1 files changed, 35 insertions, 0 deletions
diff --git a/archaeological_warehouse/tests.py b/archaeological_warehouse/tests.py
index 37c342ef7..a342dc1f9 100644
--- a/archaeological_warehouse/tests.py
+++ b/archaeological_warehouse/tests.py
@@ -683,3 +683,38 @@ class ContainerTest(FindInit, TestCase):
         container = models.Container.objects.get(pk=container.pk)
         self.assertEqual(container.x, 33)
 
+    def test_external_id(self):
+        ct = models.ContainerType.objects.all()[0]
+        container_1 = models.Container.objects.create(
+            reference="Test", responsible=self.main_warehouse,
+            location=self.main_warehouse,
+            container_type=ct
+        )
+        container_2 = models.Container.objects.create(
+            reference="Test 2", responsible=self.main_warehouse,
+            parent=container_1,
+            location=self.main_warehouse,
+            container_type=ct
+        )
+        container_3 = models.Container.objects.create(
+            reference="Test 3", responsible=self.main_warehouse,
+            parent=container_2,
+            location=self.main_warehouse,
+            container_type=ct
+        )
+        self.assertEqual(
+            container_1.external_id,
+            "{}-{}-{}".format(
+                self.main_warehouse.external_id, ct.txt_idx,
+                container_1.reference))
+        self.assertEqual(
+            container_2.external_id,
+            "{}-{}-{}".format(
+                container_1.external_id, ct.txt_idx,
+                container_2.reference))
+        self.assertEqual(
+            container_3.external_id,
+            "{}-{}-{}".format(
+                container_2.external_id, ct.txt_idx,
+                container_3.reference))
+