Adds tests for recent import average time

bookwyrm/tests/views/imports/test_import.py

@@ -1,4 +1,5 @@
 """ test for app action functionality """
+import datetime
 import pathlib
 from unittest.mock import patch
 
@@ -106,3 +107,45 @@ class ImportViews(TestCase):
         with patch("bookwyrm.models.import_job.import_item_task.delay") as mock:
             views.retry_item(request, job.id, item.id)
         self.assertEqual(mock.call_count, 1)
+
+    def test_get_average_import_time_no_imports(self):
+        """Give people a sense of the timing"""
+        result = views.imports.import_data.get_average_import_time()
+        self.assertIsNone(result)
+
+    def test_get_average_import_time_no_imports_this_week(self):
+        """Give people a sense of the timing"""
+        models.ImportJob.objects.create(
+            user=self.local_user,
+            created_date=datetime.datetime(2000, 1, 1),
+            updated_date=datetime.datetime(2001, 1, 1),
+            status="complete",
+            complete=True,
+            mappings={},
+        )
+        result = views.imports.import_data.get_average_import_time()
+        self.assertIsNone(result)
+
+    def test_get_average_import_time_with_data(self):
+        """Now, with data"""
+        now = datetime.datetime.now()
+        two_hours_ago = now - datetime.timedelta(hours=2)
+        four_hours_ago = now - datetime.timedelta(hours=4)
+        models.ImportJob.objects.create(
+            user=self.local_user,
+            created_date=two_hours_ago,
+            updated_date=now,
+            status="complete",
+            complete=True,
+            mappings={},
+        )
+        models.ImportJob.objects.create(
+            user=self.local_user,
+            created_date=four_hours_ago,
+            updated_date=now,
+            status="complete",
+            complete=True,
+            mappings={},
+        )
+        result = views.imports.import_data.get_average_import_time()
+        self.assertEqual(result, 3 * 60 * 60)

bookwyrm/views/imports/import_data.py

@@ -44,11 +44,7 @@ class Import(View):
             ),
         }
 
-        seconds = get_or_set(
-            "avg-import-time",
-            get_average_import_time,
-            timeout=86400
-        )
+        seconds = get_or_set("avg-import-time", get_average_import_time, timeout=86400)
         if seconds > 60**2:
             data["recent_avg_hours"] = seconds / (60**2)
         elif seconds:
@@ -98,9 +94,7 @@ def get_average_import_time() -> float:
     """Helper to figure out how long imports are taking (returns seconds)"""
     last_week = timezone.now() - datetime.timedelta(days=7)
     recent_avg = (
-        models.ImportJob.objects.filter(
-            created_date__gte=last_week, status="complete"
-        )
+        models.ImportJob.objects.filter(created_date__gte=last_week, status="complete")
         .annotate(
             runtime=ExpressionWrapper(
                 F("updated_date") - F("created_date"),