Add test for Alpine data migration

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/tests/test_data_migrations.py

@@ -19,6 +19,7 @@
 from vulnerabilities.importer import AdvisoryData
 from vulnerabilities.importer import AffectedPackage
 from vulnerabilities.importer import Reference
+from vulnerabilities.utils import purl_to_dict
 
 
 class TestMigrations(TestCase):
@@ -922,3 +923,32 @@ def test_update_pysec_created_by_field(self):
             == 0
         )
         assert adv.filter(created_by="alpine_linux_importer").count() == 1
+
+
+class TestFixAlpinePURLCreatedByField(TestMigrations):
+    app_name = "vulnerabilities"
+    migrate_from = "0087_update_alpine_advisory_created_by"
+    migrate_to = "0088_fix_alpine_purl_type"
+
+    def setUpBeforeMigration(self, apps):
+        Package = apps.get_model("vulnerabilities", "Package")
+        purl = str(
+            PackageURL(
+                type="alpine",
+                namespace="",
+                name="curl",
+                version="7.83.0-r0",
+                qualifiers="arch=x86",
+            )
+        )
+        package1 = Package.objects.create(
+            **purl_to_dict(purl=purl), package_url=purl, plain_package_url=purl
+        )
+
+    def test_fix_alpine_purl(self):
+        Package = apps.get_model("vulnerabilities", "Package")
+        package = Package.objects.all()
+        print(package)
+
+        assert package.filter(type="alpine").count() == 0
+        assert package.filter(type="apk").count() == 1