tests: Avoid plain "assert" and use unittest helper functions

ihatemoney/tests/budget_test.py

@@ -113,7 +113,7 @@ class BudgetTestCase(IhatemoneyTestCase):
             ),
             follow_redirects=True,
         )
-        assert "Create a new project" in resp.data.decode("utf-8")
+        self.assertIn("Create a new project", resp.data.decode("utf-8"))
 
         # A token MUST have a point between payload and signature
         resp = self.client.get("/raclette/join/token.invalid", follow_redirects=True)
@@ -133,12 +133,12 @@ class BudgetTestCase(IhatemoneyTestCase):
         self.client.get(invite_link)
         data = self.client.get("/tartiflette/").data.decode("utf-8")
         # First join is OK
-        assert 'href="/raclette/"' in data
+        self.assertIn('href="/raclette/"', data)
 
         # Second join shouldn't add a double link
         self.client.get(invite_link)
         data = self.client.get("/tartiflette/").data.decode("utf-8")
-        assert data.count('href="/raclette/"') == 1
+        self.assertEqual(data.count('href="/raclette/"'), 1)
 
     def test_invite_code_invalidation(self):
         """Test that invitation link expire after code change"""
@@ -150,7 +150,7 @@ class BudgetTestCase(IhatemoneyTestCase):
         self.client.post("/exit")
         response = self.client.get(link)
         # Link is valid
-        assert response.status_code == 302
+        self.assertEqual(response.status_code, 302)
 
         # Change password to invalidate token
         # Other data are required, but useless for the test
@@ -164,8 +164,8 @@ class BudgetTestCase(IhatemoneyTestCase):
             },
             follow_redirects=True,
         )
-        assert response.status_code == 200
+        self.assertEqual(response.status_code, 200)
-        assert "alert-danger" not in response.data.decode("utf-8")
+        self.assertNotIn("alert-danger", response.data.decode("utf-8"))
 
         self.client.post("/exit")
         response = self.client.get(link, follow_redirects=True)
@@ -942,13 +942,13 @@ class BudgetTestCase(IhatemoneyTestCase):
         resp = self.client.get("/dashboard")
         pattern = re.compile(r"<form id=\"delete-project\" [^>]*?action=\"(.*?)\"")
         match = pattern.search(resp.data.decode("utf-8"))
-        assert match is not None
+        self.assertIsNotNone(match)
-        assert match.group(1) is not None
+        self.assertIsNotNone(match.group(1))
 
         resp = self.client.post(match.group(1))
 
         # project removed
-        assert len(models.Project.query.all()) == 0
+        self.assertEqual(len(models.Project.query.all()), 0)
 
     def test_statistics_page(self):
         self.post_project("raclette")
@@ -1194,7 +1194,7 @@ class BudgetTestCase(IhatemoneyTestCase):
             members[t["receiver"]] += t["amount"]
         balance = self.get_project("raclette").balance
         for m, a in members.items():
-            assert abs(a - balance[m.id]) < 0.01
+            self.assertAlmostEqual(a, balance[m.id], delta=0.01)
         return
 
     def test_settle_zero(self):
@@ -1421,14 +1421,14 @@ class BudgetTestCase(IhatemoneyTestCase):
 
         # First all converted_amount should be the same as amount, with no currency
         for bill in project.get_bills():
-            assert bill.original_currency == CurrencyConverter.no_currency
+            self.assertEqual(bill.original_currency, CurrencyConverter.no_currency)
-            assert bill.amount == bill.converted_amount
+            self.assertEqual(bill.amount, bill.converted_amount)
 
         # Then, switch to EUR, all bills must have been changed to this currency
         project.switch_currency("EUR")
         for bill in project.get_bills():
-            assert bill.original_currency == "EUR"
+            self.assertEqual(bill.original_currency, "EUR")
-            assert bill.amount == bill.converted_amount
+            self.assertEqual(bill.amount, bill.converted_amount)
 
         # Add a bill in EUR, the current default currency
         self.client.post(
@@ -1443,13 +1443,13 @@ class BudgetTestCase(IhatemoneyTestCase):
             },
         )
         last_bill = project.get_bills().first()
-        assert last_bill.converted_amount == last_bill.amount
+        self.assertEqual(last_bill.converted_amount, last_bill.amount)
 
         # Erase all currencies
         project.switch_currency(CurrencyConverter.no_currency)
         for bill in project.get_bills():
-            assert bill.original_currency == CurrencyConverter.no_currency
+            self.assertEqual(bill.original_currency, CurrencyConverter.no_currency)
-            assert bill.amount == bill.converted_amount
+            self.assertEqual(bill.amount, bill.converted_amount)
 
         # Let's go back to EUR to test conversion
         project.switch_currency("EUR")
@@ -1469,16 +1469,16 @@ class BudgetTestCase(IhatemoneyTestCase):
         expected_amount = self.converter.exchange_currency(
             last_bill.amount, "CAD", "EUR"
         )
-        assert last_bill.converted_amount == expected_amount
+        self.assertEqual(last_bill.converted_amount, expected_amount)
 
         # Switch to USD. Now, NO bill should be in USD, since they already had a currency
         project.switch_currency("USD")
         for bill in project.get_bills():
-            assert bill.original_currency != "USD"
+            self.assertNotEqual(bill.original_currency, "USD")
             expected_amount = self.converter.exchange_currency(
                 bill.amount, bill.original_currency, "USD"
             )
-            assert bill.converted_amount == expected_amount
+            self.assertEqual(bill.converted_amount, expected_amount)
 
