Add some unit testing for the SalesOrder model

InvenTree/order/migrations/0032_auto_20200427_0044.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.5 on 2020-04-27 00:44
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0035_auto_20200406_0045'),
+        ('order', '0031_auto_20200426_0612'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='salesorderlineitem',
+            unique_together={('order', 'part')},
+        ),
+    ]

InvenTree/order/models.py

@@ -24,7 +24,7 @@ from stock import models as stock_models
 from company.models import Company, SupplierPart
 
 from InvenTree.fields import RoundingDecimalField
-from InvenTree.helpers import decimal2string, normalize
+from InvenTree.helpers import decimal2string
 from InvenTree.status_codes import PurchaseOrderStatus, SalesOrderStatus, StockStatus
 from InvenTree.models import InvenTreeAttachment
 
@@ -461,6 +461,11 @@ class SalesOrderLineItem(OrderLineItem):
 
     part = models.ForeignKey('part.Part', on_delete=models.SET_NULL, related_name='sales_order_line_items', null=True, help_text=_('Part'), limit_choices_to={'salable': True})
 
+    class Meta:
+        unique_together = [
+            ('order', 'part'),
+        ]
+
     def fulfilled_quantity(self):
         """
         Return the total stock quantity fulfilled against this line item.
@@ -482,6 +487,10 @@ class SalesOrderLineItem(OrderLineItem):
 
     def is_fully_allocated(self):
         """ Return True if this line item is fully allocated """
+
+        if self.order.status == SalesOrderStatus.SHIPPED:
+            return self.fulfilled_quantity() >= self.quantity
+
         return self.allocated_quantity() >= self.quantity
 
     def is_over_allocated(self):
@@ -561,12 +570,8 @@ class SalesOrderAllocation(models.Model):
 
     quantity = RoundingDecimalField(max_digits=15, decimal_places=5, validators=[MinValueValidator(0)], default=1, help_text=_('Enter stock allocation quantity'))
 
-    def get_allocated(self):
-        """ String representation of the allocated quantity """
-        if self.item.serial and self.quantity == 1:
-            return "# {sn}".format(sn=self.item.serial)
-        else:
-            return normalize(self.quantity)
+    def get_serial(self):
+        return self.item.serial
 
     def get_location(self):
         return self.item.location.id if self.item.location else None

InvenTree/order/serializers.py

@@ -170,7 +170,8 @@ class SalesOrderAllocationSerializer(InvenTreeModelSerializer):
 
     location_path = serializers.CharField(source='get_location_path')
     location_id = serializers.IntegerField(source='get_location')
-    allocated = serializers.CharField(source='get_allocated')
+    serial = serializers.CharField(source='get_serial')
+    quantity = serializers.FloatField()
 
     class Meta:
         model = SalesOrderAllocation
@@ -178,7 +179,8 @@ class SalesOrderAllocationSerializer(InvenTreeModelSerializer):
         fields = [
             'pk',
             'line',
-            'allocated',
+            'serial',
+            'quantity',
             'location_id',
             'location_path',
             'item',

InvenTree/order/templates/order/sales_order_detail.html

@@ -62,7 +62,15 @@ function showAllocationSubTable(index, row, element) {
             field: 'allocated',
             title: 'Quantity',
             formatter: function(value, row, index, field) {
-                return renderLink(value, `/stock/item/${row.item}/`);
+                var text = '';
+                
+                if (row.serial != null && row.quantity == 1) {
+                    text = `{% trans "Serial Number" %}: ${row.serial}`;
+                } else {
+                    text = `{% trans "Quantity" %}: ${row.quantity}`;
+                }
+
+                return renderLink(text, `/stock/item/${row.item}/`);
             },
         },
         {
@@ -138,7 +146,7 @@ function showFulfilledSubTable(index, row, element) {
                 field: 'stock',
                 formatter: function(value, row) {
                     var text = '';
-                    if (row.serial) {
+                    if (row.serial && row.quantity == 1) {
                         text = `{% trans "Serial Number" %}: ${row.serial}`;
                     } else {
                         text = `{% trans "Quantity" %}: ${row.quantity}`;

