Validate International phone numbers

- uses new utils methods to validate phone numbers
- defaults to International=True on validation. This ensures the validator works on all numbers
- Then check if the user can send this message to the number internationally if needed.

tests/app/notifications/rest/test_send_notification.py

@@ -20,8 +20,8 @@ from tests.app.conftest import (
     sample_email_template as create_sample_email_template,
     sample_template as create_sample_template,
     sample_service_whitelist as create_sample_service_whitelist,
-    sample_api_key as create_sample_api_key
-)
+    sample_api_key as create_sample_api_key,
+    sample_service)
 
 from app.models import Template
 from app.errors import InvalidRequest
@@ -1046,3 +1046,81 @@ def test_send_notification_uses_priority_queue_when_template_is_marked_as_priori
 
     assert response.status_code == 201
     mocked.assert_called_once_with([notification_id], queue='priority')
+
+
+def test_should_allow_store_original_number_on_sms_notification(notify_api, sample_template, mocker):
+    with notify_api.test_request_context():
+        with notify_api.test_client() as client:
+            mocked = mocker.patch('app.celery.provider_tasks.deliver_sms.apply_async')
+            mocker.patch('app.encryption.encrypt', return_value="something_encrypted")
+
+            data = {
+                'to': '+(44) 7700-900 855',
+                'template': str(sample_template.id)
+            }
+
+            auth_header = create_authorization_header(service_id=sample_template.service_id)
+
+            response = client.post(
+                path='/notifications/sms',
+                data=json.dumps(data),
+                headers=[('Content-Type', 'application/json'), auth_header])
+
+            response_data = json.loads(response.data)['data']
+            notification_id = response_data['notification']['id']
+
+            mocked.assert_called_once_with([notification_id], queue='send-sms')
+            assert response.status_code == 201
+            assert notification_id
+            notifications = Notification.query.all()
+            assert len(notifications) == 1
+            assert '+(44) 7700-900 855' == notifications[0].to
+
+
+def test_should_not_allow_international_number_on_sms_notification(notify_api, sample_template, mocker):
+    with notify_api.test_request_context():
+        with notify_api.test_client() as client:
+            mocked = mocker.patch('app.celery.provider_tasks.deliver_sms.apply_async')
+            mocker.patch('app.encryption.encrypt', return_value="something_encrypted")
+
+            data = {
+                'to': '20-12-1234-1234',
+                'template': str(sample_template.id)
+            }
+
+            auth_header = create_authorization_header(service_id=sample_template.service_id)
+
+            response = client.post(
+                path='/notifications/sms',
+                data=json.dumps(data),
+                headers=[('Content-Type', 'application/json'), auth_header])
+
+            assert not mocked.called
+            assert response.status_code == 400
+            error_json = json.loads(response.get_data(as_text=True))
+            assert error_json['result'] == 'error'
+            assert error_json['message']['to'][0] == 'Cannot send to international mobile numbers'
+
+
+def test_should_allow_international_number_on_sms_notification(notify_api, notify_db, notify_db_session, mocker):
+    with notify_api.test_request_context():
+        with notify_api.test_client() as client:
+            mocker.patch('app.celery.provider_tasks.deliver_sms.apply_async')
+            mocker.patch('app.encryption.encrypt', return_value="something_encrypted")
+
+            service = sample_service(notify_db, notify_db_session, can_send_international_sms=True)
+            template = create_sample_template(notify_db, notify_db_session, service=service)
+
+            data = {
+                'to': '20-12-1234-1234',
+                'template': str(template.id)
+            }
+
+            auth_header = create_authorization_header(service_id=service.id)
+
+            response = client.post(
+                path='/notifications/sms',
+                data=json.dumps(data),
+                headers=[('Content-Type', 'application/json'), auth_header])
+
+            assert response.status_code == 201