Adds unit testing for order overdue status

InvenTree/build/models.py

@@ -225,22 +225,19 @@ class Build(MPTTModel):
         blank=True, help_text=_('Extra build notes')
     )
 
+    @property
     def is_overdue(self):
         """
         Returns true if this build is "overdue":
 
-        - Not completed
-        - Target date is "in the past"
+        Makes use of the OVERDUE_FILTER to avoid code duplication
         """
 
-        # Cannot be deemed overdue if target_date is not set
-        if self.target_date is None:
-            return False
-
-        today = datetime.now().date()
-
-        return self.active and self.target_date < today
+        query = Build.objects.filter(pk=self.pk)
+        query = query.filter(Build.OVERDUE_FILTER)
 
+        return query.exists()
+    
     @property
     def active(self):
         """

InvenTree/build/tests.py

@@ -10,6 +10,7 @@ from rest_framework.test import APITestCase
 from rest_framework import status
 
 import json
+from datetime import datetime, timedelta
 
 from .models import Build
 from stock.models import StockItem
@@ -70,6 +71,24 @@ class BuildTestSimple(TestCase):
 
         self.assertEqual(b2.status, BuildStatus.COMPLETE)
 
+    def test_overdue(self):
+        """
+        Test overdue status functionality
+        """
+
+        today = datetime.now().date()
+
+        build = Build.objects.get(pk=1)
+        self.assertFalse(build.is_overdue)
+
+        build.target_date = today - timedelta(days=1)
+        build.save()
+        self.assertTrue(build.is_overdue)
+
+        build.target_date = today + timedelta(days=80)
+        build.save()
+        self.assertFalse(build.is_overdue)
+
     def test_is_active(self):
         b1 = Build.objects.get(pk=1)
         b2 = Build.objects.get(pk=2)