InvenTree/order/test_sales_order.py

@@ -0,0 +1,138 @@
+from django.test import TestCase
+
+from django.core.exceptions import ValidationError
+from django.db.utils import IntegrityError
+
+from company.models import Company
+from stock.models import StockItem
+from order.models import SalesOrder, SalesOrderLineItem, SalesOrderAllocation
+from part.models import Part
+from InvenTree import status_codes as status
+
+
+class SalesOrderTest(TestCase):
+    """
+    Run tests to ensure that the SalesOrder model is working correctly.
+
+    """
+
+    def setUp(self):
+
+        # Create a Company to ship the goods to
+        self.customer = Company.objects.create(name="ABC Co", description="My customer", is_customer=True)
+
+        # Create a Part to ship
+        self.part = Part.objects.create(name='Spanner', salable=True, description='A spanner that I sell')
+
+        # Create some stock!
+        StockItem.objects.create(part=self.part, quantity=100)
+        StockItem.objects.create(part=self.part, quantity=200)
+
+        # Create a SalesOrder to ship against
+        self.order = SalesOrder.objects.create(
+            customer=self.customer,
+            reference='1234',
+            customer_reference='ABC 55555'
+        )
+
+        # Create a line item
+        self.line = SalesOrderLineItem.objects.create(quantity=50, order=self.order, part=self.part)
+
+    def test_empty_order(self):
+        self.assertEqual(self.line.quantity, 50)
+        self.assertEqual(self.line.allocated_quantity(), 0)
+        self.assertEqual(self.line.fulfilled_quantity(), 0)
+        self.assertFalse(self.line.is_fully_allocated())
+        self.assertFalse(self.line.is_over_allocated())
+
+        self.assertTrue(self.order.is_pending)
+        self.assertFalse(self.order.is_fully_allocated())
+
+    def test_add_duplicate_line_item(self):
+        # Adding a duplicate line item to a SalesOrder must throw an error
+        
+        with self.assertRaises(IntegrityError):
+            SalesOrderLineItem.objects.create(order=self.order, part=self.part)
+
+    def allocate_stock(self, full=True):
+        # Allocate stock to the order
+        SalesOrderAllocation.objects.create(
+            line=self.line,
+            item=StockItem.objects.get(pk=1),
+            quantity=25)
+
+        SalesOrderAllocation.objects.create(
+            line=self.line,
+            item=StockItem.objects.get(pk=2),
+            quantity=25 if full else 20
+        )
+
+    def test_allocate_partial(self):
+        # Partially allocate stock
+        self.allocate_stock(False)
+
+        self.assertFalse(self.order.is_fully_allocated())
+        self.assertFalse(self.line.is_fully_allocated())
+        self.assertEqual(self.line.allocated_quantity(), 45)
+        self.assertEqual(self.line.fulfilled_quantity(), 0)
+
+    def test_allocate_full(self):
+        # Fully allocate stock
+        self.allocate_stock(True)
+
+        self.assertTrue(self.order.is_fully_allocated())
+        self.assertTrue(self.line.is_fully_allocated())
+        self.assertEqual(self.line.allocated_quantity(), 50)
+    
+    def test_order_cancel(self):
+        # Allocate line items then cancel the order
+
+        self.allocate_stock(True)
+
+        self.assertEqual(SalesOrderAllocation.objects.count(), 2)
+        self.assertEqual(self.order.status, status.SalesOrderStatus.PENDING)
+
+        self.order.cancel_order()
+        self.assertEqual(SalesOrderAllocation.objects.count(), 0)
+        self.assertEqual(self.order.status, status.SalesOrderStatus.CANCELLED)
+
+        # Now try to ship it - should fail
+        with self.assertRaises(ValidationError):
+            self.order.ship_order(None)
+
+    def test_ship_order(self):
+        # Allocate line items, then ship the order
+
+        # Assert some stuff before we run the test
+        # Initially there are two stock items
+        self.assertEqual(StockItem.objects.count(), 2)
+
+        # Take 25 units from each StockItem
+        self.allocate_stock(True)
+
+        self.assertEqual(SalesOrderAllocation.objects.count(), 2)
+
+        self.order.ship_order(None)
+
+        # There should now be 4 stock items
+        self.assertEqual(StockItem.objects.count(), 4)
+
+        self.assertEqual(StockItem.objects.get(pk=1).quantity, 75)
+        self.assertEqual(StockItem.objects.get(pk=2).quantity, 175)
+        self.assertEqual(StockItem.objects.get(pk=3).quantity, 25)
+        self.assertEqual(StockItem.objects.get(pk=3).quantity, 25)
+    
+        self.assertEqual(StockItem.objects.get(pk=1).sales_order, None)
+        self.assertEqual(StockItem.objects.get(pk=2).sales_order, None)
+        self.assertEqual(StockItem.objects.get(pk=3).sales_order, self.order)
+        self.assertEqual(StockItem.objects.get(pk=4).sales_order, self.order)
+
+        # And no allocations
+        self.assertEqual(SalesOrderAllocation.objects.count(), 0)
+
+        self.assertEqual(self.order.status, status.SalesOrderStatus.SHIPPED)
+        
+        self.assertTrue(self.order.is_fully_allocated())
+        self.assertTrue(self.line.is_fully_allocated())
+        self.assertEqual(self.line.fulfilled_quantity(), 50)
+        self.assertEqual(self.line.allocated_quantity(), 0)