Send notification emails on some http errors

atst/routes/errors.py

@@ -12,15 +12,22 @@ from atst.domain.authnid.crl import CRLInvalidException
 from atst.domain.portfolios import PortfolioError
 from atst.utils.flash import formatted_flash as flash
 
+NO_NOTIFY_STATUS_CODES = set([404, 401])
+
 
 def log_error(e):
     error_message = e.message if hasattr(e, "message") else str(e)
     current_app.logger.exception(error_message)
 
 
+def notify(e, message, code):
+    if code not in NO_NOTIFY_STATUS_CODES:
+        current_app.notification_sender.send(message)
+
+
 def handle_error(e, message="Not Found", code=404):
     log_error(e)
-    current_app.notification_sender.send(message)
+    notify(e, message, code)
     return render_template("error.html", message=message), code
 
 
@@ -57,13 +64,9 @@ def make_error_pages(app):
     @app.errorhandler(Exception)
     # pylint: disable=unused-variable
     def exception(e):
-        log_error(e)
         if current_app.debug:
             raise e
-        return (
-            render_template("error.html", message="An Unexpected Error Occurred"),
-            500,
-        )
+        return handle_error(e, message="An Unexpected Error Occurred", code=500)
 
     @app.errorhandler(InvitationError)
     @app.errorhandler(InvitationWrongUserError)

tests/conftest.py

@@ -309,7 +309,7 @@ def mock_logger(app):
     app.logger = real_logger
 
 
-@pytest.fixture(scope="session", autouse=True)
+@pytest.fixture(scope="function", autouse=True)
 def notification_sender(app):
     real_notification_sender = app.notification_sender
     app.notification_sender = FakeNotificationSender()

tests/routes/test_errors.py

@@ -1,5 +1,7 @@
 import pytest
 from flask import url_for
+from copy import copy
+from tests.factories import UserFactory
 
 
 @pytest.fixture
@@ -20,3 +22,16 @@ def test_csrf_error(csrf_enabled_app, client):
     body = response.data.decode()
     assert "Session Expired" in body
     assert "Log in required" in body
+
+
+def test_errors_generate_notifications(app, client, user_session, notification_sender):
+    user_session(UserFactory.create())
+    new_app = copy(app)
+
+    @new_app.route("/throw")
+    def throw():
+        raise ValueError()
+
+    new_app.test_client().get("/throw")
+
+    notification_sender.send.assert_called_once()

tests/utils.py

@@ -42,4 +42,4 @@ class FakeLogger:
             self.extras.append(kwargs["extra"])
 
 
-FakeNotificationSender = Mock(spec=NotificationSender)
+FakeNotificationSender = lambda: Mock(spec=NotificationSender)