Adds unit testing for order overdue status

InvenTree/order/models.py

@@ -272,6 +272,7 @@ class PurchaseOrder(Order):
             self.complete_date = datetime.now().date()
             self.save()
 
+    @property
     def is_overdue(self):
         """
         Returns True if this PurchaseOrder is "overdue"

InvenTree/order/test_sales_order.py

@@ -5,6 +5,8 @@ from django.test import TestCase
 from django.core.exceptions import ValidationError
 from django.db.utils import IntegrityError
 
+from datetime import datetime, timedelta
+
 from company.models import Company
 from stock.models import StockItem
 from order.models import SalesOrder, SalesOrderLineItem, SalesOrderAllocation
@@ -40,6 +42,26 @@ class SalesOrderTest(TestCase):
         # Create a line item
         self.line = SalesOrderLineItem.objects.create(quantity=50, order=self.order, part=self.part)
 
+    def test_overdue(self):
+        """
+        Tests for overdue functionality
+        """
+
+        today = datetime.now().date()
+
+        # By default, order is *not* overdue as the target date is not set
+        self.assertFalse(self.order.is_overdue)
+
+        # Set target date in the past
+        self.order.target_date = today - timedelta(days=5)
+        self.order.save()
+        self.assertTrue(self.order.is_overdue)
+
+        # Set target date in the future
+        self.order.target_date = today + timedelta(days=5)
+        self.order.save()
+        self.assertFalse(self.order.is_overdue)
+
     def test_empty_order(self):
         self.assertEqual(self.line.quantity, 50)
         self.assertEqual(self.line.allocated_quantity(), 0)

InvenTree/order/tests.py

@@ -1,3 +1,7 @@
+# -*- coding: utf-8 -*-
+
+from datetime import datetime, timedelta
+
 from django.test import TestCase
 import django.core.exceptions as django_exceptions
 
@@ -37,6 +41,24 @@ class OrderTest(TestCase):
 
         self.assertEqual(str(line), "100 x ACME0001 from ACME (for PO0001 - ACME)")
 
+    def test_overdue(self):
+        """
+        Test overdue status functionality
+        """
+
+        today = datetime.now().date()
+
+        order = PurchaseOrder.objects.get(pk=1)
+        self.assertFalse(order.is_overdue)
+
+        order.target_date = today - timedelta(days=5)
+        order.save()
+        self.assertTrue(order.is_overdue)
+
+        order.target_date = today + timedelta(days=1)
+        order.save()
+        self.assertFalse(order.is_overdue)
+
     def test_increment(self):
 
         next_ref = PurchaseOrder.getNextOrderNumber()