerabilities"])
self.assertTrue(
all(vuln_id in response.data["vulnerabilities"] for vuln_id in package_vulns)
)
def test_bulk_lookup_with_invalid_purls(self):
"""
Test bulk lookup with invalid PURLs.
"""
url = reverse("package-v2-bulk-lookup")
data = {"purls": ["pkg:pypi/[email protected]", "pkg:npm/[email protected]"]}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Since the packages don't exist, the response should be empty
self.assertEqual(len(response.data["packages"]), 0)
self.assertEqual(len(response.data["vulnerabilities"]), 0)
def test_bulk_lookup_with_empty_purls(self):
"""
Test bulk lookup with empty purls list.
Should return 400 Bad Request.
"""
url = reverse("package-v2-bulk-lookup")
data = {"purls": []}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertIn("error", response.data)
self.assertIn("message", response.data)
self.assertEqual(response.data["message"], "A non-empty 'purls' list of PURLs is required.")
def test_bulk_search_with_valid_purls(self):
"""
Test bulk search with valid PURLs.
Should return packages and their associated vulnerabilities.
"""
url = reverse("package-v2-bulk-search")
data = {"purls": ["pkg:pypi/[email protected]", "pkg:npm/[email protected]"]}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("packages", response.data)
self.assertIn("vulnerabilities", response.data)
self.assertEqual(len(response.data["packages"]), 2)
purls = [package["purl"] for package in response.data["packages"]]
self.assertIn("pkg:pypi/[email protected]", purls)
self.assertIn("pkg:npm/[email protected]", purls)
# Verify that vulnerabilities are included
package_vulns = set()
for package in response.data["packages"]:
package_vulns.update(package["affected_by_vulnerabilities"])
package_vulns.update(package["fixing_vulnerabilities"])
self.assertTrue(
all(vuln_id in response.data["vulnerabilities"] for vuln_id in package_vulns)
)
def test_bulk_search_with_purl_only_true(self):
"""
Test bulk search with purl_only set to True.
Should return only the PURLs of vulnerable packages.
"""
url = reverse("package-v2-bulk-search")
data = {
"purls": ["pkg:pypi/[email protected]", "pkg:npm/[email protected]"],
"purl_only": True,
}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Since purl_only=True, response should be a list of PURLs
self.assertIsInstance(response.data, list)
# Only vulnerable packages should be included
self.assertEqual(len(response.data), 1)
self.assertEqual(response.data, ["pkg:pypi/[email protected]"])
def test_bulk_search_with_plain_purl_true(self):
"""
Test bulk search with plain_purl set to True.
Should return packages grouped by plain PURLs.
"""
# Create another package with the same name and version but different qualifiers
Package.objects.create(
name="django",
version="3.2",
type="pypi",
qualifiers={"extension": "tar.gz"},
)
url = reverse("package-v2-bulk-search")
data = {
"purls": ["pkg:pypi/[email protected]", "pkg:pypi/[email protected]?extension=tar.gz"],
"plain_purl": True,
}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertIn("packages", response.data)
self.assertIn("vulnerabilities", response.data)
# Since plain_purl=True, packages with the same type, namespace, name, version are grouped
self.assertEqual(len(response.data["packages"]), 1)
purl = response.data["packages"][0]["purl"]
self.assertTrue(purl.startswith("pkg:pypi/[email protected]"))
def test_bulk_search_with_purl_only_and_plain_purl_true(self):
"""
Test bulk search with purl_only and plain_purl both set to True.
Should return only the plain PURLs of vulnerable packages.
"""
url = reverse("package-v2-bulk-search")
data = {
"purls": ["pkg:pypi/[email protected]", "pkg:pypi/[email protected]"],
"purl_only": True,
"plain_purl": True,
}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Response should be a list of plain PURLs
self.assertIsInstance(response.data, list)
# Only one plain PURL should be returned for vulnerable packages
self.assertEqual(len(response.data), 1)
self.assertEqual(response.data, ["pkg:pypi/[email protected]"])
def test_bulk_search_with_invalid_purls(self):
"""
Test bulk search with invalid PURLs.
Should return an empty response.
"""
url = reverse("package-v2-bulk-search")
data = {"purls": ["pkg:pypi/[email protected]", "pkg:npm/[email protected]"]}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Since the packages don't exist, the response should be empty
self.assertEqual(len(response.data["packages"]), 0)
self.assertEqual(len(response.data["vulnerabilities"]), 0)
def test_bulk_search_with_empty_purls(self):
"""
Test bulk search with empty purls list.
Should return 400 Bad Request.
"""
url = reverse("package-v2-bulk-search")
data = {"purls": []}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertIn("error", response.data)
self.assertIn("message", response.data)
self.assertEqual(response.data["message"], "A non-empty 'purls' list of PURLs is required.")
def test_all_vulnerable_packages(self):
"""
Test the 'all' endpoint that returns all vulnerable package URLs.
"""
url = reverse("package-v2-all")
response = self.client.get(url, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# Since package1 is vulnerable, it should be returned
expected_purls = ["pkg:pypi/[email protected]"]
self.assertEqual(sorted(response.data), sorted(expected_purls))
def test_lookup_with_valid_purl(self):
"""
Test the 'lookup' endpoint with a valid PURL.
Should return the package and its associated vulnerabilities.
"""
url = reverse("package-v2-lookup")
data = {"purl": "pkg:pypi/[email protected]"}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
self.assertEqual(1, len(response.data))
self.assertIn("purl", response.data[0])
self.assertIn("affected_by_vulnerabilities", response.data[0])
self.assertIn("fixing_vulnerabilities", response.data[0])
self.assertIn("next_non_vulnerable_version", response.data[0])
self.assertIn("latest_non_vulnerable_version", response.data[0])
self.assertEqual(response.data[0]["purl"], "pkg:pypi/[email protected]")
self.assertEqual(response.data[0]["affected_by_vulnerabilities"], ["VCID-1234"])
self.assertEqual(response.data[0]["fixing_vulnerabilities"], [])
def test_lookup_with_invalid_purl(self):
"""
Test the 'lookup' endpoint with a PURL that does not exist.
Should return empty packages and vulnerabilities.
"""
url = reverse("package-v2-lookup")
data = {"purl": "pkg:pypi/[email protected]"}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# No packages or vulnerabilities should be returned
self.assertEqual(len(response.data), 0)
def test_lookup_with_missing_purl(self):
"""
Test the 'lookup' endpoint without providing a 'purl'.
Should return 400 Bad Request.
"""
url = reverse("package-v2-lookup")
data = {}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_400_BAD_REQUEST)
self.assertIn("error", response.data)
self.assertIn("message", response.data)
self.assertEqual(response.data["message"], "A 'purl' is required.")
def test_lookup_with_invalid_purl_format(self):
"""
Test the 'lookup' endpoint with an invalid PURL format.
Should return empty packages and vulnerabilities.
"""
url = reverse("package-v2-lookup")
data = {"purl": "invalid_purl_format"}
response = self.client.post(url, data, format="json")
self.assertEqual(response.status_code, status.HTTP_200_OK)
# No packages or vulnerabilities should be returned
self.assertEqual(len(response.data), 0)
def test_api_packages_single_with_purl_in_query_num_queries(self):
with self.assertNumQueries(13):
self.client.get(f"/api/v2/packages/?purl={self.package2.purl}", format="json")