Add tests

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/tests/test_importer_specific_improver.py

@@ -0,0 +1,31 @@
+#
+# 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/nexB/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+import datetime
+
+import pytest
+
+from vulnerabilities.importers.nvd import NVDImporter
+from vulnerabilities.improve_runner import ImproveRunner
+from vulnerabilities.improvers.importer_specific_improver import NVDImprover
+from vulnerabilities.models import Advisory
+from vulnerabilities.models import Alias
+
+
+@pytest.mark.django_db
+def test_improvement_of_importer_specific_advisories():
+    Advisory.objects.create(
+        aliases=["CVE-2021-22"],
+        summary="TEST",
+        created_by=NVDImporter.qualified_name,
+        date_collected=datetime.datetime.now(tz=datetime.timezone.utc),
+    )
+    ImproveRunner(NVDImprover).run()
+    alias = Alias.objects.filter(alias="CVE-2021-22").first()
+    assert alias is not None