Notification settings defaults and validation (#361)

* Re #360 - Validate that when a notification URL is set, we have also a notification body and title, new install should have notification title/body defaults set.

changedetectionio/tests/test_notification.py

@@ -4,6 +4,7 @@ import re
 from flask import url_for
 from . util import set_original_response, set_modified_response, live_server_setup
 import logging
+from changedetectionio.notification import default_notification_body, default_notification_title
 
 # Hard to just add more live server URLs when one test is already running (I think)
 # So we add our test here (was in a different file)
@@ -15,6 +16,11 @@ def test_check_notification(client, live_server):
     # Give the endpoint time to spin up
     time.sleep(3)
 
+    # Re 360 - new install should have defaults set
+    res = client.get(url_for("settings_page"))
+    assert default_notification_body.encode() in res.data
+    assert default_notification_title.encode() in res.data
+
     # When test mode is in BASE_URL env mode, we should see this already configured
     env_base_url = os.getenv('BASE_URL', '').strip()
     if len(env_base_url):
@@ -201,3 +207,21 @@ def test_check_notification(client, live_server):
     )
 
     assert bytes("is not a valid token".encode('utf-8')) in res.data
+
+    # Re #360 some validation
+    res = client.post(
+        url_for("edit_page", uuid="first"),
+        data={"notification_urls": notification_url,
+              "notification_title": "",
+              "notification_body": "",
+              "notification_format": "Text",
+              "url": test_url,
+              "tag": "my tag",
+              "title": "my title",
+              "headers": "",
+              "fetch_backend": "html_requests",
+              "trigger_check": "y"},
+        follow_redirects=True
+    )
+    assert b"Notification Body and Title is required when a Notification URL is used" in res.data
+