         # Switching back to no currency must fail
         with pytest.raises(ValueError):
@@ -1524,14 +1524,15 @@ class BudgetTestCase(IhatemoneyTestCase):
         project = self.get_project("raclette")
 
         bill = project.get_bills().first()
-        assert bill.converted_amount == self.converter.exchange_currency(
+        self.assertEqual(
-            bill.amount, "EUR", "USD"
+            self.converter.exchange_currency(bill.amount, "EUR", "USD"),
+            bill.converted_amount,
         )
 
         # And switch project to the currency from the bill we created
         project.switch_currency("EUR")
         bill = project.get_bills().first()
-        assert bill.converted_amount == bill.amount
+        self.assertEqual(bill.converted_amount, bill.amount)
 
     def test_currency_switch_to_no_currency(self):
         # Default currency is 'XXX', but we should start from a project with a currency
@@ -1569,8 +1570,9 @@ class BudgetTestCase(IhatemoneyTestCase):
         project = self.get_project("raclette")
 
         for bill in project.get_bills_unordered():
-            assert bill.converted_amount == self.converter.exchange_currency(
+            self.assertEqual(
-                bill.amount, "EUR", "USD"
+                self.converter.exchange_currency(bill.amount, "EUR", "USD"),
+                bill.converted_amount,
             )
 
         # And switch project to no currency: amount should be equal to what was submitted
@@ -1578,7 +1580,7 @@ class BudgetTestCase(IhatemoneyTestCase):
         no_currency_bills = [
             (bill.amount, bill.converted_amount) for bill in project.get_bills()
         ]
-        assert no_currency_bills == [(5.0, 5.0), (10.0, 10.0)]
+        self.assertEqual(no_currency_bills, [(5.0, 5.0), (10.0, 10.0)])
 
     def test_amount_is_null(self):
         self.post_project("raclette")
@@ -1598,11 +1600,11 @@ class BudgetTestCase(IhatemoneyTestCase):
                 "original_currency": "EUR",
             },
         )
-        assert '<p class="alert alert-danger">' in resp.data.decode("utf-8")
+        self.assertIn('<p class="alert alert-danger">', resp.data.decode("utf-8"))
 
         resp = self.client.get("/raclette/")
         # No bills, the previous one was not added
-        assert "No bills" in resp.data.decode("utf-8")
+        self.assertIn("No bills", resp.data.decode("utf-8"))
 
     def test_decimals_on_weighted_members_list(self):
         self.post_project("raclette")
@@ -1645,12 +1647,12 @@ class BudgetTestCase(IhatemoneyTestCase):
                 "original_currency": "EUR",
             },
         )
-        assert '<p class="alert alert-danger">' in resp.data.decode("utf-8")
+        self.assertIn('<p class="alert alert-danger">', resp.data.decode("utf-8"))
 
         # Without any check, the following request will fail.
         resp = self.client.get("/raclette/")
         # No bills, the previous one was not added
-        assert "No bills" in resp.data.decode("utf-8")
+        self.assertIn("No bills", resp.data.decode("utf-8"))
 
 
 if __name__ == "__main__":

ihatemoney/tests/history_test.py

@@ -656,7 +656,7 @@ class HistoryTestCase(IhatemoneyTestCase):
 
         # History should be equal to project creation
         history_list = history.get_history(self.get_project("raclette"))
-        assert len(history_list) == 1
+        self.assertEqual(len(history_list), 1)
 
 
 if __name__ == "__main__":

ihatemoney/tests/main_test.py

@@ -315,7 +315,7 @@ class CaptchaTestCase(IhatemoneyTestCase):
                     "captcha": "éùüß",
                 },
             )
-            assert len(models.Project.query.all()) == 1
+            self.assertEqual(len(models.Project.query.all()), 1)
 
     def test_project_creation_with_captcha(self):
         with self.client as c:
@@ -329,7 +329,7 @@ class CaptchaTestCase(IhatemoneyTestCase):
                     "default_currency": "USD",
                 },
             )
-            assert len(models.Project.query.all()) == 0
+            self.assertEqual(len(models.Project.query.all()), 0)
 
             c.post(
                 "/create",
@@ -342,7 +342,7 @@ class CaptchaTestCase(IhatemoneyTestCase):
                     "captcha": "nope",
                 },
             )
-            assert len(models.Project.query.all()) == 0
+            self.assertEqual(len(models.Project.query.all()), 0)
 
             c.post(
                 "/create",
@@ -355,7 +355,7 @@ class CaptchaTestCase(IhatemoneyTestCase):
                     "captcha": "euro",
                 },
             )
-            assert len(models.Project.query.all()) == 1
+            self.assertEqual(len(models.Project.query.all()), 1)
 
     def test_api_project_creation_does_not_need_captcha(self):
         self.client.get("/")
@@ -369,7 +369,7 @@ class CaptchaTestCase(IhatemoneyTestCase):
             },
         )
         self.assertTrue(resp.status, 201)
-        assert len(models.Project.query.all()) == 1
+        self.assertEqual(len(models.Project.query.all()), 1)
 
 
 class TestCurrencyConverter(unittest.TestCase):