diff --git a/ihatemoney/tests/main_test.py b/ihatemoney/tests/main_test.py
index 9707bd8a..73b8b314 100644
--- a/ihatemoney/tests/main_test.py
+++ b/ihatemoney/tests/main_test.py
@@ -108,6 +108,63 @@ class CommandTestCase(BaseTestCase):
 
 
 class ModelsTestCase(IhatemoneyTestCase):
+    def test_weighted_bills(self):
+        """Test the SQL request that fetch all bills and weights"""
+        self.post_project("raclette")
+
+        # add members
+        self.client.post("/raclette/members/add", data={"name": "zorglub", "weight": 2})
+        self.client.post("/raclette/members/add", data={"name": "fred"})
+        self.client.post("/raclette/members/add", data={"name": "tata"})
+        # Add a member with a balance=0 :
+        self.client.post("/raclette/members/add", data={"name": "pépé"})
+
+        # create bills
+        self.client.post(
+            "/raclette/add",
+            data={
+                "date": "2011-08-10",
+                "what": "fromage à raclette",
+                "payer": 1,
+                "payed_for": [1, 2, 3],
+                "amount": "10.0",
+            },
+        )
+
+        self.client.post(
+            "/raclette/add",
+            data={
+                "date": "2011-08-10",
+                "what": "red wine",
+                "payer": 2,
+                "payed_for": [1],
+                "amount": "20",
+            },
+        )
+
+        self.client.post(
+            "/raclette/add",
+            data={
+                "date": "2011-08-10",
+                "what": "delicatessen",
+                "payer": 1,
+                "payed_for": [1, 2],
+                "amount": "10",
+            },
+        )
+        project = models.Project.query.get_by_name(name="raclette")
+        for (weight, bill) in project.get_bill_weights().all():
+            if bill.what == "red wine":
+                pay_each_expected = 20 / 2
+                self.assertEqual(bill.amount / weight, pay_each_expected)
+            if bill.what == "fromage à raclette":
+                pay_each_expected = 10 / 4
+                self.assertEqual(bill.amount / weight, pay_each_expected)
+            if bill.what == "delicatessen":
+                pay_each_expected = 10 / 3
+                self.assertEqual(bill.amount / weight, pay_each_expected)
+
+
     def test_bill_pay_each(self):
 
         self.post_project("raclette")