improve coverage

src/viralhostrange/viralhostrangedb/tests/test_business_process.py

@@ -9,7 +9,7 @@ from django.test import TestCase
 from django.utils import timezone
 
 from viralhostrangedb import business_process, models
-from viralhostrangedb.business_process import extract_name_and_identifiers, ImportationObserver
+from viralhostrangedb.business_process import extract_name_and_identifiers, ImportationObserver, DataSourceAlteredData
 from viralhostrangedb.tests.test_views_others import ViewTestCase
 
 logger = logging.getLogger(__name__)
@@ -669,6 +669,15 @@ class TestOthers(TestCase):
             self.assertEqual(name, expected_name)
             self.assertDictEqual(identifiers, expected_both_identifier_dict)
 
+    def test_backup_data_source(self):
+        self.assertRaises(
+            AssertionError,
+            business_process.backup_data_source,
+            user=None,
+            data_source=None,
+            altered_data=DataSourceAlteredData.ALL,
+        )
+
 
 class TestNCBIIdentifierStatus(TestCase):
     def test_biopython_ok(self):

src/viralhostrange/viralhostrangedb/tests/test_other.py

+import logging
+
+from django.test import TestCase
+
+from viralhostrangedb import business_process
+
+logger = logging.getLogger(__name__)
+
+
+class OnlyForCoverage(TestCase):
+
+    def test_ImportationObserver(self):
+        class MyImportationObserver(business_process.ImportationObserver):
+            def notify_host_error(self, *args, **kwargs):
+                super().notify_host_error(*args, **kwargs)
+
+            def notify_virus_error(self, *args, **kwargs):
+                super().notify_virus_error(*args, **kwargs)
+
+        MyImportationObserver().notify_host_error(None, None)
+        MyImportationObserver().notify_virus_error(None, None)