test: skip some tests if mako not installed

also change corresponding tox env to 'nox' to reflect its "bare-bones"
nature and not just a lack of 'db'

tests/email/test_handler.py

@@ -3,6 +3,8 @@
 from unittest import TestCase
 from unittest.mock import patch, MagicMock
 
+import pytest
+
 from wuttjamaican.email import handler as mod
 from wuttjamaican.email import Message
 from wuttjamaican.conf import WuttaConfig
@@ -13,6 +15,11 @@ from wuttjamaican.exc import ConfigurationError
 class TestEmailHandler(TestCase):
 
     def setUp(self):
+        try:
+            import mako
+        except ImportError:
+            pytest.skip("test not relevant without mako")
+
         self.config = WuttaConfig()
         self.app = self.config.get_app()
 

tests/test_app.py

@@ -398,6 +398,11 @@ class TestAppHandler(FileConfigTestCase):
         self.assertIsInstance(auth, AuthHandler)
 
     def test_get_email_handler(self):
+        try:
+            import mako
+        except ImportError:
+            pytest.skip("test not relevant without mako")
+
         from wuttjamaican.email import EmailHandler
 
         mail = self.app.get_email_handler()
@@ -409,7 +414,12 @@ class TestAppHandler(FileConfigTestCase):
         people = self.app.get_people_handler()
         self.assertIsInstance(people, PeopleHandler)
 
-    def test_get_send_email(self):
+    def test_send_email(self):
+        try:
+            import mako
+        except ImportError:
+            pytest.skip("test not relevant without mako")
+
         from wuttjamaican.email import EmailHandler
 
         with patch.object(EmailHandler, 'send_email') as send_email:

tox.ini

@@ -1,12 +1,12 @@
 
 [tox]
-envlist = py38, py39, py310, py311, nodb
+envlist = py38, py39, py310, py311, nox
 
 [testenv]
-extras = db,docs,tests
+extras = db,email,docs,tests
 commands = pytest {posargs}
 
-[testenv:nodb]
+[testenv:nox]
 extras = tests
 
 [testenv:coverage]