| Class | MockBug | A bug which has only the attributes get_email_notifications() needs. |
| Class | ExceptionBug | A bug which causes an exception to be raised. |
| Class | DBExceptionBug | A bug which causes a DB constraint to be triggered. |
| Class | MockBugNotificationRecipient | A mock BugNotificationRecipient for testing. |
| Class | MockBugNotification | A mock BugNotification used for testing. |
| Class | FakeNotification | An even simpler fake notification. |
| Class | FakeBugNotificationSetUtility | A notification utility used for testing. |
| Class | MockBugActivity | A mock BugActivity used for testing. |
| Class | TestGetActivityKey | Tests for get_activity_key(). |
| Class | TestGetEmailNotifications | Tests for the exception handling in get_email_notifications(). |
| Class | TestNotificationCommentBatches | Tests of notification_comment_batches. |
| Class | TestNotificationBatches | Tests of notification_batches. |
| Class | EmailNotificationTestBase | Undocumented |
| Class | EmailNotificationsBugMixin | Undocumented |
| Class | EmailNotificationsBugNotRequiredMixin | Undocumented |
| Class | EmailNotificationsBugTaskMixin | Undocumented |
| Class | EmailNotificationsAddedRemovedMixin | Undocumented |
| Class | TestEmailNotificationsBugTitle | Undocumented |
| Class | TestEmailNotificationsBugTags | Undocumented |
| Class | TestEmailNotificationsBugDuplicate | Undocumented |
| Class | TestEmailNotificationsBugTaskStatus | Undocumented |
| Class | TestEmailNotificationsBugWatch | Undocumented |
| Class | TestEmailNotificationsBranch | Undocumented |
| Class | TestEmailNotificationsCVE | Undocumented |
| Class | TestEmailNotificationsAttachments | Undocumented |
| Class | TestEmailNotificationsWithFilters | Ensure outgoing mails have corresponding headers, accounting for mutes. |
| Function | fetch_notifications | Undocumented |
| Class | TestEmailNotificationsWithFiltersWhenBugCreated | Undocumented |
| Class | TestManageNotificationsMessage | Undocumented |
| Class | TestNotificationSignatureSeparator | Undocumented |
| Class | TestExpandedNotificationFooters | Undocumented |
| Class | TestDeferredNotifications | Undocumented |
| Class | BrokenMailer | A mailer that raises an exception for certain recipient addresses. |
| Class | TestSendBugNotifications | Undocumented |