Use reverse to get Build URL

- Add test cases to Build

InvenTree/build/tests.py

@@ -1,6 +1,59 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-# from django.test import TestCase
+from django.test import TestCase
+
+from .models import Build
+from part.models import Part
 
 # Create your tests here.
+
+
+class BuildTestSimple(TestCase):
+
+    def setUp(self):
+        part = Part.objects.create(name='Test part',
+                                   description='Simple description')
+        Build.objects.create(part=part,
+                             batch='B1',
+                             status=Build.PENDING,
+                             title='Building 7 parts',
+                             quantity=7,
+                             notes='Some simple notes')
+
+        Build.objects.create(part=part,
+                             batch='B2',
+                             status=Build.COMPLETE,
+                             title='Building 21 parts',
+                             quantity=21,
+                             notes='Some simple notes')
+
+    def test_build_objects(self):
+        # Ensure the Build objects were correctly created
+        self.assertEqual(Build.objects.count(), 2)
+        b = Build.objects.get(pk=2)
+        self.assertEqual(b.batch, 'B2')
+        self.assertEqual(b.quantity, 21)
+
+    def test_url(self):
+        b1 = Build.objects.get(pk=1)
+        self.assertEqual(b1.get_absolute_url(), '/build/1/')
+
+    def test_is_complete(self):
+        b1 = Build.objects.get(pk=1)
+        b2 = Build.objects.get(pk=2)
+
+        self.assertEqual(b1.is_complete, False)
+        self.assertEqual(b2.is_complete, True)
+
+    def test_is_active(self):
+        b1 = Build.objects.get(pk=1)
+        b2 = Build.objects.get(pk=2)
+
+        self.assertEqual(b1.is_active, True)
+        self.assertEqual(b2.is_active, False)
+
+    def test_required_parts(self):
+        # TODO - Generate BOM for test part
+        pass
+