Test invalid older_than, template_types, and bad ids

Come up with some simple tests in the routes, just to see we get
back what we expect as errors.

app/dao/notifications_dao.py

@@ -8,7 +8,7 @@ from itertools import groupby
 
 from flask import current_app
 from werkzeug.datastructures import MultiDict
-from sqlalchemy import (desc, func, or_, and_, asc, cast, Text)
+from sqlalchemy import (desc, func, or_, and_, asc)
 from sqlalchemy.orm import joinedload
 
 from app import db, create_uuid

app/v2/notifications/get_notifications.py

@@ -1,5 +1,4 @@
 from flask import jsonify, request, url_for
-
 from app import api_user
 from app.dao import notifications_dao
 from app.schema_validation import validate

tests/app/v2/notifications/test_get_notifications.py

@@ -60,6 +60,44 @@ def test_get_notification_by_id_returns_200(
     assert json_response == expected_response
 
 
+def test_get_notification_by_id_nonexistent_id(client, sample_notification):
+    auth_header = create_authorization_header(service_id=sample_notification.service_id)
+    response = client.get(
+        path='/v2/notifications/dd4b8b9d-d414-4a83-9256-580046bf18f9',
+        headers=[('Content-Type', 'application/json'), auth_header])
+
+    assert response.status_code == 404
+    assert response.headers['Content-type'] == 'application/json'
+
+    json_response = json.loads(response.get_data(as_text=True))
+    assert json_response == {
+        "errors": [
+            {
+                "error": "NoResultFound",
+                "message": "No result found"
+            }
+        ],
+        "status_code": 404
+    }
+
+
+def test_get_notification_by_id_invalid_id(client, sample_notification):
+    auth_header = create_authorization_header(service_id=sample_notification.service_id)
+    response = client.get(
+        path='/v2/notifications/1234-badly-formatted-id-7890',
+        headers=[('Content-Type', 'application/json'), auth_header])
+
+    assert response.status_code == 404
+    assert response.headers['Content-type'] == 'application/json'
+
+    json_response = json.loads(response.get_data(as_text=True))
+    assert json_response == {
+        "message": "The requested URL was not found on the server.  "
+                   "If you entered the URL manually please check your spelling and try again.",
+        "result": "error"
+    }
+
+
 def test_get_all_notifications_returns_200(client, notify_db, notify_db_session):
     notifications = [create_sample_notification(notify_db, notify_db_session) for _ in range(2)]
     notification = notifications[-1]
@@ -88,7 +126,7 @@ def test_get_all_notifications_returns_200(client, notify_db, notify_db_session)
     assert json_response['notifications'][0]['type'] == "sms"
 
 
-def test_get_all_notifications_no_notifications_if_no_notificatons(client, sample_service):
+def test_get_all_notifications_no_notifications_if_no_notifications(client, sample_service):
     auth_header = create_authorization_header(service_id=sample_service.id)
     response = client.get(
         path='/v2/notifications',
@@ -135,6 +173,22 @@ def test_get_all_notifications_filter_by_template_type(client, notify_db, notify
     assert json_response['notifications'][0]['type'] == "email"
 
 
+def test_get_all_notifications_filter_by_template_type_invalid_template_type(client, sample_notification):
+    auth_header = create_authorization_header(service_id=sample_notification.service_id)
+    response = client.get(
+        path='/v2/notifications?template_type=orange',
+        headers=[('Content-Type', 'application/json'), auth_header])
+
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert response.status_code == 400
+    assert response.headers['Content-type'] == "application/json"
+
+    assert json_response['status_code'] == 400
+    assert len(json_response['errors']) == 1
+    assert json_response['errors'][0]['message'] == "orange is not one of [sms, email, letter]"
+
+
 def test_get_all_notifications_filter_by_single_status(client, notify_db, notify_db_session):
     notification = create_sample_notification(notify_db, notify_db_session, status="pending")
     create_sample_notification(notify_db, notify_db_session)
@@ -156,11 +210,8 @@ def test_get_all_notifications_filter_by_single_status(client, notify_db, notify
     assert json_response['notifications'][0]['status'] == "pending"
 
 
-def test_get_all_notifications_filter_by_status_invalid_status(client, notify_db, notify_db_session):
-    notification = create_sample_notification(notify_db, notify_db_session, status="pending")
-    create_sample_notification(notify_db, notify_db_session)
-
-    auth_header = create_authorization_header(service_id=notification.service_id)
+def test_get_all_notifications_filter_by_status_invalid_status(client, sample_notification):
+    auth_header = create_authorization_header(service_id=sample_notification.service_id)
     response = client.get(
         path='/v2/notifications?status=elephant',
         headers=[('Content-Type', 'application/json'), auth_header])
@@ -250,6 +301,19 @@ def test_get_all_notifications_filter_by_id(client, notify_db, notify_db_session
     assert json_response['notifications'][0]['id'] == str(older_notification.id)
 
 
+def test_get_all_notifications_filter_by_id_invalid_id(client, sample_notification):
+    auth_header = create_authorization_header(service_id=sample_notification.service_id)
+    response = client.get(
+        path='/v2/notifications?older_than=1234-badly-formatted-id-7890',
+        headers=[('Content-Type', 'application/json'), auth_header])
+
+    json_response = json.loads(response.get_data(as_text=True))
+
+    assert json_response['status_code'] == 400
+    assert len(json_response['errors']) == 1
+    assert json_response['errors'][0]['message'] == "older_than is not a valid UUID"
+
+
 def test_get_all_notifications_filter_by_id_no_notifications_if_nonexistent_id(client, notify_db, notify_db_session):
     notification = create_sample_notification(notify_db, notify_db_session)